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2011
main.cpp
- Committer:
- Lightvalve
- Date:
- 2020-09-16
- Revision:
- 123:2397bee14630
- Parent:
- 122:caeba45d7493
- Child:
- 124:146cf8e5540b
File content as of revision 123:2397bee14630:
//200916-2 #include "mbed.h" #include "FastPWM.h" #include "INIT_HW.h" #include "function_CAN.h" #include "SPI_EEP_ENC.h" #include "I2C_AS5510.h" #include "setting.h" #include "function_utilities.h" #include "stm32f4xx_flash.h" #include "FlashWriter.h" 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 u_past[num_array_u_past] = {0.0f}; float x_past[num_array_x_past] = {0.0f}; float x_future[num_array_x_future] = {0.0f}; float f_past[num_array_f_past] = {0.0f}; float f_future[num_array_f_future] = {0.0f}; float input_NN[num_input] = { 0.0f }; const float h1[num_input][16] = { {-0.2650415897369385f,-0.2266855090856552f,0.11304140090942383f,-0.16111214458942413f,0.000962256221100688f,-0.7015852332115173f,-0.15306922793388367f,-0.34351199865341187f,-0.2485356330871582f,-0.09949490427970886f,-0.17296874523162842f,-0.4418388903141022f,-0.45639923214912415f,0.1792629212141037f,-0.22528137266635895f,-0.046356771141290665f}, {-0.34476131200790405f,0.05035892501473427f,-0.3440950810909271f,-0.12166793644428253f,-0.12978488206863403f,-0.564797043800354f,-0.3551466166973114f,-0.5403838157653809f,-0.0683736652135849f,0.06010306254029274f,-0.33323895931243896f,-0.2880015969276428f,0.008546403609216213f,-0.3312963545322418f,-0.1836855560541153f,-0.11869307607412338f}, {-0.28798386454582214f,-0.0550663098692894f,0.3188004493713379f,-0.2729038596153259f,0.578967809677124f,-0.4359968304634094f,0.2516096830368042f,-0.2467883676290512f,-0.13996797800064087f,0.17826195061206818f,-0.513801097869873f,-0.15727214515209198f,0.0398615263402462f,-0.24707339704036713f,0.04897245764732361f,0.1179916262626648f}, {-0.19986844062805176f,-0.14473193883895874f,0.34815579652786255f,-0.03571606054902077f,0.7015755772590637f,-0.4670792818069458f,-0.10148510336875916f,0.09462548792362213f,0.020932242274284363f,0.33684539794921875f,0.020999392494559288f,0.25216999650001526f,0.104360431432724f,-0.2532050311565399f,-0.2594349980354309f,0.46628695726394653f}, {-0.23217283189296722f,2.836884021759033f,-0.004507303237915039f,0.963344156742096f,-5.92897891998291f,1.1453996896743774f,0.11336228251457214f,0.5257752537727356f,0.026472793892025948f,1.2131098508834839f,1.2210519313812256f,-0.1527392864227295f,-0.0646747425198555f,0.7959047555923462f,-0.33859342336654663f,-0.638805627822876f}, {0.2451237589120865f,-0.4424527883529663f,0.19074231386184692f,0.9786537885665894f,-0.08557306975126266f,0.4897681772708893f,0.1446705460548401f,-0.4391725957393646f,0.029257990419864655f,-0.3657994270324707f,-0.6502208113670349f,0.6539005637168884f,-0.3794007897377014f,-0.23847676813602448f,-0.36205175518989563f,-0.4808618426322937f}, {-0.09238868951797485f,-0.11141838133335114f,-0.21918344497680664f,-0.07423228025436401f,-0.38859713077545166f,0.4830581545829773f,0.05268651247024536f,-0.4287216067314148f,0.3201412558555603f,-0.18582354485988617f,-0.05627317354083061f,0.4872809052467346f,-0.32073190808296204f,0.04183678701519966f,-0.13682329654693604f,-0.28983333706855774f}, {-0.17723223567008972f,-0.23719273507595062f,-0.23319895565509796f,0.10649680346250534f,-0.19495375454425812f,-0.17253482341766357f,-0.15703755617141724f,-0.40228527784347534f,0.024978138506412506f,0.036023057997226715f,0.09830993413925171f,-0.10601644963026047f,0.1375214159488678f,0.03312224894762039f,0.03769642114639282f,-0.11102518439292908f}, {-0.05873361974954605f,0.3485785126686096f,0.08977723121643066f,-0.4136718511581421f,-0.01881062611937523f,-0.1027454286813736f,-0.06348633766174316f,-0.4452950358390808f,-0.23471727967262268f,0.324480265378952f,-0.16765698790550232f,0.17052753269672394f,0.004473761189728975f,0.18368199467658997f,-0.2676756680011749f,-0.09213045984506607f}, {-0.2986011207103729f,-0.006048486568033695f,0.16173982620239258f,-0.44918394088745117f,0.42938488721847534f,-0.27215543389320374f,-0.26198261976242065f,-0.13064485788345337f,-0.004488010890781879f,-0.2150302678346634f,0.26757246255874634f,-0.741077184677124f,0.12457937747240067f,-0.01409436296671629f,0.3052974343299866f,-0.2758890390396118f}, {0.16456854343414307f,0.3465326130390167f,0.32573211193084717f,-0.11032920330762863f,0.3078192174434662f,-0.4822096824645996f,-0.17817988991737366f,-0.04153018444776535f,-0.37137818336486816f,0.25947305560112f,0.5965789556503296f,-0.5917378664016724f,-0.24988068640232086f,0.20410633087158203f,0.23379981517791748f,-0.5647242665290833f}, {-0.4494836926460266f,-0.9080290794372559f,-0.3532183766365051f,-0.9125430583953857f,1.6493059396743774f,-0.7588765025138855f,0.13436567783355713f,0.14007124304771423f,-0.12859687209129333f,0.21124646067619324f,-0.31362366676330566f,-0.497448593378067f,-0.07352820038795471f,0.19537241756916046f,0.09193113446235657f,-0.3929024636745453f}, {-0.22864265739917755f,-0.3809680640697479f,0.173875629901886f,-0.28200459480285645f,1.1228809356689453f,-0.08153393864631653f,-0.21062730252742767f,-0.013611496426165104f,-0.1476786583662033f,-0.17484146356582642f,-0.09890472143888474f,-0.7095948457717896f,-0.19261428713798523f,0.10025075823068619f,-0.19507692754268646f,-0.8600208163261414f}, {-0.37679407000541687f,0.19774684309959412f,0.36161231994628906f,-0.17996598780155182f,-0.007960074581205845f,-0.09807709604501724f,-0.2803434431552887f,-0.3882972300052643f,-0.10102713108062744f,-0.09765742719173431f,-0.10934720188379288f,-0.7794925570487976f,-0.6264658570289612f,0.03252812474966049f,0.04202204942703247f,-0.740649402141571f}, {-0.03853116184473038f,0.9125444889068604f,0.1776806116104126f,0.30703380703926086f,-0.31755203008651733f,0.2315739542245865f,0.036818891763687134f,0.030226821079850197f,0.2836821973323822f,0.3701620101928711f,0.019196582958102226f,-0.9966630339622498f,-0.2679782807826996f,0.09686482697725296f,0.058527231216430664f,-0.9265385270118713f}, {-0.0996430516242981f,1.2574621438980103f,-0.3542669713497162f,-0.5794497132301331f,-0.6418799161911011f,-0.5013198852539062f,-0.13638360798358917f,-0.36097314953804016f,0.19444529712200165f,0.9763175249099731f,0.6531984806060791f,-1.2213093042373657f,-0.4945835471153259f,0.9012706875801086f,-0.07223698496818542f,-0.865706205368042f}, {0.5654222965240479f,-0.5102725028991699f,0.14635330438613892f,2.6740050315856934f,-1.6372088193893433f,2.1711809635162354f,-0.03628063201904297f,-1.0233087539672852f,-0.03756094351410866f,-1.5304253101348877f,-1.823265552520752f,2.1647331714630127f,0.17856623232364655f,-1.4666118621826172f,0.25779521465301514f,-0.3929840922355652f}, {0.17067764699459076f,-0.5587964653968811f,0.18322283029556274f,1.1901689767837524f,-1.9191030263900757f,1.498706340789795f,-0.3163079023361206f,-0.349752813577652f,-0.3390539884567261f,-1.0395170450210571f,-0.9607593417167664f,1.3131834268569946f,0.4122202396392822f,-0.9036545157432556f,-0.2407861351966858f,0.14935609698295593f}, {-0.3221697509288788f,-0.46991419792175293f,-0.2609631419181824f,-0.36409568786621094f,1.2114920616149902f,-0.6748901605606079f,0.2401489019393921f,-0.4093233346939087f,-0.33513402938842773f,0.036116499453783035f,-0.24113763868808746f,0.43791481852531433f,0.22877435386180878f,0.606373131275177f,-0.28592410683631897f,0.009643382392823696f}, {0.02481945790350437f,-0.27907565236091614f,0.1335710883140564f,-1.5815545320510864f,2.0964059829711914f,-1.4364897012710571f,-0.1246849000453949f,-0.19263654947280884f,-0.13507309556007385f,0.5806243419647217f,0.7261980772018433f,0.03575444594025612f,0.2714070677757263f,1.2584396600723267f,0.1255095899105072f,0.609761118888855f}, {-0.5438539981842041f,-0.7084044218063354f,-0.07108169794082642f,-0.9551764726638794f,2.052342653274536f,-1.4793479442596436f,0.13563674688339233f,0.21979449689388275f,-0.3204258680343628f,0.3673838973045349f,0.336106538772583f,-0.5366897583007812f,-0.17895866930484772f,1.2046540975570679f,0.01829466223716736f,0.6008890867233276f}, {-0.47640806436538696f,-0.7512473464012146f,0.24740570783615112f,-0.5231333374977112f,1.2888580560684204f,-0.5799462795257568f,0.25593245029449463f,0.08714229613542557f,-0.04646488279104233f,0.34195324778556824f,0.28199899196624756f,-0.14047646522521973f,0.2135162502527237f,0.3117673397064209f,0.056514471769332886f,0.3938440680503845f}, {0.09136072546243668f,-0.07769602537155151f,-0.3288555443286896f,0.01780693233013153f,0.14057400822639465f,-0.35934290289878845f,-0.11800059676170349f,-0.057746078819036484f,-0.24742496013641357f,0.5071731805801392f,0.4942764639854431f,0.056929513812065125f,0.035150449723005295f,0.033244676887989044f,-0.3194865584373474f,0.3426465392112732f}, {0.0014575060922652483f,-0.29516175389289856f,-0.29844698309898376f,-0.1353914737701416f,0.17718131840229034f,0.38220804929733276f,-0.249517560005188f,0.22828775644302368f,-0.39046934247016907f,0.3742261528968811f,0.3643115162849426f,0.058736030012369156f,0.33089911937713623f,0.2733519375324249f,0.23831695318222046f,-0.2618117332458496f}, {0.16441123187541962f,-0.21133501827716827f,0.20589900016784668f,0.2957554757595062f,-0.20332811772823334f,0.013652810826897621f,-0.2483310103416443f,0.10473039746284485f,-0.11949034780263901f,0.586356520652771f,-0.07662099599838257f,-0.0354391448199749f,-0.2444823831319809f,-0.158062145113945f,0.06927120685577393f,-0.40918442606925964f}, {-0.2850320637226105f,0.22017164528369904f,0.008588135242462158f,-0.2230854034423828f,-0.516091525554657f,0.04753005504608154f,0.013287186622619629f,-0.1095397025346756f,0.20633608102798462f,0.05842011421918869f,0.12777604162693024f,-0.2401677668094635f,0.027820343151688576f,-0.35656100511550903f,-0.1702093929052353f,-0.25127503275871277f}, {-0.12495747953653336f,-0.1088222935795784f,0.06708025932312012f,0.30997392535209656f,-0.3031366765499115f,0.07451160252094269f,0.27470332384109497f,-0.17629916965961456f,-0.0682818815112114f,0.20521841943264008f,-0.01818404160439968f,-0.3150874674320221f,0.052828457206487656f,-0.012664095498621464f,0.11447501182556152f,-0.21966452896595f}, }; const float h2[16][16] = { {-0.25210505723953247f,-0.4059171676635742f,-0.06966331601142883f,0.11002802103757858f,-0.21907491981983185f,0.2113061249256134f,0.2173425555229187f,0.0904630720615387f,-0.43008196353912354f,-0.1415480375289917f,0.022778388112783432f,-0.23426251113414764f,0.08461258560419083f,0.16738787293434143f,0.09339773654937744f,-0.19839289784431458f}, {-0.05144146457314491f,0.26235613226890564f,0.057057321071624756f,1.2636829614639282f,-0.35503754019737244f,-2.9537904262542725f,-0.5500552654266357f,-0.3601891100406647f,-0.33757925033569336f,0.2895788848400116f,0.5950590968132019f,-0.5938291549682617f,0.17730596661567688f,0.9306899905204773f,-0.8107737898826599f,-1.5175559520721436f}, {-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}, {-0.1073802039027214f,-2.0666306018829346f,-0.2894435524940491f,1.566843032836914f,0.08946844935417175f,1.7545222043991089f,-0.49357226490974426f,0.3874346613883972f,0.26211628317832947f,0.2953031361103058f,-0.1634923666715622f,-0.0915038138628006f,-0.576101541519165f,0.14042358100414276f,0.7474720478057861f,-0.49090006947517395f}, {-0.26956015825271606f,1.6032721996307373f,-0.25313520431518555f,0.3794398009777069f,0.036378175020217896f,0.21563328802585602f,-0.2639320194721222f,-0.23935875296592712f,-0.024399548768997192f,-0.39465832710266113f,-0.16570092737674713f,-0.4338889718055725f,0.05565710738301277f,-0.44686269760131836f,-0.1949615627527237f,0.3505653440952301f}, {0.1844814419746399f,-2.3823330402374268f,-0.3519742488861084f,-0.030160164460539818f,-0.3015052080154419f,0.9162615537643433f,-0.5335845947265625f,-0.040498148649930954f,-0.23047015070915222f,0.3579089343547821f,0.1387607455253601f,-0.43387094140052795f,-0.38586199283599854f,-1.051857590675354f,0.8926781415939331f,-1.4197138547897339f}, {-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}, {0.053096361458301544f,0.05757596343755722f,0.33083590865135193f,0.16639335453510284f,-0.14358049631118774f,0.0038284813053905964f,-0.2811709940433502f,-0.3003333508968353f,0.2600560486316681f,-0.37898191809654236f,0.3825254738330841f,-0.48409196734428406f,-0.3470988869667053f,0.15141454339027405f,0.2035769522190094f,0.00413510762155056f}, {-0.25820738077163696f,0.3311062157154083f,-0.11379697918891907f,0.10723091661930084f,0.041274964809417725f,-0.3537191152572632f,-0.10284432768821716f,0.0019084513187408447f,0.06103590130805969f,-0.38046833872795105f,0.04538490250706673f,-0.3197441101074219f,-0.37024784088134766f,-0.27954789996147156f,-0.38179370760917664f,-0.22979736328125f}, {-0.20278996229171753f,0.35637736320495605f,-0.13502129912376404f,-0.2786235511302948f,0.12987366318702698f,0.24236103892326355f,0.02539968490600586f,-0.3632148504257202f,-0.13619378209114075f,0.16938945651054382f,0.883222222328186f,-0.09805093705654144f,0.2503664195537567f,-1.8711509704589844f,-0.24410827457904816f,0.38649991154670715f}, {-0.3232584297657013f,-0.053189944475889206f,0.0457797646522522f,-0.5087712407112122f,-0.03321319818496704f,-1.8744505643844604f,-0.03214165195822716f,-0.26336658000946045f,-0.050184011459350586f,0.12480869889259338f,0.6152644157409668f,-0.07211600244045258f,-0.453349769115448f,-1.5250720977783203f,-0.05216648057103157f,0.11892851442098618f}, {0.11140258610248566f,0.1321466863155365f,0.3954955041408539f,1.3737633228302002f,0.0033026933670043945f,-0.14030727744102478f,-0.42600369453430176f,-0.1593979150056839f,0.3487861454486847f,-0.32520344853401184f,0.46987098455429077f,-0.6833629012107849f,-0.08138442039489746f,-0.7832026481628418f,1.0384552478790283f,0.41698744893074036f}, {-0.38445141911506653f,-0.33038535714149475f,-0.15798500180244446f,0.5063937902450562f,-0.37393757700920105f,0.29281941056251526f,0.021477876231074333f,-0.2947862446308136f,-0.3764709532260895f,0.2424570620059967f,0.04953036829829216f,-0.3957204818725586f,0.3781505823135376f,0.31499528884887695f,0.021847642958164215f,0.3083464205265045f}, {-0.3540099859237671f,1.4546316862106323f,-0.2018718123435974f,-0.36722248792648315f,0.07545611262321472f,-1.7687950134277344f,-0.34259331226348877f,-0.2933746874332428f,-0.24509364366531372f,0.19522181153297424f,0.7302901744842529f,-0.7415923476219177f,-0.334622323513031f,-0.4841771721839905f,-0.10593719780445099f,0.16230246424674988f}, {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}, {-0.6066306233406067f,0.5198500752449036f,0.12081471085548401f,-0.15702904760837555f,0.29976895451545715f,-0.20467263460159302f,-0.33610090613365173f,0.31089308857917786f,-0.3893685042858124f,-0.02222958207130432f,0.4361351430416107f,-0.3206861615180969f,-0.14716669917106628f,-0.2186276614665985f,0.21438345313072205f,0.24429863691329956f}, }; const float h3[16][16] = { {-0.36079341173171997f,-0.10172208398580551f,-0.05422573536634445f,-0.3531520962715149f,-0.1784299612045288f,0.016887450590729713f,0.3332441747188568f,0.3036012351512909f,-0.2405819296836853f,0.04891335964202881f,-0.11870327591896057f,0.4001283347606659f,0.05566512793302536f,0.30659419298171997f,-0.31901490688323975f,0.15585735440254211f}, {0.047732532024383545f,1.0753889083862305f,0.17731982469558716f,-0.7493314743041992f,-0.2843036353588104f,0.9747467637062073f,-0.3198729455471039f,-0.0939856767654419f,1.0722424983978271f,-0.5520620346069336f,0.21625272929668427f,-0.3128277659416199f,0.27079981565475464f,-0.016030684113502502f,-0.49918901920318604f,-2.110337018966675f}, {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,0.014257480390369892f,0.6579341292381287f,-0.7031058669090271f,0.8574787378311157f,-0.1417912095785141f,0.20021501183509827f,0.07002416253089905f,-0.25067853927612305f,-0.3505967855453491f,-0.4693567156791687f,0.2691781222820282f,-0.3446228504180908f,-0.5491616129875183f,0.32736796140670776f,1.543021559715271f}, {-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,0.46526315808296204f,1.1900017261505127f,1.531158447265625f,-0.09719792008399963f,0.31513187289237976f,-0.18732719123363495f,0.22384825348854065f,0.0015948208747431636f,-0.1597813218832016f,-0.6037359237670898f,0.0869547575712204f,1.306787133216858f,0.013234049081802368f,0.8242419362068176f,-1.228737235069275f}, {0.4110594093799591f,0.1605031043291092f,-0.16130556166172028f,0.37246426939964294f,0.3355327248573303f,-0.19788698852062225f,-0.08670487999916077f,-0.25336313247680664f,-0.030661463737487793f,-0.06259563565254211f,-0.1344406008720398f,0.35313835740089417f,0.3305956721305847f,-0.039165765047073364f,0.18454331159591675f,-0.3391006588935852f}, {-0.40892091393470764f,-0.035043053328990936f,-0.3115358054637909f,0.3177052438259125f,0.37669578194618225f,-0.12974904477596283f,-0.23312048614025116f,-0.390264093875885f,0.28059282898902893f,-0.1559126079082489f,-0.14134526252746582f,-0.0003446042537689209f,-0.1972155123949051f,-0.36560842394828796f,-0.0011195334373041987f,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,0.5162972807884216f,-0.13875530660152435f,-4.656667709350586f,-0.8446860909461975f,0.24457228183746338f,-0.08742031455039978f,-0.09931918233633041f,-0.35160648822784424f,-0.5430967211723328f,-0.18435607850551605f,-0.44884198904037476f,-0.060661181807518005f,-0.9421484470367432f,0.855506181716919f,0.3708033561706543f}, {-0.408692330121994f,0.07973938435316086f,0.016587544232606888f,0.26259350776672363f,0.11990524083375931f,-0.1113203763961792f,0.03285527229309082f,0.38763079047203064f,-0.20705322921276093f,-0.25883403420448303f,0.6542379856109619f,0.03996849060058594f,-0.6105207800865173f,-0.14511774480342865f,-0.14723564684391022f,0.10698546469211578f}, {-0.2991822361946106f,0.2525568902492523f,0.026335960254073143f,-0.05932474136352539f,0.11362092941999435f,0.11951722204685211f,-0.11253207921981812f,0.34576353430747986f,0.04814547300338745f,-0.35770976543426514f,-0.044228196144104004f,-0.36229726672172546f,0.13153821229934692f,-0.1653849333524704f,0.24731771647930145f,-0.16869547963142395f}, {-0.2675279378890991f,0.013630464673042297f,0.5430143475532532f,-0.1550510823726654f,0.17619849741458893f,-0.05799423158168793f,-0.32875844836235046f,-0.31893211603164673f,-3.0947272777557373f,-0.6940340995788574f,-0.6170888543128967f,-0.5206098556518555f,1.1521424055099487f,-0.9339458346366882f,0.9837495684623718f,-0.630854070186615f}, {-0.015470266342163086f,-0.6298753619194031f,0.9077247977256775f,0.09919581562280655f,0.20719179511070251f,-0.8172785043716431f,0.05196094512939453f,-0.15130402147769928f,-1.1530804634094238f,-0.658012330532074f,-0.5316575765609741f,-0.25431928038597107f,0.7105571031570435f,-1.4784846305847168f,0.2771899700164795f,-0.51945960521698f}, {0.1863725483417511f,0.3316158652305603f,-0.3408939242362976f,0.2283833622932434f,0.05066967010498047f,0.13183023035526276f,0.04860696196556091f,0.021250905469059944f,-0.3624637722969055f,0.03372818976640701f,-0.7151399254798889f,0.06625616550445557f,0.657176673412323f,-0.13679352402687073f,-0.46388790011405945f,-2.0645017623901367f}, }; const float hout[16] = { 0.45773375034332275f,0.1573396921157837f,-0.2266036719083786f,-0.34220030903816223f,-0.12916159629821777f,0.21063542366027832f,0.0030125975608825684f,0.09771253168582916f,-0.16219666600227356f,-0.09851107746362686f,0.21235927939414978f,-0.26737266778945923f,-0.22092729806900024f,-0.07228755950927734f,0.38283488154411316f,-0.3793788552284241f }; const float b1[16] = { 0.7116228342056274f,0.7612383961677551f,-1.7145336866378784f,0.5937538146972656f,-0.09950263798236847f,1.5499048233032227f,-0.058932315558195114f,0.6715773940086365f,0.534138560295105f,-1.006351113319397f,0.7057833075523376f,1.6850756406784058f,-0.3508627712726593f,-0.8155248761177063f,-1.087764859199524f,0.8281255960464478f }; const float b2[16] = { -0.3337513506412506f,-0.5391920208930969f,-1.4564176797866821f,-1.128948450088501f,-0.6939148902893066f,0.5002384781837463f,0.22250673174858093f,-0.33680295944213867f,-1.20063054561615f,-1.912178635597229f,0.12254471331834793f,0.106278195977211f,-0.24708500504493713f,2.269289493560791f,0.5072054266929626f,1.6524643898010254f }; const float b3[16] = { -1.963319182395935f,-0.17327481508255005f,0.12254021316766739f,0.298814982175827f,0.31169232726097107f,0.9381092190742493f,-0.45353031158447266f,-0.8102949261665344f,-0.3720570504665375f,0.19731217622756958f,-0.47558876872062683f,-0.08406878262758255f,-0.46960222721099854f,0.08271750062704086f,-1.1466164588928223f,-1.295691967010498f }; const float bout[1] = { -0.23560747504234314f }; 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) { int ind = 0; for(int i=0; i<numpast_u; i++) { input_NN[ind] = u_past[time_interval*i]; ind = ind + 1; } for(int i=0; i<numpast_x; i++) { input_NN[ind] = x_past[time_interval*i] / 60.0f; ind = ind + 1; } input_NN[ind] = (pos.sen / ENC_PULSE_PER_POSITION) / 60.0f; ind = ind + 1; // for(int i=0; i<numfuture_x; i++) { // input_NN[ind] = x_future[time_interval*i+time_interval] / 60.0f; // ind = ind + 1; // } for(int i=0; i<numpast_f; i++) { input_NN[ind] = f_past[time_interval*i] / 10000.0f + 0.5f; ind = ind + 1; } input_NN[ind] = torq.sen / 10000.0f + 0.5f; ind = ind + 1; for(int i=0; i<numfuture_f; i++) { input_NN[ind] = (f_future[time_interval*i+time_interval] - torq.sen)/10000.0f+0.5f; // input_NN[ind] = (f_future[time_interval*i+time_interval])/10000.0f+0.5f; ind = ind + 1; } float output1[16] = { 0.0f }; float output2[16] = { 0.0f }; float output3[16] = { 0.0f }; float output = 0.0f; for (int index2 = 0; index2 < 16; index2++) { for (int index1 = 0; index1 < num_input; index1++) { output1[index2] = output1[index2] + h1[index1][index2] * input_NN[index1]; } output1[index2] = output1[index2] + b1[index2]; if (output1[index2] < 0) { output1[index2] = 0; } } for (int index2 = 0; index2 < 16; index2++) { for (int index1 = 0; index1 < 16; index1++) { output2[index2] = output2[index2] + h2[index1][index2] * output1[index1]; } output2[index2] = output2[index2] + b2[index2]; if (output2[index2] < 0) { output2[index2] = 0; } } for (int index2 = 0; index2 < 16; index2++) { for (int index1 = 0; index1 < 16; index1++) { output3[index2] = output3[index2] + h3[index1][index2] * output2[index1]; } output3[index2] = output3[index2] + b3[index2]; if (output3[index2] < 0) { output3[index2] = 0; } } for (int index2 = 0; index2 < 1; index2++) { for (int index1 = 0; index1 < 16; index1++) { output = output + hout[index1] * output3[index1]; } output = output + bout[index2]; } output = 1.0f/(1.0f+exp(-output)); output_normalized = output; output = output * 20000.0f - 10000.0f; if(output>=0) { valve_pos.ref = output*0.0001f*((double)VALVE_MAX_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER; } else { valve_pos.ref = -output*0.0001f*((double)VALVE_MIN_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER; } // // 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] == HIGH) { //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 }