Yeseong Jeong
/
HydraulicControlBoard_Start
20210203
main.cpp
- Committer:
- Lightvalve
- Date:
- 2020-07-17
- Revision:
- 88:d6e591bece22
- Parent:
- 87:471334725012
- Child:
- 89:a7b45368ea0f
File content as of revision 88:d6e591bece22:
//200716-1 #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] = { {-2.8398470878601074f,0.6193283796310425f,0.12903714179992676f,0.5167921781539917f,-2.9680557250976562f,1.2951633930206299f,-0.17472904920578003f,0.4641677439212799f,-2.412757396697998f,-0.3652467429637909f,-0.2333867847919464f,-2.022353172302246f,-0.26348453760147095f,-0.7644635438919067f,-0.2571594715118408f,-2.0745327472686768f}, {-2.067868232727051f,0.1564812958240509f,-0.3927857577800751f,0.1317148059606552f,-2.017406702041626f,0.4895585775375366f,-0.4054011106491089f,-0.1517474502325058f,-1.380297064781189f,0.21619710326194763f,-0.2699335813522339f,-0.9855594038963318f,0.23649367690086365f,-0.7913738489151001f,-0.20967772603034973f,-1.2367783784866333f}, {-1.810051679611206f,0.23925012350082397f,0.36391180753707886f,-0.28798815608024597f,-1.3201149702072144f,0.6065874099731445f,0.2872133255004883f,0.10069674253463745f,-1.121034860610962f,0.03665628656744957f,-0.34347283840179443f,-0.9276648759841919f,-0.0013653822243213654f,-0.3784019947052002f,0.05590221285820007f,-1.5249348878860474f}, {-1.4985265731811523f,0.3095228374004364f,0.39742106199264526f,0.30592191219329834f,-0.9633183479309082f,0.3891645073890686f,-0.11584559082984924f,0.5953580737113953f,-0.43430089950561523f,-0.2335168570280075f,0.10071082413196564f,-1.4091436862945557f,-0.16311706602573395f,-0.7475653290748596f,-0.2961459457874298f,-1.5017070770263672f}, {0.1639259159564972f,-0.19264478981494904f,-0.0051451027393341064f,0.18278539180755615f,0.29258835315704346f,-0.16537047922611237f,0.1294034719467163f,-0.48302626609802246f,1.0344970226287842f,0.003881702898070216f,0.35295185446739197f,-1.817507028579712f,-0.06637570261955261f,0.00020343283540569246f,-0.3865056037902832f,-1.2658499479293823f}, {3.5226595401763916f,-3.8910415172576904f,0.21773302555084229f,0.12742145359516144f,3.8099546432495117f,-3.773838996887207f,0.16514194011688232f,-3.712245464324951f,4.016517639160156f,2.522937774658203f,-0.2422771006822586f,1.597900629043579f,-0.262627512216568f,2.9437081813812256f,-0.4132833778858185f,1.6044585704803467f}, {0.5298309326171875f,0.645086944103241f,-0.2501986622810364f,-0.6320685744285583f,-0.21611358225345612f,0.5605753064155579f,0.06014183163642883f,0.15844355523586273f,1.091471552848816f,0.3617567718029022f,0.1512620896100998f,0.027080470696091652f,-0.16920821368694305f,0.38405799865722656f,-0.15618428587913513f,1.549833059310913f}, {1.752773642539978f,0.24747805297374725f,-0.26619744300842285f,-0.22543148696422577f,0.8222247362136841f,-0.032656822353601456f,-0.17925891280174255f,0.3822891414165497f,0.9663873314857483f,-0.29047030210494995f,0.10626212507486343f,0.480464905500412f,0.37580054998397827f,-0.3655668795108795f,0.04303058981895447f,2.2091176509857178f}, {1.5919779539108276f,0.23339682817459106f,0.10248100757598877f,-0.6890998482704163f,0.7124201059341431f,-0.1378057301044464f,-0.07246989011764526f,-0.1262863576412201f,0.12226836383342743f,0.7040022015571594f,-0.2960217297077179f,1.793251633644104f,0.2337968796491623f,0.3650861084461212f,-0.30555272102355957f,1.9488884210586548f}, {0.7929409146308899f,-0.19633033871650696f,0.18462657928466797f,-0.41113781929016113f,0.49624335765838623f,0.27704986929893494f,-0.2990540862083435f,0.20519299805164337f,0.26225489377975464f,-0.0009923784527927637f,-0.006844776216894388f,-0.026139043271541595f,0.3769318759441376f,0.23515281081199646f,0.3484981060028076f,1.2790707349777222f}, {1.0052663087844849f,0.21766312420368195f,0.37182438373565674f,0.03326691314578056f,0.10429742187261581f,0.12684360146522522f,-0.20339298248291016f,0.17294499278068542f,0.07091208547353745f,0.49463531374931335f,0.35001638531684875f,-1.0357372760772705f,-0.06227460876107216f,0.5203415751457214f,0.26688337326049805f,1.0582129955291748f}, {-0.009967411868274212f,-0.20030762255191803f,-0.40320003032684326f,-0.17532263696193695f,0.07007589191198349f,0.0698668584227562f,0.1533789038658142f,0.5579044818878174f,0.05135143920779228f,0.5766482949256897f,-0.412638396024704f,-0.258128821849823f,0.14867377281188965f,0.5353510975837708f,0.10493969917297363f,1.0005464553833008f}, {-0.20331288874149323f,-0.21851132810115814f,0.19847965240478516f,0.00805686879903078f,0.007025514263659716f,0.05012793838977814f,-0.2404318004846573f,0.1803596019744873f,-0.9538044929504395f,0.49284112453460693f,-0.10772302746772766f,1.2581406831741333f,0.09621597081422806f,0.9510980844497681f,-0.22268100082874298f,0.22397258877754211f}, {-0.6508997082710266f,-0.005330599378794432f,0.4127817749977112f,-0.18556444346904755f,-0.6933119893074036f,-0.3204803168773651f,-0.32001304626464844f,-0.1965908706188202f,-1.1774673461914062f,0.3878006637096405f,-0.1934521198272705f,1.7537204027175903f,-0.3080941140651703f,0.6027981638908386f,0.0479682981967926f,-0.4101039469242096f}, {-0.30106139183044434f,0.007497094571590424f,0.20282304286956787f,0.010503530502319336f,0.032386597245931625f,-0.3577798306941986f,0.04202890396118164f,0.21007822453975677f,-0.5572863817214966f,0.7413191795349121f,-0.2778761684894562f,1.2456766366958618f,0.10794247686862946f,0.47872665524482727f,0.0668090283870697f,-0.8287897109985352f}, {-0.2796498239040375f,-0.3129813075065613f,-0.40439701080322266f,-0.1320924609899521f,-0.15521378815174103f,-0.3492761254310608f,-0.15568238496780396f,-0.112495556473732f,-0.6156744956970215f,0.48157981038093567f,-0.47240906953811646f,1.4889256954193115f,-0.2668617367744446f,0.2596912980079651f,-0.08245879411697388f,-1.1128588914871216f}, {-0.37335193157196045f,-0.12954241037368774f,0.16706281900405884f,0.042002953588962555f,0.029660088941454887f,-0.728316605091095f,-0.041414469480514526f,-0.08492930978536606f,-1.3732367753982544f,0.5850858688354492f,-0.3521037995815277f,2.2308602333068848f,0.1164640337228775f,0.3607781231403351f,0.29427415132522583f,-2.0208303928375244f}, }; const float h2[16][16] = { {-2.6471354961395264f,-2.679286479949951f,-0.21649284660816193f,-1.7232879400253296f,-0.21907491981983185f,-2.729369640350342f,-0.284547358751297f,0.0904630720615387f,-0.43008196353912354f,-0.1415480375289917f,-4.236062049865723f,-4.173418998718262f,-0.23334987461566925f,-0.9168315529823303f,3.094501256942749f,0.9049396514892578f}, {3.518364667892456f,-4.636336803436279f,-0.0792427808046341f,-2.1648776531219482f,-0.35503754019737244f,-1.789704442024231f,-0.6473678350448608f,-0.2990124225616455f,-0.33757925033569336f,0.2895788848400116f,-3.1890182495117188f,-1.316067099571228f,0.05698845908045769f,2.936434745788574f,1.0156790018081665f,-2.7771856784820557f}, {-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}, {0.035982225090265274f,-0.3313581943511963f,-0.2894435524940491f,0.3545926511287689f,0.08946844935417175f,0.2831231355667114f,-0.23805393278598785f,0.4122363030910492f,0.26211628317832947f,0.2953031361103058f,0.2838204801082611f,0.28033801913261414f,-0.4285939037799835f,-0.15804921090602875f,0.24909892678260803f,-0.06571611762046814f}, {-1.3361948728561401f,-0.9798497557640076f,-0.39768946170806885f,-0.4999014437198639f,0.036378175020217896f,-1.0754427909851074f,-0.44910115003585815f,-0.08570799231529236f,-0.024399548768997192f,-0.39465832710266113f,-1.3597677946090698f,-0.884815514087677f,-0.15269401669502258f,-0.39067545533180237f,1.1105893850326538f,0.2311859279870987f}, {1.95911705493927f,-0.6747143864631653f,-0.49011531472206116f,-2.0458433628082275f,-0.3015052080154419f,-1.1922862529754639f,-0.7310768365859985f,-0.019414573907852173f,-0.23047015070915222f,0.3579089343547821f,-2.5488033294677734f,1.7947808504104614f,-0.5091095566749573f,1.4733959436416626f,0.379915714263916f,-2.2026352882385254f}, {-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}, {2.4917449951171875f,-2.8453586101531982f,0.18713310360908508f,-1.6128438711166382f,-0.14358049631118774f,-1.4727948904037476f,-0.24004870653152466f,-0.3003333508968353f,0.2600560486316681f,-0.37898191809654236f,-2.8529953956604004f,-3.938023567199707f,-0.6344656348228455f,1.6513631343841553f,0.7034623622894287f,-1.5733808279037476f}, {-0.6641551852226257f,-0.12082239240407944f,-0.2573299705982208f,-0.7453504204750061f,0.041274964809417725f,-1.1943076848983765f,-0.591788113117218f,0.0019084513187408447f,0.06103590130805969f,-0.38046833872795105f,-3.445509433746338f,0.5281965732574463f,-0.5933701395988464f,0.0359068363904953f,0.5833016633987427f,-0.2251288890838623f}, {-0.5226826071739197f,1.5946403741836548f,-0.21562400460243225f,0.5621151328086853f,0.12987366318702698f,0.19068573415279388f,-0.045690249651670456f,-0.3632148504257202f,-0.13619378209114075f,0.16938945651054382f,0.4805721342563629f,-0.1503297984600067f,0.16193372011184692f,-0.9004831910133362f,-0.9160167574882507f,-0.7731848359107971f}, {-0.2912669777870178f,0.015835795551538467f,0.0457797646522522f,-0.3523545265197754f,-0.03321319818496704f,-0.4002332091331482f,0.17873415350914001f,-0.20421427488327026f,-0.050184011459350586f,0.12480869889259338f,-0.19006967544555664f,0.3545852601528168f,-0.3647043704986572f,0.3974943459033966f,-0.41870367527008057f,-0.26338401436805725f}, {0.3733121156692505f,-1.5026254653930664f,0.24167154729366302f,-5.510858535766602f,0.0033026933670043945f,-1.5894434452056885f,-0.14932051301002502f,-0.11795541644096375f,0.3487861454486847f,-0.32520344853401184f,-5.323966979980469f,-3.9015135765075684f,-0.4391670525074005f,-0.6654871106147766f,-0.565035343170166f,0.0247567817568779f}, {-0.26980137825012207f,-0.20259903371334076f,-0.15798500180244446f,0.39488306641578674f,-0.37393757700920105f,0.3695334494113922f,0.11292675137519836f,-0.2947862446308136f,-0.3764709532260895f,0.2424570620059967f,-0.1016426756978035f,-0.2837170362472534f,0.41839322447776794f,-0.02783525362610817f,-0.13728779554367065f,0.11949998885393143f}, {-0.4874493479728699f,0.8317313194274902f,-0.24085062742233276f,0.3516998291015625f,0.07545611262321472f,0.16741907596588135f,-0.42260366678237915f,-0.21416273713111877f,-0.24509364366531372f,0.19522181153297424f,0.40794217586517334f,-1.5309667587280273f,-0.3829731047153473f,-1.0989971160888672f,-0.34208887815475464f,-0.3001635670661926f}, {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}, {-1.076820969581604f,4.704056262969971f,-0.023804863914847374f,-3.6752617359161377f,0.29976895451545715f,-1.2358992099761963f,-0.7081507444381714f,0.31089308857917786f,-0.3893685042858124f,-0.02222958207130432f,-3.34683895111084f,-7.507437229156494f,-0.5566414594650269f,-1.4245333671569824f,-3.6681931018829346f,-0.4027198255062103f}, }; const float h3[16][16] = { {-0.36079341173171997f,-1.8617219924926758f,-1.2575057744979858f,-0.9306641817092896f,0.3558339774608612f,-2.0424766540527344f,0.11611730605363846f,1.256561040878296f,-0.435831755399704f,0.38453155755996704f,-2.9874141216278076f,0.10927560925483704f,-1.1128313541412354f,-2.5368101596832275f,-1.1479690074920654f,-0.39199838042259216f}, {0.047732532024383545f,-1.2678391933441162f,-2.529970169067383f,2.9182093143463135f,-0.27740737795829773f,-0.7743249535560608f,-0.4142161011695862f,0.22686052322387695f,-0.351260244846344f,-1.1779210567474365f,0.9747219681739807f,-0.40117883682250977f,1.327101707458496f,0.6030343770980835f,-0.22775816917419434f,-3.164977788925171f}, {0.07903262972831726f,0.22941854596138f,-0.07798504829406738f,0.04248586297035217f,-0.1963958442211151f,-0.19260792434215546f,-0.4038352966308594f,-0.05057113990187645f,0.15353140234947205f,0.030178606510162354f,0.2488909661769867f,0.13805970549583435f,-0.0816211998462677f,-0.20733052492141724f,-0.3036302626132965f,0.054825395345687866f}, {-0.30922991037368774f,1.0314021110534668f,0.1642177850008011f,-0.4614163041114807f,-0.13128569722175598f,0.8268561959266663f,0.20021501183509827f,-1.2866121530532837f,-0.5409347414970398f,-0.9091742038726807f,-0.2354840338230133f,0.41021624207496643f,0.35516393184661865f,0.8673098087310791f,1.322227120399475f,1.4147356748580933f}, {-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,1.8969228267669678f,0.26356711983680725f,0.1305214911699295f,0.4255841374397278f,1.1492807865142822f,-0.18732719123363495f,0.22384825348854065f,-0.9112855792045593f,-0.06272096186876297f,-0.194618821144104f,0.5028096437454224f,-0.5430096983909607f,1.8543678522109985f,1.0055639743804932f,0.5463916659355164f}, {0.4110594093799591f,-0.10662679374217987f,-0.26057958602905273f,0.37246426939964294f,0.4791482985019684f,-0.2845681607723236f,-0.08670487999916077f,-0.25336313247680664f,-0.030661463737487793f,-0.06259563565254211f,-0.039170607924461365f,0.35313835740089417f,0.35766708850860596f,-0.12171289324760437f,0.19238731265068054f,0.04569069296121597f}, {-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,2.152371644973755f,0.005577231291681528f,-0.15224629640579224f,-0.4193795323371887f,0.9709478616714478f,-0.08742031455039978f,-0.3372936546802521f,-0.15335285663604736f,-0.4697112739086151f,0.37293538451194763f,-0.2729160487651825f,0.29973986744880676f,0.8407669067382812f,0.6116405725479126f,0.041041117161512375f}, {-0.408692330121994f,-1.024823784828186f,0.07979505509138107f,0.9620193243026733f,0.40785548090934753f,-0.19494971632957458f,0.03285527229309082f,0.38763079047203064f,-0.20705322921276093f,-0.25883403420448303f,-0.39687445759773254f,0.03996849060058594f,0.11638089269399643f,-2.3363451957702637f,-0.1602039635181427f,0.8980573415756226f}, {-0.2991822361946106f,0.1481817066669464f,-0.004251172766089439f,-0.05932474136352539f,0.3329566717147827f,0.009607115760445595f,-0.11253207921981812f,0.34576353430747986f,0.04814547300338745f,-0.35770976543426514f,0.028703585267066956f,-0.36229726672172546f,0.35251477360725403f,-0.18715228140354156f,0.2748355269432068f,0.3479139804840088f}, {-0.2675279378890991f,-0.8848872780799866f,0.2171228677034378f,0.15358519554138184f,0.7216522693634033f,-1.1589571237564087f,-0.5819693803787231f,-7.12623405456543f,-0.5964111685752869f,-2.346191644668579f,0.9024726748466492f,-0.7827144861221313f,0.5923935174942017f,-0.09883228689432144f,-0.274576336145401f,0.9632737040519714f}, {-0.015470266342163086f,-4.066640853881836f,-0.35172760486602783f,-0.1611492931842804f,0.011647416278719902f,-1.6305570602416992f,-0.16005642712116241f,-1.9158589839935303f,-0.5295083522796631f,-3.62418794631958f,-2.0960512161254883f,-0.5138456225395203f,-1.9036948680877686f,-2.3704395294189453f,-1.1995127201080322f,-0.005027666687965393f}, {0.1863725483417511f,0.1643422544002533f,-3.06244158744812f,-0.7068259716033936f,-0.37519770860671997f,-0.8317462205886841f,-0.06685321033000946f,-0.9036019444465637f,-0.2971649169921875f,-0.7144879102706909f,-2.9270541667938232f,-0.05449836328625679f,-2.543490171432495f,-2.367345094680786f,-1.3904540538787842f,-0.02221091091632843f}, }; const float hout[16] = { 0.45773375034332275f,0.3510032594203949f,-0.09271220117807388f,0.23885536193847656f,-0.13681545853614807f,0.8108619451522827f,-0.013286924920976162f,0.7315025329589844f,-0.037878382951021194f,0.07188846170902252f,-0.21298690140247345f,0.053339168429374695f,0.7597355246543884f,0.32502415776252747f,1.824535846710205f,-0.24919147789478302f }; const float b1[16] = { 2.6026535034179688f,2.6166093349456787f,-1.7145336866378784f,0.05604401230812073f,2.5074756145477295f,1.8178743124008179f,-0.058932315558195114f,2.566000461578369f,2.066876173019409f,-2.594883441925049f,0.573148787021637f,0.8882091641426086f,-0.367378294467926f,-2.1727375984191895f,-1.087764859199524f,3.129455089569092f }; const float b2[16] = { 0.854680061340332f,-1.5880934000015259f,-1.5945011377334595f,-1.1204560995101929f,-0.6939148902893066f,-0.8427667021751404f,0.11775382608175278f,-0.30969977378845215f,-1.20063054561615f,-1.912178635597229f,-1.1466102600097656f,2.1076982021331787f,-0.33285725116729736f,3.093627452850342f,1.846516489982605f,0.7689627408981323f }; const float b3[16] = { -1.963319182395935f,1.6035748720169067f,-1.0893652439117432f,1.0509281158447266f,-1.7570738792419434f,-0.17915689945220947f,-0.6738864183425903f,0.7415692210197449f,-0.12905780971050262f,-0.6975569128990173f,-0.5690303444862366f,-0.27897197008132935f,-2.201923131942749f,1.7163525819778442f,-1.6757004261016846f,0.005519242025911808f }; const float bout[1] = { 0.3794841468334198f }; 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 = 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 += 0.000003f * (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); } // 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 * 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] == 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 }