Buyoun Cho
[Ver 1.0] The code was given by Seunghoon shin, used for hydraulic quadrupedal robot. Buyoun Cho will revise the code for Post-LIGHT (the robot name is not determined yet).
main.cpp
- Committer:
- Lightvalve
- Date:
- 2020-12-16
- Revision:
- 185:f048add669fd
- Parent:
- 184:75bbde569471
- Child:
- 186:bf562c3c80b4
File content as of revision 185:f048add669fd:
//201216-2
#include "mbed.h"
#include "FastPWM.h"
#include "INIT_HW.h"
#include "function_CAN.h"
#include "SPI_EEP_ENC.h"
#include "I2C_AS5510.h"
#include "setting.h"
#include "function_utilities.h"
#include "stm32f4xx_flash.h"
#include "FlashWriter.h"
#include <string>
#include <iostream>
#include <cmath>
using namespace std;
Timer t;
///191008////
// dac & check ///////////////////////////////////////////
DigitalOut check(PC_2);
DigitalOut check_2(PC_3);
AnalogOut dac_1(PA_4);
AnalogOut dac_2(PA_5);
AnalogIn adc1(PC_4); //pressure_1
AnalogIn adc2(PB_0); //pressure_2
AnalogIn adc3(PC_1); //current
// PWM ///////////////////////////////////////////
float dtc_v=0.0f;
float dtc_w=0.0f;
// I2C ///////////////////////////////////////////
I2C i2c(PC_9,PA_8); // SDA, SCL (for K22F)
const int i2c_slave_addr1 = 0x56;
unsigned int value; // 10bit output of reading sensor AS5510
// SPI ///////////////////////////////////////////
SPI eeprom(PB_15, PB_14, PB_13); // EEPROM //(SPI_MOSI, SPI_MISO, SPI_SCK);
DigitalOut eeprom_cs(PB_12);
//FlashWriter writer(6);//2부터 7까지 되는듯 아마 sector
SPI enc(PC_12,PC_11,PC_10);
DigitalOut enc_cs(PD_2);
DigitalOut LED(PA_15);
// UART ///////////////////////////////////////////
Serial pc(PA_9,PA_10); // _ UART
// CAN ///////////////////////////////////////////
CAN can(PB_8, PB_9, 1000000);
CANMessage msg;
void onMsgReceived()
{
CAN_RX_HANDLER();
}
// Variables ///////////////////////////////////////////
State pos;
State vel;
State Vout;
State torq;
State pres_A;
State pres_B;
State cur;
State valve_pos;
State INIT_Vout;
State INIT_Valve_Pos;
State INIT_Pos;
State INIT_torq;
extern int CID_RX_CMD;
extern int CID_RX_REF_POSITION;
extern int CID_RX_REF_VALVE_POS;
extern int CID_RX_REF_PWM;
extern int CID_TX_INFO;
extern int CID_TX_POSITION;
extern int CID_TX_TORQUE;
extern int CID_TX_PRES;
extern int CID_TX_VOUT;
extern int CID_TX_VALVE_POSITION;
// =============================================================================
// =============================================================================
// =============================================================================
/*******************************************************************************
* REFERENCE MODE
******************************************************************************/
enum _REFERENCE_MODE {
MODE_REF_NO_ACT = 0, //0
MODE_REF_DIRECT, //1
MODE_REF_COS_INC, //2
MODE_REF_LINE_INC, //3
MODE_REF_SIN_WAVE, //4
MODE_REF_SQUARE_WAVE, //5
};
/*******************************************************************************
* CONTROL MODE
******************************************************************************/
enum _CONTROL_MODE {
//control mode
MODE_NO_ACT = 0, //0
MODE_VALVE_POSITION_CONTROL, //1
MODE_JOINT_CONTROL, //2
MODE_VALVE_OPEN_LOOP, //3
MODE_JOINT_ADAPTIVE_BACKSTEPPING, //4
MODE_RL, //5
MODE_JOINT_POSITION_PRES_CONTROL_PWM, //6
MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION, //7
MODE_VALVE_POSITION_PRES_CONTROL_LEARNING, //8
MODE_TEST_CURRENT_CONTROL, //9
MODE_TEST_PWM_CONTROL, //10
MODE_CURRENT_CONTROL, //11
MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT, //12
MODE_JOINT_POSITION_PRES_CONTROL_CURRENT, //13
MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING, //14
//utility
MODE_TORQUE_SENSOR_NULLING = 20, //20
MODE_VALVE_NULLING_AND_DEADZONE_SETTING, //21
MODE_FIND_HOME, //22
MODE_VALVE_GAIN_SETTING, //23
MODE_PRESSURE_SENSOR_NULLING, //24
MODE_PRESSURE_SENSOR_CALIB, //25
MODE_ROTARY_FRICTION_TUNING, //26
MODE_DDV_POS_VS_PWM_ID = 30, //30
MODE_DDV_DEADZONE_AND_CENTER, //31
MODE_DDV_POS_VS_FLOWRATE, //32
MODE_SYSTEM_ID, //33
MODE_FREQ_TEST, //34
MODE_SEND_BUFFER, //35
MODE_SEND_OVER, //36
MODE_STEP_TEST, //37
};
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;//8
RCC_OscInitStruct.PLL.PLLN = 180; //180
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
//Error_Handler();
}
/** Activate the Over-Drive mode
*/
if (HAL_PWREx_EnableOverDrive() != HAL_OK) {
//Error_Handler();
}
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
//Error_Handler();
}
}
float u_past[num_array_u_past] = {0.0f};
float x_past[num_array_x_past] = {0.0f};
float x_future[num_array_x_future] = {0.0f};
float f_past[num_array_f_past] = {0.0f};
float f_future[num_array_f_future] = {0.0f};
float input_NN[num_input] = { 0.0f };
const float h1[num_input][16] = {
{-1.5013375282287598f,-2.4517619609832764f,0.12903714179992676f,0.28887537121772766f,-1.6980925798416138f,1.7201522588729858f,-0.17472904920578003f,1.8117555379867554f,-0.41719409823417664f,0.01702839322388172f,-0.025794951245188713f,-1.9491100311279297f,-0.2707951068878174f,-1.0531439781188965f,-0.2571594715118408f,1.4582438468933105f},
{-0.3526858389377594f,-2.1688826084136963f,-0.3927857577800751f,-0.1325455605983734f,-0.6244393587112427f,0.6952093243598938f,-0.4054011106491089f,1.4578801393508911f,-0.15431655943393707f,0.2332724779844284f,-0.6323928833007812f,-1.067729115486145f,0.2314668595790863f,-1.5879257917404175f,-0.20967772603034973f,0.3131011426448822f},
{-0.58154296875f,-1.1726990938186646f,0.36391180753707886f,-0.5567300915718079f,-0.49212661385536194f,0.8783800601959229f,0.2872133255004883f,0.9983036518096924f,-0.18381649255752563f,0.20107638835906982f,-0.053520072251558304f,-1.1781998872756958f,-0.005709860473871231f,-0.6703454852104187f,0.05590221285820007f,0.12711438536643982f},
{-1.0512467622756958f,0.3256222605705261f,0.39742106199264526f,0.03849322348833084f,-0.7964919209480286f,0.4466105103492737f,-0.11584559082984924f,-0.3316028416156769f,0.05495378002524376f,0.2956673800945282f,1.4041612148284912f,-0.5139945149421692f,-0.16739247739315033f,0.2987276017665863f,-0.2961459457874298f,0.9514555931091309f},
{-0.05744419991970062f,2.103177547454834f,-0.0051451027393341064f,-0.12448863685131073f,-0.08427809923887253f,-0.2928526997566223f,0.1294034719467163f,-2.130411148071289f,0.13119284808635712f,0.06524427980184555f,1.6720010042190552f,0.6321855783462524f,-0.07084126025438309f,1.592971920967102f,-0.3865056037902832f,0.11760596185922623f},
{3.555112361907959f,1.7275257110595703f,0.21773302555084229f,-0.32318443059921265f,3.5025413036346436f,-3.543180465698242f,0.16514194011688232f,-1.7323298454284668f,0.23217393457889557f,0.020219240337610245f,-2.3009300231933594f,4.047685146331787f,-0.26752111315727234f,1.3693186044692993f,-0.4132833778858185f,-3.3336987495422363f},
{-1.0877293348312378f,3.9138736724853516f,-0.2501986622810364f,-0.307189404964447f,-1.5099453926086426f,1.1499419212341309f,0.06014183163642883f,-6.1682939529418945f,0.18797971308231354f,0.2755304276943207f,2.5558419227600098f,1.0854759216308594f,-0.1866893470287323f,6.203442573547363f,-0.15618428587913513f,0.8555394411087036f},
{-0.8443594574928284f,1.5847866535186768f,-0.26619744300842285f,-0.08489542454481125f,-1.5553327798843384f,1.077002763748169f,-0.17925891280174255f,-2.874706506729126f,-0.1228489950299263f,0.17542578279972076f,1.1341639757156372f,-0.9218039512634277f,0.3572063446044922f,2.2253241539001465f,0.04303058981895447f,1.2150949239730835f},
{1.853672742843628f,-1.7371110916137695f,0.10248100757598877f,-0.9567055106163025f,0.9686087965965271f,-0.1823621243238449f,-0.07246989011764526f,1.0764187574386597f,-0.39733952283859253f,0.272134393453598f,-2.787163496017456f,-0.4600156545639038f,0.2150629162788391f,-0.4352136254310608f,-0.30555272102355957f,-1.4898728132247925f},
{0.4833950996398926f,-2.706174373626709f,0.18462657928466797f,-0.656234860420227f,0.6101309657096863f,0.1267082542181015f,-0.2990540862083435f,0.27411556243896484f,-0.16785068809986115f,-0.5924927592277527f,-1.7125433683395386f,-1.0376883745193481f,0.35812368988990784f,-0.11151380836963654f,0.3484981060028076f,-0.7358231544494629f},
{0.35992318391799927f,-2.06345534324646f,0.37182438373565674f,-0.07933531701564789f,0.1750181019306183f,-0.045056723058223724f,-0.20339298248291016f,-0.2515711784362793f,-0.5949442386627197f,-0.0718102976679802f,-0.826651394367218f,-0.45050525665283203f,-0.08014928549528122f,0.16992752254009247f,0.26688337326049805f,-0.49146562814712524f},
{-0.31148141622543335f,-1.624603509902954f,-0.40320003032684326f,-0.22531788051128387f,0.38007694482803345f,-0.3033977150917053f,0.1533789038658142f,0.07630462944507599f,-0.27439093589782715f,0.1508544534444809f,-1.2197290658950806f,0.302729994058609f,0.13159756362438202f,-0.04648786410689354f,0.10493969917297363f,-0.3269115388393402f},
{-0.14483091235160828f,-0.5654767751693726f,0.19847965240478516f,0.02085668407380581f,0.406009703874588f,-0.031246501952409744f,-0.2404318004846573f,0.2800968289375305f,-0.2435898631811142f,-0.2157726287841797f,-0.6354538202285767f,-0.06485389173030853f,0.07888802140951157f,-0.1901865154504776f,-0.22268100082874298f,-0.5150110721588135f},
{-0.14671391248703003f,-0.12946704030036926f,0.4127817749977112f,-0.13599200546741486f,-0.11653345078229904f,-0.5706874132156372f,-0.32001304626464844f,-0.09686329215765f,-0.16250349581241608f,-0.22955329716205597f,-0.5090378522872925f,0.17345395684242249f,-0.32617586851119995f,-0.22164183855056763f,0.0479682981967926f,-0.1317754089832306f},
{-0.006373832002282143f,-0.013765837997198105f,0.20282304286956787f,0.12835122644901276f,0.25972050428390503f,-0.4390103220939636f,0.04202890396118164f,0.2521810829639435f,0.25843679904937744f,0.08579712361097336f,-0.028206923976540565f,-0.13998405635356903f,0.09068389981985092f,-0.087684765458107f,0.0668090283870697f,0.2267971634864807f},
{0.03074430674314499f,-0.2839588522911072f,-0.40439701080322266f,0.004032118245959282f,-0.0647670105099678f,-0.62445467710495f,-0.15568238496780396f,-0.10264620184898376f,0.13651113212108612f,-0.0023032622411847115f,-0.20626582205295563f,0.08309732377529144f,-0.2764744758605957f,-0.07723642140626907f,-0.08245879411697388f,0.19340403378009796f},
{-0.13897937536239624f,0.4293367862701416f,0.16706281900405884f,0.2511236369609833f,-0.0360260047018528f,-1.2155207395553589f,-0.041414469480514526f,-0.009588012471795082f,-0.16096723079681396f,0.09314790368080139f,-0.36924511194229126f,-0.021809687837958336f,0.10795029997825623f,0.04084998369216919f,0.29427415132522583f,0.37054234743118286f},
};
const float h2[16][16] = {
{2.9904377460479736f,1.5402922630310059f,-0.06966331601142883f,1.8314383029937744f,-0.21907491981983185f,3.2976598739624023f,0.08332959562540054f,0.0306977778673172f,-0.43008196353912354f,-0.1415480375289917f,0.9023976922035217f,-2.1691060066223145f,0.029989013448357582f,-2.4485414028167725f,-1.6123756170272827f,2.557734966278076f},
{-0.7001262903213501f,-8.917220115661621f,0.057057321071624756f,0.24170854687690735f,-0.35503754019737244f,0.5531149506568909f,-0.33918139338493347f,-0.35795170068740845f,-0.33757925033569336f,0.2895788848400116f,0.6506037712097168f,-0.3345935642719269f,0.23849435150623322f,1.3481338024139404f,2.7143707275390625f,0.8891097903251648f},
{-0.22745239734649658f,0.003037691116333008f,-0.061119019985198975f,0.35696902871131897f,0.05568113923072815f,0.011741191148757935f,-0.20225946605205536f,-0.08465918898582458f,0.3489862382411957f,0.0687277615070343f,0.31964078545570374f,0.3004753887653351f,0.36063823103904724f,-0.42892736196517944f,0.08652284741401672f,0.027493387460708618f},
{0.2285187542438507f,-0.4274887442588806f,-0.2894435524940491f,0.30252909660339355f,0.08946844935417175f,-0.006465560290962458f,-0.24277065694332123f,0.3510231077671051f,0.26211628317832947f,0.2953031361103058f,-0.5008765459060669f,0.13012845814228058f,-0.5136456489562988f,-0.18827885389328003f,0.36753395199775696f,-0.07897623628377914f},
{-0.24988441169261932f,1.5957990884780884f,-0.25313520431518555f,1.7036648988723755f,0.036378175020217896f,-0.28388962149620056f,-0.6038032174110413f,-0.14559465646743774f,-0.024399548768997192f,-0.39465832710266113f,0.8099377155303955f,-1.2887321710586548f,-0.002571243094280362f,-1.853548288345337f,-0.3227944076061249f,0.3012075424194336f},
{0.8380314111709595f,-0.4971805214881897f,-0.3519742488861084f,-0.740526556968689f,-0.3015052080154419f,0.375037282705307f,-0.4975310266017914f,-0.07942328602075577f,-0.23047015070915222f,0.3579089343547821f,0.07477552443742752f,1.3135530948638916f,-0.3267573416233063f,-1.0823695659637451f,0.229822039604187f,1.0299428701400757f},
{-0.1828227937221527f,-0.02554568648338318f,-0.3260969817638397f,0.08422836661338806f,-0.38453540205955505f,-0.25432005524635315f,0.285016268491745f,0.12387624382972717f,-0.0982072651386261f,0.13111665844917297f,-0.03692615032196045f,-0.32796353101730347f,-0.21546880900859833f,0.049302369356155396f,-0.27088475227355957f,-0.4124959409236908f},
{-1.3545688390731812f,-1.0447732210159302f,0.33083590865135193f,-0.20199915766716003f,-0.14358049631118774f,1.0542246103286743f,-0.09043094515800476f,-0.32793861627578735f,0.2600560486316681f,-0.37898191809654236f,-5.086943626403809f,-1.6437846422195435f,-0.3842722475528717f,-1.558564305305481f,0.48578691482543945f,0.7431102395057678f},
{-0.5997751355171204f,0.06545404344797134f,-0.11379697918891907f,0.19934150576591492f,0.041274964809417725f,-0.5937483310699463f,-0.10284432768821716f,-0.053225357085466385f,0.06103590130805969f,-0.38046833872795105f,-0.20522862672805786f,0.07833421975374222f,-0.37024784088134766f,-0.14642119407653809f,-0.11051851511001587f,-0.5731046795845032f},
{-0.06852232664823532f,0.27907681465148926f,-0.13502129912376404f,0.12948918342590332f,0.12987366318702698f,0.11146803945302963f,0.2711336314678192f,-0.3837684988975525f,-0.13619378209114075f,0.16938945651054382f,0.21280349791049957f,0.21443748474121094f,0.3811538517475128f,-0.3556564152240753f,-0.05593288689851761f,-0.18612739443778992f},
{2.167574882507324f,-0.004158955533057451f,0.0457797646522522f,0.05080918222665787f,-0.03321319818496704f,-0.4175998866558075f,0.17873415350914001f,-0.20421427488327026f,-0.050184011459350586f,0.12480869889259338f,-3.878938913345337f,2.3824784755706787f,-0.5021078586578369f,0.023046063259243965f,0.024782415479421616f,-0.6150436401367188f},
{1.8693947792053223f,0.06725507229566574f,0.3954955041408539f,1.4901456832885742f,0.0033026933670043945f,-0.8627937436103821f,-0.3154386579990387f,-0.17812912166118622f,0.3487861454486847f,-0.32520344853401184f,-3.307546377182007f,0.17124055325984955f,-0.021102694794535637f,-1.0729931592941284f,-2.740628719329834f,-3.8175694942474365f},
{-0.2699771523475647f,-0.22843177616596222f,-0.15798500180244446f,0.35002923011779785f,-0.37393757700920105f,0.35887888073921204f,0.11292675137519836f,-0.2947862446308136f,-0.3764709532260895f,0.2424570620059967f,-0.1234259158372879f,-0.2837170362472534f,0.41839322447776794f,0.001794296782463789f,-0.11156021058559418f,0.08838233351707458f},
{0.0045716892927885056f,-6.227348327636719f,-0.2018718123435974f,0.06370087713003159f,0.07545611262321472f,-0.2019440084695816f,-0.401905357837677f,-0.2663668394088745f,-0.24509364366531372f,0.19522181153297424f,-0.8412565588951111f,0.0008838630747050047f,-0.2623816132545471f,0.597851574420929f,-0.4296014904975891f,-1.8780416250228882f},
{0.4138670265674591f,0.1604653298854828f,0.056746453046798706f,0.036025404930114746f,0.3228367865085602f,-0.07083973288536072f,0.018455177545547485f,0.0059362053871154785f,0.40515169501304626f,0.014240056276321411f,-0.07738298177719116f,0.1407785713672638f,-0.13024571537971497f,-0.29546058177948f,-0.11976784467697144f,-0.35825538635253906f},
{0.03103156015276909f,0.03351236879825592f,0.12081471085548401f,-1.5393730401992798f,0.29976895451545715f,-0.4331473410129547f,-0.2200954407453537f,0.250751256942749f,-0.3893685042858124f,-0.02222958207130432f,-0.7266481518745422f,0.2565699517726898f,-0.34486645460128784f,0.7363212704658508f,0.0513840913772583f,-1.2335374355316162f},
};
const float h3[16][16] = {
{-0.36079341173171997f,0.4300960898399353f,-4.198028087615967f,0.30529001355171204f,-0.5199582576751709f,-0.06829618662595749f,0.2094716578722f,0.06202332675457001f,-1.1670433282852173f,-1.4540250301361084f,-0.464933842420578f,0.08796225488185883f,-1.666866660118103f,-0.09771379828453064f,-0.20516280829906464f,-1.8411304950714111f},
{0.047732532024383545f,1.2802321910858154f,-3.3590986728668213f,-0.5026073455810547f,-0.022740207612514496f,-0.3505650460720062f,-0.3198729455471039f,-0.05831786245107651f,0.07969409972429276f,-1.3661189079284668f,0.08256995677947998f,-0.5119935274124146f,-0.8393179774284363f,-0.39945483207702637f,-0.3125830888748169f,0.4156680405139923f},
{0.07903262972831726f,0.2790505588054657f,-0.07798504829406738f,0.04248586297035217f,-0.1963958442211151f,-0.19260792434215546f,-0.4038352966308594f,0.015906542539596558f,0.15353140234947205f,0.030178606510162354f,0.2488909661769867f,0.13805970549583435f,-0.0816211998462677f,-0.20733052492141724f,-0.3036302626132965f,0.054825395345687866f},
{-0.30922991037368774f,-0.3185199499130249f,-2.7229292392730713f,-1.2535021305084229f,-1.6249725818634033f,0.3173057734966278f,0.1972963809967041f,-0.062206726521253586f,-1.2670007944107056f,-0.5182398557662964f,0.08793988078832626f,0.20779775083065033f,-1.3359014987945557f,1.0037248134613037f,0.12933658063411713f,-0.29462137818336487f},
{-0.39607733488082886f,-0.05481579899787903f,0.1976260244846344f,0.022423356771469116f,0.16892847418785095f,-0.27518749237060547f,0.16012099385261536f,0.3626593053340912f,-0.08640444278717041f,-0.11053556203842163f,-0.10529157519340515f,-0.31317979097366333f,-0.1530032455921173f,-0.1336749792098999f,0.22959044575691223f,0.19986507296562195f},
{-0.37449589371681213f,0.9183870553970337f,0.5352826118469238f,-1.1223382949829102f,-0.6919665932655334f,1.0584242343902588f,-0.2134476900100708f,-0.07388485223054886f,-1.9225099086761475f,-0.7340960502624512f,-0.33931517601013184f,-0.0641779974102974f,0.3749484419822693f,0.43214860558509827f,0.34418365359306335f,1.0045311450958252f},
{0.4110594093799591f,0.20865711569786072f,-0.28259456157684326f,0.41885480284690857f,0.18209081888198853f,-0.13307270407676697f,-0.08670487999916077f,-0.25336313247680664f,-0.030661463737487793f,-0.06259563565254211f,-0.1344406008720398f,0.35313835740089417f,0.20507939159870148f,0.06788606196641922f,0.3126353323459625f,-0.28664129972457886f},
{-0.40892091393470764f,0.059060949832201004f,-0.4023245573043823f,0.22033147513866425f,0.3268229067325592f,-0.03595955669879913f,-0.23312048614025116f,-0.390264093875885f,0.28059282898902893f,-0.1559126079082489f,-0.14134526252746582f,-0.0003446042537689209f,-0.2899816036224365f,-0.34944114089012146f,0.09555625170469284f,0.005298197269439697f},
{0.10697010159492493f,-0.12228584289550781f,-0.37870171666145325f,0.21184906363487244f,-0.37222859263420105f,-0.17138728499412537f,-0.1382003128528595f,0.3493293821811676f,-0.360889196395874f,-0.3875247836112976f,0.42142823338508606f,-0.3482915461063385f,-0.3289247751235962f,-0.2186824083328247f,0.09620395302772522f,-0.06898030638694763f},
{0.2847062647342682f,0.018552124500274658f,0.11435768008232117f,0.36562982201576233f,-0.047046810388565063f,0.30447837710380554f,0.2430230677127838f,0.2909286320209503f,-0.2802048921585083f,0.18043199181556702f,0.41849127411842346f,-0.287167489528656f,0.24394884705543518f,-0.14084559679031372f,-0.10168051719665527f,0.010465055704116821f},
{0.15459725260734558f,1.2752927541732788f,-1.6545041799545288f,-0.20037266612052917f,0.39016175270080566f,1.9760658740997314f,-0.08742031455039978f,0.05785742402076721f,-0.05112358555197716f,1.0813504457473755f,-0.362364798784256f,-0.3496132493019104f,-0.5545885562896729f,-0.27296289801597595f,0.23658986389636993f,1.6276973485946655f},
{-0.408692330121994f,-0.44630852341651917f,1.1387239694595337f,0.8076159954071045f,-0.2189072221517563f,0.3286019563674927f,-0.06926552206277847f,0.14518515765666962f,-0.6130588054656982f,2.60966157913208f,-0.6552008390426636f,-0.319575697183609f,-1.5199129581451416f,-0.13730570673942566f,-0.7592024207115173f,1.654757022857666f},
{-0.2991822361946106f,0.3338809609413147f,-0.03855340555310249f,0.07829055190086365f,0.12482636421918869f,0.19699984788894653f,-0.11253207921981812f,0.34576353430747986f,0.04814547300338745f,-0.35770976543426514f,-0.044228196144104004f,-0.36229726672172546f,0.053959451615810394f,-0.17654627561569214f,0.36124154925346375f,-0.12281776964664459f},
{-0.2675279378890991f,0.6107541918754578f,-1.008222222328186f,1.5792343616485596f,-0.6861075162887573f,-3.220947027206421f,-0.32875844836235046f,-0.44406580924987793f,-0.9110980033874512f,0.29485467076301575f,-0.9977014660835266f,-0.638107419013977f,0.47325292229652405f,-0.22768151760101318f,0.2166542261838913f,0.31593501567840576f},
{-0.015470266342163086f,-0.9941576719284058f,0.7507451772689819f,-0.5620654821395874f,0.7716580033302307f,0.430758535861969f,-0.043972477316856384f,-0.16491542756557465f,-0.6689051985740662f,-2.0817174911499023f,0.1916329562664032f,-0.46564021706581116f,1.4392123222351074f,-4.728946208953857f,-0.2524336278438568f,-0.5035194158554077f},
{0.1863725483417511f,0.25948718190193176f,-1.302160620689392f,0.18372789025306702f,-0.15693089365959167f,-1.5854798555374146f,0.04860696196556091f,0.02496984414756298f,-0.3602295517921448f,-1.01317298412323f,-0.2549864649772644f,-0.059077948331832886f,1.666966199874878f,-0.38277119398117065f,-0.1854449361562729f,0.150127574801445f},
};
const float hout[16] = { 0.45773375034332275f,0.28639528155326843f,0.14207343757152557f,-0.2956777513027191f,-0.22413568198680878f,0.1186593621969223f,-0.1435798704624176f,-0.07997605949640274f,-0.06115203723311424f,0.21337322890758514f,0.0535825677216053f,0.046808481216430664f,0.1616642028093338f,0.21228934824466705f,0.2757498025894165f,-0.21836845576763153f };
const float b1[16] = { 0.2102552056312561f,0.6125742197036743f,-1.7145336866378784f,0.43877431750297546f,0.5826082229614258f,0.6864737868309021f,-0.058932315558195114f,3.713123083114624f,0.5071762800216675f,-0.84734046459198f,2.3294942378997803f,1.0448524951934814f,-0.38463300466537476f,-3.6441001892089844f,-1.087764859199524f,0.881416916847229f };
const float b2[16] = { -1.5956038236618042f,0.28981077671051025f,-1.4564176797866821f,-0.5988649725914001f,-0.6939148902893066f,0.2937571704387665f,0.04075077548623085f,-0.36968058347702026f,-1.20063054561615f,-1.912178635597229f,1.3844938278198242f,0.6507935523986816f,-0.18289311230182648f,1.4374712705612183f,1.325400948524475f,0.9660302400588989f };
const float b3[16] = { -1.963319182395935f,-0.3919384479522705f,0.4780821204185486f,0.4793388843536377f,1.0898507833480835f,-0.5794898271560669f,-0.5699690580368042f,-0.9183242321014404f,0.2521483898162842f,0.11304529756307602f,-0.4799327850341797f,-0.41564828157424927f,0.11918739974498749f,0.737025797367096f,-1.3145921230316162f,-1.622807502746582f };
const float bout[1] = { -0.4126623868942261f };
/////////////////////////////////////////////////////////////////////////////////////////////RL
float input_RL[num_input_RL] = { 0.0f };
//Critic Networks
float hc1[num_input_RL][num_hidden_unit1] = {0.0f};
float bc1[num_hidden_unit1] = {0.0f};
float hc2[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float bc2[num_hidden_unit2] = {0.0f};
float hc3[num_hidden_unit2] = {0.0f};
float bc3 = 0.0f;
//Critic Networks Temporary
float hc1_temp[num_input_RL][num_hidden_unit1] = {0.0f};
float bc1_temp[num_hidden_unit1] = {0.0f};
float hc2_temp[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float bc2_temp[num_hidden_unit2] = {0.0f};
float hc3_temp[num_hidden_unit2] = {0.0f};
float bc3_temp = 0.0f;
//Actor Networks
float ha1[num_input_RL][num_hidden_unit1] = {0.0f};
float ba1[num_hidden_unit1] = {0.0f};
float ha2[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float ba2[num_hidden_unit2] = {0.0f};
float ha3[num_hidden_unit2][2] = {0.0f};
float ba3[2] = {0.0f};
//Actor Networks Temporary
float ha1_temp[num_input_RL][num_hidden_unit1] = {0.0f};
float ba1_temp[num_hidden_unit1] = {0.0f};
float ha2_temp[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float ba2_temp[num_hidden_unit2] = {0.0f};
float ha3_temp[num_hidden_unit2][2] = {0.0f};
float ba3_temp[2] = {0.0f};
float VALVE_POS_RAW_NN = 0.0f;
float DDV_JOINT_POS_FF(float REF_JOINT_VEL);
/////////////////////////////////////////////RL tuning
float Gradient_Limit = 0.5f;
float gradient_rate_actor = 0.001f;
float gradient_rate_critic = 0.001f;
//////////////////////////////////////////////////////////////////////////////
float Critic_Network_Temp(float *arr)
{
float output1[num_hidden_unit1] = { 0.0f };
float output2[num_hidden_unit2] = { 0.0f };
float output = 0.0f;
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
output1[index2] = output1[index2] + hc1_temp[index1][index2] * arr[index1];
}
//ReLU
output1[index2] = output1[index2] + bc1_temp[index2];
hx_c_sum[index2] = output1[index2];
if (output1[index2] < 0) {
output1[index2] = 0;
}
//tanh
//output1[index2] = tanh(output1[index2] + bc1_temp[index2]);
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
output2[index2] = output2[index2] + hc2_temp[index1][index2] * output1[index1];
}
//ReLU
output2[index2] = output2[index2] + bc2_temp[index2];
hxh_c_sum[index2] = output2[index2];
if (output2[index2] < 0) {
output2[index2] = 0;
}
//tanh
//output2[index2] = tanh(output2[index2] + bc2_temp[index2]);
}
for (int index2 = 0; index2 < 1; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
output = output + hc3_temp[index1] * output2[index1];
}
output = output + bc3_temp;
hxhh_c_sum = output;
}
return output;
}
void Actor_Network(float *arr)
{
float output1[num_hidden_unit1] = {0.0f};
float output2[num_hidden_unit2] = {0.0f};
float output[2] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
output1[index2] = output1[index2] + ha1_temp[index1][index2] * arr[index1];
}
output1[index2] = output1[index2] + ba1_temp[index2];
hx_a_sum[index2] = output1[index2];
if (output1[index2] < 0) {
output1[index2] = 0;
}
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
output2[index2] = output2[index2] + ha2_temp[index1][index2] * output1[index1];
}
output2[index2] = output2[index2] + ba2_temp[index2];
hxh_a_sum[index2] = output2[index2];
if (output2[index2] < 0) {
output2[index2] = 0;
}
}
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
output[index2] = output[index2] + ha3_temp[index1][index2] * output2[index1];
}
hxhh_a_sum[index2] = output[index2] + ba3_temp[index2];
}
mean_before_SP = output[0] + ba3_temp[0]; //SP = softplus
deviation_before_SP = output[1] + ba3_temp[1];
//Softplus
mean = log(1.0f+exp(mean_before_SP));
deviation = log(1.0f+exp(deviation_before_SP));
logging2 = mean;
logging4 = deviation;
}
void Actor_Network_Old(float *arr)
{
float output1[num_hidden_unit1] = {0.0f};
float output2[num_hidden_unit2] = {0.0f};
float output[2] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
output1[index2] = output1[index2] + ha1[index1][index2] * arr[index1];
}
output1[index2] = output1[index2] + ba1[index2];
if (output1[index2] < 0) {
output1[index2] = 0;
}
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
output2[index2] = output2[index2] + ha2[index1][index2] * output1[index1];
}
output2[index2] = output2[index2] + ba2[index2];
if (output2[index2] < 0) {
output2[index2] = 0;
}
}
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
output[index2] = output[index2] + ha3[index1][index2] * output2[index1];
}
}
mean_old = output[0] + ba3[0];
deviation_old = output[1] + ba3[1];
//Softplus
mean_old = log(1.0f+exp(mean_old));
deviation_old = log(1.0f+exp(deviation_old));
}
float Grad_Normal_Dist_Mean(float mean, float deviation, float action)
{
float grad_mean = 0.0f;
grad_mean = (action-mean)*exp(-(action-mean)*(action-mean)/(2.0f*deviation*deviation))/(sqrt(2.0f*PI)*deviation*deviation*deviation);
return grad_mean;
}
float Grad_Normal_Dist_Deviation(float mean, float deviation, float action)
{
float grad_dev = 0.0f;
grad_dev = exp(-(action-mean)*(action-mean)/(2.0f*deviation*deviation))*(-1.0f/(sqrt(2.0f*PI)*deviation*deviation) + (action-mean)*(action-mean)/(sqrt(2.0f*PI)*deviation*deviation*deviation*deviation));
return grad_dev;
}
float ReLU(float x)
{
if (x >= 0) {
return x;
} else {
return 0.0f;
}
}
void update_Critic_Networks(float (*arr)[num_input_RL])
{
float G_hc1[num_input_RL][num_hidden_unit1] = {0.0f};
float G_bc1[num_hidden_unit1] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
for (int n=0; n<batch_size; n++) {
float d_V_d_hc1 = 0.0f;
for(int k=0; k<num_hidden_unit2; k++) {
if (hxh_c_sum_array[n][k] >= 0) {
if (hx_c_sum_array[n][index2] > 0) {
d_V_d_hc1 = d_V_d_hc1 + arr[n][index1]*hc2_temp[index2][k]*hc3_temp[k];
}
}
}
G_hc1[index1][index2] = G_hc1[index1][index2] + 2.0f*(return_G[n]-V[n])*(-d_V_d_hc1);
}
G_hc1[index1][index2] = G_hc1[index1][index2] / batch_size;
if(G_hc1[index1][index2] > Gradient_Limit) G_hc1[index1][index2] = Gradient_Limit;
else if (G_hc1[index1][index2] < -Gradient_Limit) G_hc1[index1][index2] = -Gradient_Limit;
//hc1_temp[index1][index2] = hc1_temp[index1][index2] - gradient_rate_critic * G_hc1[index1][index2];
}
for (int n=0; n<batch_size; n++) {
float d_V_d_bc1 = 0.0f;
for(int k=0; k<num_hidden_unit2; k++) {
if (hxh_c_sum_array[n][k] >= 0) {
if (hx_c_sum_array[n][index2] > 0) {
d_V_d_bc1 = d_V_d_bc1 + hc2_temp[index2][k]*hc3_temp[k];
}
}
}
G_bc1[index2] = G_bc1[index2] + 2.0f*(return_G[n]-V[n])*(-d_V_d_bc1);
}
G_bc1[index2] = G_bc1[index2] / batch_size;
if(G_bc1[index2] > Gradient_Limit) G_bc1[index2] = Gradient_Limit;
else if (G_bc1[index2] < -Gradient_Limit) G_bc1[index2] = -Gradient_Limit;
//bc1_temp[index2] = bc1_temp[index2] - gradient_rate_critic * G_bc1[index2];
}
float G_hc2[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float G_bc2[num_hidden_unit2] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
for (int n=0; n<batch_size; n++) {
float d_V_d_hc2 = 0.0f;
if (hxh_c_sum_array[n][index2] >= 0) {
if (hx_c_sum_array[n][index1] > 0) {
d_V_d_hc2 = hx_c_sum_array[n][index1]*hc3_temp[index2];
}
}
G_hc2[index1][index2] = G_hc2[index1][index2] + 2.0f*(return_G[n]-V[n])*(-d_V_d_hc2);
}
G_hc2[index1][index2] = G_hc2[index1][index2] / batch_size;
if(G_hc2[index1][index2] > Gradient_Limit) G_hc2[index1][index2] = Gradient_Limit;
else if (G_hc2[index1][index2] < -Gradient_Limit) G_hc2[index1][index2] = -Gradient_Limit;
//hc2_temp[index1][index2] = hc2_temp[index1][index2] - gradient_rate_critic * G_hc2[index1][index2];
}
for (int n=0; n<batch_size; n++) {
float d_V_d_bc2 = 0.0f;
if (hxh_c_sum_array[n][index2] >= 0) {
d_V_d_bc2 = hc3_temp[index2];
}
G_bc2[index2] = G_bc2[index2] + 2.0f*(return_G[n]-V[n])*(-d_V_d_bc2);
}
G_bc2[index2] = G_bc2[index2] / batch_size;
if(G_bc2[index2] > Gradient_Limit) G_bc2[index2] = Gradient_Limit;
else if (G_bc2[index2] < -Gradient_Limit) G_bc2[index2] = -Gradient_Limit;
//bc2_temp[index2] = bc2_temp[index2] - gradient_rate_critic * G_bc2[index2];
}
float G_hc3[num_hidden_unit2]= {0.0f};
float G_bc3 = 0.0f;
for (int index2 = 0; index2 < 1; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
for (int n=0; n<batch_size; n++) {
float d_V_d_hc3 = 0.0f;
if (hxh_c_sum_array[n][index1] >= 0) {
d_V_d_hc3 = d_V_d_hc3 + hxh_c_sum_array[n][index1];
}
G_hc3[index1] = G_hc3[index1] + 2.0f*(return_G[n]-V[n])*(-d_V_d_hc3);
}
G_hc3[index1] = G_hc3[index1] / batch_size;
if(G_hc3[index1] > Gradient_Limit) G_hc3[index1] = Gradient_Limit;
else if (G_hc3[index1] < -Gradient_Limit) G_hc3[index1] = -Gradient_Limit;
//hc3_temp[index1] = hc3_temp[index1] - gradient_rate_critic * G_hc3[index1];
}
for (int n=0; n<batch_size; n++) {
float d_V_d_bc3 = 0.0f;
d_V_d_bc3 = 1.0f;
G_bc3 = G_bc3 + 2.0f*(return_G[n]-V[n])*(-d_V_d_bc3);
}
G_bc3 = G_bc3 / batch_size;
if(G_bc3 > Gradient_Limit) G_bc3 = Gradient_Limit;
else if (G_bc3 < -Gradient_Limit) G_bc3 = -Gradient_Limit;
//bc3_temp = bc3_temp - gradient_rate_critic * G_bc3;
}
// Simultaneous Update
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
hc1_temp[index1][index2] = hc1_temp[index1][index2] - gradient_rate_critic * G_hc1[index1][index2];
}
bc1_temp[index2] = bc1_temp[index2] - gradient_rate_critic * G_bc1[index2];
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
hc2_temp[index1][index2] = hc2_temp[index1][index2] - gradient_rate_critic * G_hc2[index1][index2];
}
bc2_temp[index2] = bc2_temp[index2] - gradient_rate_critic * G_bc2[index2];
}
for (int index2 = 0; index2 < 1; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
hc3_temp[index1] = hc3_temp[index1] - gradient_rate_critic * G_hc3[index1];
}
bc3_temp = bc3_temp - gradient_rate_critic * G_bc3;
}
}
///////////////////////////Softplus//////////////////////////////////
void update_Actor_Networks(float (*arr)[num_input_RL])
{
float G_ha1[num_input_RL][num_hidden_unit1] = {0.0f};
float G_ba1[num_hidden_unit1] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
for (int n=0; n<batch_size; n++) {
float d_x_d_ha1 = 0.0f;
float d_y_d_ha1 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ha1[index1][index2] = G_ha1[index1][index2];
} else {
for(int k=0; k<num_hidden_unit2; k++) {
if (hxh_a_sum_array[n][k] >= 0) {
if (hx_a_sum_array[n][index2] > 0) {
d_x_d_ha1 = d_x_d_ha1 + arr[n][index1]*ha2_temp[index2][k]*ha3_temp[k][0];
d_y_d_ha1 = d_y_d_ha1 + arr[n][index1]*ha2_temp[index2][k]*ha3_temp[k][1];
}
}
}
float d_mean_d_ha1 = 0.0f;
float d_dev_d_ha1 = 0.0f;
d_mean_d_ha1 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ha1;
d_dev_d_ha1 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ha1;
G_ha1[index1][index2] = G_ha1[index1][index2] + advantage[n]/pi_old[n]*(d_mean_d_ha1*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ha1*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ha1[index1][index2] = -G_ha1[index1][index2] / batch_size;
if(G_ha1[index1][index2] > Gradient_Limit) G_ha1[index1][index2] = Gradient_Limit;
else if (G_ha1[index1][index2] < -Gradient_Limit) G_ha1[index1][index2] = -Gradient_Limit;
//ha1_temp[index1][index2] = ha1_temp[index1][index2] - gradient_rate_actor * G_ha1[index1][index2];
}
for (int n=0; n<batch_size; n++) {
float d_x_d_ba1 = 0.0f;
float d_y_d_ba1 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ba1[index2] = G_ba1[index2];
} else {
for(int k=0; k<num_hidden_unit2; k++) {
if (hxh_a_sum_array[n][k] >= 0) {
if (hx_a_sum_array[n][index2] > 0) {
d_x_d_ba1 = d_x_d_ba1 + ha2_temp[index2][k]*ha3_temp[k][0];
d_y_d_ba1 = d_y_d_ba1 + ha2_temp[index2][k]*ha3_temp[k][1];
}
}
}
float d_mean_d_ba1 = 0.0f;
float d_dev_d_ba1 = 0.0f;
d_mean_d_ba1 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ba1;
d_dev_d_ba1 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ba1;
G_ba1[index2] = G_ba1[index2] + advantage[n]/pi_old[n]*(d_mean_d_ba1*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ba1*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ba1[index2] = -G_ba1[index2] / batch_size;
if(G_ba1[index2] > Gradient_Limit) G_ba1[index2] = Gradient_Limit;
else if (G_ba1[index2] < -Gradient_Limit) G_ba1[index2] = -Gradient_Limit;
//ba1_temp[index2] = ba1_temp[index2] - gradient_rate_actor * G_ba1[index2];
}
float G_ha2[num_hidden_unit1][num_hidden_unit2] = {0.0f};
float G_ba2[num_hidden_unit2] = {0.0f};
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
for (int n=0; n<batch_size; n++) {
float d_x_d_ha2 = 0.0f;
float d_y_d_ha2 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ha2[index1][index2] = G_ha2[index1][index2];
} else {
if (hxh_a_sum_array[n][index2] >= 0) {
if (hx_a_sum_array[n][index1] > 0) {
d_x_d_ha2 = hx_a_sum_array[n][index1]*ha3_temp[index2][0];
d_y_d_ha2 = hx_a_sum_array[n][index1]*ha3_temp[index2][1];
}
}
float d_mean_d_ha2 = 0.0f;
float d_dev_d_ha2 = 0.0f;
d_mean_d_ha2 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ha2;
d_dev_d_ha2 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ha2;
G_ha2[index1][index2] = G_ha2[index1][index2] + advantage[n]/pi_old[n]*(d_mean_d_ha2*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ha2*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ha2[index1][index2] = -G_ha2[index1][index2] / batch_size;
if(G_ha2[index1][index2] > Gradient_Limit) G_ha2[index1][index2] = Gradient_Limit;
else if (G_ha2[index1][index2] < -Gradient_Limit) G_ha2[index1][index2] = -Gradient_Limit;
//ha2_temp[index1][index2] = ha2_temp[index1][index2] - gradient_rate_actor * G_ha2[index1][index2];
}
for (int n=0; n<batch_size; n++) {
float d_x_d_ba2 = 0.0f;
float d_y_d_ba2 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ba2[index2] = G_ba2[index2];
} else {
if (hxh_a_sum_array[n][index2] >= 0) {
d_x_d_ba2 = ha3_temp[index2][0];
d_y_d_ba2 = ha3_temp[index2][1];
}
float d_mean_d_ba2= 0.0f;
float d_dev_d_ba2= 0.0f;
d_mean_d_ba2 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ba2;
d_dev_d_ba2 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ba2;
G_ba2[index2] = G_ba2[index2] + advantage[n]/pi_old[n]*(d_mean_d_ba2*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ba2*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ba2[index2] = -G_ba2[index2] / batch_size;
if(G_ba2[index2] > Gradient_Limit) G_ba2[index2] = Gradient_Limit;
else if (G_ba2[index2] < -Gradient_Limit) G_ba2[index2] = -Gradient_Limit;
//ba2_temp[index2] = ba2_temp[index2] - gradient_rate_actor * G_ba2[index2];
}
float G_ha3[num_hidden_unit2][2] = {0.0f};
float G_ba3[2] = {0.0f};
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
for (int n=0; n<batch_size; n++) {
float d_x_d_ha3 = 0.0f;
float d_y_d_ha3 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ha3[index1][index2] = G_ha3[index1][index2];
} else {
if (hxh_a_sum_array[n][index1] >= 0) {
if (hx_a_sum_array[n][index1] > 0) {
d_x_d_ha3 = hxh_a_sum_array[n][index1];
d_y_d_ha3 = hxh_a_sum_array[n][index1];
}
}
float d_mean_d_ha3 = 0.0f;
float d_dev_d_ha3 = 0.0f;
d_mean_d_ha3 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ha3;
d_dev_d_ha3 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ha3;
G_ha3[index1][index2] = G_ha3[index1][index2] + advantage[n]/pi_old[n]*(d_mean_d_ha3*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ha3*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ha3[index1][index2] = -G_ha3[index1][index2] / batch_size;
if(G_ha3[index1][index2] > Gradient_Limit) G_ha3[index1][index2] = Gradient_Limit;
else if (G_ha3[index1][index2] < -Gradient_Limit) G_ha3[index1][index2] = -Gradient_Limit;
//ha3_temp[index1][index2] = ha3_temp[index1][index2] - gradient_rate_actor * G_ha3[index1][index2];
}
for (int n=0; n<batch_size; n++) {
float d_x_d_ba3 = 0.0f;
float d_y_d_ba3 = 0.0f;
if((advantage[n] >= 0.0f && ratio[n] >= 1.0f + epsilon) || (advantage[n] < 0.0f && ratio[n] < 1.0f - epsilon)) {
G_ba3[index2] = G_ba3[index2];
} else {
d_x_d_ba3 = 1.0f;
d_y_d_ba3 = 1.0f;
float d_mean_d_ba3= 0.0f;
float d_dev_d_ba3= 0.0f;
d_mean_d_ba3 = exp(hxhh_a_sum_array[n][0])/(1.0f+exp(hxhh_a_sum_array[n][0]))*d_x_d_ba3;
d_dev_d_ba3 = exp(hxhh_a_sum_array[n][1])/(1.0f+exp(hxhh_a_sum_array[n][1]))*d_y_d_ba3;
G_ba3[index2] = G_ba3[index2] + advantage[n]/pi_old[n]*(d_mean_d_ba3*Grad_Normal_Dist_Mean(mean_array[n],deviation_array[n],action_array[n])+d_dev_d_ba3*Grad_Normal_Dist_Deviation(mean_array[n],deviation_array[n],action_array[n]));
}
}
G_ba3[index2] = -G_ba3[index2] / batch_size;
if(G_ba3[index2] > Gradient_Limit) G_ba3[index2] = Gradient_Limit;
else if (G_ba3[index2] < -Gradient_Limit) G_ba3[index2] = -Gradient_Limit;
//ba3_temp[index2] = ba3_temp[index2] - gradient_rate_actor * G_ba3[index2];
}
// Simultaneous Update
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
ha1_temp[index1][index2] = ha1_temp[index1][index2] - gradient_rate_actor * G_ha1[index1][index2];
}
ba1_temp[index2] = ba1_temp[index2] - gradient_rate_actor * G_ba1[index2];
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
ha2_temp[index1][index2] = ha2_temp[index1][index2] - gradient_rate_actor * G_ha2[index1][index2];
}
ba2_temp[index2] = ba2_temp[index2] - gradient_rate_actor * G_ba2[index2];
}
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
ha3_temp[index1][index2] = ha3_temp[index1][index2] - gradient_rate_actor * G_ha3[index1][index2];
}
ba3_temp[index2] = ba3_temp[index2] - gradient_rate_actor * G_ba3[index2];
}
}
float rand_normal(double mean, double stddev)
{
//Box muller method
static double n2 = 0.0f;
static int n2_cached = 0;
if (!n2_cached) {
double x, y, r;
do {
x = 2.0f*rand()/RAND_MAX - 1;
y = 2.0f*rand()/RAND_MAX - 1;
r = x*x + y*y;
} while (r == 0.0f || r > 1.0f);
{
double d = sqrt(-2.0f*log(r)/r);
double n1 = x*d;
n2 = y*d;
double result = n1*stddev + mean;
n2_cached = 1;
return result;
}
} else {
n2_cached = 0;
return n2*stddev + mean;
}
}
float mean_adv(float x[], int size)
{
float add = 0.0f;
float result;
for (int i=0; i<size; i++)
{
add += x[i];
}
result = (float) add/size;
return result;
}
float deviation_adv(float x[], int size)
{
float sigma = 0.0f;
float resultDeb = 0.0f;
for (int k=0; k<size; k++)
{
sigma = pow((float)x[k]-mean_adv(x,size), (float)2.0f)/(size-1);
resultDeb += sqrt(sigma);
}
return resultDeb;
}
void Overwirte_Critic_Networks()
{
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
hc1[index1][index2] = hc1_temp[index1][index2];
}
bc1[index2] = bc1_temp[index2];
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
hc2[index1][index2] = hc2_temp[index1][index2];
}
bc2[index2] = bc2_temp[index2];
hc3[index2] = hc3_temp[index2];
}
bc3 = bc3_temp;
}
void Overwirte_Actor_Networks()
{
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
ha1[index1][index2] = ha1_temp[index1][index2];
}
ba1[index2] = ba1_temp[index2];
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
ha2[index1][index2] = ha2_temp[index1][index2];
}
ba2[index2] = ba2_temp[index2];
}
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
ha3[index1][index2] = ha3_temp[index1][index2];
}
ba3[index2] = ba3_temp[index2];
}
}
int main()
{
HAL_Init();
SystemClock_Config();
/*********************************
*** Initialization
*********************************/
LED = 0;
pc.baud(9600);
// i2c init
i2c.frequency(400 * 1000); // 0.4 mHz
wait_ms(2); // Power Up wait
look_for_hardware_i2c(); // Hardware present
init_as5510(i2c_slave_addr1);
make_delay();
// // spi init
eeprom.format(8,3);
eeprom.frequency(5000000); //5M
enc.format(8,0);
enc.frequency(5000000); //5M
make_delay();
//rom
ROM_CALL_DATA();
make_delay();
// ADC init
Init_ADC();
make_delay();
// Pwm init
Init_PWM();
TIM4->CR1 ^= TIM_CR1_UDIS;
make_delay();
// TMR3 init
Init_TMR3();
TIM3->CR1 ^= TIM_CR1_UDIS;
make_delay();
// TMR2 init
// Init_TMR2();
// TIM2->CR1 ^= TIM_CR1_UDIS;
// make_delay();
// CAN
can.attach(&CAN_RX_HANDLER);
CAN_ID_INIT();
make_delay();
//Timer priority
NVIC_SetPriority(TIM3_IRQn, 2);
//NVIC_SetPriority(TIM2_IRQn, 3);
NVIC_SetPriority(TIM4_IRQn, 3);
//can.reset();
can.filter(msg.id, 0xFFFFF000, CANStandard);
// spi _ enc
spi_enc_set_init();
make_delay();
//DAC init
if (SENSING_MODE == 0) {
dac_1 = TORQUE_VREF / 3.3f;
dac_2 = 0.0f;
} else if (SENSING_MODE == 1) {
dac_1 = PRES_A_VREF / 3.3f;
dac_2 = PRES_B_VREF / 3.3f;
}
make_delay();
for (int i=0; i<50; i++) {
if(i%2==0)
ID_index_array[i] = - i * 0.5f;
else
ID_index_array[i] = (i+1) * 0.5f;
}
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
hc1_temp[index1][index2] = (float) (rand()%100) * 0.007f ;
}
bc1_temp[index2] = (float) (rand()%100) * 0.007f;
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
hc2_temp[index1][index2] = (float) (rand()%100) * 0.007f;
}
bc2_temp[index2] = (float) (rand()%100) * 0.007f;
hc3_temp[index2] = (float) (rand()%100) * 0.007f;
}
bc3_temp = (float) (rand()%100) * 0.007f;
for (int index2 = 0; index2 < num_hidden_unit1; index2++) {
for (int index1 = 0; index1 < num_input_RL; index1++) {
ha1_temp[index1][index2] = (float) (rand()%100) * 0.007f;
}
ba1_temp[index2] = (float) (rand()%100) * 0.007f;
}
for (int index2 = 0; index2 < num_hidden_unit2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit1; index1++) {
ha2_temp[index1][index2] = (float) (rand()%100) * 0.007f;
}
ba2_temp[index2] = (float) (rand()%100) * 0.007f;
}
for (int index2 = 0; index2 < 2; index2++) {
for (int index1 = 0; index1 < num_hidden_unit2; index1++) {
ha3_temp[index1][index2] = (float) (rand()%100) * 0.007f;
}
ba3_temp[index2] = (float) (rand()%100) * 0.007f;
}
Overwirte_Critic_Networks();
Overwirte_Actor_Networks();
/************************************
*** Program is operating!
*************************************/
while(1) {
// if(timer_while==27491) {
// timer_while = 0;
// pc.printf("ref : %f virt_pos : %f mean : %f deviation : %f Last_pos_of_batch : %f reward_sum : %f\n", pos.sen/(float)(ENC_PULSE_PER_POSITION), logging3, logging2, logging4, logging1, logging5);
// //pc.printf("%f\n", virt_pos);
// //pc.printf("%f\n", pos.sen/(float)(ENC_PULSE_PER_POSITION));
// //pc.printf("ref : %f virt_pos : %f\n", pos.sen/(float)(ENC_PULSE_PER_POSITION), virt_pos);
// }
//i2c
read_field(i2c_slave_addr1);
if(DIR_VALVE_ENC < 0) value = 1023 - value;
//timer_while ++;
///////////////////////////////////////////////////////Neural Network
if(NN_Control_Flag == 0) {
LED = 0;
}
else if(NN_Control_Flag == 1) {
int ind = 0;
for(int i=0; i<numpast_u; i++) {
input_NN[ind] = u_past[time_interval*i];
ind = ind + 1;
}
for(int i=0; i<numpast_x; i++) {
input_NN[ind] = x_past[time_interval*i] / 60.0f;
ind = ind + 1;
}
input_NN[ind] = (pos.sen / ENC_PULSE_PER_POSITION) / 60.0f;
ind = ind + 1;
// for(int i=0; i<numfuture_x; i++) {
// input_NN[ind] = x_future[time_interval*i+time_interval] / 60.0f;
// ind = ind + 1;
// }
for(int i=0; i<numpast_f; i++) {
input_NN[ind] = f_past[time_interval*i] / 10000.0f + 0.5f;
ind = ind + 1;
}
input_NN[ind] = torq.sen / 10000.0f + 0.5f;
ind = ind + 1;
for(int i=0; i<numfuture_f; i++) {
// input_NN[ind] = (f_future[time_interval*i+time_interval] - torq.sen)/10000.0f+0.5f;
input_NN[ind] = (f_future[time_interval*i+time_interval])/10000.0f+0.5f;
ind = ind + 1;
}
float output1[16] = { 0.0f };
float output2[16] = { 0.0f };
float output3[16] = { 0.0f };
float output = 0.0f;
for (int index2 = 0; index2 < 16; index2++) {
for (int index1 = 0; index1 < num_input; index1++) {
output1[index2] = output1[index2]
+ h1[index1][index2] * input_NN[index1];
}
output1[index2] = output1[index2] + b1[index2];
if (output1[index2] < 0) {
output1[index2] = 0;
}
}
for (int index2 = 0; index2 < 16; index2++) {
for (int index1 = 0; index1 < 16; index1++) {
output2[index2] = output2[index2]
+ h2[index1][index2] * output1[index1];
}
output2[index2] = output2[index2] + b2[index2];
if (output2[index2] < 0) {
output2[index2] = 0;
}
}
for (int index2 = 0; index2 < 16; index2++) {
for (int index1 = 0; index1 < 16; index1++) {
output3[index2] = output3[index2]
+ h3[index1][index2] * output2[index1];
}
output3[index2] = output3[index2] + b3[index2];
if (output3[index2] < 0) {
output3[index2] = 0;
}
}
for (int index2 = 0; index2 < 1; index2++) {
for (int index1 = 0; index1 < 16; index1++) {
output = output + hout[index1] * output3[index1];
}
output = output + bout[index2];
}
output = 1.0f/(1.0f+exp(-output));
output_normalized = output;
output = output * 20000.0f - 10000.0f;
if(output>=0) {
valve_pos.ref = output*0.0001f*((double)VALVE_MAX_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER;
} else {
valve_pos.ref = -output*0.0001f*((double)VALVE_MIN_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER;
}
if(LED==1) {
LED=0;
} else
LED = 1;
}
/////////////////////////////////////////////////////////////////////RL
switch (Update_Case) {
case 0: {
break;
}
case 1: {
//Network Update(just update and hold network)
for (int epoch = 0; epoch < num_epoch; epoch++) {
float loss_sum = 0.0f;
for (int n=batch_size-1; n>=0; n--) {
//Calculate Estimated V
//float temp_array[3] = {state_array[n][0], state_array[n][1], state_array[n][2]};
float temp_array[2] = {state_array[n][0], state_array[n][1]};
V[n] = Critic_Network_Temp(temp_array);
for (int i=0; i<num_hidden_unit1; i++) {
hx_c_sum_array[n][i] = hx_c_sum[i];
}
for (int i=0; i<num_hidden_unit2; i++) {
hxh_c_sum_array[n][i] = hxh_c_sum[i];
}
hxhh_c_sum_array[n] = hxhh_c_sum;
pi[n] = exp(-(action_array[n]-mean_array[n])*(action_array[n]-mean_array[n])/(2.0f*deviation_array[n]*deviation_array[n]))/(sqrt(2.0f*PI)*deviation_array[n]);
Actor_Network_Old(temp_array);
pi_old[n] = exp(-(action_array[n]-mean_old)*(action_array[n]-mean_old)/(2.0f*deviation_old*deviation_old))/(sqrt(2.0f*PI)*deviation_old);
r[n] = exp(-0.25f * 5.0f * state_array[n][1] * state_array[n][1]);
if(n == batch_size-1) return_G[n] = 0.0f;
else return_G[n] = gamma * return_G[n+1] + r[n];
if(n == batch_size-1) td_target[n] = r[n];
else td_target[n] = r[n] + gamma * V[n+1];
delta[n] = td_target[n] - V[n];
if(n == batch_size-1) advantage[n] = 0.0f;
else advantage[n] = gamma * lmbda * advantage[n+1] + delta[n];
// return_G[n] = advantage[n] + V[n];
ratio[n] = pi[n]/pi_old[n];
}
float mean_advantage = 0.0f;
float dev_advantage = 0.0f;
mean_advantage = mean_adv(advantage, batch_size);
dev_advantage = deviation_adv(advantage, batch_size);
for (int n=batch_size-1; n>=0; n--) {
//advantage[n] = (advantage[n]-mean_advantage)/dev_advantage;
surr1[n] = ratio[n] * advantage[n];
if (ratio[n] > 1.0f + epsilon) {
surr2[n] = (1.0f + epsilon)*advantage[n];
} else if( ratio[n] < 1.0f - epsilon) {
surr2[n] = (1.0f - epsilon)*advantage[n];
} else {
surr2[n] = ratio[n]*advantage[n];
}
loss[n] = -min(surr1[n], surr2[n]);
loss_sum = loss_sum + loss[n];
}
reward_sum = 0.0f;
for (int i=0; i<batch_size; i++) {
reward_sum = reward_sum + r[i];
}
logging5 = reward_sum;
//loss_batch = loss_sum / (float) batch_size;
loss_batch = loss_sum;
//Update Networks
update_Critic_Networks(state_array);
update_Actor_Networks(state_array);
}
Update_Done_Flag = 1;
Update_Case = 0;
//logging1 = V[0];
break;
}
case 2: {
//Network apply to next Network
Overwirte_Critic_Networks();
Overwirte_Actor_Networks();
virt_pos = 10.0f;
Update_Done_Flag = 1;
Update_Case = 0;
break;
}
}
}
}
float DDV_JOINT_POS_FF(float REF_JOINT_VEL)
{
int i = 0;
float Ref_Valve_Pos_FF = 0.0f;
for(i=0; i<VALVE_POS_NUM; i++) {
if(REF_JOINT_VEL >= min(JOINT_VEL[i],JOINT_VEL[i+1]) && REF_JOINT_VEL <= max(JOINT_VEL[i],JOINT_VEL[i+1])) {
if(i==0) {
if(JOINT_VEL[i+1] == JOINT_VEL[i]) {
Ref_Valve_Pos_FF = (float) VALVE_CENTER;
} else {
Ref_Valve_Pos_FF = ((float) 10/(JOINT_VEL[i+1] - JOINT_VEL[i]) * (REF_JOINT_VEL - JOINT_VEL[i])) + (float) VALVE_CENTER;
}
} else {
if(JOINT_VEL[i+1] == JOINT_VEL[i-1]) {
Ref_Valve_Pos_FF = (float) VALVE_CENTER;
} else {
Ref_Valve_Pos_FF = ((float) 10*(ID_index_array[i+1] - ID_index_array[i-1])/(JOINT_VEL[i+1] - JOINT_VEL[i-1]) * (REF_JOINT_VEL - JOINT_VEL[i-1])) + (float) VALVE_CENTER + (float) (10*ID_index_array[i-1]);
}
}
break;
}
}
if(REF_JOINT_VEL > max(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Ref_Valve_Pos_FF = (float) VALVE_MAX_POS;
} else if(REF_JOINT_VEL < min(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Ref_Valve_Pos_FF = (float) VALVE_MIN_POS;
}
Ref_Valve_Pos_FF = (float) VELOCITY_COMP_GAIN * 0.01f * (float) (Ref_Valve_Pos_FF - (float) VALVE_CENTER);
return Ref_Valve_Pos_FF;
}
void VALVE_POS_CONTROL(float REF_VALVE_POS)
{
int i = 0;
if(REF_VALVE_POS > VALVE_MAX_POS) {
REF_VALVE_POS = VALVE_MAX_POS;
} else if(REF_VALVE_POS < VALVE_MIN_POS) {
REF_VALVE_POS = VALVE_MIN_POS;
}
valve_pos_err = (float) (REF_VALVE_POS - value);
valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
valve_pos_err_old = valve_pos_err;
valve_pos_err_sum += valve_pos_err;
if (valve_pos_err_sum > 1000.0f) valve_pos_err_sum = 1000.0f;
if (valve_pos_err_sum<-1000.0f) valve_pos_err_sum = -1000.0f;
VALVE_PWM_RAW_FB = P_GAIN_VALVE_POSITION * valve_pos_err + I_GAIN_VALVE_POSITION * valve_pos_err_sum + D_GAIN_VALVE_POSITION * valve_pos_err_diff;
for(i=0; i<24; i++) {
if(REF_VALVE_POS >= min(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1]) && (float) REF_VALVE_POS <= max(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1])) {
if(i==0) {
VALVE_PWM_RAW_FF = (float) 1000.0f / (float) (VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i]) * ((float) REF_VALVE_POS - VALVE_POS_VS_PWM[i]);
} else {
VALVE_PWM_RAW_FF = (float) 1000.0f* (float) (ID_index_array[i+1] - ID_index_array[i-1])/(VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i-1]) * ((float) REF_VALVE_POS - VALVE_POS_VS_PWM[i-1]) + 1000.0f * (float) ID_index_array[i-1];
}
break;
}
}
Vout.ref = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
}
#define LT_MAX_IDX 57
float LT_PWM_duty[LT_MAX_IDX] = {-100.0f, -80.0f, -60.0f, -50.0f, -40.0f, -35.0f, -30.0f, -25.0f, -20.0f,
-19.0f, -18.0f, -17.0f, -16.0f, -15.0f, -14.0f, -13.0f, -12.0f, -11.0f, -10.0f,
-9.0f, -8.0f, -7.0f, -6.0f, -5.0f, -4.0f, -3.0f, -2.0f, -1.0f, 0.0f,
1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f,
11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f, 18.0f, 19.0f, 20.0f,
25.0f, 30.0f, 35.0f, 40.0f, 50.0f, 60.0f, 80.0f, 100.0f
}; // duty
float LT_Voltage_Output[LT_MAX_IDX] = {-230.0f, -215.0f, -192.5f, -185.0f, -177.5f, -170.0f, -164.0f, -160.0f, -150.0f,
-150.0f, -145.0f, -145.0f, -145.0f, -135.0f, -135.0f, -135.0f, -127.5f, -127.5f, -115.0f,
-115.0f, -115.0F, -100.0f, -100.0f, -100.0f, -60.0f, -60.0f, -10.0f, -5.0f, 0.0f,
7.5f, 14.0f, 14.0f, 14.0f, 42.5f, 42.5f, 42.5f, 80.0f, 80.0f, 105.0f,
105.0f, 105.0f, 120.0f, 120.0f, 120.0f, 131.0f, 131.0f, 140.0f, 140.0f, 140.0f,
155.0f, 160.0f, 170.0f, 174.0f, 182.0f, 191.0f, 212.0f, 230.0f
}; // mV
float PWM_duty_byLT(float Ref_V)
{
float PWM_duty = 0.0f;
if(Ref_V<LT_Voltage_Output[0]) {
PWM_duty = (Ref_V-LT_Voltage_Output[0])/1.5f+LT_PWM_duty[0];
} else if (Ref_V>=LT_Voltage_Output[LT_MAX_IDX-1]) {
PWM_duty = (Ref_V-LT_Voltage_Output[LT_MAX_IDX-1])/1.5f+LT_PWM_duty[LT_MAX_IDX-1];
} else {
int idx = 0;
for(idx=0; idx<LT_MAX_IDX-1; idx++) {
float ini_x = LT_Voltage_Output[idx];
float fin_x = LT_Voltage_Output[idx+1];
float ini_y = LT_PWM_duty[idx];
float fin_y = LT_PWM_duty[idx+1];
if(Ref_V>=ini_x && Ref_V<fin_x) {
PWM_duty = (fin_y-ini_y)/(fin_x-ini_x)*(Ref_V-ini_x) + ini_y;
break;
}
}
}
return PWM_duty;
}
/*******************************************************************************
TIMER INTERRUPT
*******************************************************************************/
float FREQ_TMR4 = (float)FREQ_20k;
float DT_TMR4 = (float)DT_20k;
long CNT_TMR4 = 0;
int TMR4_FREQ_10k = (int)FREQ_10k;
extern "C" void TIM4_IRQHandler(void)
{
if (TIM4->SR & TIM_SR_UIF ) {
/*******************************************************
*** Sensor Read & Data Handling
********************************************************/
//Encoder
if (CNT_TMR4 % (int) ((int) FREQ_TMR4/TMR4_FREQ_10k) == 0) {
ENC_UPDATE();
}
ADC1->CR2 |= 0x40000000;
if (SENSING_MODE == 0) {
// Torque Sensing (0~210)bar =============================================
float pres_A_new = (((float) ADC1->DR) - 2047.5f);
double alpha_update_ft = 1.0f / (1.0f + FREQ_TMR4 / (2.0f * 3.14f * 100.0f)); // f_cutoff : 200Hz
pres_A.sen = (1.0f - alpha_update_ft) * pres_A.sen + alpha_update_ft * pres_A_new;
torq.sen = -pres_A.sen / TORQUE_SENSOR_PULSE_PER_TORQUE;
// float alpha_update_pres_A = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
//// float pres_A_new = ((float)ADC1->DR - PRES_A_NULL) / PRES_SENSOR_A_PULSE_PER_BAR;
// float pres_A_new = ((float)ADC1->DR);
// pres_A.sen = pres_A.sen*(1.0f-alpha_update_pres_A)+pres_A_new*(alpha_update_pres_A);
// torq.sen = - (pres_A.sen-2048.0f); //pulse -2047~2047
} else if (SENSING_MODE == 1) {
// Pressure Sensing (0~210)bar =============================================
float pres_A_new = (((float)ADC1->DR) - PRES_A_NULL);
float pres_B_new = (((float)ADC2->DR) - PRES_B_NULL);
double alpha_update_pres = 1.0f / (1.0f + FREQ_TMR4 / (2.0f * 3.14f * 200.0f)); // f_cutoff : 500Hz
pres_A.sen = (1.0f - alpha_update_pres) * pres_A.sen + alpha_update_pres * pres_A_new;
pres_B.sen = (1.0f - alpha_update_pres) * pres_B.sen + alpha_update_pres * pres_B_new;
CUR_PRES_A_BAR = pres_A.sen / PRES_SENSOR_A_PULSE_PER_BAR;
CUR_PRES_B_BAR = pres_B.sen / PRES_SENSOR_B_PULSE_PER_BAR;
if ((OPERATING_MODE & 0x01) == 0) { // Rotary Actuator
torq.sen = (PISTON_AREA_A * CUR_PRES_A_BAR - PISTON_AREA_B * CUR_PRES_B_BAR) * 0.0001f; // mm^3*bar >> Nm
} else if ((OPERATING_MODE & 0x01) == 1) { // Linear Actuator
torq.sen = (PISTON_AREA_A * CUR_PRES_A_BAR - PISTON_AREA_B * CUR_PRES_B_BAR) * 0.1f; // mm^2*bar >> N
}
}
// //Pressure sensor A
// ADC1->CR2 |= 0x40000000; // adc _ 12bit
// //while((ADC1->SR & 0b10));
// float alpha_update_pres_A = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
// float pres_A_new = ((float)ADC1->DR);
// pres_A.sen = pres_A.sen*(1.0f-alpha_update_pres_A)+pres_A_new*(alpha_update_pres_A);
// torq.sen = - (pres_A.sen-2048.0f); //pulse -2047~2047 //SW just changed the sign to correct the direction of loadcell on LIGHT. Correct later.
//
//
// //Pressure sensor B
// float alpha_update_pres_B = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
// float pres_B_new = ((float)ADC2->DR);
// pres_B.sen = pres_B.sen*(1.0f-alpha_update_pres_B)+pres_B_new*(alpha_update_pres_B);
// //torq.sen = pres_A.sen * (float) PISTON_AREA_A - pres_B.sen * (float) PISTON_AREA_B;
//Current
//ADC3->CR2 |= 0x40000000; // adc _ 12bit
//int raw_cur = ADC3->DR;
//while((ADC3->SR & 0b10));
float alpha_update_cur = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*500.0f)); // f_cutoff : 500Hz
float cur_new = ((float)ADC3->DR-2048.0f)*20.0f/4096.0f; // unit : mA
cur.sen=cur.sen*(1.0f-alpha_update_cur)+cur_new*(alpha_update_cur);
//cur.sen = raw_cur;
CNT_TMR4++;
}
TIM4->SR = 0x0; // reset the status register
}
int j =0;
float FREQ_TMR3 = (float)FREQ_5k;
float DT_TMR3 = (float)DT_5k;
int cnt_trans = 0;
double VALVE_POS_RAW_FORCE_FB_LOGGING = 0.0f;
int can_rest =0;
extern "C" void TIM3_IRQHandler(void)
{
if (TIM3->SR & TIM_SR_UIF ) {
if (((OPERATING_MODE&0b110)>>1) == 0) {
K_v = 0.4f; // Moog (LPM >> mA) , 100bar
mV_PER_mA = 500.0f; // 5000mV/10mA
mV_PER_pulse = 0.5f; // 5000mV/10000pulse
mA_PER_pulse = 0.001f; // 10mA/10000pulse
} else if (((OPERATING_MODE&0b110)>>1) == 1) {
K_v = 0.5f; // KNR (LPM >> mA) , 100bar
mV_PER_mA = 166.6666f; // 5000mV/30mA
mV_PER_pulse = 0.5f; // 5000mV/10000pulse
mA_PER_pulse = 0.003f; // 30mA/10000pulse
}
if(MODE_POS_FT_TRANS == 1) {
alpha_trans = (float)(1.0f - cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
cnt_trans++;
torq.err_sum = 0;
if((float)cnt_trans * DT_TMR3 > 3.0f)
MODE_POS_FT_TRANS = 2;
} else if(MODE_POS_FT_TRANS == 3) {
alpha_trans = (float)(1.0f + cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
cnt_trans++;
torq.err_sum = 0;
if((float) cnt_trans * DT_TMR3 > 3.0f )
MODE_POS_FT_TRANS = 0;
} else if(MODE_POS_FT_TRANS == 2) {
alpha_trans = 1.0f;
cnt_trans = 0;
} else {
alpha_trans = 0.0f;
cnt_trans = 0;
}
int UTILITY_MODE = 0;
int CONTROL_MODE = 0;
if (CONTROL_UTILITY_MODE >= 20 || CONTROL_UTILITY_MODE == 0) {
UTILITY_MODE = CONTROL_UTILITY_MODE;
CONTROL_MODE = MODE_NO_ACT;
} else {
CONTROL_MODE = CONTROL_UTILITY_MODE;
UTILITY_MODE = MODE_NO_ACT;
}
// UTILITY MODE ------------------------------------------------------------
switch (UTILITY_MODE) {
case MODE_NO_ACT: {
break;
}
case MODE_TORQUE_SENSOR_NULLING: {
// DAC Voltage reference set
if (TMR3_COUNT_TORQUE_NULL < TMR_FREQ_5k * 2) {
CUR_TORQUE_sum += torq.sen;
if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
CUR_TORQUE_mean = CUR_TORQUE_sum / 10.0f;
CUR_TORQUE_sum = 0;
TORQUE_VREF += 0.000003f * (0.0f - CUR_TORQUE_mean);
if (TORQUE_VREF > 3.3f) TORQUE_VREF = 3.3f;
if (TORQUE_VREF < 0.0f) TORQUE_VREF = 0.0f;
//spi_eeprom_write(RID_TORQUE_SENSOR_VREF, (int16_t) (TORQUE_VREF * 1000.0));
dac_1 = TORQUE_VREF / 3.3f;
}
} else {
CONTROL_UTILITY_MODE = MODE_NO_ACT;
TMR3_COUNT_TORQUE_NULL = 0;
CUR_TORQUE_sum = 0;
CUR_TORQUE_mean = 0;
// ROM_RESET_DATA();
spi_eeprom_write(RID_TORQUE_SENSOR_VREF, (int16_t) (TORQUE_VREF * 1000.0f));
dac_1 = TORQUE_VREF / 3.3f;
}
TMR3_COUNT_TORQUE_NULL++;
break;
}
// case MODE_VALVE_NULLING_AND_DEADZONE_SETTING: {
// if (TMR3_COUNT_DEADZONE == 0) {
// if (pos_plus_end == pos_minus_end) need_enc_init = true;
// else temp_time = 0;
// }
// if (need_enc_init) {
// if (TMR3_COUNT_DEADZONE < (int) (0.5f * (float) TMR_FREQ_5k)) {
// V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
// pos_plus_end = pos.sen;
// } else if (TMR3_COUNT_DEADZONE < TMR_FREQ_5k) {
// V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
// pos_minus_end = pos.sen;
// } else if (TMR3_COUNT_DEADZONE == TMR_FREQ_5k) need_enc_init = false;
// temp_time = TMR_FREQ_5k;
// }
//
// if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + TMR_FREQ_5k)) {
// V_out = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen);
// VALVE_CENTER = VALVE_DEADZONE_PLUS = VALVE_DEADZONE_MINUS = 0;
//
// } else if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + (int) (1.9f * (float) TMR_FREQ_5k))) {
// V_out = 0;
// CUR_VELOCITY_sum += CUR_VELOCITY;
// } else if (TMR3_COUNT_DEADZONE == (temp_time + 2 * TMR_FREQ_5k)) {
// if (CUR_VELOCITY_sum == 0) DZ_dir = 1;
// else if (CUR_VELOCITY_sum > 0) DZ_dir = 1;
// else if (CUR_VELOCITY_sum < 0) DZ_dir = -1;
// else DZ_temp_cnt2 = DZ_end;
// CUR_VELOCITY_sum = 0;
// } else if (TMR3_COUNT_DEADZONE > (temp_time + 2 * TMR_FREQ_5k)) {
// if (TMR3_COUNT_DEADZONE > (temp_time + 10 * TMR_FREQ_5k)) DZ_temp_cnt2 = DZ_end;
//
// // Position of Dead Zone
// // (CUR_VELOCITY < 0) (CUR_VELOCITY == 0) (CUR_VELOCITY > 0)
// // | / | / |/
// // | ______/ ___|___/ ______/|
// // |/ / | / |
// // /| / | / |
// // 0V 0V 0V
//
// if (DZ_temp_cnt2 < DZ_end) {
// if (TMR3_COUNT_DEADZONE % 20 != 0) {
// CUR_VELOCITY_sum += CUR_VELOCITY;
// } else {
// V_out -= DZ_dir;
// if (CUR_VELOCITY_sum * DZ_dir < 0) DZ_temp_cnt++;
// CUR_VELOCITY_sum = 0;
// }
// if (DZ_temp_cnt == 5) {
// if (DZ_dir >= 0) VALVE_DEADZONE_MINUS = (int16_t) V_out;
// else VALVE_DEADZONE_PLUS = (int16_t) V_out;
// DZ_dir = -DZ_dir;
// DZ_temp_cnt = 0;
// DZ_temp_cnt2++;
// }
// } else {
// TMR3_COUNT_DEADZONE = -1;
// VALVE_CENTER = VALVE_DEADZONE_PLUS / 2 + VALVE_DEADZONE_MINUS / 2;
// if (VALVE_DEADZONE_PLUS < VALVE_DEADZONE_MINUS) {
// VALVE_DEADZONE_PLUS = VALVE_CENTER;
// VALVE_DEADZONE_MINUS = VALVE_CENTER;
// }
// V_out = 0;
//
// ROM_RESET_DATA();
//
// //spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, VALVE_DEADZONE_PLUS);
// //spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, VALVE_DEADZONE_MINUS);
//
// CONTROL_MODE = MODE_NO_ACT;
// DZ_temp_cnt2 = 0;
// }
// }
// TMR3_COUNT_DEADZONE++;
// break;
// }
case MODE_FIND_HOME: {
if (FINDHOME_STAGE == FINDHOME_INIT) {
cnt_findhome = 0;
cnt_vel_findhome = 0;
//REFERENCE_MODE = MODE_REF_NO_ACT; // Stop taking reference data from PODO
pos.ref = pos.sen;
vel.ref = 0.0f;
FINDHOME_STAGE = FINDHOME_GOTOLIMIT;
} else if (FINDHOME_STAGE == FINDHOME_GOTOLIMIT) {
int cnt_check_enc = (TMR_FREQ_5k/20);
if(cnt_findhome%cnt_check_enc == 0) {
FINDHOME_POSITION = pos.sen;
FINDHOME_VELOCITY = FINDHOME_POSITION - FINDHOME_POSITION_OLD;
FINDHOME_POSITION_OLD = FINDHOME_POSITION;
}
cnt_findhome++;
if (abs(FINDHOME_VELOCITY) <= 1) {
cnt_vel_findhome = cnt_vel_findhome + 1;
} else {
cnt_vel_findhome = 0;
}
if ((cnt_vel_findhome < 3*TMR_FREQ_5k) && cnt_findhome < 10*TMR_FREQ_5k) { // wait for 3sec
//REFERENCE_MODE = MODE_REF_NO_ACT;
if (HOMEPOS_OFFSET > 0) pos.ref = pos.ref + 12.0f;
else pos.ref = pos.ref - 12.0f;
// pos.err = pos.ref_home_pos - pos.sen;
// float VALVE_POS_RAW_POS_FB = 0.0f;
// VALVE_POS_RAW_POS_FB = (float) P_GAIN_JOINT_POSITION * pos.err/(float) ENC_PULSE_PER_POSITION * 0.01f;
// valve_pos.ref = VALVE_POS_RAW_POS_FB + (float) VALVE_CENTER;
// VALVE_POS_CONTROL(valve_pos.ref);
CONTROL_MODE = MODE_JOINT_CONTROL;
alpha_trans = 0.0f;
} else {
ENC_SET(HOMEPOS_OFFSET);
// ENC_SET_ZERO();
INIT_REF_POS = HOMEPOS_OFFSET;
REF_POSITION = 0;
REF_VELOCITY = 0;
FINDHOME_POSITION = 0;
FINDHOME_POSITION_OLD = 0;
FINDHOME_VELOCITY = 0;
cnt_findhome = 0;
cnt_vel_findhome = 0;
FINDHOME_STAGE = FINDHOME_ZEROPOSE;
cnt_findhome = 0;
pos.ref = 0.0f;
vel.ref = 0.0f;
pos.ref_home_pos = 0.0f;
vel.ref_home_pos = 0.0f;
//FINDHOME_STAGE = FINDHOME_INIT;
//CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
}
} else if (FINDHOME_STAGE == FINDHOME_ZEROPOSE) {
int T_move = 2*TMR_FREQ_5k;
pos.ref = (0.0f - (float)INIT_REF_POS)*0.5f*(1.0f - cos(3.14159f * (float)cnt_findhome / (float)T_move)) + (float)INIT_REF_POS;
//pos.ref = 0.0f;
vel.ref = 0.0f;
// input for position control
// CONTROL_MODE = MODE_JOINT_CONTROL;
alpha_trans = 0.0f;
double torq_ref = 0.0f;
pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) {
double I_REF_POS = 0.0f;
double I_REF_FORCE_FB = 0.0f; // I_REF by Force Feedback
double I_REF_VC = 0.0f; // I_REF for velocity compensation
double temp_vel_pos = 0.0f;
double temp_vel_torq = 0.0f;
double wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control
if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION) * 3.14159f / 180.0f; // rad/s
// L when P-gain = 100, f_cut = 10Hz L feedforward velocity
} else if ((OPERATING_MODE & 0x01) == 1) {
temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION); // mm/s
// L when P-gain = 100, f_cut = 10Hz L feedforward velocity
}
if (temp_vel_pos > 0.0f) I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
else I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));
I_REF = I_REF_POS;
} else {
float VALVE_POS_RAW_FORCE_FB = 0.0f;
VALVE_POS_RAW_FORCE_FB = DDV_JOINT_POS_FF(vel.sen) + (P_GAIN_JOINT_POSITION * 0.01f * pos.err + DDV_JOINT_POS_FF(vel.ref));
if (VALVE_POS_RAW_FORCE_FB >= 0) {
valve_pos.ref = VALVE_POS_RAW_FORCE_FB + VALVE_DEADZONE_PLUS;
} else {
valve_pos.ref = VALVE_POS_RAW_FORCE_FB + VALVE_DEADZONE_MINUS;
}
VALVE_POS_CONTROL(valve_pos.ref);
V_out = (float) Vout.ref;
}
// pos.err = pos.ref - (float)pos.sen;
// float VALVE_POS_RAW_POS_FB = 0.0f;
// VALVE_POS_RAW_POS_FB = (float) P_GAIN_JOINT_POSITION * 0.01f * pos.err/(float) ENC_PULSE_PER_POSITION;
// valve_pos.ref = VALVE_POS_RAW_POS_FB + (float) VALVE_CENTER;
// VALVE_POS_CONTROL(valve_pos.ref);
cnt_findhome++;
if (cnt_findhome >= T_move) {
//REFERENCE_MODE = MODE_REF_DIRECT;
cnt_findhome = 0;
pos.ref = 0.0f;
vel.ref = 0.0f;
pos.ref_home_pos = 0.0f;
vel.ref_home_pos = 0.0f;
FINDHOME_STAGE = FINDHOME_INIT;
CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
}
}
break;
}
// case MODE_VALVE_GAIN_SETTING: {
// if (TMR3_COUNT_FLOWRATE == 0) {
// if (pos_plus_end == pos_minus_end) need_enc_init = true;
// else {
// V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
// temp_time = (int) (0.5f * (float) TMR_FREQ_5k);
// }
// }
// if (need_enc_init) {
// if (TMR3_COUNT_FLOWRATE < (int) (0.5f * (float) TMR_FREQ_5k)) {
// V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
// pos_plus_end = pos.sen;
// } else if (TMR3_COUNT_FLOWRATE < TMR_FREQ_5k) {
// V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
// pos_minus_end = pos.sen;
// } else if (TMR3_COUNT_FLOWRATE == TMR_FREQ_5k) {
// need_enc_init = false;
// check_vel_pos_init = (int) (0.9f * (float) (pos_plus_end - pos_minus_end));
// check_vel_pos_fin = (int) (0.95f * (float) (pos_plus_end - pos_minus_end));
// check_vel_pos_interv = check_vel_pos_fin - check_vel_pos_init;
// }
// temp_time = TMR_FREQ_5k;
// }
// TMR3_COUNT_FLOWRATE++;
// if (TMR3_COUNT_FLOWRATE > temp_time) {
// if (flag_flowrate % 2 == 0) { // (+)
// VALVE_VOLTAGE = 1000.0f * (float) (flag_flowrate / 2 + 1);
// V_out = VALVE_VOLTAGE;
// if (pos.sen > (pos_minus_end + check_vel_pos_init) && pos.sen < (pos_minus_end + check_vel_pos_fin)) {
// fl_temp_cnt++;
// } else if (pos.sen >= (pos_minus_end + check_vel_pos_fin) && CUR_VELOCITY == 0) {
// VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873f * 0.5757f * (float) TMR_FREQ_5k / 10000.0 * (float) check_vel_pos_interv / (float) fl_temp_cnt / VALVE_VOLTAGE; // 0.9587=6*pi/65536*10000 0.5757=0.02525*0.02*0.0095*2*60*1000
// // VALVE_GAIN_LPM_PER_V[flag_flowrate] = (float) TMR_FREQ_10k * (float) check_vel_pos_interv / (float) fl_temp_cnt / VALVE_VOLTAGE; // PULSE/sec
// fl_temp_cnt2++;
// }
// } else if (flag_flowrate % 2 == 1) { // (-)
// VALVE_VOLTAGE = -1. * (float) (flag_flowrate / 2 + 1);
// V_out = VALVE_VOLTAGE;
// if (pos.sen < (pos_plus_end - check_vel_pos_init) && pos.sen > (pos_plus_end - check_vel_pos_fin)) {
// fl_temp_cnt++;
// } else if (pos.sen <= (pos_plus_end - check_vel_pos_fin) && CUR_VELOCITY == 0) {
// VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873f * 0.5757f * (float) TMR_FREQ_5k / 10000.0f * (float) check_vel_pos_interv / (float) fl_temp_cnt / (-VALVE_VOLTAGE);
// // VALVE_GAIN_LPM_PER_V[flag_flowrate] = (float) TMR_FREQ_10k * (float) check_vel_pos_interv / (float) fl_temp_cnt / (-VALVE_VOLTAGE); // PULSE/sec
// fl_temp_cnt2++;
// }
// }
// if (fl_temp_cnt2 == 100) {
//
// ROM_RESET_DATA();
//
// //spi_eeprom_write(RID_VALVE_GAIN_PLUS_1 + flag_flowrate, (int16_t) (VALVE_GAIN_LPM_PER_V[flag_flowrate] * 100.0f));
// cur_vel_sum = 0;
// fl_temp_cnt = 0;
// fl_temp_cnt2 = 0;
// flag_flowrate++;
// }
// if (flag_flowrate == 10) {
// V_out = 0;
// flag_flowrate = 0;
// TMR3_COUNT_FLOWRATE = 0;
// valve_gain_repeat_cnt++;
// if (valve_gain_repeat_cnt >= 1) {
// CONTROL_MODE = MODE_NO_ACT;
// valve_gain_repeat_cnt = 0;
// }
//
// }
// break;
// }
//
// }
case MODE_PRESSURE_SENSOR_NULLING: {
// DAC Voltage reference set
if (TMR3_COUNT_PRES_NULL < TMR_FREQ_5k * 2) {
CUR_PRES_A_sum += pres_A.sen;
CUR_PRES_B_sum += pres_B.sen;
if (TMR3_COUNT_PRES_NULL % 10 == 0) {
CUR_PRES_A_mean = CUR_PRES_A_sum / 10.0f;
CUR_PRES_B_mean = CUR_PRES_B_sum / 10.0f;
CUR_PRES_A_sum = 0;
CUR_PRES_B_sum = 0;
float VREF_NullingGain = 0.0003f;
PRES_A_VREF = PRES_A_VREF + VREF_NullingGain * CUR_PRES_A_mean;
PRES_B_VREF = PRES_B_VREF + VREF_NullingGain * CUR_PRES_B_mean;
if (PRES_A_VREF > 3.3f) PRES_A_VREF = 3.3f;
if (PRES_A_VREF < 0.0f) PRES_A_VREF = 0.0f;
if (PRES_B_VREF > 3.3f) PRES_B_VREF = 3.3f;
if (PRES_B_VREF < 0.0f) PRES_B_VREF = 0.0f;
dac_1 = PRES_A_VREF / 3.3f;
dac_2 = PRES_B_VREF / 3.3f;
}
} else {
CONTROL_UTILITY_MODE = MODE_NO_ACT;
TMR3_COUNT_PRES_NULL = 0;
CUR_PRES_A_sum = 0;
CUR_PRES_B_sum = 0;
CUR_PRES_A_mean = 0;
CUR_PRES_B_mean = 0;
// ROM_RESET_DATA();
spi_eeprom_write(RID_PRES_A_SENSOR_VREF, (int16_t) (PRES_A_VREF * 1000.0f));
spi_eeprom_write(RID_PRES_B_SENSOR_VREF, (int16_t) (PRES_B_VREF * 1000.0f));
dac_1 = PRES_A_VREF / 3.3f;
dac_2 = PRES_B_VREF / 3.3f;
//pc.printf("nulling end");
}
TMR3_COUNT_PRES_NULL++;
break;
}
// case MODE_PRESSURE_SENSOR_CALIB: {
// if (TMR3_COUNT_PRES_CALIB < 2 * TMR_FREQ_5k) {
// V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
// if (TMR3_COUNT_PRES_CALIB >= TMR_FREQ_5k) {
// CUR_PRES_A_sum += CUR_PRES_A;
// }
// } else if (TMR3_COUNT_PRES_CALIB < 4 * TMR_FREQ_5k) {
// V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
// if (TMR3_COUNT_PRES_CALIB >= 3 * TMR_FREQ_5k) {
// CUR_PRES_B_sum += CUR_PRES_B;
// }
// } else {
// CONTROL_MODE = MODE_NO_ACT;
// TMR3_COUNT_PRES_CALIB = 0;
// V_out = 0;
// PRES_SENSOR_A_PULSE_PER_BAR = CUR_PRES_A_sum / ((float) TMR_FREQ_5k - 1.0f) - PRES_A_NULL;
// PRES_SENSOR_A_PULSE_PER_BAR = PRES_SENSOR_A_PULSE_PER_BAR / ((float) PRES_SUPPLY - 1.0f);
// PRES_SENSOR_B_PULSE_PER_BAR = CUR_PRES_B_sum / ((float) TMR_FREQ_5k - 1.0f) - PRES_B_NULL;
// PRES_SENSOR_B_PULSE_PER_BAR = PRES_SENSOR_B_PULSE_PER_BAR / ((float) PRES_SUPPLY - 1.0f);
// CUR_PRES_A_sum = 0;
// CUR_PRES_B_sum = 0;
// CUR_PRES_A_mean = 0;
// CUR_PRES_B_mean = 0;
//
// ROM_RESET_DATA();
//
// //spi_eeprom_write(RID_PRES_SENSOR_A_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_A_PULSE_PER_BAR * 100.0f));
// //spi_eeprom_write(RID_PRES_SENSOR_B_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_B_PULSE_PER_BAR * 100.0f));
// }
// TMR3_COUNT_PRES_CALIB++;
// break;
// }
// case MODE_ROTARY_FRICTION_TUNING: {
// if (TMR3_COUNT_ROTARY_FRIC_TUNE % (5 * TMR_FREQ_5k) == 0) freq_fric_tune = 4.0f + 3.0f * sin(2 * 3.14159f * 0.5f * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001f * 0.05f);
// V_out = PWM_out * sin(2 * 3.14159f * freq_fric_tune * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001f);
// if (V_out > 0) V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
// else V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
// TMR3_COUNT_ROTARY_FRIC_TUNE++;
// if (TMR3_COUNT_ROTARY_FRIC_TUNE > TUNING_TIME * TMR_FREQ_5k) {
// TMR3_COUNT_ROTARY_FRIC_TUNE = 0;
// V_out = 0.0f;
// CONTROL_MODE = MODE_NO_ACT;
// }
// break;
// }
case MODE_DDV_POS_VS_PWM_ID: {
CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
VALVE_ID_timer = VALVE_ID_timer + 1;
if(VALVE_ID_timer < TMR_FREQ_5k*1) {
Vout.ref = 3000.0f * sin(2.0f*3.14f*VALVE_ID_timer/TMR_FREQ_5k * 100.0f);
} else if(VALVE_ID_timer < TMR_FREQ_5k*2) {
Vout.ref = 1000.0f*(ID_index_array[ID_index]);
} else if(VALVE_ID_timer == TMR_FREQ_5k*2) {
VALVE_POS_TMP = 0;
data_num = 0;
} else if(VALVE_ID_timer < TMR_FREQ_5k*3) {
data_num = data_num + 1;
VALVE_POS_TMP = VALVE_POS_TMP + value;
} else if(VALVE_ID_timer == TMR_FREQ_5k*3) {
Vout.ref = 0.0f;
} else {
VALVE_POS_AVG[ID_index] = VALVE_POS_TMP / data_num;
VALVE_ID_timer = 0;
ID_index= ID_index +1;
}
if(ID_index>=25) {
int i;
VALVE_POS_AVG_OLD = VALVE_POS_AVG[0];
for(i=0; i<25; i++) {
VALVE_POS_VS_PWM[i] = (int16_t) (VALVE_POS_AVG[i]);
if(VALVE_POS_AVG[i] > VALVE_POS_AVG_OLD) {
VALVE_MAX_POS = VALVE_POS_AVG[i];
VALVE_POS_AVG_OLD = VALVE_MAX_POS;
} else if(VALVE_POS_AVG[i] < VALVE_POS_AVG_OLD) {
VALVE_MIN_POS = VALVE_POS_AVG[i];
VALVE_POS_AVG_OLD = VALVE_MIN_POS;
}
}
// ROM_RESET_DATA();
spi_eeprom_write(RID_VALVE_MAX_POS, (int16_t) VALVE_MAX_POS);
spi_eeprom_write(RID_VALVE_MIN_POS, (int16_t) VALVE_MIN_POS);
for(int i=0; i<25; i++) {
spi_eeprom_write(RID_VALVE_POS_VS_PWM_0 + i, (int16_t) VALVE_POS_VS_PWM[i]);
}
ID_index = 0;
CONTROL_UTILITY_MODE = MODE_NO_ACT;
}
break;
}
case MODE_DDV_DEADZONE_AND_CENTER: {
CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
VALVE_DZ_timer = VALVE_DZ_timer + 1;
if(first_check == 0) {
if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
} else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
pos_plus_end = pos.sen;
} else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
} else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
pos_minus_end = pos.sen;
} else if(VALVE_DZ_timer < (int) (3.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
} else if(VALVE_DZ_timer < (int) (4.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
data_num = data_num + 1;
VALVE_POS_TMP = VALVE_POS_TMP + value;
} else if(VALVE_DZ_timer == (int) (4.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
DDV_POS_AVG = VALVE_POS_TMP / data_num;
START_POS = pos.sen;
VALVE_POS_TMP = 0;
data_num = 0;
} else if(VALVE_DZ_timer < (int) (5.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = DDV_POS_AVG;
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer < (int) (6.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = DDV_POS_AVG;
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer == (int) (6.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = DDV_POS_AVG;
VALVE_POS_CONTROL(valve_pos.ref);
FINAL_POS = pos.sen;
if((FINAL_POS - START_POS)>200) {
DZ_case = 1;
} else if((FINAL_POS - START_POS)<-200) {
DZ_case = -1;
} else {
DZ_case = 0;
}
CAN_TX_PRES((int16_t) (DZ_case), (int16_t) (6));
first_check = 1;
DZ_DIRECTION = 1;
VALVE_DZ_timer = 0;
Ref_Valve_Pos_Old = DDV_POS_AVG;
DZ_NUM = 1;
DZ_index = 1;
}
} else {
if((DZ_case == -1 && DZ_NUM == 1) | (DZ_case == 1 && DZ_NUM == 1)) {
if(VALVE_DZ_timer < (int) (1.0 * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
//pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
//CONTROL_MODE = MODE_JOINT_CONTROL;
} else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
START_POS = pos.sen;
} else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = Ref_Valve_Pos_Old - DZ_case * DZ_DIRECTION * 64 / DZ_index;
if(valve_pos.ref <= VALVE_MIN_POS) {
valve_pos.ref = VALVE_MIN_POS;
} else if(valve_pos.ref >= VALVE_MAX_POS) {
valve_pos.ref = VALVE_MAX_POS;
}
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Ref_Valve_Pos_Old = valve_pos.ref;
FINAL_POS = pos.sen;
if((FINAL_POS - START_POS)>100) {
DZ_DIRECTION = 1 * DZ_case;
} else if((FINAL_POS - START_POS)<-100) {
DZ_DIRECTION = -1 * DZ_case;
} else {
DZ_DIRECTION = 1 * DZ_case;
}
VALVE_DZ_timer = 0;
DZ_index= DZ_index *2;
if(DZ_index >= 128) {
FIRST_DZ = valve_pos.ref;
DZ_NUM = 2;
Ref_Valve_Pos_Old = FIRST_DZ;
DZ_index = 1;
DZ_DIRECTION = 1;
}
}
} else if((DZ_case == -1 && DZ_NUM == 2) | (DZ_case == 1 && DZ_NUM == 2)) {
if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
//pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
//CONTROL_MODE = MODE_JOINT_CONTROL;
} else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
START_POS = pos.sen;
} else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = Ref_Valve_Pos_Old - DZ_case * DZ_DIRECTION * 64 / DZ_index;
if(valve_pos.ref <= VALVE_MIN_POS) {
valve_pos.ref = VALVE_MIN_POS;
} else if(valve_pos.ref >= VALVE_MAX_POS) {
valve_pos.ref = VALVE_MAX_POS;
}
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Vout.ref = 0.0f;
} else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
Ref_Valve_Pos_Old = valve_pos.ref;
FINAL_POS = pos.sen;
if((FINAL_POS - START_POS)>100) {
DZ_DIRECTION = 1 * DZ_case;
} else if((FINAL_POS - START_POS)<-100) {
DZ_DIRECTION = -1 * DZ_case;
} else {
DZ_DIRECTION = -1 * DZ_case;
}
VALVE_DZ_timer = 0;
DZ_index= DZ_index * 2;
if(DZ_index >= 128) {
SECOND_DZ = valve_pos.ref;
VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
first_check = 0;
VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
VALVE_DEADZONE_PLUS = (float) SECOND_DZ;
// ROM_RESET_DATA();
spi_eeprom_write(RID_VALVE_CNETER, (int16_t) VALVE_CENTER);
spi_eeprom_write(RID_VALVE_MAX_POS, (int16_t) VALVE_MAX_POS);
spi_eeprom_write(RID_VALVE_MIN_POS, (int16_t) VALVE_MIN_POS);
CONTROL_UTILITY_MODE = MODE_NO_ACT;
DZ_index = 1;
}
}
} else if(DZ_case == 0 && DZ_NUM ==1) {
if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
//pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
//CONTROL_MODE = MODE_JOINT_CONTROL;
} else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
START_POS = pos.sen;
} else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = Ref_Valve_Pos_Old - DZ_DIRECTION * 64 / DZ_index;
if(valve_pos.ref <= VALVE_MIN_POS) {
valve_pos.ref = VALVE_MIN_POS;
} else if(valve_pos.ref >= VALVE_MAX_POS) {
valve_pos.ref = VALVE_MAX_POS;
}
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Ref_Valve_Pos_Old = valve_pos.ref;
FINAL_POS = pos.sen;
if((FINAL_POS - START_POS)>100) {
DZ_DIRECTION = 1;
} else if((FINAL_POS - START_POS)<-100) {
DZ_DIRECTION = -1;
} else {
DZ_DIRECTION = 1;
}
VALVE_DZ_timer = 0;
DZ_index= DZ_index *2;
if(DZ_index >= 128) {
FIRST_DZ = valve_pos.ref;
DZ_NUM = 2;
Ref_Valve_Pos_Old = FIRST_DZ;
DZ_index = 1;
DZ_DIRECTION = 1;
}
}
} else {
if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
//pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
//CONTROL_MODE = MODE_JOINT_CONTROL;
} else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
START_POS = pos.sen;
} else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = Ref_Valve_Pos_Old + DZ_DIRECTION * 64 / DZ_index;
if(valve_pos.ref <= VALVE_MIN_POS) {
valve_pos.ref = VALVE_MIN_POS;
} else if(valve_pos.ref > VALVE_MAX_POS) {
valve_pos.ref = VALVE_MAX_POS - 1;
}
VALVE_POS_CONTROL(valve_pos.ref);
} else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Vout.ref = 0.0f;
} else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
Ref_Valve_Pos_Old = valve_pos.ref;
FINAL_POS = pos.sen;
if((FINAL_POS - START_POS)>100) {
DZ_DIRECTION = 1;
} else if((FINAL_POS - START_POS)<-100) {
DZ_DIRECTION = -1;
} else {
DZ_DIRECTION = 1;
}
VALVE_DZ_timer = 0;
DZ_index= DZ_index *2;
if(DZ_index >= 128) {
SECOND_DZ = valve_pos.ref;
VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
first_check = 0;
VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
VALVE_DEADZONE_PLUS = (float) SECOND_DZ;
// ROM_RESET_DATA();
spi_eeprom_write(RID_VALVE_CNETER, (int16_t) VALVE_CENTER);
spi_eeprom_write(RID_VALVE_MAX_POS, (int16_t) VALVE_MAX_POS);
spi_eeprom_write(RID_VALVE_MIN_POS, (int16_t) VALVE_MIN_POS);
CONTROL_UTILITY_MODE = MODE_NO_ACT;
DZ_index = 1;
}
}
}
}
break;
}
case MODE_DDV_POS_VS_FLOWRATE: {
CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
VALVE_FR_timer = VALVE_FR_timer + 1;
if(first_check == 0) {
if(VALVE_FR_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
//CAN_TX_PRES((int16_t) (VALVE_FR_timer), (int16_t) (6));
} else if(VALVE_FR_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
pos_plus_end = pos.sen;
// CAN_TX_PRES((int16_t) (V_out), (int16_t) (7));
} else if(VALVE_FR_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
} else if(VALVE_FR_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
// CAN_TX_PRES((int16_t) (V_out), (int16_t) (8));
Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
pos_minus_end = pos.sen;
first_check = 1;
VALVE_FR_timer = 0;
valve_pos.ref = (float) VALVE_CENTER;
ID_index = 0;
max_check = 0;
min_check = 0;
}
} else {
if(VALVE_FR_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
//V_out = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
CONTROL_MODE = MODE_JOINT_CONTROL;
} else if(VALVE_FR_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
data_num = 0;
valve_pos.ref = 10.0f*((float) ID_index_array[ID_index]) + (float) VALVE_CENTER;
VALVE_POS_CONTROL(valve_pos.ref);
START_POS = pos.sen;
} else if(VALVE_FR_timer < (int) (5.0f * (float) TMR_FREQ_5k)) {
valve_pos.ref = 10.0f*((float) ID_index_array[ID_index]) + (float) VALVE_CENTER;
VALVE_POS_CONTROL(valve_pos.ref);
data_num = data_num + 1;
if(abs(0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen) > 20000.0f) {
FINAL_POS = pos.sen;
one_period_end = 1;
}
} else if(VALVE_FR_timer == (int) (5.0f * (float) TMR_FREQ_5k)) {
FINAL_POS = pos.sen;
one_period_end = 1;
V_out = 0.0f;
}
if(one_period_end == 1) {
if(valve_pos.ref > VALVE_MAX_POS) {
max_check = 1;
} else if(valve_pos.ref < VALVE_MIN_POS) {
min_check = 1;
}
JOINT_VEL[ID_index] = (FINAL_POS - START_POS) / data_num * TMR_FREQ_5k; // pulse/sec
VALVE_FR_timer = 0;
one_period_end = 0;
ID_index= ID_index +1;
V_out = 0.0f;
}
if(max_check == 1 && min_check == 1) {
VALVE_POS_NUM = ID_index;
// ROM_RESET_DATA();
for(int i=0; i<100; i++) {
spi_eeprom_write(RID_VALVE_POS_VS_FLOWRATE_0 + i, (int16_t) (JOINT_VEL[i] & 0xFFFF));
spi_eeprom_write(RID_VALVE_POS_VS_FLOWRATE_0_1 + i, (int16_t) ((JOINT_VEL[i] >> 16) & 0xFFFF));
}
ID_index = 0;
first_check = 0;
VALVE_FR_timer = 0;
CONTROL_UTILITY_MODE = MODE_NO_ACT;
// CAN_TX_PRES((int16_t) (VALVE_FR_timer), (int16_t) (6));
}
}
break;
}
case MODE_SYSTEM_ID: {
freq_sysid_Iref = (double) cnt_sysid * DT_TMR3 * 3.0f;
valve_pos.ref = 2500.0f * sin(2.0f * 3.14159f * freq_sysid_Iref * (double) cnt_sysid * DT_TMR3);
CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
cnt_sysid++;
if (freq_sysid_Iref >= 300) {
cnt_sysid = 0;
CONTROL_UTILITY_MODE = MODE_NO_ACT;
}
break;
}
case MODE_FREQ_TEST: {
float valve_pos_ref = 2500.0f * sin(2.0f * 3.141592f * freq_test_valve_ref * (float) cnt_freq_test * DT_TMR3);
if(valve_pos_ref >= 0) {
valve_pos.ref = (double)VALVE_CENTER + (double)valve_pos_ref * ((double)VALVE_MAX_POS-(double)VALVE_CENTER)/10000.0f;
} else {
valve_pos.ref = (double)VALVE_CENTER - (double)valve_pos_ref * ((double)VALVE_MIN_POS-(double)VALVE_CENTER)/10000.0f;
}
ref_array[cnt_freq_test] = valve_pos_ref;
if(value>=(float) VALVE_CENTER) {
pos_array[cnt_freq_test] = 10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
pos_array[cnt_freq_test] = -10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
CONTROL_MODE = MODE_VALVE_POSITION_CONTROL;
cnt_freq_test++;
if (freq_test_valve_ref * (float) cnt_freq_test * DT_TMR3 > 2) {
buffer_data_size = cnt_freq_test;
cnt_freq_test = 0;
cnt_send_buffer = 0;
freq_test_valve_ref = freq_test_valve_ref * 1.05f;
if (freq_test_valve_ref >= 400) {
CONTROL_UTILITY_MODE = MODE_NO_ACT;
CONTROL_MODE = MODE_NO_ACT;
CAN_TX_PWM((int16_t) (1)); //1300
}
CONTROL_MODE = MODE_NO_ACT;
CONTROL_UTILITY_MODE = MODE_SEND_OVER;
}
break;
}
case MODE_SEND_BUFFER: {
// if (TMR2_COUNT_CAN_TX % (int) ((int) TMR_FREQ_5k/CAN_FREQ) == 0) {
// CAN_TX_PRES((int16_t) (pos_array[cnt_send_buffer]), (int16_t) (ref_array[cnt_send_buffer])); // 1400
// if(cnt_send_buffer>=buffer_data_size) {
// CONTROL_UTILITY_MODE = MODE_FREQ_TEST;
// }
// cnt_send_buffer++;
// }
break;
}
case MODE_SEND_OVER: {
CAN_TX_TORQUE((int16_t) (buffer_data_size)); //1300
CONTROL_UTILITY_MODE = MODE_NO_ACT;
CONTROL_MODE = MODE_NO_ACT;
break;
}
case MODE_STEP_TEST: {
float valve_pos_ref = 0.0f;
if (cnt_step_test < (int) (1.0f * (float) TMR_FREQ_5k)) {
valve_pos_ref = 0.0f;
} else {
valve_pos_ref = 10000.0f;
}
if(valve_pos_ref >= 0) {
valve_pos.ref = (double)VALVE_CENTER + (double)valve_pos_ref * ((double)VALVE_MAX_POS-(double)VALVE_CENTER)/10000.0f;
} else {
valve_pos.ref = (double)VALVE_CENTER - (double)valve_pos_ref * ((double)VALVE_MIN_POS-(double)VALVE_CENTER)/10000.0f;
}
ref_array[cnt_step_test] = valve_pos_ref;
if(value>=(float) VALVE_CENTER) {
pos_array[cnt_step_test] = 10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
pos_array[cnt_step_test] = -10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
CONTROL_MODE = MODE_VALVE_POSITION_CONTROL;
cnt_step_test++;
if (cnt_step_test > (int) (2.0f * (float) TMR_FREQ_5k)) {
buffer_data_size = cnt_step_test;
cnt_step_test = 0;
cnt_send_buffer = 0;
CONTROL_UTILITY_MODE = MODE_SEND_OVER;
CONTROL_MODE = MODE_NO_ACT;
}
// if (cnt_step_test > (int) (2.0f * (float) TMR_FREQ_5k))
// {
// CONTROL_UTILITY_MODE = MODE_NO_ACT;
// CONTROL_MODE = MODE_NO_ACT;
// CAN_TX_PWM((int16_t) (1)); //1300
// }
break;
}
default:
break;
}
// CONTROL MODE ------------------------------------------------------------
switch (CONTROL_MODE) {
case MODE_NO_ACT: {
V_out = 0.0f;
break;
}
case MODE_VALVE_POSITION_CONTROL: {
if (OPERATING_MODE == 5) { //SW Valve
VALVE_POS_CONTROL(valve_pos.ref);
V_out = Vout.ref;
} else if (CURRENT_CONTROL_MODE == 0) { //PWM
V_out = valve_pos.ref;
} else {
I_REF = valve_pos.ref * 0.001f;
}
break;
}
case MODE_JOINT_CONTROL: {
double torq_ref = 0.0f;
pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
//K & D Low Pass Filter
float alpha_K_D = 1.0f/(1.0f + 5000.0f/(2.0f*3.14f*30.0f)); // f_cutoff : 30Hz
K_LPF = K_LPF*(1.0f-alpha_K_D)+K_SPRING*(alpha_K_D);
D_LPF = D_LPF*(1.0f-alpha_K_D)+D_DAMPER*(alpha_K_D);
// torq_ref = torq.ref + K_LPF * pos.err - D_LPF * vel.sen / ENC_PULSE_PER_POSITION; //[N]
torq_ref = torq.ref;
// torque feedback
torq.err = torq_ref - torq.sen; //[N]
torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]
if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) {
double I_REF_POS = 0.0f;
double I_REF_FORCE_FB = 0.0f; // I_REF by Force Feedback
double I_REF_VC = 0.0f; // I_REF for velocity compensation
double temp_vel_pos = 0.0f;
double temp_vel_torq = 0.0f;
double wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control
if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION) * PI / 180.0f; // rad/s
// L when P-gain = 100, f_cut = 10Hz L feedforward velocity
} else if ((OPERATING_MODE & 0x01) == 1) {
temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION); // mm/s
// L when P-gain = 100, f_cut = 10Hz L feedforward velocity
}
if (temp_vel_pos > 0.0f) I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
else I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));
// velocity compensation for torque control
if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
I_REF_FORCE_FB = 0.001f * ((double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum);
// temp_vel_torq = (0.01 * (double) VELOCITY_COMP_GAIN * (double) CUR_VELOCITY / (double) ENC_PULSE_PER_POSITION) * PI / 180.0; // rad/s
temp_vel_torq = (0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / (double) ENC_PULSE_PER_POSITION) * PI / 180.0f; // rad/s
// L feedforward velocity
} else if ((OPERATING_MODE & 0x01) == 1) {
I_REF_FORCE_FB = 0.001f * 0.01f*((double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum); // Linear Actuators are more sensitive.
// temp_vel_torq = (0.01 * (double) VELOCITY_COMP_GAIN * (double) CUR_VELOCITY / (double) ENC_PULSE_PER_POSITION); // mm/s
temp_vel_torq = (0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / (double) ENC_PULSE_PER_POSITION); // mm/s
// L feedforward velocity
}
if (temp_vel_torq > 0.0f) I_REF_VC = temp_vel_torq * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
else I_REF_VC = temp_vel_torq * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));
// L velocity(rad/s or mm/s) >> I_ref(mA)
// Ref_Joint_FT_dot = (Ref_Joint_FT_Nm - Ref_Joint_FT_Nm_old) / TMR_DT_5k;
// Ref_Joint_FT_Nm_old = Ref_Joint_FT_Nm;
I_REF = (1.0f - alpha_trans) * I_REF_POS + alpha_trans * (I_REF_VC + I_REF_FORCE_FB);
// Anti-windup for FT
if (I_GAIN_JOINT_TORQUE != 0) {
double I_MAX = 10.0f; // Maximum Current : 10mV
double Ka = 2.0f / ((double) I_GAIN_JOINT_TORQUE * 0.001f);
if (I_REF > I_MAX) {
double I_rem = I_REF - I_MAX;
I_rem = Ka*I_rem;
I_REF = I_MAX;
torq.err_sum = torq.err_sum - I_rem /(float) TMR_FREQ_5k;
} else if (I_REF < -I_MAX) {
double I_rem = I_REF - (-I_MAX);
I_rem = Ka*I_rem;
I_REF = -I_MAX;
torq.err_sum = torq.err_sum - I_rem /(float) TMR_FREQ_5k;
}
}
} else {
float VALVE_POS_RAW_FORCE_FB = 0.0f;
float VALVE_POS_RAW_FORCE_FF = 0.0f;
float VALVE_POS_RAW = 0.0f;
VALVE_POS_RAW_FORCE_FB = alpha_trans*(((float) P_GAIN_JOINT_TORQUE * torq.err + (float) I_GAIN_JOINT_TORQUE * torq.err_sum) * 0.01f
+ DDV_JOINT_POS_FF(vel.sen))+ (1.0f-alpha_trans) * (P_GAIN_JOINT_POSITION * 0.01f * pos.err + DDV_JOINT_POS_FF(vel.ref));
VALVE_POS_RAW_FORCE_FF = P_GAIN_JOINT_TORQUE_FF * torq_ref * 0.001f + D_GAIN_JOINT_TORQUE_FF * (torq_ref - torq_ref_past) * 0.0001f;
VALVE_POS_RAW = VALVE_POS_RAW_FORCE_FB + VALVE_POS_RAW_FORCE_FF;
if (VALVE_POS_RAW >= 0) {
valve_pos.ref = VALVE_POS_RAW + VALVE_DEADZONE_PLUS;
} else {
valve_pos.ref = VALVE_POS_RAW + VALVE_DEADZONE_MINUS;
}
if(I_GAIN_JOINT_TORQUE != 0) {
double Ka = 2.0f / (double) I_GAIN_JOINT_TORQUE * 100.0f;
if(valve_pos.ref>VALVE_MAX_POS) {
double valve_pos_rem = valve_pos.ref - VALVE_MAX_POS;
valve_pos_rem = valve_pos_rem * Ka;
valve_pos.ref = VALVE_MAX_POS;
torq.err_sum = torq.err_sum - valve_pos_rem/(float) TMR_FREQ_5k;
} else if(valve_pos.ref < VALVE_MIN_POS) {
double valve_pos_rem = valve_pos.ref - VALVE_MIN_POS;
valve_pos_rem = valve_pos_rem * Ka;
valve_pos.ref = VALVE_MIN_POS;
torq.err_sum = torq.err_sum - valve_pos_rem/(float) TMR_FREQ_5k;
}
}
VALVE_POS_CONTROL(valve_pos.ref);
// Vout.ref = (float) P_GAIN_JOINT_POSITION * 0.01f * ((float) pos.err);
V_out = (float) Vout.ref;
}
torq_ref_past = torq_ref;
break;
}
case MODE_VALVE_OPEN_LOOP: {
V_out = (float) Vout.ref;
break;
}
case MODE_JOINT_ADAPTIVE_BACKSTEPPING: {
float Va = (1256.6f + Amm * pos.sen/(float)(ENC_PULSE_PER_POSITION)) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * x, unit : m^3
float Vb = (1256.6f + Amm * (79.0f - pos.sen/(float)(ENC_PULSE_PER_POSITION))) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * (79.0mm-x), unit : m^3
// float Va = (1256.6f + Amm * 39.5f) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * x, unit : m^3
// float Vb = (1256.6f + Amm * 39.5f) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * (79.0mm-x), unit : m^3
V_adapt = 1.0f / (1.0f/Va + 1.0f/Vb); //initial 0.0000053f
float f3 = -Amm*Amm*beta*0.000001f*0.000001f/V_adapt * vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f; // unit : N/s //xdot=10mm/s일때 -137076
float g3_prime = 0.0f;
if (torq.sen > Amm*(Ps-Pt)*0.000001f) {
g3_prime = 1.0f;
} else if (torq.sen < -Amm*(Ps-Pt)*0.000001f) {
g3_prime = -1.0f;
} else {
if ((value-VALVE_CENTER) > 0) {
g3_prime = sqrt(Ps-Pt-torq.sen/Amm*1000000.0f);
// g3_prime = sqrt(Ps-Pt);
} else {
g3_prime = sqrt(Ps-Pt+torq.sen/Amm*1000000.0f);
// g3_prime = sqrt(Ps-Pt);
}
}
float tau = 0.01f;
float K_valve = 0.0004f;
float x_v = 0.0f; //x_v : -1~1
if(value>=VALVE_CENTER) {
x_v = 1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
x_v = -1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
float f4 = -x_v/tau;
float g4 = K_valve/tau;
float torq_ref_dot = torq.ref_diff * 500.0f;
pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
torq.err = torq.ref - torq.sen; //[N]
torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]
float k3 = 20000.0f; //2000
float k4 = 10.0f;
float rho3 = 3.2f;
float rho4 = 25000000.0f;
float x_4_des = (-f3 + torq_ref_dot - k3*(-torq.err))/(gamma_hat*g3_prime);
if (x_4_des > 1) x_4_des = 1;
else if (x_4_des < -1) x_4_des = -1;
if (x_4_des > 0) {
valve_pos.ref = x_4_des * (float)(VALVE_MAX_POS - VALVE_CENTER) + (float) VALVE_CENTER;
} else {
valve_pos.ref = x_4_des * (float)(VALVE_CENTER - VALVE_MIN_POS) + (float) VALVE_CENTER;
}
float x_4_des_dot = (x_4_des - x_4_des_old)*(float) TMR_FREQ_5k;
x_4_des_old = x_4_des;
V_out = (-f4 + x_4_des_dot - k4*(x_v-x_4_des)- rho3/rho4*gamma_hat*g3_prime*(-torq.err))/g4;
float rho_gamma = 50000.0f;//5000
float gamma_hat_dot = rho3*(-torq.err)/rho_gamma*((-f3+torq_ref_dot-k3*(-torq.err))/gamma_hat + g3_prime*(x_v-x_4_des));
gamma_hat = gamma_hat + gamma_hat_dot / (float) TMR_FREQ_5k;
break;
}
case MODE_RL: {
//t.reset();
//t.start();
// if(LED == 0) LED = 1;
// else LED = 0;
if (Update_Done_Flag == 1) {
//Gather Data on each loop
// pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
// train_set_x[RL_timer] = pos.sen/(float)(ENC_PULSE_PER_POSITION)/35.0f - 1.0f; //-1.0~1.0
// train_set_error[RL_timer] = pos.err/70.0f; //-1.0~1.0
pos.err = pos.sen/(float)(ENC_PULSE_PER_POSITION) - virt_pos; //[mm]
train_set_x[RL_timer] = virt_pos/70.0f; //-1.0~1.0
train_set_error[RL_timer] = pos.err/70.0f; //-1.0~1.0
//train_set_count[RL_timer] = (float) RL_timer / (batch_size *num_batch); //-1.0~1.0
//float temp_array[3] = {train_set_x[RL_timer], train_set_error[RL_timer], train_set_count[RL_timer]};
float temp_array[2] = {train_set_x[RL_timer], train_set_error[RL_timer]};
Actor_Network(temp_array);
for (int i=0; i<num_hidden_unit1; i++) {
hx_a_sum_array[RL_timer][i] = hx_a_sum[i];
}
for (int i=0; i<num_hidden_unit2; i++) {
hxh_a_sum_array[RL_timer][i] = hxh_a_sum[i];
}
hxhh_a_sum_array[RL_timer][0] = hxhh_a_sum[0];
hxhh_a_sum_array[RL_timer][1] = hxhh_a_sum[1];
mean_array[RL_timer] = mean;
deviation_array[RL_timer] = deviation;
action_array[RL_timer] = rand_normal(mean_array[RL_timer], deviation_array[RL_timer]);
virt_pos = virt_pos + (action_array[RL_timer] - 5.0f) * 1000.0f * 0.0002f;
if (virt_pos > 70 ) {
virt_pos = 70.0f;
}else if(virt_pos < -70) {
virt_pos = -70.0f;
}
RL_timer++;
if (RL_timer >= batch_size) {
RL_timer = 0;
batch++;
for(int i=0; i<batch_size; i++) {
state_array[i][0] = train_set_x[i];
state_array[i][1] = train_set_error[i];
//state_array[i][2] = train_set_count[i];
}
Update_Case = 1;
Update_Done_Flag = 0;
logging1 = virt_pos;
if(batch >= num_batch) {
batch = 0;
RL_timer = 0;
Update_Case = 2;
Update_Done_Flag = 0;
virt_pos = 10.0f;
}
}
}
else {
pos.err = pos.sen/(float)(ENC_PULSE_PER_POSITION) - virt_pos; //[mm]
float temp_array[3] = {0.0f};
temp_array[0] = virt_pos/70.0f; //-1.0~1.0
temp_array[1] = pos.err/70.0f; //-1.0~1.0
//temp_array[2] = (float) RL_timer / (batch_size *num_batch); //-1.0~1.0
Actor_Network(temp_array);
action = rand_normal(mean, deviation);
//logging1 = action;
//logging2 = mean;
//logging4 = deviation;
virt_pos = virt_pos + (action-5.0f) * 1000.0f * 0.0002f;
if (virt_pos > 70) {
virt_pos = 70.0f;
}else if(virt_pos < -70) {
virt_pos = -70.0f;
}
logging3 = virt_pos;
}
//t.stop();
//logging1 = t.read()*1000.0f; //msec
break;
}
default:
break;
}
if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
////////////////////////////////////////////////////////////////////////////
//////////////////////////// CURRENT CONTROL //////////////////////////////
////////////////////////////////////////////////////////////////////////////
if (CURRENT_CONTROL_MODE) {
double alpha_update_Iref = 1.0f / (1.0f + 5000.0f / (2.0f * 3.14f * 300.0f)); // f_cutoff : 500Hz
I_REF_fil = (1.0f - alpha_update_Iref) * I_REF_fil + alpha_update_Iref*I_REF;
I_ERR = I_REF_fil - cur.sen;
I_ERR_INT = I_ERR_INT + (I_ERR) * 0.0002f;
// Moog Valve Current Control Gain
double R_model = 500.0f; // ohm
double L_model = 1.2f;
double w0 = 2.0f * 3.14f * 150.0f;
double KP_I = 0.1f * L_model*w0;
double KI_I = 0.1f * R_model*w0;
// KNR Valve Current Control Gain
if (((OPERATING_MODE & 0b110)>>1) == 1) { // KNR Valve
R_model = 163.0f; // ohm
L_model = 1.0f;
w0 = 2.0f * 3.14f * 80.0f;
KP_I = 1.0f * L_model*w0;
KI_I = 0.08f * R_model*w0;
}
double FF_gain = 1.0f;
VALVE_PWM_RAW = KP_I * 2.0f * I_ERR + KI_I * 2.0f* I_ERR_INT;
// VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model*I_REF); // Unit : mV
I_REF_fil_diff = I_REF_fil - I_REF_fil_old;
I_REF_fil_old = I_REF_fil;
// VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil + L_model * I_REF_fil_diff * 5000.0f); // Unit : mV
VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil); // Unit : mV
double V_MAX = 12000.0f; // Maximum Voltage : 12V = 12000mV
double Ka = 3.0f / KP_I;
if (VALVE_PWM_RAW > V_MAX) {
V_rem = VALVE_PWM_RAW - V_MAX;
V_rem = Ka*V_rem;
VALVE_PWM_RAW = V_MAX;
I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
} else if (VALVE_PWM_RAW < -V_MAX) {
V_rem = VALVE_PWM_RAW - (-V_MAX);
V_rem = Ka*V_rem;
VALVE_PWM_RAW = -V_MAX;
I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
}
Cur_Valve_Open_pulse = cur.sen / mA_PER_pulse;
} else {
VALVE_PWM_RAW = I_REF * mV_PER_mA;
Cur_Valve_Open_pulse = I_REF / mA_PER_pulse;
}
////////////////////////////////////////////////////////////////////////////
///////////////// Dead Zone Cancellation & Linearization //////////////////
////////////////////////////////////////////////////////////////////////////
// Dead Zone Cancellation (Mechanical Valve dead-zone)
if (FLAG_VALVE_DEADZONE) {
if (VALVE_PWM_RAW > 0) VALVE_PWM_RAW = VALVE_PWM_RAW + VALVE_DEADZONE_PLUS * mV_PER_pulse; // unit: mV
else if (VALVE_PWM_RAW < 0) VALVE_PWM_RAW = VALVE_PWM_RAW + VALVE_DEADZONE_MINUS * mV_PER_pulse; // unit: mV
VALVE_PWM_VALVE_DZ = VALVE_PWM_RAW + (double)VALVE_CENTER * mV_PER_pulse; // unit: mV
} else {
VALVE_PWM_VALVE_DZ = VALVE_PWM_RAW;
}
// Output Voltage Linearization
double CUR_PWM_nonlin = VALVE_PWM_VALVE_DZ; // Unit : mV
double CUR_PWM_lin = PWM_duty_byLT(CUR_PWM_nonlin); // -8000~8000
// Dead Zone Cancellation (Electrical dead-zone)
if (CUR_PWM_lin > 0) V_out = (float) (CUR_PWM_lin + 169.0f);
else if (CUR_PWM_lin < 0) V_out = (float) (CUR_PWM_lin - 174.0f);
else V_out = (float) (CUR_PWM_lin);
} else { //////////////////////////sw valve
// Output Voltage Linearization
// double CUR_PWM_nonlin = V_out; // Unit : mV
// double CUR_PWM_lin = PWM_duty_byLT(CUR_PWM_nonlin); // -8000~8000
// Dead Zone Cancellation (Electrical dead-zone)
// if (CUR_PWM_lin > 0) V_out = (float) (CUR_PWM_lin + 169.0f);
// else if (CUR_PWM_lin < 0) V_out = (float) (CUR_PWM_lin - 174.0f);
// else V_out = (float) (CUR_PWM_lin);
if (V_out > 0 ) V_out = (V_out + 180.0f)/0.8588f;
else if (V_out < 0) V_out = (V_out - 200.0f)/0.8651f;
else V_out = 0.0f;
}
// if(V_out > 0.0f) V_out = (float) (V_out + 169.0f);
// else if(V_out < 0.0f) V_out = (float) (V_out - 174.0f);
// else V_out = V_out;
/*******************************************************
*** PWM
********************************************************/
if(DIR_VALVE<0) {
V_out = -V_out;
}
if (V_out >= VALVE_VOLTAGE_LIMIT*1000.0f) {
V_out = VALVE_VOLTAGE_LIMIT*1000.0f;
} else if(V_out<=-VALVE_VOLTAGE_LIMIT*1000.0f) {
V_out = -VALVE_VOLTAGE_LIMIT*1000.0f;
}
PWM_out= V_out/(SUPPLY_VOLTAGE*1000.0f); // Full duty : 12000.0mV
// Saturation of output voltage to 12.0V
if(PWM_out > 1.0f) PWM_out=1.0f;
else if (PWM_out < -1.0f) PWM_out=-1.0f;
if (PWM_out>0.0f) {
dtc_v=0.0f;
dtc_w=PWM_out;
} else {
dtc_v=-PWM_out;
dtc_w=0.0f;
}
//pwm
TIM4->CCR2 = (PWM_ARR)*(1.0f-dtc_v);
TIM4->CCR1 = (PWM_ARR)*(1.0f-dtc_w);
if (TMR2_COUNT_CAN_TX % (int) ((int) TMR_FREQ_5k/CAN_FREQ) == 0) {
// Position, Velocity, and Torque (ID:1200)
if (flag_data_request[0] == HIGH) {
if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
if (SENSING_MODE == 0) {
CAN_TX_POSITION_FT((int16_t) (pos.sen), (int16_t) (vel.sen/10.0f), (int16_t) (torq.sen*10.0f));
} else if (SENSING_MODE == 1) {
CAN_TX_POSITION_PRESSURE((int16_t) (pos.sen), (int16_t) (vel.sen/10.0f), (int16_t) ((pres_A.sen)*5.0f), (int16_t) ((pres_B.sen)*5.0f));
}
} else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
if (SENSING_MODE == 0) {
CAN_TX_POSITION_FT((int16_t) (pos.sen/10.0f), (int16_t) (vel.sen/256.0f), (int16_t) (torq.sen * 10.0f * (float)(TORQUE_SENSOR_PULSE_PER_TORQUE)));
} else if (SENSING_MODE == 1) {
CAN_TX_POSITION_PRESSURE((int16_t) (pos.sen/10.0f), (int16_t) (vel.sen/256.0f), (int16_t) ((pres_A.sen)*5.0f), (int16_t) ((pres_B.sen)*5.0f));
}
}
}
if (flag_data_request[1] == HIGH) {
CAN_TX_TORQUE((int16_t) (return_G[0]*100.0f)); //1300
}
if (flag_data_request[2] == HIGH) {
double t_value = 0.0f;
if(value>=(float) VALVE_CENTER) {
t_value = 10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
t_value = -10000.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
double t_value_ref = 0.0f;
if(valve_pos.ref>=(float) VALVE_CENTER) {
t_value_ref = 10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
t_value_ref = -10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
CAN_TX_PRES((int16_t) (t_value), (int16_t) (t_value_ref)); // 1400
}
//If it doesn't rest, below can can not work.
for (can_rest = 0; can_rest < 10000; can_rest++) {
;
}
if (flag_data_request[3] == HIGH) {
//PWM
//CAN_TX_PWM((int16_t) (V[0]*100.0f)); //1500
CAN_TX_PWM((int16_t) (torq.ref)); //1500
}
if (flag_data_request[4] == HIGH) {
//valve position
CAN_TX_VALVE_POSITION((int16_t) pos.sen/(float)(ENC_PULSE_PER_POSITION), (int16_t) virt_pos, (int16_t) (logging2*1000.0f), (int16_t) (logging4*1000.0f)); //1600
//CAN_TX_VALVE_POSITION((int16_t) action_array[20], (int16_t) virt_pos, (int16_t) Update_Case*1000, (int16_t) (logging4*1000.0f)); //1600
}
// Others : Reference position, Reference FT, PWM, Current (ID:1300)
// if (flag_data_request[1] == HIGH) {
// CAN_TX_SOMETHING((int) (FORCE_VREF), (int16_t) (1), (int16_t) (2), (int16_t) (3));
// }
//if (flag_delay_test == 1){
//CAN_TX_PRES((int16_t) (0),(int16_t) torq_ref);
//}
TMR2_COUNT_CAN_TX = 0;
}
TMR2_COUNT_CAN_TX++;
}
TIM3->SR = 0x0; // reset the status register
}