Yeseong Jeong
20210203
main.cpp
- Committer:
- Lightvalve
- Date:
- 2020-06-08
- Revision:
- 73:f80dc3970c99
- Parent:
- 72:3436ce769b1e
- Child:
- 74:2bd13b02ed17
File content as of revision 73:f80dc3970c99:
//200522-1
#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"
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_POSITION_TORQUE_CONTROL_VALVE_POSITION, //4
MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING, //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
//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
};
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 x_past[num_array_x_past] = {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][32] = {
{-1.5316121578216553f,1.046117901802063f,0.10087299346923828f,-0.5920249819755554f,0.006000066641718149f,-0.06292402744293213f,-0.7302544713020325f,1.2003053426742554f,-0.22492285072803497f,-1.0005651712417603f,-0.19194258749485016f,0.6088903546333313f,-0.18402203917503357f,0.22412745654582977f,-0.20103082060813904f,-0.7672873735427856f,0.6400743722915649f,0.23753002285957336f,-0.3429633677005768f,1.2256020307540894f,-0.3417735695838928f,0.1018887460231781f,-0.31691664457321167f,-0.07546886801719666f,0.6211225390434265f,0.1750296652317047f,-0.16833457350730896f,-0.7552083134651184f,0.3320983946323395f,-0.17902883887290955f,-2.2890756130218506f,0.07611003518104553f},
{-1.4611567258834839f,1.0853360891342163f,0.2844829857349396f,-0.9236651062965393f,0.051900915801525116f,-0.05538089573383331f,-0.17226804792881012f,0.9712872505187988f,-0.1281311810016632f,-0.7099795341491699f,-0.27849888801574707f,0.6594517230987549f,0.020206838846206665f,0.1498834639787674f,0.04370078444480896f,-0.5641506910324097f,0.3744271993637085f,0.059967368841171265f,0.2747458517551422f,1.2454235553741455f,-0.05271541327238083f,-0.11504809558391571f,-0.0905606746673584f,0.2640003263950348f,0.4686833620071411f,0.2797521650791168f,0.12084531784057617f,-0.20431983470916748f,-0.07909221202135086f,0.09343862533569336f,-1.144808292388916f,0.09386715292930603f},
{-0.6785809397697449f,0.8657543659210205f,-0.004022121429443359f,-0.1997077912092209f,0.011013412848114967f,-0.1420801728963852f,-0.08535565435886383f,0.5210550427436829f,0.020213676616549492f,-0.5929723978042603f,0.26537173986434937f,0.6844944357872009f,-0.031272560358047485f,0.16001033782958984f,-0.3021453320980072f,-0.3262001574039459f,0.6271952390670776f,-0.25322937965393066f,0.13424378633499146f,0.9074867367744446f,0.18754218518733978f,-0.14585837721824646f,0.1290973722934723f,-0.23490183055400848f,0.22646471858024597f,0.13848352432250977f,-0.14778463542461395f,0.04744651913642883f,-0.2646981477737427f,0.28840622305870056f,-0.05210360512137413f,-0.18625950813293457f},
{-0.14816814661026f,0.1484924852848053f,-0.19558930397033691f,-0.4587199091911316f,-0.4259108603000641f,-0.003024315694347024f,0.09867669641971588f,-0.2979104220867157f,0.2820493280887604f,-0.2173389047384262f,0.1107335165143013f,0.5747724771499634f,-0.11249050498008728f,0.28691187500953674f,-0.12209486961364746f,-0.00012021820293739438f,-0.0060715447179973125f,-0.22630342841148376f,-0.2441006749868393f,0.13262957334518433f,-0.26148006319999695f,-0.08376853168010712f,-0.14013314247131348f,-0.277662992477417f,-0.09883667528629303f,0.1348792016506195f,0.12745562195777893f,0.13001176714897156f,0.13773585855960846f,0.1260412633419037f,1.1402820348739624f,0.16906705498695374f},
{0.9182100892066956f,-0.531394898891449f,0.08011308312416077f,0.04475727304816246f,-0.45140811800956726f,-0.06544674932956696f,0.27154937386512756f,-1.203261375427246f,-0.21332035958766937f,0.8113646507263184f,-0.23975150287151337f,-0.2693038582801819f,0.20140400528907776f,0.16929718852043152f,-0.2388615608215332f,0.20772291719913483f,-0.5291081070899963f,-0.17562326788902283f,0.10829375684261322f,-0.9625781774520874f,0.1068328246474266f,0.22469106316566467f,-0.2337813377380371f,-0.07104292511940002f,-0.5743539333343506f,-0.32632216811180115f,0.038649410009384155f,0.13008525967597961f,0.02648647502064705f,-0.15546131134033203f,1.5635931491851807f,0.025572150945663452f},
{2.718548536300659f,-2.4721014499664307f,0.2906685173511505f,1.2711524963378906f,-0.49755430221557617f,-0.025780361145734787f,0.5067746043205261f,-2.209226608276367f,-0.3355410695075989f,2.053006172180176f,0.2649611830711365f,-2.3765242099761963f,-0.029951006174087524f,-0.005192920565605164f,0.20863232016563416f,0.25620603561401367f,-1.375850796699524f,-0.30441316962242126f,-0.3512604534626007f,-2.340895891189575f,0.10424350202083588f,-0.009217172861099243f,0.11990180611610413f,0.3152395784854889f,-1.3226662874221802f,0.19827589392662048f,-0.278697669506073f,0.9180163145065308f,-0.34610462188720703f,-0.0012509822845458984f,0.33043405413627625f,-0.053316205739974976f},
{0.20082953572273254f,-0.3293028473854065f,0.15515866875648499f,0.38857918977737427f,0.022376351058483124f,-0.008546920493245125f,-0.04682992026209831f,-0.06396719813346863f,-0.13507501780986786f,-0.11766078323125839f,-0.08986316621303558f,-0.3768438398838043f,0.09392929077148438f,-0.02030598558485508f,-0.17407774925231934f,-0.041438039392232895f,-0.43712759017944336f,-0.07779207825660706f,0.2857636511325836f,-0.42887356877326965f,-0.18191516399383545f,-0.16872906684875488f,-0.2501657009124756f,-0.23358337581157684f,-0.5499646067619324f,-0.14798402786254883f,-0.1072954386472702f,-0.10270185768604279f,-0.3651081621646881f,-0.033211708068847656f,-1.7639816999435425f,0.11262083053588867f},
{0.1810125708580017f,0.04380026459693909f,0.1585540771484375f,0.09520703554153442f,0.13614939153194427f,-0.2871411144733429f,0.027985045686364174f,0.24350906908512115f,0.24975617229938507f,0.06216800585389137f,-0.22294187545776367f,-0.5886633396148682f,0.10294389724731445f,-0.07682676613330841f,0.052227020263671875f,-0.5156266093254089f,-0.15223275125026703f,-0.272625207901001f,-0.35299432277679443f,-0.18794843554496765f,-0.0981115773320198f,0.021598905324935913f,-0.12170252203941345f,-0.027094602584838867f,-0.28403598070144653f,0.016911834478378296f,-0.32526659965515137f,-0.22122310101985931f,-0.3122880160808563f,0.00411224365234375f,-1.6618061065673828f,0.24875596165657043f},
{0.011248071677982807f,-0.3440488576889038f,0.1305990219116211f,0.1634446233510971f,-0.1435123234987259f,-0.22065450251102448f,-0.13434356451034546f,0.12558163702487946f,-0.036939892917871475f,-0.12558740377426147f,-0.2808530926704407f,-0.1826796531677246f,0.10954022407531738f,0.22486212849617004f,0.23004469275474548f,-0.4840049743652344f,-0.15952230989933014f,0.05736207962036133f,0.12664148211479187f,-0.15527382493019104f,-0.31599417328834534f,-0.02127060294151306f,-0.2822587490081787f,0.08045688271522522f,-0.7549505233764648f,-0.07828792929649353f,-0.08483991026878357f,-0.0207098089158535f,-0.059344928711652756f,-0.11358706653118134f,-2.75872802734375f,0.0935753881931305f},
{-0.1231784000992775f,-0.039662137627601624f,-0.2328716218471527f,0.41179922223091125f,0.08715936541557312f,-0.14673462510108948f,0.10638939589262009f,-0.36458462476730347f,-0.30250200629234314f,-0.15081094205379486f,-0.33652785420417786f,0.12425272911787033f,0.08001843094825745f,0.10154984146356583f,-0.2551456391811371f,1.087019443511963f,0.08366376906633377f,0.316246896982193f,0.08225584775209427f,-0.21876347064971924f,-0.21885016560554504f,0.1560649871826172f,-0.11126312613487244f,-0.30638599395751953f,-0.40880250930786133f,0.05366125702857971f,0.1294359266757965f,0.2448592334985733f,-0.0201678816229105f,0.28930428624153137f,-1.4611858129501343f,0.1775827705860138f},
{-0.2089596837759018f,0.06453723460435867f,-0.0634300708770752f,0.13166697323322296f,-0.36363914608955383f,-0.6308650970458984f,-0.010237024165689945f,-0.10475338250398636f,-0.28933432698249817f,-0.18470923602581024f,-0.32581478357315063f,-0.04712572693824768f,-0.17047008872032166f,0.24898871779441833f,0.016325324773788452f,0.9002126455307007f,-0.3312543034553528f,-0.23234836757183075f,0.18384136259555817f,-0.2505335211753845f,0.13443168997764587f,-0.24138674139976501f,0.2283824384212494f,0.010796308517456055f,-0.18242990970611572f,0.09781908988952637f,0.07673224806785583f,-0.0375511609017849f,0.4107106029987335f,0.02820834517478943f,0.6104573607444763f,0.17321613430976868f},
{-0.25129181146621704f,1.0552700757980347f,-0.29345569014549255f,-0.5351536870002747f,-0.3985939621925354f,-1.1024703979492188f,-0.2657238245010376f,0.019460858777165413f,-0.22419829666614532f,0.47431257367134094f,0.282219797372818f,-0.16405567526817322f,-0.03579244017601013f,-0.1687009334564209f,-0.28509521484375f,-0.9953089356422424f,-0.001277706935070455f,-0.17347121238708496f,-0.3031772971153259f,-0.1526116281747818f,0.24897505342960358f,0.21679124236106873f,-0.22265808284282684f,0.31252244114875793f,-0.44624584913253784f,0.2008223831653595f,0.3222421705722809f,0.43312186002731323f,0.6519185900688171f,0.14098921418190002f,4.913338661193848f,-0.04709109663963318f},
{0.2144526243209839f,-0.4853420853614807f,0.1837349236011505f,0.4992810785770416f,-0.049303676933050156f,-0.16164228320121765f,-0.2237636148929596f,0.06998294591903687f,-0.1106376126408577f,0.9089545607566833f,-0.13708744943141937f,-0.047490619122982025f,-0.2591227889060974f,-0.3686586320400238f,0.061814457178115845f,4.4232940673828125f,-0.5329093933105469f,0.20787635445594788f,-0.02931533008813858f,-0.3807309567928314f,-0.2677971422672272f,0.025913476943969727f,0.011856883764266968f,-0.002827882766723633f,0.24938860535621643f,0.028789907693862915f,0.3261648118495941f,-0.2596067786216736f,-0.2998162508010864f,-0.32888755202293396f,-0.5427634119987488f,0.09549155831336975f},
{-0.001334975939244032f,-0.11350695043802261f,0.05985936522483826f,0.34115123748779297f,-0.11124051362276077f,0.01227458007633686f,0.2972363531589508f,-0.10988402366638184f,-0.06534075736999512f,0.8434353470802307f,0.28291523456573486f,-0.10051646828651428f,0.031953901052474976f,-0.0022092361468821764f,0.1021522581577301f,3.8103036880493164f,-0.31991440057754517f,0.08450636267662048f,-0.11887738108634949f,0.10229919105768204f,-0.24059925973415375f,-0.014602094888687134f,0.11327552795410156f,-0.31571850180625916f,0.20790383219718933f,-0.14150118827819824f,0.24654820561408997f,-0.39427995681762695f,-0.1427154541015625f,0.23035290837287903f,0.5915879011154175f,0.2325780689716339f},
{0.12685076892375946f,-0.10873474925756454f,0.24405649304389954f,-0.17700229585170746f,-0.31883007287979126f,0.11844643205404282f,0.30884283781051636f,0.3269212245941162f,0.07765036076307297f,0.8023349046707153f,-0.03895876184105873f,-0.05754624679684639f,0.18033960461616516f,-0.34255746006965637f,0.03770804405212402f,0.6625205278396606f,0.00980472657829523f,-0.06876960396766663f,0.23091186583042145f,0.2826549708843231f,0.2729778587818146f,0.2508205473423004f,0.025177806615829468f,0.2262592613697052f,-0.24321362376213074f,0.1852022111415863f,0.18975666165351868f,-0.5789910554885864f,-0.3306794762611389f,-0.09938693046569824f,0.4308316111564636f,-0.1806284636259079f},
{-0.12595590949058533f,-0.0918254479765892f,-0.13136014342308044f,0.04583144560456276f,-0.34972572326660156f,0.29451239109039307f,0.028729718178510666f,0.11094336211681366f,-0.18802323937416077f,0.9224112033843994f,-0.3028465509414673f,-0.21619796752929688f,0.05990728735923767f,-0.2451106309890747f,0.26781734824180603f,-1.2170041799545288f,-0.0901833325624466f,-0.13362249732017517f,-0.2815459072589874f,-0.45441287755966187f,0.14839361608028412f,0.06692108511924744f,-0.12372803688049316f,0.041742414236068726f,-0.18964315950870514f,-0.11748671531677246f,-0.11852662265300751f,-0.1516326367855072f,-0.2872304916381836f,0.2662833034992218f,-0.03345943242311478f,0.17151817679405212f},
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};
const float h2[32][32] = {
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};
const float h3[32][32] = {
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{0.1991647183895111f,0.12534403800964355f,-0.04112154245376587f,0.23123982548713684f,-0.17588619887828827f,-0.302817702293396f,-0.1610087752342224f,-0.031804412603378296f,0.10274738073348999f,-0.25018924474716187f,0.15975651144981384f,-0.057292819023132324f,0.1464652419090271f,0.08016204833984375f,0.2151305377483368f,0.2952744662761688f,-0.21319252252578735f,0.04970458149909973f,0.10210192203521729f,0.3050673305988312f,0.21167120337486267f,-0.15151944756507874f,0.13887640833854675f,0.25299301743507385f,-0.11117732524871826f,-0.07015113532543182f,-0.287551611661911f,-0.025779157876968384f,-0.07337476313114166f,-0.24420931935310364f,0.015819430351257324f,-0.10595546662807465f},
{0.12202468514442444f,0.10608518123626709f,-0.10034829378128052f,-0.3246283531188965f,0.20245090126991272f,0.04734083265066147f,-0.06113804876804352f,-0.11568751931190491f,0.3261568248271942f,-0.3037929832935333f,-0.06917986273765564f,-0.11160935461521149f,-0.09358227252960205f,-0.21875040233135223f,-0.06735922396183014f,0.05864924192428589f,-0.25733181834220886f,-0.17565661668777466f,0.095695361495018f,-0.07591581344604492f,-0.2171992063522339f,0.14910152554512024f,0.173453688621521f,-0.05681343376636505f,0.20495089888572693f,0.1795230209827423f,0.19069638848304749f,0.04863719269633293f,-0.19967538118362427f,0.2425754964351654f,-0.22172409296035767f,-0.009572982788085938f},
{-0.3055141270160675f,-0.22692157328128815f,-0.06546061486005783f,-0.22364665567874908f,-0.301609069108963f,0.3466431796550751f,0.09419310092926025f,0.21086838841438293f,-1.2103636264801025f,0.1926555335521698f,-1.2885984182357788f,-0.20249620079994202f,-0.25163519382476807f,0.04730202257633209f,-0.023131370544433594f,0.036719828844070435f,0.16260939836502075f,0.05286213755607605f,-0.2853477895259857f,0.11423645913600922f,-0.12400790303945541f,0.26420584321022034f,0.1409359872341156f,0.19191309809684753f,0.5323112607002258f,-0.02825927734375f,-0.14624470472335815f,-1.3739569187164307f,-0.12972024083137512f,0.1865309774875641f,0.14116251468658447f,-0.6218597888946533f},
{0.1782623827457428f,-0.015146075747907162f,-0.4011057913303375f,-0.09168504178524017f,0.035190191119909286f,-0.01224052906036377f,-0.2435605823993683f,0.1475539207458496f,2.0372250080108643f,-0.64677494764328f,0.09235234558582306f,-0.3219165503978729f,-0.6243833303451538f,-0.21862100064754486f,-0.2527656555175781f,-0.3049176335334778f,0.032145023345947266f,-0.25376296043395996f,-1.736000418663025f,-0.35007935762405396f,-1.5456494092941284f,0.08730726689100266f,0.1247415542602539f,0.05391114950180054f,-2.0970795154571533f,-0.0563075952231884f,0.13928088545799255f,4.6070876121521f,-0.5247244238853455f,0.1616479754447937f,-0.29320231080055237f,-0.930035412311554f},
{-0.17396044731140137f,-0.10267387330532074f,-0.38119179010391235f,-0.16983388364315033f,-0.10548646748065948f,0.9111438989639282f,-0.13985206186771393f,-0.1761629432439804f,0.3419595956802368f,-1.4837113618850708f,1.480345368385315f,-0.4204767048358917f,0.7904236912727356f,-0.2960832118988037f,-0.19851773977279663f,-0.10762731730937958f,0.14198419451713562f,0.10370296239852905f,0.23569215834140778f,-4.164161205291748f,-4.5298590660095215f,-0.9154318571090698f,0.18175193667411804f,-0.19857197999954224f,0.7777286767959595f,-0.37469691038131714f,0.09056463092565536f,-0.4552287757396698f,-0.2473701536655426f,-0.1200934648513794f,-0.15247362852096558f,-3.3762712478637695f},
{-0.12546227872371674f,-0.23776933550834656f,-0.4473806321620941f,0.11002571135759354f,0.011121923103928566f,-0.3694802522659302f,-0.28310835361480713f,-0.020981580018997192f,0.8688364624977112f,-0.47459572553634644f,1.7547227144241333f,-0.09219010174274445f,0.7238489389419556f,-1.6560261249542236f,-0.0649729073047638f,0.2468220293521881f,0.060016900300979614f,-0.16779978573322296f,0.883475661277771f,-0.7162744402885437f,-1.7292978763580322f,-0.8765726685523987f,-0.26878347992897034f,0.22389158606529236f,-0.28621965646743774f,-0.1761058121919632f,-0.4023822844028473f,0.6458700299263f,-0.006878874264657497f,-0.000007510185241699219f,-0.014864769764244556f,2.9540889263153076f},
{0.07555973529815674f,-0.0029259920120239258f,-0.08789914846420288f,0.06678077578544617f,-0.11083845794200897f,0.11010000109672546f,-0.14982634782791138f,0.12075316905975342f,-0.2766430675983429f,0.013024389743804932f,0.18159812688827515f,-0.20200279355049133f,0.2637675702571869f,-0.1856893002986908f,0.2882818281650543f,0.05304515361785889f,-0.15297894179821014f,0.07341468334197998f,0.05268138647079468f,0.1067940890789032f,-0.2661813795566559f,-0.2009473443031311f,0.1843600869178772f,0.2517976462841034f,-0.07343396544456482f,-0.051110416650772095f,-0.23432010412216187f,0.16746872663497925f,-0.2205146849155426f,-0.017525076866149902f,0.20926335453987122f,-0.2141496241092682f},
{0.06582912802696228f,0.2796666920185089f,-0.2556927502155304f,0.0023079216480255127f,0.2043982446193695f,0.13894453644752502f,0.06556430459022522f,0.29767414927482605f,0.24966773390769958f,-0.16670267283916473f,-0.1203770637512207f,-0.06570860743522644f,-0.015925198793411255f,0.17675906419754028f,-0.014884740114212036f,-0.05300724506378174f,0.26490333676338196f,0.15243005752563477f,-0.07319167256355286f,0.2353842556476593f,0.23596063256263733f,0.1602974534034729f,-0.04174882173538208f,-0.11559568345546722f,-0.06235519051551819f,0.21069613099098206f,-0.19532959163188934f,-0.2486409693956375f,0.032513976097106934f,-0.2712400257587433f,-0.19435247778892517f,-0.23200613260269165f},
{-0.1299392580986023f,-0.06208275258541107f,-0.18067686259746552f,0.062329649925231934f,-0.22588664293289185f,-0.06877543032169342f,-0.19175797700881958f,0.02903696894645691f,-0.2614779472351074f,0.016345679759979248f,-0.24767392873764038f,0.2033931314945221f,-0.30105409026145935f,0.08271035552024841f,0.13206014037132263f,0.15829482674598694f,-0.21012049913406372f,0.2088232934474945f,0.07014858722686768f,-0.19175665080547333f,0.28649166226387024f,0.05041047930717468f,-0.27260470390319824f,-0.025072306394577026f,0.2722422182559967f,-0.007939159870147705f,-0.22979341447353363f,0.11936154961585999f,0.1298319399356842f,0.18135693669319153f,-0.008151531219482422f,0.15906798839569092f},
{0.07638216018676758f,0.07996532320976257f,-0.4532916247844696f,-0.286763995885849f,-0.14361587166786194f,0.15333548188209534f,0.2795381247997284f,-0.25668495893478394f,1.5776686668395996f,-0.3557981550693512f,-4.558074474334717f,-0.0959593802690506f,-0.2420492321252823f,1.8044195175170898f,-0.029521822929382324f,-0.19500072300434113f,0.06506577134132385f,-0.011876672506332397f,0.9772398471832275f,-1.1837528944015503f,1.1952396631240845f,-0.7478441596031189f,-0.15799765288829803f,-0.17324526607990265f,0.7002406120300293f,0.017084553837776184f,-0.2846224009990692f,-0.2008575201034546f,-0.8861852288246155f,0.22636333107948303f,-0.3774070739746094f,-0.03760375455021858f},
};
const float hout[32] = { 0.3285340666770935f,0.32595810294151306f,-0.16531020402908325f,-0.1120261549949646f,-0.02814103290438652f,0.20109859108924866f,-0.0071088592521846294f,0.1081397533416748f,0.14690308272838593f,-0.04607205465435982f,0.1793166697025299f,-0.09312135726213455f,-0.2741614878177643f,0.973639726638794f,0.2356991171836853f,-0.1462659239768982f,0.09851181507110596f,-0.21499931812286377f,-0.22608381509780884f,-0.19660963118076324f,-0.13850048184394836f,0.33182141184806824f,-0.2774904668331146f,-0.175692617893219f,0.12098437547683716f,0.062369804829359055f,-0.26919692754745483f,-0.09816103428602219f,0.8765497207641602f,-0.3257754445075989f,-0.19969786703586578f,-0.5018784403800964f };
const float b1[32] = { 0.360392302274704f,1.3258261680603027f,-1.7145336866378784f,0.11188247054815292f,1.0527279376983643f,0.5051818490028381f,-0.10494530200958252f,1.3075183629989624f,0.5332803726196289f,-1.3167273998260498f,0.5802411437034607f,2.0797219276428223f,-0.3425353467464447f,-0.8710014224052429f,-1.087764859199524f,0.34449902176856995f,0.6696957945823669f,-0.26377663016319275f,0.22221045196056366f,0.7987192273139954f,-0.3121899664402008f,-1.1118980646133423f,-1.6770726442337036f,-1.2263047695159912f,1.8851773738861084f,-2.0880801677703857f,-1.0489267110824585f,0.6635584235191345f,0.4126681685447693f,-1.0887231826782227f,0.7133725881576538f,-0.4426153898239136f };
const float b2[32] = { -0.21426281332969666f,-0.7642630338668823f,-1.4564176797866821f,-0.4739953577518463f,-0.6939148902893066f,0.08300478756427765f,-0.4721355140209198f,-0.4483444094657898f,-1.20063054561615f,-1.912178635597229f,-0.07969088852405548f,0.6989963054656982f,-0.3409772515296936f,1.5607539415359497f,-0.1873372495174408f,0.5244904160499573f,-1.798204779624939f,-1.5844906568527222f,-0.06145767867565155f,-0.2975791394710541f,-0.05740395933389664f,0.1989542841911316f,0.09335066378116608f,-1.0665833950042725f,0.060874372720718384f,1.2573281526565552f,0.9455531239509583f,0.3112686574459076f,-0.6323830485343933f,-0.4208582937717438f,-1.178520679473877f,-0.8882189989089966f };
const float b3[32] = { -1.963319182395935f,-0.49897506833076477f,-0.04165864363312721f,-0.24708756804466248f,-0.12295565754175186f,0.8161247372627258f,-0.490390807390213f,-0.6562485098838806f,-0.11963385343551636f,-0.35514017939567566f,-1.653018593788147f,-0.1486135721206665f,-0.8058865666389465f,-2.3385539054870605f,-1.1428403854370117f,-0.3598397970199585f,-1.3594286441802979f,-1.0192245244979858f,-0.8995988368988037f,0.8749277591705322f,0.11804358661174774f,1.180364966392517f,-1.026091456413269f,-0.8066051602363586f,0.5967051982879639f,-0.565889835357666f,-0.2720939517021179f,-0.15897169709205627f,0.0058806478045880795f,-2.3236680030822754f,-0.21091698110103607f,-2.045327663421631f };
const float bout[1] = { -0.08369258046150208f };
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;
}
/************************************
*** Program is operating!
*************************************/
while(1) {
// if(timer_while==1000 && OPERATING_MODE==5) {
//if(timer_while==1000) {
//i2c
read_field(i2c_slave_addr1);
if(DIR_VALVE_ENC < 0) value = 1023 - value;
// if(LED==1) {
// LED=0;
// } else
// LED = 1;
timer_while = 0;
//}
timer_while ++;
if(NN_Control_Flag == 0) {
LED = 0;
}
else if(NN_Control_Flag == 1) {
float output1[32] = { 0.0f };
float output2[32] = { 0.0f };
float output3[32] = { 0.0f };
float output = 0.0f;
for (int index2 = 0; index2 < 32; 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 < 32; index2++) {
for (int index1 = 0; index1 < 32; 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 < 32; index2++) {
for (int index1 = 0; index1 < 32; 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 < 32; index1++) {
output = output + hout[index1] * output3[index1];
}
output = output + bout[index2];
}
output = 1.0f/(1.0f+exp(-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;
}
}
}
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 = 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) valve_pos_err_sum = 1000;
if (valve_pos_err_sum<-1000) valve_pos_err_sum = -1000;
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]) && 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 += 0.0003f * (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();
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();
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();
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();
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();
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();
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.;
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;
}
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]
// 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 = 1.0f / (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;
}
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);
}
// 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) {
//valve position
double t_value = 0;
if(valve_pos.ref>=(float) VALVE_CENTER) {
t_value = 10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
} else {
t_value = -10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
}
// if(OPERATING_MODE==5) {
// t_value = (double) value;
// } else if(CURRENT_CONTROL_MODE==1) {
// t_value = cur.sen;
// } else {
// t_value = V_out;
// }
CAN_TX_TORQUE((int16_t) (t_value)); //1300
//CAN_TX_TORQUE((int16_t) (cur.sen * 1000.0f)); //1300
//CAN_TX_TORQUE((int16_t) (I_REF * 1000.0f)); //1300
}
if (flag_data_request[2] == HIGH) {
//pressure A and B
CAN_TX_PRES((int16_t) (pres_A.sen), (int16_t) (pres_B.sen)); // CUR_PRES_X : 0(0bar)~4096(210bar) //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) value); //1500
CAN_TX_PWM((int16_t) input_NN[0] * 100.0f); //1500
}
//for (i = 0; i < 10000; i++) {
// ;
// }
if (flag_data_request[4] == HIGH) {
//valve position
CAN_TX_VALVE_POSITION((int16_t) (input_NN[1] * 100.0f), (int16_t) (input_NN[2]* 100.0f), (int16_t) (input_NN[3]* 100.0f), (int16_t) (input_NN[4]* 100.0f)); //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
}