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:
- 2020-07-31
- Revision:
- 92:c7eda9710d76
- Parent:
- 91:ec77a57f947f
- Child:
- 93:82ce526d307b
File content as of revision 92:c7eda9710d76:
//200731-1
#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 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] = {
{-2.636223077774048f,2.243234872817993f,0.13533532619476318f,2.4233856201171875f,-3.3432064056396484f,-2.774308204650879f,-0.18325737118721008f,1.4001487493515015f,-3.346646547317505f,0.008163847960531712f,0.16983994841575623f,-2.706968307495117f,-0.26757416129112244f,0.24524593353271484f,-0.26971113681793213f,-0.5010743141174316f},
{-0.08952529728412628f,-0.20313316583633423f,-0.41195717453956604f,-0.45231756567955017f,-0.6821832656860352f,-0.2936117351055145f,-0.425188273191452f,-1.112612247467041f,-1.097312092781067f,0.3637164533138275f,-1.9392222166061401f,0.18047840893268585f,0.25669875741004944f,-0.35464173555374146f,-0.2199118435382843f,-0.15505185723304749f},
{1.8727171421051025f,-2.095238208770752f,0.3816739320755005f,-2.71220326423645f,1.6868313550949097f,1.8927206993103027f,0.30123186111450195f,-2.723884344100952f,0.3088037669658661f,0.4519273340702057f,-3.6248373985290527f,2.232008457183838f,0.007061384618282318f,0.11372528225183487f,0.05863076448440552f,-0.36209121346473694f},
{-0.7696437239646912f,0.9976058006286621f,0.41681867837905884f,0.2759222388267517f,0.05198448523879051f,-0.18448013067245483f,-0.12149989604949951f,1.2117013931274414f,1.9051657915115356f,-0.03225353732705116f,1.7395188808441162f,-0.10909049957990646f,-0.16952407360076904f,0.09711930900812149f,-0.31060048937797546f,0.0952095314860344f},
{0.46873918175697327f,0.16299599409103394f,-0.005396246910095215f,-0.2735261023044586f,0.3464527130126953f,0.24212251603603363f,0.13571947813034058f,-0.3182293772697449f,1.7913312911987305f,-0.033547721803188324f,1.1432417631149292f,0.32865506410598755f,-0.06812751293182373f,0.2100047469139099f,-0.40537047386169434f,-0.254747599363327f},
{0.6474926471710205f,-0.3885102868080139f,0.22836029529571533f,0.3597419857978821f,0.17005836963653564f,-0.45267313718795776f,0.17320233583450317f,-0.44595828652381897f,1.1760566234588623f,0.12391972541809082f,0.7677016854286194f,0.2040991485118866f,-0.27413249015808105f,0.3474045395851135f,-0.4334552586078644f,-0.41930830478668213f},
{0.24128086864948273f,0.04589380323886871f,-0.26241058111190796f,-0.1605479121208191f,-0.6496112942695618f,-0.040162138640880585f,0.06307727098464966f,-0.01635139249265194f,1.224489688873291f,0.08213555812835693f,1.537510871887207f,-0.04966752976179123f,-0.17679321765899658f,0.3805965781211853f,-0.1638074517250061f,-0.21925397217273712f},
{0.5807400345802307f,-0.5998976230621338f,-0.2791902422904968f,0.010019575245678425f,-0.28916454315185547f,-0.004041178617626429f,-0.18800833821296692f,-0.12002937495708466f,1.1164791584014893f,0.09512722492218018f,1.3150197267532349f,-0.27913761138916016f,0.3936273455619812f,0.12782473862171173f,0.04513084888458252f,0.04114608094096184f},
{0.47128385305404663f,0.15318268537521362f,0.10748296976089478f,-0.19771212339401245f,-0.39191916584968567f,-0.07537200301885605f,-0.07600703835487366f,-0.0043637691996991634f,0.2844483256340027f,0.36843350529670715f,0.8857852220535278f,-0.08769991248846054f,0.24420581758022308f,0.21733689308166504f,-0.32046639919281006f,0.03942794352769852f},
{0.1732984334230423f,-0.6440593004226685f,0.19363796710968018f,-0.05195067822933197f,0.01278105191886425f,0.0784035474061966f,-0.31365057826042175f,-0.11009003221988678f,0.17618030309677124f,-0.4172092080116272f,0.5049150586128235f,-0.6888574957847595f,0.39433738589286804f,-0.2418195605278015f,0.36550790071487427f,-0.1942736953496933f},
{0.549104630947113f,-0.41158950328826904f,0.3899726867675781f,0.1083884984254837f,-0.015253588557243347f,-0.04276833310723305f,-0.21332034468650818f,-0.3486056625843048f,-0.547969400882721f,0.11509697139263153f,0.314342200756073f,-0.28358978033065796f,-0.06590432673692703f,-0.007751610595732927f,0.279909610748291f,-0.5137237310409546f},
{-0.7033979296684265f,-0.6657086610794067f,-0.42287975549697876f,-0.08000577241182327f,-0.03872407227754593f,-0.20529375970363617f,0.1608651876449585f,0.2230621725320816f,-0.6050418615341187f,0.24793808162212372f,-0.48820748925209045f,-0.005761494394391775f,0.1554817259311676f,-0.02308785542845726f,0.11006170511245728f,-0.25518080592155457f},
{-0.6173781752586365f,-0.4257122278213501f,0.2081671953201294f,0.0017440271330997348f,0.43724673986434937f,0.15821054577827454f,-0.2521669864654541f,-0.02800438366830349f,-0.60755854845047f,-0.1903579831123352f,-0.5224428176879883f,-0.2436826378107071f,0.10015113651752472f,0.012118409387767315f,-0.2335498034954071f,-0.5725377202033997f},
{-1.1205565929412842f,-0.2731543481349945f,0.4329291582107544f,-0.1349230706691742f,-0.1791067123413086f,-0.47184258699417114f,-0.3356325030326843f,-0.5746006369590759f,-0.7583351731300354f,-0.19203944504261017f,-0.9278050065040588f,-0.161558598279953f,-0.32434722781181335f,-0.062287308275699615f,0.050309598445892334f,-0.07609463483095169f},
};
const float h2[16][16] = {
{-0.4603257477283478f,0.8772760033607483f,-0.06966331601142883f,-4.041189670562744f,-0.21907491981983185f,0.7140710949897766f,-0.026191093027591705f,0.0904630720615387f,-0.43008196353912354f,-0.1415480375289917f,4.737386226654053f,-1.5814257860183716f,-0.95693439245224f,0.020619748160243034f,-0.07004775106906891f,-0.76105797290802f},
{0.020373234525322914f,-0.3936019539833069f,0.057057321071624756f,-2.4123518466949463f,-0.35503754019737244f,-0.7511828541755676f,-0.6510120034217834f,-0.2990124225616455f,-0.33757925033569336f,0.2895788848400116f,-5.747474193572998f,-3.005373239517212f,0.037916481494903564f,0.18941521644592285f,-0.4532434046268463f,-0.41316694021224976f},
{-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},
{-0.3944045603275299f,-1.9354594945907593f,-0.2894435524940491f,-4.7087626457214355f,0.08946844935417175f,-4.094192028045654f,-0.38398563861846924f,0.4122363030910492f,0.26211628317832947f,0.2953031361103058f,-6.836662292480469f,1.5429974794387817f,-0.5487178564071655f,4.68589448928833f,0.24202124774456024f,-3.6199753284454346f},
{-0.5866785645484924f,1.7805474996566772f,-0.25313520431518555f,-4.881411075592041f,0.036378175020217896f,1.6190418004989624f,-0.5253432393074036f,-0.08570799231529236f,-0.024399548768997192f,-0.39465832710266113f,-11.805133819580078f,0.763131856918335f,-0.5127856135368347f,-0.5718107223510742f,-0.36684390902519226f,-8.376072883605957f},
{0.23423577845096588f,0.4247382581233978f,-0.3519742488861084f,-1.3697437047958374f,-0.3015052080154419f,0.5736976265907288f,-0.5804772973060608f,-0.019414573907852173f,-0.23047015070915222f,0.3579089343547821f,-0.11964000016450882f,-2.065199136734009f,-1.6034106016159058f,0.039161406457424164f,0.12672673165798187f,-1.2211551666259766f},
{-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},
{-0.6134082078933716f,0.3990894854068756f,0.33083590865135193f,-4.960508346557617f,-0.14358049631118774f,-0.9810184836387634f,-0.20774714648723602f,-0.3003333508968353f,0.2600560486316681f,-0.37898191809654236f,-3.415098190307617f,-0.3456001579761505f,-1.897263526916504f,1.9583563804626465f,0.012445734813809395f,-4.451599597930908f},
{-0.5657548308372498f,0.37838178873062134f,-0.11379697918891907f,-7.259606838226318f,0.041274964809417725f,0.17968882620334625f,-0.45091137290000916f,0.0019084513187408447f,0.06103590130805969f,-0.38046833872795105f,1.0661883354187012f,-2.980224609375f,-1.2175616025924683f,0.09803862124681473f,-0.4021683633327484f,-6.481786251068115f},
{0.24295984208583832f,-0.06448495388031006f,-0.13502129912376404f,0.35420310497283936f,0.12987366318702698f,0.3900074064731598f,0.2711336314678192f,-0.3632148504257202f,-0.13619378209114075f,0.16938945651054382f,0.4875832200050354f,0.3686370849609375f,0.5481210947036743f,-0.35815680027008057f,-0.06441108137369156f,0.44282639026641846f},
{-1.3124998807907104f,0.6746386289596558f,0.0457797646522522f,-1.162573218345642f,-0.03321319818496704f,0.05734774097800255f,-0.11336398869752884f,-0.20421427488327026f,-0.050184011459350586f,0.12480869889259338f,1.820765495300293f,-2.3944051265716553f,-4.705748558044434f,0.6866419315338135f,-0.42050856351852417f,-9.880997657775879f},
{0.1465579718351364f,0.8260698914527893f,0.3954955041408539f,-0.7002646923065186f,0.0033026933670043945f,1.2277110815048218f,-0.5486927032470703f,-0.11795541644096375f,0.3487861454486847f,-0.32520344853401184f,-6.935137748718262f,-1.0798970460891724f,-0.025216050446033478f,-1.037962555885315f,0.07905270904302597f,-1.6201763153076172f},
{-0.2708614468574524f,-0.2144051492214203f,-0.15798500180244446f,0.35074716806411743f,-0.37393757700920105f,0.369097501039505f,0.11292675137519836f,-0.2947862446308136f,-0.3764709532260895f,0.2424570620059967f,-0.11164893954992294f,-0.29776984453201294f,0.41839322447776794f,-0.015340163372457027f,-0.12772928178310394f,0.10167065262794495f},
{-0.3063277006149292f,0.1949380338191986f,-0.2018718123435974f,0.05881333351135254f,0.07545611262321472f,-0.07091067731380463f,-0.11297860741615295f,-0.21416273713111877f,-0.24509364366531372f,0.19522181153297424f,0.40758153796195984f,-0.28596025705337524f,0.11338529735803604f,0.347584068775177f,-0.2603289484977722f,0.017875438556075096f},
{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},
{-0.6338363289833069f,0.15663613379001617f,0.12081471085548401f,-0.2615453004837036f,0.29976895451545715f,-0.045675039291381836f,-0.112851083278656f,0.31089308857917786f,-0.3893685042858124f,-0.02222958207130432f,0.35402700304985046f,-0.14616478979587555f,-0.4587692618370056f,0.22715634107589722f,0.2205735146999359f,-0.045631762593984604f},
};
const float h3[16][16] = {
{-0.36079341173171997f,-0.11375311762094498f,-0.28949299454689026f,-0.9015511274337769f,-0.413806289434433f,0.14414697885513306f,0.3332441747188568f,0.3036012351512909f,-0.3419775366783142f,0.04891335964202881f,-0.11870327591896057f,0.4001283347606659f,-0.15048837661743164f,0.4917660355567932f,-0.17949911952018738f,-0.10041218996047974f},
{0.047732532024383545f,0.06898197531700134f,-0.4988657534122467f,-1.5503082275390625f,-1.2569459676742554f,-0.13947255909442902f,-0.3198729455471039f,0.06247803568840027f,0.24785417318344116f,-0.1780138611793518f,0.2946723401546478f,-16.714765548706055f,-1.0682876110076904f,0.9206401109695435f,-17.23053741455078f,-1.4738439321517944f},
{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,-0.27169063687324524f,0.4895106554031372f,-1.8414978981018066f,-1.5315299034118652f,0.3458118736743927f,0.20021501183509827f,-0.08559906482696533f,-0.354495108127594f,-0.4125826954841614f,0.13192829489707947f,1.3772459030151367f,-0.5821530222892761f,1.5091508626937866f,3.169440269470215f,-0.5795254111289978f},
{-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,-0.3669202923774719f,-2.7028520107269287f,-24.626516342163086f,-0.8697937726974487f,-2.0088162422180176f,-0.18732719123363495f,0.07058869302272797f,-0.5731209516525269f,-0.22806330025196075f,-0.18127796053886414f,3.532975912094116f,-0.9611576795578003f,0.39811253547668457f,-0.9827749729156494f,-0.9041109085083008f},
{0.4110594093799591f,0.2715781033039093f,-0.35195863246917725f,0.22231970727443695f,-0.002473384141921997f,-0.12354683876037598f,-0.08670487999916077f,-0.25336313247680664f,-0.030661463737487793f,-0.06259563565254211f,-0.1344406008720398f,0.44578853249549866f,0.21155259013175964f,0.21144145727157593f,0.2842951714992523f,-0.3391006588935852f},
{-0.40892091393470764f,0.043769627809524536f,-0.3867315948009491f,0.25968697667121887f,0.3424709737300873f,-0.051169753074645996f,-0.23312048614025116f,-0.390264093875885f,0.28059282898902893f,-0.1559126079082489f,-0.14134526252746582f,-0.0003446042537689209f,-0.2742875814437866f,-0.36560842394828796f,0.07994696497917175f,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,0.2185560166835785f,0.27016153931617737f,-1.0599974393844604f,0.11374619603157043f,1.838220238685608f,-0.08742031455039978f,0.05785742402076721f,-0.029555926099419594f,-0.2220277339220047f,0.1268840730190277f,-0.3651267886161804f,0.060722678899765015f,1.0666049718856812f,3.512547731399536f,0.2776643931865692f},
{-0.408692330121994f,-0.15438619256019592f,0.5819749236106873f,-0.07420416176319122f,0.10158665478229523f,0.01825050637125969f,0.03285527229309082f,0.23852694034576416f,-0.20705322921276093f,-0.25883403420448303f,0.12809070944786072f,1.161329984664917f,-0.4221670627593994f,-0.004145645070821047f,-2.955612897872925f,0.31509339809417725f},
{-0.2991822361946106f,0.3794580399990082f,-0.9969490766525269f,0.0317951962351799f,-0.8151211738586426f,0.8075005412101746f,-0.11253207921981812f,0.34576353430747986f,0.04814547300338745f,-0.36239752173423767f,-0.044228196144104004f,-0.36229726672172546f,-0.7909796237945557f,0.7163180708885193f,0.7956690788269043f,-0.5093833208084106f},
{-0.2675279378890991f,-0.23097723722457886f,0.7337148785591125f,0.9824791550636292f,-0.049845460802316666f,-1.5489040613174438f,-0.32875844836235046f,-0.47165852785110474f,-0.4631350636482239f,-0.6303160190582275f,-0.48401927947998047f,-2.797518491744995f,0.181659534573555f,-0.9269685745239258f,-0.06325587630271912f,-0.0038900345098227262f},
{-0.015470266342163086f,-0.3162641227245331f,0.35182464122772217f,0.37362968921661377f,0.05728957802057266f,-0.3276157081127167f,0.05196094512939453f,-0.008358269929885864f,-0.3483721613883972f,-0.38441595435142517f,0.13179203867912292f,-0.11511552333831787f,0.23347492516040802f,0.035220809280872345f,0.15253464877605438f,-0.4677632749080658f},
{0.1863725483417511f,0.31412801146507263f,-0.02558724395930767f,-1.6316707134246826f,-0.6495444774627686f,0.33418598771095276f,0.04860696196556091f,0.021626541391015053f,-0.01945028081536293f,0.1728840321302414f,-0.3929237127304077f,1.8320430517196655f,-0.026717016473412514f,3.916369915008545f,-2.8514344692230225f,-0.08481165766716003f},
};
const float hout[16] = { 0.45773375034332275f,0.3777436316013336f,-0.2657872140407562f,-0.39973798394203186f,-0.28962188959121704f,0.07055342197418213f,0.0030125975608825684f,0.030548786744475365f,-0.3354935646057129f,-0.17213624715805054f,0.23702484369277954f,-0.3935646712779999f,0.018389074131846428f,0.3758097290992737f,0.28183016180992126f,-0.46435898542404175f };
const float b1[16] = { 1.1100789308547974f,1.6171516180038452f,-1.7145336866378784f,0.8533738255500793f,2.615485668182373f,1.693860650062561f,-0.058932315558195114f,2.7782814502716064f,1.4163953065872192f,-1.0262794494628906f,1.345931887626648f,1.316428780555725f,-0.36870136857032776f,-0.8856639266014099f,-1.087764859199524f,1.0242702960968018f };
const float b2[16] = { -0.2496151179075241f,-0.6192721128463745f,-1.4564176797866821f,3.241331100463867f,-0.6939148902893066f,0.7602152228355408f,-0.03064180351793766f,-0.30969977378845215f,-1.20063054561615f,-1.912178635597229f,1.3752033710479736f,0.2879711985588074f,-0.020430197939276695f,1.1505300998687744f,-0.12027230858802795f,2.9625840187072754f };
const float b3[16] = { -1.963319182395935f,-0.6181425452232361f,0.8923199772834778f,-2.4549334049224854f,-0.2526961863040924f,-1.480323076248169f,-0.45353031158447266f,-0.8093230128288269f,0.45166435837745667f,0.3302176892757416f,-0.22691340744495392f,-0.4341474175453186f,-0.807792067527771f,1.5697368383407593f,-1.69469153881073f,-0.5960760712623596f };
const float bout[1] = { -0.021720387041568756f };
float VALVE_POS_RAW_NN = 0.0f;
float DDV_JOINT_POS_FF(float REF_JOINT_VEL);
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 ++;
//LED = 0;
if(NN_Control_Flag == 0) {
LED = 0;
}
else if(NN_Control_Flag == 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 = 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;
}
// // torque feedback
// torq.err = f_past[0] - torq.sen; //[N]
//// torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]
// torq.err_sum += torq.err/(float) 1500.0f; //[N]
//
//
// valve_pos.ref = ((float) P_GAIN_JOINT_TORQUE * torq.err + (float) I_GAIN_JOINT_TORQUE * torq.err_sum) * 0.01f + DDV_JOINT_POS_FF(vel.sen) + valve_pos.ref * 0.01f;
//
// 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) 1500.0f;
// } 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) 1500.0f;
// }
// }
if(LED==1) {
LED=0;
} else
LED = 1;
}
//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 = (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();
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);
}
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 > 0.0f) 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) {
if(valve_pos.ref>=(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);
}
//t_value = (double) value;
} else if(CURRENT_CONTROL_MODE==1) {
t_value = cur.sen * 1000.0f;
} 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] == LOW) {
//CAN_TX_PRES((int16_t) (pres_A.sen), (int16_t) (pres_B.sen)); // 1400
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);
}
CAN_TX_PRES((int16_t) (t_value), (int16_t) (V_out)); // 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
}