Sungwoo Kim / Mbed 2 deprecated HydraulicControlBoard_Rainbow_v1_2_copy1

2011

Dependencies:   mbed FastPWM

main.cpp@242:b235d67d25ba, 2022-04-07 (annotated)

Committer:
Lightvalve
Date:
Thu Apr 07 06:18:38 2022 +0000
Revision:
242:b235d67d25ba
Parent:
241:27eca07c9591
Child:
243:30896263bd8b
220407

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Lightvalve 224:985dba42f261 1 //Hydraulic Control Board
Lightvalve 224:985dba42f261 2 //distributed by Sungwoo Kim
Lightvalve 224:985dba42f261 3 // 2020/12/28
jobuuu 228:763bbefcb79f 4 //revised by Buyoun Cho
Lightvalve 235:c831718303c9 5 // 2021/04/20
Lightvalve 224:985dba42f261 6
Lightvalve 224:985dba42f261 7 // 유의사항
Lightvalve 224:985dba42f261 8 // 소수 적을때 뒤에 f 꼭 붙이기
Lightvalve 224:985dba42f261 9 // CAN 선은 ground까지 있는 3상 선으로 써야함.
Lightvalve 224:985dba42f261 10 // 전원은 12~24V 인가.
Lightvalve 224:985dba42f261 11
GiJeongKim 0:51c43836c1d7 12 #include "mbed.h"
GiJeongKim 0:51c43836c1d7 13 #include "FastPWM.h"
GiJeongKim 0:51c43836c1d7 14 #include "INIT_HW.h"
jobuuu 2:a1c0a37df760 15 #include "function_CAN.h"
GiJeongKim 0:51c43836c1d7 16 #include "SPI_EEP_ENC.h"
GiJeongKim 0:51c43836c1d7 17 #include "I2C_AS5510.h"
GiJeongKim 0:51c43836c1d7 18 #include "setting.h"
Lightvalve 11:82d8768d7351 19 #include "function_utilities.h"
Lightvalve 16:903b5a4433b4 20 #include "stm32f4xx_flash.h"
Lightvalve 169:645207e160ca 21 #include "FlashWriter.h"
Lightvalve 170:42c938a40313 22 #include <string>
Lightvalve 170:42c938a40313 23 #include <iostream>
Lightvalve 179:d5377766d7ea 24 #include <cmath>
Lightvalve 61:bc8c8270f0ab 25
Lightvalve 61:bc8c8270f0ab 26 using namespace std;
Lightvalve 61:bc8c8270f0ab 27 Timer t;
GiJeongKim 0:51c43836c1d7 28
jobuuu 7:e9086c72bb22 29 // dac & check ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 30 DigitalOut check(PC_2);
GiJeongKim 0:51c43836c1d7 31 DigitalOut check_2(PC_3);
jobuuu 230:2c3e5ecbe7e1 32 AnalogOut dac_1(PA_4); // 0.0f ~ 1.0f
jobuuu 230:2c3e5ecbe7e1 33 AnalogOut dac_2(PA_5); // 0.0f ~ 1.0f
Lightvalve 14:8e7590227d22 34 AnalogIn adc1(PC_4); //pressure_1
Lightvalve 14:8e7590227d22 35 AnalogIn adc2(PB_0); //pressure_2
Lightvalve 14:8e7590227d22 36 AnalogIn adc3(PC_1); //current
GiJeongKim 0:51c43836c1d7 37
jobuuu 7:e9086c72bb22 38 // PWM ///////////////////////////////////////////
Lightvalve 30:8d561f16383b 39 float dtc_v=0.0f;
Lightvalve 30:8d561f16383b 40 float dtc_w=0.0f;
Lightvalve 240:fb5b57e3f157 41 DigitalOut LVDT_H(PB_4); //PWM_H
Lightvalve 240:fb5b57e3f157 42 DigitalOut LVDT_L(PB_5); //PWM_L
GiJeongKim 0:51c43836c1d7 43
jobuuu 7:e9086c72bb22 44 // I2C ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 45 I2C i2c(PC_9,PA_8); // SDA, SCL (for K22F)
Lightvalve 224:985dba42f261 46 const int i2c_slave_addr1 = 0x56; // AS5510 address
GiJeongKim 0:51c43836c1d7 47 unsigned int value; // 10bit output of reading sensor AS5510
GiJeongKim 0:51c43836c1d7 48
jobuuu 7:e9086c72bb22 49 // SPI ///////////////////////////////////////////
Lightvalve 170:42c938a40313 50 SPI eeprom(PB_15, PB_14, PB_13); // EEPROM //(SPI_MOSI, SPI_MISO, SPI_SCK);
Lightvalve 170:42c938a40313 51 DigitalOut eeprom_cs(PB_12);
GiJeongKim 0:51c43836c1d7 52 SPI enc(PC_12,PC_11,PC_10);
GiJeongKim 0:51c43836c1d7 53 DigitalOut enc_cs(PD_2);
Lightvalve 11:82d8768d7351 54 DigitalOut LED(PA_15);
GiJeongKim 0:51c43836c1d7 55
jobuuu 7:e9086c72bb22 56 // UART ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 57 Serial pc(PA_9,PA_10); // _ UART
GiJeongKim 0:51c43836c1d7 58
jobuuu 7:e9086c72bb22 59 // CAN ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 60 CAN can(PB_8, PB_9, 1000000);
GiJeongKim 0:51c43836c1d7 61 CANMessage msg;
Lightvalve 242:b235d67d25ba 62 //void onMsgReceived()
Lightvalve 242:b235d67d25ba 63 //{
Lightvalve 242:b235d67d25ba 64 // CAN_RX_HANDLER();
Lightvalve 242:b235d67d25ba 65 //}
jobuuu 2:a1c0a37df760 66
jobuuu 7:e9086c72bb22 67 // Variables ///////////////////////////////////////////
jobuuu 7:e9086c72bb22 68 State pos;
jobuuu 7:e9086c72bb22 69 State vel;
jobuuu 7:e9086c72bb22 70 State Vout;
jobuuu 230:2c3e5ecbe7e1 71 State force;
jobuuu 230:2c3e5ecbe7e1 72 State torq; // unit : N
Lightvalve 207:c70c5a9f17dd 73 State torq_dot;
jobuuu 230:2c3e5ecbe7e1 74 State pres_A; // unit : bar
jobuuu 7:e9086c72bb22 75 State pres_B;
jobuuu 230:2c3e5ecbe7e1 76 State cur; // unit : mA
Lightvalve 14:8e7590227d22 77 State valve_pos;
Lightvalve 238:4e660aa77eb7 78 State valve_pos_raw;
Lightvalve 14:8e7590227d22 79
Lightvalve 14:8e7590227d22 80 State INIT_Vout;
Lightvalve 14:8e7590227d22 81 State INIT_Valve_Pos;
Lightvalve 14:8e7590227d22 82 State INIT_Pos;
Lightvalve 14:8e7590227d22 83 State INIT_torq;
jobuuu 5:a4319f79457b 84
Lightvalve 19:23b7c1ad8683 85 extern int CID_RX_CMD;
Lightvalve 19:23b7c1ad8683 86 extern int CID_RX_REF_POSITION;
hyhoon 227:699c3e572283 87 extern int CID_RX_REF_OPENLOOP;
Lightvalve 45:35fa6884d0c6 88 extern int CID_RX_REF_PWM;
Lightvalve 19:23b7c1ad8683 89
Lightvalve 19:23b7c1ad8683 90 extern int CID_TX_INFO;
hyhoon 227:699c3e572283 91 extern int CID_TX_POS_VEL_TORQ;
hyhoon 227:699c3e572283 92 extern int CID_TX_PWM;
hyhoon 227:699c3e572283 93 extern int CID_TX_CURRENT;
Lightvalve 19:23b7c1ad8683 94 extern int CID_TX_VOUT;
Lightvalve 19:23b7c1ad8683 95 extern int CID_TX_VALVE_POSITION;
jeongyeseong 225:9c0becc196ba 96 extern int CID_TX_SOMETHING;
Lightvalve 19:23b7c1ad8683 97
hyhoon 227:699c3e572283 98 float temp_P_GAIN = 0.0f;
hyhoon 227:699c3e572283 99 float temp_I_GAIN = 0.0f;
hyhoon 227:699c3e572283 100 int temp_VELOCITY_COMP_GAIN = 0;
Lightvalve 235:c831718303c9 101 int logging = 0;
Lightvalve 240:fb5b57e3f157 102 float valve_pos_pulse_can = 0.0f;
hyhoon 227:699c3e572283 103
Lightvalve 235:c831718303c9 104 inline float tanh_inv(float y)
Lightvalve 235:c831718303c9 105 {
Lightvalve 235:c831718303c9 106 if(y >= 1.0f - 0.000001f) y = 1.0f - 0.000001f;
Lightvalve 235:c831718303c9 107 if(y <= -1.0f + 0.000001f) y = -1.0f + 0.000001f;
jobuuu 230:2c3e5ecbe7e1 108 return log(sqrt((1.0f+y)/(1.0f-y)));
jobuuu 230:2c3e5ecbe7e1 109 }
jobuuu 230:2c3e5ecbe7e1 110
hyhoon 227:699c3e572283 111
Lightvalve 12:6f2531038ea4 112 /*******************************************************************************
Lightvalve 12:6f2531038ea4 113 * REFERENCE MODE
Lightvalve 12:6f2531038ea4 114 ******************************************************************************/
Lightvalve 13:747daba9cf59 115 enum _REFERENCE_MODE {
Lightvalve 235:c831718303c9 116 MODE_REF_NO_ACT = 0,
Lightvalve 235:c831718303c9 117 MODE_REF_DIRECT,
Lightvalve 235:c831718303c9 118 MODE_REF_FINDHOME
Lightvalve 12:6f2531038ea4 119 };
Lightvalve 12:6f2531038ea4 120
Lightvalve 12:6f2531038ea4 121 /*******************************************************************************
Lightvalve 12:6f2531038ea4 122 * CONTROL MODE
Lightvalve 12:6f2531038ea4 123 ******************************************************************************/
Lightvalve 13:747daba9cf59 124 enum _CONTROL_MODE {
Lightvalve 12:6f2531038ea4 125 //control mode
Lightvalve 12:6f2531038ea4 126 MODE_NO_ACT = 0, //0
Lightvalve 47:fdcb8bd86fd6 127 MODE_VALVE_POSITION_CONTROL, //1
Lightvalve 47:fdcb8bd86fd6 128 MODE_JOINT_CONTROL, //2
Lightvalve 50:3c630b5eba9f 129
Lightvalve 47:fdcb8bd86fd6 130 MODE_VALVE_OPEN_LOOP, //3
Lightvalve 138:a843f32ced33 131 MODE_JOINT_ADAPTIVE_BACKSTEPPING, //4
Lightvalve 171:bfc1fd2629d8 132 MODE_RL, //5
Lightvalve 13:747daba9cf59 133
Lightvalve 12:6f2531038ea4 134 MODE_JOINT_POSITION_PRES_CONTROL_PWM, //6
Lightvalve 12:6f2531038ea4 135 MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION, //7
Lightvalve 12:6f2531038ea4 136 MODE_VALVE_POSITION_PRES_CONTROL_LEARNING, //8
Lightvalve 13:747daba9cf59 137
Lightvalve 12:6f2531038ea4 138 MODE_TEST_CURRENT_CONTROL, //9
Lightvalve 12:6f2531038ea4 139 MODE_TEST_PWM_CONTROL, //10
Lightvalve 21:e5f1a43ea6f9 140
Lightvalve 14:8e7590227d22 141 MODE_CURRENT_CONTROL, //11
Lightvalve 14:8e7590227d22 142 MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT, //12
Lightvalve 14:8e7590227d22 143 MODE_JOINT_POSITION_PRES_CONTROL_CURRENT, //13
Lightvalve 224:985dba42f261 144 MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING, //14
Lightvalve 13:747daba9cf59 145
Lightvalve 12:6f2531038ea4 146 //utility
Lightvalve 12:6f2531038ea4 147 MODE_TORQUE_SENSOR_NULLING = 20, //20
Lightvalve 12:6f2531038ea4 148 MODE_VALVE_NULLING_AND_DEADZONE_SETTING, //21
Lightvalve 12:6f2531038ea4 149 MODE_FIND_HOME, //22
Lightvalve 57:f4819de54e7a 150 MODE_VALVE_GAIN_SETTING, //23
Lightvalve 12:6f2531038ea4 151 MODE_PRESSURE_SENSOR_NULLING, //24
Lightvalve 12:6f2531038ea4 152 MODE_PRESSURE_SENSOR_CALIB, //25
Lightvalve 12:6f2531038ea4 153 MODE_ROTARY_FRICTION_TUNING, //26
Lightvalve 13:747daba9cf59 154
Lightvalve 224:985dba42f261 155 MODE_DDV_POS_VS_PWM_ID = 30, //30
Lightvalve 12:6f2531038ea4 156 MODE_DDV_DEADZONE_AND_CENTER, //31
Lightvalve 12:6f2531038ea4 157 MODE_DDV_POS_VS_FLOWRATE, //32
Lightvalve 57:f4819de54e7a 158 MODE_SYSTEM_ID, //33
Lightvalve 169:645207e160ca 159 MODE_FREQ_TEST, //34
Lightvalve 169:645207e160ca 160 MODE_SEND_BUFFER, //35
Lightvalve 169:645207e160ca 161 MODE_SEND_OVER, //36
Lightvalve 169:645207e160ca 162 MODE_STEP_TEST, //37
Lightvalve 12:6f2531038ea4 163 };
Lightvalve 12:6f2531038ea4 164
Lightvalve 65:a2d7c63419c2 165 void SystemClock_Config(void)
Lightvalve 65:a2d7c63419c2 166 {
Lightvalve 169:645207e160ca 167 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
Lightvalve 169:645207e160ca 168 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
Lightvalve 65:a2d7c63419c2 169
Lightvalve 224:985dba42f261 170 /* Configure the main internal regulator output voltage
Lightvalve 169:645207e160ca 171 */
Lightvalve 169:645207e160ca 172 __HAL_RCC_PWR_CLK_ENABLE();
Lightvalve 169:645207e160ca 173 __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
Lightvalve 224:985dba42f261 174 /* Initializes the CPU, AHB and APB busses clocks
Lightvalve 169:645207e160ca 175 */
Lightvalve 240:fb5b57e3f157 176 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
Lightvalve 240:fb5b57e3f157 177 RCC_OscInitStruct.HSEState = RCC_HSE_ON;
Lightvalve 240:fb5b57e3f157 178 // RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
Lightvalve 169:645207e160ca 179 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
Lightvalve 240:fb5b57e3f157 180 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
Lightvalve 240:fb5b57e3f157 181 RCC_OscInitStruct.PLL.PLLM = 4;//4
Lightvalve 240:fb5b57e3f157 182 RCC_OscInitStruct.PLL.PLLN = 96; //96
Lightvalve 169:645207e160ca 183 RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
Lightvalve 169:645207e160ca 184 RCC_OscInitStruct.PLL.PLLQ = 2;
Lightvalve 169:645207e160ca 185 RCC_OscInitStruct.PLL.PLLR = 2;
Lightvalve 169:645207e160ca 186 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
Lightvalve 169:645207e160ca 187 //Error_Handler();
Lightvalve 169:645207e160ca 188 }
Lightvalve 169:645207e160ca 189 /** Activate the Over-Drive mode
Lightvalve 169:645207e160ca 190 */
Lightvalve 169:645207e160ca 191 if (HAL_PWREx_EnableOverDrive() != HAL_OK) {
Lightvalve 169:645207e160ca 192 //Error_Handler();
Lightvalve 169:645207e160ca 193 }
Lightvalve 169:645207e160ca 194 /** Initializes the CPU, AHB and APB busses clocks
Lightvalve 169:645207e160ca 195 */
Lightvalve 169:645207e160ca 196 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
Lightvalve 169:645207e160ca 197 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
Lightvalve 169:645207e160ca 198 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
Lightvalve 169:645207e160ca 199 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
Lightvalve 169:645207e160ca 200 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
Lightvalve 169:645207e160ca 201 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
Lightvalve 65:a2d7c63419c2 202 }
Lightvalve 65:a2d7c63419c2 203
Lightvalve 170:42c938a40313 204
GiJeongKim 0:51c43836c1d7 205 int main()
GiJeongKim 0:51c43836c1d7 206 {
jobuuu 6:df07d3491e3a 207 /*********************************
jobuuu 1:e04e563be5ce 208 *** Initialization
jobuuu 6:df07d3491e3a 209 *********************************/
hyhoon 226:82a3ca333004 210
Lightvalve 224:985dba42f261 211 HAL_Init();
Lightvalve 224:985dba42f261 212 SystemClock_Config();
hyhoon 226:82a3ca333004 213
Lightvalve 69:3995ffeaa786 214 LED = 0;
Lightvalve 61:bc8c8270f0ab 215 pc.baud(9600);
Lightvalve 21:e5f1a43ea6f9 216
GiJeongKim 0:51c43836c1d7 217 // i2c init
Lightvalve 236:fd7961dfa78a 218 i2c.frequency(400 * 1000); // 0.4 mHz
Lightvalve 236:fd7961dfa78a 219 wait_ms(2); // Power Up wait
Lightvalve 236:fd7961dfa78a 220 look_for_hardware_i2c(); // Hardware present
Lightvalve 236:fd7961dfa78a 221 init_as5510(i2c_slave_addr1);
Lightvalve 236:fd7961dfa78a 222 make_delay();
jobuuu 2:a1c0a37df760 223
Lightvalve 224:985dba42f261 224 // spi init
hyhoon 227:699c3e572283 225 eeprom_cs = 1;
Lightvalve 170:42c938a40313 226 eeprom.format(8,3);
Lightvalve 170:42c938a40313 227 eeprom.frequency(5000000); //5M
hyhoon 227:699c3e572283 228 eeprom_cs = 0;
hyhoon 227:699c3e572283 229 make_delay();
hyhoon 227:699c3e572283 230
hyhoon 227:699c3e572283 231 enc_cs = 1; //sw add
GiJeongKim 0:51c43836c1d7 232 enc.format(8,0);
hyhoon 227:699c3e572283 233 enc.frequency(5000000); //10M
hyhoon 227:699c3e572283 234 enc_cs = 0; //sw add
hyhoon 227:699c3e572283 235
Lightvalve 11:82d8768d7351 236 make_delay();
Lightvalve 21:e5f1a43ea6f9 237
hyhoon 226:82a3ca333004 238 // spi _ enc
hyhoon 226:82a3ca333004 239 spi_enc_set_init();
hyhoon 226:82a3ca333004 240 make_delay();
hyhoon 226:82a3ca333004 241
hyhoon 226:82a3ca333004 242 ////// bno rom
Lightvalve 240:fb5b57e3f157 243 spi_eeprom_write(RID_BNO, (int16_t) 0);
Lightvalve 238:4e660aa77eb7 244 make_delay();
hyhoon 226:82a3ca333004 245 ////////
hyhoon 226:82a3ca333004 246
Lightvalve 224:985dba42f261 247 // rom
Lightvalve 19:23b7c1ad8683 248 ROM_CALL_DATA();
Lightvalve 16:903b5a4433b4 249 make_delay();
Lightvalve 13:747daba9cf59 250
GiJeongKim 0:51c43836c1d7 251 // ADC init
jobuuu 5:a4319f79457b 252 Init_ADC();
Lightvalve 11:82d8768d7351 253 make_delay();
jobuuu 2:a1c0a37df760 254
GiJeongKim 0:51c43836c1d7 255 // Pwm init
GiJeongKim 0:51c43836c1d7 256 Init_PWM();
GiJeongKim 0:51c43836c1d7 257 TIM4->CR1 ^= TIM_CR1_UDIS;
Lightvalve 11:82d8768d7351 258 make_delay();
Lightvalve 13:747daba9cf59 259
GiJeongKim 0:51c43836c1d7 260 // CAN
jobuuu 2:a1c0a37df760 261 can.attach(&CAN_RX_HANDLER);
Lightvalve 11:82d8768d7351 262 CAN_ID_INIT();
Lightvalve 11:82d8768d7351 263 make_delay();
Lightvalve 34:bb2ca2fc2a8e 264
hyhoon 226:82a3ca333004 265 //can.reset();
Lightvalve 242:b235d67d25ba 266 // can.filter(msg.id, 0xFFFFF000, CANStandard);
Lightvalve 242:b235d67d25ba 267 // can.filter(0x050, 0xFFFFFFFF, CANStandard);
Lightvalve 242:b235d67d25ba 268 can.filter(0b100000000, 0b100000010, CANStandard); //CAN ID 100~400번대 통과하게
hyhoon 226:82a3ca333004 269
hyhoon 226:82a3ca333004 270 // TMR3 init
hyhoon 226:82a3ca333004 271 Init_TMR3();
hyhoon 226:82a3ca333004 272 TIM3->CR1 ^= TIM_CR1_UDIS;
hyhoon 226:82a3ca333004 273 make_delay();
hyhoon 226:82a3ca333004 274
Lightvalve 240:fb5b57e3f157 275 // TMR5 init
Lightvalve 240:fb5b57e3f157 276 Init_TMR2();
Lightvalve 240:fb5b57e3f157 277 TIM2->CR1 ^= TIM_CR1_UDIS;
Lightvalve 240:fb5b57e3f157 278 make_delay();
Lightvalve 240:fb5b57e3f157 279
Lightvalve 23:59218d4a256d 280 //Timer priority
Lightvalve 23:59218d4a256d 281 NVIC_SetPriority(TIM3_IRQn, 2);
Lightvalve 54:647072f5307a 282 NVIC_SetPriority(TIM4_IRQn, 3);
Lightvalve 240:fb5b57e3f157 283 NVIC_SetPriority(TIM2_IRQn, 4);
Lightvalve 34:bb2ca2fc2a8e 284
hyhoon 226:82a3ca333004 285
Lightvalve 11:82d8768d7351 286 //DAC init
Lightvalve 58:2eade98630e2 287 if (SENSING_MODE == 0) {
jobuuu 230:2c3e5ecbe7e1 288 dac_1 = FORCE_VREF / 3.3f;
Lightvalve 58:2eade98630e2 289 dac_2 = 0.0f;
Lightvalve 58:2eade98630e2 290 } else if (SENSING_MODE == 1) {
Lightvalve 238:4e660aa77eb7 291 // if (DIR_VALVE_ENC > 0) {
Lightvalve 240:fb5b57e3f157 292 dac_1 = PRES_A_VREF / 3.3f;
Lightvalve 240:fb5b57e3f157 293 dac_2 = PRES_B_VREF / 3.3f;
Lightvalve 238:4e660aa77eb7 294 // } else {
Lightvalve 238:4e660aa77eb7 295 // dac_1 = PRES_B_VREF / 3.3f;
Lightvalve 238:4e660aa77eb7 296 // dac_2 = PRES_A_VREF / 3.3f;
Lightvalve 238:4e660aa77eb7 297 // }
Lightvalve 58:2eade98630e2 298 }
Lightvalve 11:82d8768d7351 299 make_delay();
Lightvalve 13:747daba9cf59 300
Lightvalve 19:23b7c1ad8683 301 for (int i=0; i<50; i++) {
Lightvalve 11:82d8768d7351 302 if(i%2==0)
Lightvalve 38:118df027d851 303 ID_index_array[i] = - i * 0.5f;
Lightvalve 11:82d8768d7351 304 else
Lightvalve 38:118df027d851 305 ID_index_array[i] = (i+1) * 0.5f;
Lightvalve 11:82d8768d7351 306 }
Lightvalve 169:645207e160ca 307
Lightvalve 240:fb5b57e3f157 308 //pwm
Lightvalve 240:fb5b57e3f157 309 TIM4->CCR2 = (PWM_ARR)*(1.0f-0.0f);
Lightvalve 240:fb5b57e3f157 310 TIM4->CCR1 = (PWM_ARR)*(1.0f-0.0f);
Lightvalve 240:fb5b57e3f157 311 LVDT_H = 0;
Lightvalve 240:fb5b57e3f157 312 LVDT_L = 0;
Lightvalve 240:fb5b57e3f157 313
jobuuu 6:df07d3491e3a 314 /************************************
jobuuu 1:e04e563be5ce 315 *** Program is operating!
jobuuu 6:df07d3491e3a 316 *************************************/
GiJeongKim 0:51c43836c1d7 317 while(1) {
Lightvalve 169:645207e160ca 318
Lightvalve 224:985dba42f261 319 // UART example
Lightvalve 224:985dba42f261 320 // if(timer_while==100000) {
Lightvalve 171:bfc1fd2629d8 321 // timer_while = 0;
Lightvalve 224:985dba42f261 322 // pc.printf("%f\n", value);
Lightvalve 171:bfc1fd2629d8 323 // }
Lightvalve 224:985dba42f261 324 // timer_while ++;
Lightvalve 169:645207e160ca 325
Lightvalve 224:985dba42f261 326 //i2c for SW valve
Lightvalve 241:27eca07c9591 327 // if(OPERATING_MODE == 5) {
Lightvalve 241:27eca07c9591 328 // read_field(i2c_slave_addr1);
Lightvalve 241:27eca07c9591 329 // if(DIR_VALVE_ENC < 0) value = 1023 - value;
Lightvalve 241:27eca07c9591 330 // }
GiJeongKim 0:51c43836c1d7 331 }
jobuuu 1:e04e563be5ce 332 }
jobuuu 1:e04e563be5ce 333
Lightvalve 224:985dba42f261 334
Lightvalve 224:985dba42f261 335 // Velocity feedforward for SW valve
Lightvalve 33:91b17819ec30 336 float DDV_JOINT_POS_FF(float REF_JOINT_VEL)
Lightvalve 14:8e7590227d22 337 {
Lightvalve 13:747daba9cf59 338 int i = 0;
Lightvalve 48:889798ff9329 339 float Ref_Valve_Pos_FF = 0.0f;
Lightvalve 14:8e7590227d22 340 for(i=0; i<VALVE_POS_NUM; i++) {
Lightvalve 14:8e7590227d22 341 if(REF_JOINT_VEL >= min(JOINT_VEL[i],JOINT_VEL[i+1]) && REF_JOINT_VEL <= max(JOINT_VEL[i],JOINT_VEL[i+1])) {
Lightvalve 14:8e7590227d22 342 if(i==0) {
Lightvalve 50:3c630b5eba9f 343 if(JOINT_VEL[i+1] == JOINT_VEL[i]) {
Lightvalve 57:f4819de54e7a 344 Ref_Valve_Pos_FF = (float) VALVE_CENTER;
Lightvalve 50:3c630b5eba9f 345 } else {
Lightvalve 57:f4819de54e7a 346 Ref_Valve_Pos_FF = ((float) 10/(JOINT_VEL[i+1] - JOINT_VEL[i]) * (REF_JOINT_VEL - JOINT_VEL[i])) + (float) VALVE_CENTER;
Lightvalve 38:118df027d851 347 }
Lightvalve 14:8e7590227d22 348 } else {
Lightvalve 50:3c630b5eba9f 349 if(JOINT_VEL[i+1] == JOINT_VEL[i-1]) {
Lightvalve 57:f4819de54e7a 350 Ref_Valve_Pos_FF = (float) VALVE_CENTER;
Lightvalve 50:3c630b5eba9f 351 } else {
Lightvalve 57:f4819de54e7a 352 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]);
Lightvalve 38:118df027d851 353 }
Lightvalve 13:747daba9cf59 354 }
Lightvalve 13:747daba9cf59 355 break;
Lightvalve 13:747daba9cf59 356 }
Lightvalve 13:747daba9cf59 357 }
Lightvalve 14:8e7590227d22 358 if(REF_JOINT_VEL > max(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 33:91b17819ec30 359 Ref_Valve_Pos_FF = (float) VALVE_MAX_POS;
Lightvalve 14:8e7590227d22 360 } else if(REF_JOINT_VEL < min(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 33:91b17819ec30 361 Ref_Valve_Pos_FF = (float) VALVE_MIN_POS;
Lightvalve 13:747daba9cf59 362 }
Lightvalve 36:a46e63505ed8 363
Lightvalve 224:985dba42f261 364 Ref_Valve_Pos_FF = (float) VELOCITY_COMP_GAIN * 0.01f * (float) (Ref_Valve_Pos_FF - (float) VALVE_CENTER); //VELOCITY_COMP_GAIN : 0~100
Lightvalve 13:747daba9cf59 365 return Ref_Valve_Pos_FF;
Lightvalve 13:747daba9cf59 366 }
jobuuu 6:df07d3491e3a 367
Lightvalve 224:985dba42f261 368 // Valve feedforward for SW valve
Lightvalve 30:8d561f16383b 369 void VALVE_POS_CONTROL(float REF_VALVE_POS)
Lightvalve 14:8e7590227d22 370 {
Lightvalve 13:747daba9cf59 371 int i = 0;
Lightvalve 13:747daba9cf59 372
Lightvalve 38:118df027d851 373 if(REF_VALVE_POS > VALVE_MAX_POS) {
Lightvalve 38:118df027d851 374 REF_VALVE_POS = VALVE_MAX_POS;
Lightvalve 38:118df027d851 375 } else if(REF_VALVE_POS < VALVE_MIN_POS) {
Lightvalve 38:118df027d851 376 REF_VALVE_POS = VALVE_MIN_POS;
Lightvalve 38:118df027d851 377 }
Lightvalve 89:a7b45368ea0f 378 valve_pos_err = (float) (REF_VALVE_POS - value);
Lightvalve 13:747daba9cf59 379 valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
Lightvalve 13:747daba9cf59 380 valve_pos_err_old = valve_pos_err;
Lightvalve 13:747daba9cf59 381 valve_pos_err_sum += valve_pos_err;
Lightvalve 89:a7b45368ea0f 382 if (valve_pos_err_sum > 1000.0f) valve_pos_err_sum = 1000.0f;
Lightvalve 89:a7b45368ea0f 383 if (valve_pos_err_sum<-1000.0f) valve_pos_err_sum = -1000.0f;
Lightvalve 13:747daba9cf59 384
Lightvalve 13:747daba9cf59 385 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;
Lightvalve 14:8e7590227d22 386
Lightvalve 18:b8adf1582ea3 387 for(i=0; i<24; i++) {
Lightvalve 89:a7b45368ea0f 388 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])) {
Lightvalve 14:8e7590227d22 389 if(i==0) {
Lightvalve 48:889798ff9329 390 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]);
Lightvalve 14:8e7590227d22 391 } else {
Lightvalve 48:889798ff9329 392 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];
Lightvalve 13:747daba9cf59 393 }
Lightvalve 13:747daba9cf59 394 break;
Lightvalve 13:747daba9cf59 395 }
Lightvalve 13:747daba9cf59 396 }
Lightvalve 59:f308b1656d9c 397 Vout.ref = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
Lightvalve 13:747daba9cf59 398 }
Lightvalve 13:747daba9cf59 399
Lightvalve 238:4e660aa77eb7 400 // Valve feedforward for SW valve
Lightvalve 238:4e660aa77eb7 401 void VALVE_POS_CONTROL_DZ(float REF_VALVE_POS_10000)
Lightvalve 238:4e660aa77eb7 402 {
Lightvalve 238:4e660aa77eb7 403 int i = 0;
Lightvalve 238:4e660aa77eb7 404 float valve_pos_ref_dz = 0.0f;
Lightvalve 238:4e660aa77eb7 405 if(REF_VALVE_POS_10000 > 10000.0f) {
Lightvalve 238:4e660aa77eb7 406 REF_VALVE_POS_10000 = 10000.0f;
Lightvalve 238:4e660aa77eb7 407 } else if(REF_VALVE_POS_10000 < -10000.0f) {
Lightvalve 238:4e660aa77eb7 408 REF_VALVE_POS_10000 = -10000.0f;
Lightvalve 238:4e660aa77eb7 409 }
Lightvalve 238:4e660aa77eb7 410 if (REF_VALVE_POS_10000 >= 0) {
Lightvalve 242:b235d67d25ba 411 // valve_pos_ref_dz = REF_VALVE_POS_10000/10000.0f * (VALVE_MAX_POS-VALVE_DEADZONE_PLUS) + VALVE_DEADZONE_PLUS;
Lightvalve 242:b235d67d25ba 412 valve_pos_ref_dz = REF_VALVE_POS_10000;
Lightvalve 238:4e660aa77eb7 413 } else {
Lightvalve 242:b235d67d25ba 414 // valve_pos_ref_dz = -REF_VALVE_POS_10000/10000.0f * (VALVE_MIN_POS-VALVE_DEADZONE_MINUS) + VALVE_DEADZONE_MINUS;
Lightvalve 242:b235d67d25ba 415 valve_pos_ref_dz = REF_VALVE_POS_10000;
Lightvalve 238:4e660aa77eb7 416 }
Lightvalve 242:b235d67d25ba 417 valve_pos_err = (float) (valve_pos_ref_dz - valve_pos.sen);
Lightvalve 238:4e660aa77eb7 418 valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
Lightvalve 238:4e660aa77eb7 419 valve_pos_err_old = valve_pos_err;
Lightvalve 238:4e660aa77eb7 420 valve_pos_err_sum += valve_pos_err;
Lightvalve 238:4e660aa77eb7 421 if (valve_pos_err_sum > 1000.0f) valve_pos_err_sum = 1000.0f;
Lightvalve 238:4e660aa77eb7 422 if (valve_pos_err_sum<-1000.0f) valve_pos_err_sum = -1000.0f;
Lightvalve 238:4e660aa77eb7 423
Lightvalve 238:4e660aa77eb7 424 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;
Lightvalve 238:4e660aa77eb7 425
Lightvalve 238:4e660aa77eb7 426 for(i=0; i<24; i++) {
Lightvalve 238:4e660aa77eb7 427 if(valve_pos_ref_dz >= min(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1]) && (float) valve_pos_ref_dz <= max(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1])) {
Lightvalve 238:4e660aa77eb7 428 if(i==0) {
Lightvalve 238:4e660aa77eb7 429 VALVE_PWM_RAW_FF = (float) 1000.0f / (float) (VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i]) * ((float) valve_pos_ref_dz - VALVE_POS_VS_PWM[i]);
Lightvalve 238:4e660aa77eb7 430 } else {
Lightvalve 238:4e660aa77eb7 431 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) valve_pos_ref_dz - VALVE_POS_VS_PWM[i-1]) + 1000.0f * (float) ID_index_array[i-1];
Lightvalve 238:4e660aa77eb7 432 }
Lightvalve 238:4e660aa77eb7 433 break;
Lightvalve 238:4e660aa77eb7 434 }
Lightvalve 238:4e660aa77eb7 435 }
Lightvalve 238:4e660aa77eb7 436 Vout.ref = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
Lightvalve 238:4e660aa77eb7 437 }
Lightvalve 238:4e660aa77eb7 438
Lightvalve 224:985dba42f261 439 // PWM duty vs. voltage output of L6205 in STM board
Lightvalve 14:8e7590227d22 440 #define LT_MAX_IDX 57
Lightvalve 30:8d561f16383b 441 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,
Lightvalve 34:bb2ca2fc2a8e 442 -19.0f, -18.0f, -17.0f, -16.0f, -15.0f, -14.0f, -13.0f, -12.0f, -11.0f, -10.0f,
Lightvalve 34:bb2ca2fc2a8e 443 -9.0f, -8.0f, -7.0f, -6.0f, -5.0f, -4.0f, -3.0f, -2.0f, -1.0f, 0.0f,
Lightvalve 34:bb2ca2fc2a8e 444 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f,
Lightvalve 34:bb2ca2fc2a8e 445 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f, 18.0f, 19.0f, 20.0f,
Lightvalve 34:bb2ca2fc2a8e 446 25.0f, 30.0f, 35.0f, 40.0f, 50.0f, 60.0f, 80.0f, 100.0f
Lightvalve 34:bb2ca2fc2a8e 447 }; // duty
Lightvalve 67:c2812cf26c38 448 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,
Lightvalve 67:c2812cf26c38 449 -150.0f, -145.0f, -145.0f, -145.0f, -135.0f, -135.0f, -135.0f, -127.5f, -127.5f, -115.0f,
Lightvalve 67:c2812cf26c38 450 -115.0f, -115.0F, -100.0f, -100.0f, -100.0f, -60.0f, -60.0f, -10.0f, -5.0f, 0.0f,
Lightvalve 67:c2812cf26c38 451 7.5f, 14.0f, 14.0f, 14.0f, 42.5f, 42.5f, 42.5f, 80.0f, 80.0f, 105.0f,
Lightvalve 67:c2812cf26c38 452 105.0f, 105.0f, 120.0f, 120.0f, 120.0f, 131.0f, 131.0f, 140.0f, 140.0f, 140.0f,
Lightvalve 67:c2812cf26c38 453 155.0f, 160.0f, 170.0f, 174.0f, 182.0f, 191.0f, 212.0f, 230.0f
Lightvalve 34:bb2ca2fc2a8e 454 }; // mV
Lightvalve 13:747daba9cf59 455
Lightvalve 30:8d561f16383b 456 float PWM_duty_byLT(float Ref_V)
Lightvalve 14:8e7590227d22 457 {
Lightvalve 30:8d561f16383b 458 float PWM_duty = 0.0f;
Lightvalve 13:747daba9cf59 459 if(Ref_V<LT_Voltage_Output[0]) {
Lightvalve 30:8d561f16383b 460 PWM_duty = (Ref_V-LT_Voltage_Output[0])/1.5f+LT_PWM_duty[0];
Lightvalve 13:747daba9cf59 461 } else if (Ref_V>=LT_Voltage_Output[LT_MAX_IDX-1]) {
Lightvalve 30:8d561f16383b 462 PWM_duty = (Ref_V-LT_Voltage_Output[LT_MAX_IDX-1])/1.5f+LT_PWM_duty[LT_MAX_IDX-1];
Lightvalve 13:747daba9cf59 463 } else {
Lightvalve 13:747daba9cf59 464 int idx = 0;
Lightvalve 13:747daba9cf59 465 for(idx=0; idx<LT_MAX_IDX-1; idx++) {
Lightvalve 30:8d561f16383b 466 float ini_x = LT_Voltage_Output[idx];
Lightvalve 30:8d561f16383b 467 float fin_x = LT_Voltage_Output[idx+1];
Lightvalve 30:8d561f16383b 468 float ini_y = LT_PWM_duty[idx];
Lightvalve 30:8d561f16383b 469 float fin_y = LT_PWM_duty[idx+1];
Lightvalve 13:747daba9cf59 470 if(Ref_V>=ini_x && Ref_V<fin_x) {
Lightvalve 13:747daba9cf59 471 PWM_duty = (fin_y-ini_y)/(fin_x-ini_x)*(Ref_V-ini_x) + ini_y;
Lightvalve 13:747daba9cf59 472 break;
Lightvalve 13:747daba9cf59 473 }
Lightvalve 13:747daba9cf59 474 }
Lightvalve 13:747daba9cf59 475 }
Lightvalve 14:8e7590227d22 476
Lightvalve 13:747daba9cf59 477 return PWM_duty;
Lightvalve 13:747daba9cf59 478 }
jobuuu 6:df07d3491e3a 479
Lightvalve 57:f4819de54e7a 480
Lightvalve 57:f4819de54e7a 481
jobuuu 2:a1c0a37df760 482 /*******************************************************************************
jobuuu 2:a1c0a37df760 483 TIMER INTERRUPT
jobuuu 2:a1c0a37df760 484 *******************************************************************************/
jobuuu 2:a1c0a37df760 485
Lightvalve 240:fb5b57e3f157 486 float LVDT_new = 0.0f;
Lightvalve 240:fb5b57e3f157 487 float LVDT_old = 0.0f;
Lightvalve 240:fb5b57e3f157 488 float LVDT_f_cut = 1000.0f;
Lightvalve 240:fb5b57e3f157 489 float LVDT_LPF = 0.0f;
Lightvalve 240:fb5b57e3f157 490 float LVDT_sum = 0.0f;
Lightvalve 240:fb5b57e3f157 491 float LVDT_can[100] = {0.0f};
Lightvalve 240:fb5b57e3f157 492
Lightvalve 240:fb5b57e3f157 493 extern "C" void TIM3_IRQHandler(void)
Lightvalve 240:fb5b57e3f157 494 {
Lightvalve 240:fb5b57e3f157 495 if (TIM3->SR & TIM_SR_UIF ) {
Lightvalve 240:fb5b57e3f157 496
Lightvalve 240:fb5b57e3f157 497 // if (LED > 0) LED = 0;
Lightvalve 240:fb5b57e3f157 498 // else LED = 1;
Lightvalve 240:fb5b57e3f157 499
Lightvalve 240:fb5b57e3f157 500 LVDT_sum = 0.0f;
Lightvalve 240:fb5b57e3f157 501
Lightvalve 240:fb5b57e3f157 502 LVDT_H = 1;
Lightvalve 240:fb5b57e3f157 503 LVDT_L = 0;
Lightvalve 240:fb5b57e3f157 504
Lightvalve 241:27eca07c9591 505 for (int ij = 0; ij<200; ij++) {
Lightvalve 240:fb5b57e3f157 506 // LED = 1;
Lightvalve 240:fb5b57e3f157 507 ADC1->CR2 |= 0x40000000;
Lightvalve 240:fb5b57e3f157 508 LVDT_new = ((float)ADC1->DR) - 2047.5f;
Lightvalve 240:fb5b57e3f157 509 LVDT_sum = LVDT_sum + LVDT_new;
Lightvalve 240:fb5b57e3f157 510 // LED = 0;
Lightvalve 240:fb5b57e3f157 511 }
Lightvalve 240:fb5b57e3f157 512
Lightvalve 240:fb5b57e3f157 513 LVDT_H = 0;
Lightvalve 240:fb5b57e3f157 514 LVDT_L = 0;
Lightvalve 240:fb5b57e3f157 515
Lightvalve 240:fb5b57e3f157 516 // LED = 0;
Lightvalve 241:27eca07c9591 517 LVDT_new = LVDT_sum * 0.005f;
Lightvalve 240:fb5b57e3f157 518
Lightvalve 241:27eca07c9591 519 float alpha_LVDT = 1.0f/(1.0f+TMR_FREQ_1k/(2.0f*PI*300.0f));
Lightvalve 240:fb5b57e3f157 520 LVDT_LPF = (1.0f-alpha_LVDT) * LVDT_LPF + alpha_LVDT * LVDT_new;
Lightvalve 241:27eca07c9591 521 valve_pos.sen = LVDT_LPF;
Lightvalve 242:b235d67d25ba 522 if(DIR_VALVE_ENC < 0) valve_pos.sen = 0.0f - valve_pos.sen;
Lightvalve 240:fb5b57e3f157 523
Lightvalve 240:fb5b57e3f157 524 }
Lightvalve 240:fb5b57e3f157 525 TIM3->SR = 0x0; // reset the status register
Lightvalve 240:fb5b57e3f157 526 }
Lightvalve 240:fb5b57e3f157 527
Lightvalve 240:fb5b57e3f157 528
Lightvalve 240:fb5b57e3f157 529
jobuuu 230:2c3e5ecbe7e1 530 //------------------------------------------------
jobuuu 230:2c3e5ecbe7e1 531 // TMR4 : Sensor Read & Data Handling
jobuuu 230:2c3e5ecbe7e1 532 //-----------------------------------------------
Lightvalve 51:b46bed7fec80 533 float FREQ_TMR4 = (float)FREQ_20k;
Lightvalve 51:b46bed7fec80 534 float DT_TMR4 = (float)DT_20k;
Lightvalve 57:f4819de54e7a 535 long CNT_TMR4 = 0;
Lightvalve 57:f4819de54e7a 536 int TMR4_FREQ_10k = (int)FREQ_10k;
jobuuu 1:e04e563be5ce 537 extern "C" void TIM4_IRQHandler(void)
jobuuu 1:e04e563be5ce 538 {
Lightvalve 19:23b7c1ad8683 539 if (TIM4->SR & TIM_SR_UIF ) {
Lightvalve 13:747daba9cf59 540
Lightvalve 240:fb5b57e3f157 541 // if (LED > 0) LED = 0;
Lightvalve 240:fb5b57e3f157 542 // else LED = 1;
Lightvalve 240:fb5b57e3f157 543
jobuuu 230:2c3e5ecbe7e1 544 // Current ===================================================
jobuuu 230:2c3e5ecbe7e1 545 //ADC3->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 235:c831718303c9 546
jobuuu 230:2c3e5ecbe7e1 547 cur.UpdateSen(((float)ADC3->DR-2047.5f)/2047.5f*10.0f, FREQ_TMR4, 500.0f); // unit : mA
jobuuu 230:2c3e5ecbe7e1 548
jobuuu 230:2c3e5ecbe7e1 549 // Encoder ===================================================
Lightvalve 57:f4819de54e7a 550 if (CNT_TMR4 % (int) ((int) FREQ_TMR4/TMR4_FREQ_10k) == 0) {
Lightvalve 57:f4819de54e7a 551 ENC_UPDATE();
Lightvalve 57:f4819de54e7a 552 }
Lightvalve 61:bc8c8270f0ab 553
Lightvalve 240:fb5b57e3f157 554 /*
jobuuu 230:2c3e5ecbe7e1 555 // Force or Pressure Transducer =============================================
Lightvalve 61:bc8c8270f0ab 556 ADC1->CR2 |= 0x40000000;
jobuuu 230:2c3e5ecbe7e1 557 if (SENSING_MODE == 0) { // Force sensing
jobuuu 230:2c3e5ecbe7e1 558 force.UpdateSen((((float)ADC1->DR) - 2047.5f)/TORQUE_SENSOR_PULSE_PER_TORQUE, FREQ_TMR4, 100.0f); // unit : N
jobuuu 230:2c3e5ecbe7e1 559 } else if (SENSING_MODE == 1) { // Pressure sensing
jobuuu 230:2c3e5ecbe7e1 560 float pres_A_new, pres_B_new;
Lightvalve 240:fb5b57e3f157 561 // if (DIR_VALVE_ENC > 0) {
Lightvalve 240:fb5b57e3f157 562 pres_A_new = (((float)ADC1->DR) - PRES_A_NULL_pulse)/ PRES_SENSOR_A_PULSE_PER_BAR; // unit : bar
Lightvalve 240:fb5b57e3f157 563 pres_B_new = (((float)ADC2->DR) - PRES_B_NULL_pulse)/ PRES_SENSOR_B_PULSE_PER_BAR;
Lightvalve 240:fb5b57e3f157 564 // } else {
Lightvalve 240:fb5b57e3f157 565 // pres_A_new = (((float)ADC2->DR) - PRES_A_NULL_pulse)/ PRES_SENSOR_A_PULSE_PER_BAR; // unit : bar
Lightvalve 240:fb5b57e3f157 566 // pres_B_new = (((float)ADC1->DR) - PRES_B_NULL_pulse)/ PRES_SENSOR_B_PULSE_PER_BAR;
Lightvalve 240:fb5b57e3f157 567 // }
jobuuu 230:2c3e5ecbe7e1 568 pres_A.UpdateSen(pres_A_new,FREQ_TMR4,200.0f);
jobuuu 230:2c3e5ecbe7e1 569 pres_B.UpdateSen(pres_B_new,FREQ_TMR4,200.0f);
Lightvalve 50:3c630b5eba9f 570
Lightvalve 238:4e660aa77eb7 571 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
Lightvalve 235:c831718303c9 572 float torq_new = (PISTON_AREA_A * pres_A.sen - PISTON_AREA_B * pres_B.sen) * 0.0001f; // mm^3*bar >> Nm
Lightvalve 232:2976cf1b4252 573 torq.UpdateSen(torq_new,FREQ_TMR4,1000.0f); // unit : Nm
Lightvalve 238:4e660aa77eb7 574 } else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
jobuuu 230:2c3e5ecbe7e1 575 float force_new = (PISTON_AREA_A * pres_A.sen - PISTON_AREA_B * pres_B.sen) * 0.1f; // mm^2*bar >> N
Lightvalve 232:2976cf1b4252 576 force.UpdateSen(force_new,FREQ_TMR4,1000.0f); // unit : N
Lightvalve 58:2eade98630e2 577 }
Lightvalve 58:2eade98630e2 578 }
Lightvalve 240:fb5b57e3f157 579 */
Lightvalve 61:bc8c8270f0ab 580
Lightvalve 57:f4819de54e7a 581 CNT_TMR4++;
Lightvalve 21:e5f1a43ea6f9 582 }
Lightvalve 11:82d8768d7351 583 TIM4->SR = 0x0; // reset the status register
Lightvalve 11:82d8768d7351 584 }
Lightvalve 19:23b7c1ad8683 585
Lightvalve 19:23b7c1ad8683 586
Lightvalve 18:b8adf1582ea3 587 int j =0;
Lightvalve 240:fb5b57e3f157 588 float FREQ_TMR5 = (float)FREQ_5k;
Lightvalve 240:fb5b57e3f157 589 float DT_TMR5 = (float)DT_5k;
Lightvalve 45:35fa6884d0c6 590 int cnt_trans = 0;
Lightvalve 48:889798ff9329 591 double VALVE_POS_RAW_FORCE_FB_LOGGING = 0.0f;
Lightvalve 57:f4819de54e7a 592 int can_rest =0;
Lightvalve 239:8ac5c6162bc1 593 float force_ref_act_can = 0.0f;
Lightvalve 48:889798ff9329 594
Lightvalve 240:fb5b57e3f157 595 extern "C" void TIM2_IRQHandler(void)
Lightvalve 21:e5f1a43ea6f9 596 {
Lightvalve 240:fb5b57e3f157 597 if (TIM2->SR & TIM_SR_UIF ) {
Lightvalve 240:fb5b57e3f157 598
Lightvalve 241:27eca07c9591 599 // if (LED > 0) LED = 0;
Lightvalve 241:27eca07c9591 600 // else LED = 1;
Lightvalve 57:f4819de54e7a 601
Lightvalve 50:3c630b5eba9f 602 if(MODE_POS_FT_TRANS == 1) {
jobuuu 230:2c3e5ecbe7e1 603 if (alpha_trans == 1.0f) MODE_POS_FT_TRANS = 2;
Lightvalve 240:fb5b57e3f157 604 alpha_trans = (float)(1.0f - cos(3.141592f * (float)cnt_trans * DT_TMR5 /3.0f))/2.0f;
Lightvalve 45:35fa6884d0c6 605 cnt_trans++;
Lightvalve 233:2ec0de8590d3 606 torq.err_int = 0.0f;
Lightvalve 233:2ec0de8590d3 607 force.err_int = 0.0f;
Lightvalve 240:fb5b57e3f157 608 if((float)cnt_trans * DT_TMR5 > 3.0f)
Lightvalve 45:35fa6884d0c6 609 MODE_POS_FT_TRANS = 2;
Lightvalve 50:3c630b5eba9f 610 } else if(MODE_POS_FT_TRANS == 3) {
jobuuu 230:2c3e5ecbe7e1 611 if (alpha_trans == 0.0f) MODE_POS_FT_TRANS = 0;
Lightvalve 240:fb5b57e3f157 612 alpha_trans = (float)(1.0f + cos(3.141592f * (float)cnt_trans * DT_TMR5 /3.0f))/2.0f;
Lightvalve 45:35fa6884d0c6 613 cnt_trans++;
Lightvalve 233:2ec0de8590d3 614 torq.err_int = 0.0f;
Lightvalve 233:2ec0de8590d3 615 force.err_int = 0.0f;
Lightvalve 240:fb5b57e3f157 616 if((float) cnt_trans * DT_TMR5 > 3.0f )
Lightvalve 45:35fa6884d0c6 617 MODE_POS_FT_TRANS = 0;
Lightvalve 50:3c630b5eba9f 618 } else if(MODE_POS_FT_TRANS == 2) {
Lightvalve 58:2eade98630e2 619 alpha_trans = 1.0f;
Lightvalve 45:35fa6884d0c6 620 cnt_trans = 0;
Lightvalve 50:3c630b5eba9f 621 } else {
Lightvalve 58:2eade98630e2 622 alpha_trans = 0.0f;
Lightvalve 45:35fa6884d0c6 623 cnt_trans = 0;
Lightvalve 45:35fa6884d0c6 624 }
Lightvalve 45:35fa6884d0c6 625
Lightvalve 50:3c630b5eba9f 626
jobuuu 230:2c3e5ecbe7e1 627 // Reference Update ==========================================================
hyhoon 227:699c3e572283 628 switch (REFERENCE_MODE) {
hyhoon 227:699c3e572283 629 case MODE_REF_NO_ACT: {
hyhoon 227:699c3e572283 630 break;
hyhoon 227:699c3e572283 631 }
hyhoon 227:699c3e572283 632 case MODE_REF_DIRECT: {
hyhoon 227:699c3e572283 633 pos.ref = REF_POSITION;
hyhoon 227:699c3e572283 634 vel.ref = REF_VELOCITY;
hyhoon 227:699c3e572283 635 torq.ref = REF_TORQUE;
jobuuu 230:2c3e5ecbe7e1 636 force.ref = REF_FORCE;
jobuuu 230:2c3e5ecbe7e1 637 break;
jobuuu 230:2c3e5ecbe7e1 638 }
jobuuu 230:2c3e5ecbe7e1 639 case MODE_REF_FINDHOME: {
jobuuu 230:2c3e5ecbe7e1 640 pos.ref = REF_POSITION_FINDHOME;
jobuuu 230:2c3e5ecbe7e1 641 vel.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 642 torq.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 643 force.ref = 0.0f;
hyhoon 227:699c3e572283 644 break;
hyhoon 227:699c3e572283 645 }
hyhoon 227:699c3e572283 646 default:
hyhoon 227:699c3e572283 647 break;
hyhoon 227:699c3e572283 648 }
hyhoon 227:699c3e572283 649
Lightvalve 237:c2cfe349f5c1 650 if (((OPERATING_MODE&0b110)>>1) == 0) {
jobuuu 230:2c3e5ecbe7e1 651 K_v = 1.03f; // Q = K_v*sqrt(deltaP)*tanh(C_d*Xv);
Lightvalve 235:c831718303c9 652 C_d = 0.16f;
jobuuu 230:2c3e5ecbe7e1 653 mV_PER_mA = 500.0f; // 5000mV/10mA
jobuuu 230:2c3e5ecbe7e1 654 mV_PER_pulse = 0.5f; // 5000mV/10000pulse
jobuuu 230:2c3e5ecbe7e1 655 mA_PER_pulse = 0.001f; // 10mA/10000pulse
Lightvalve 237:c2cfe349f5c1 656 } else if (((OPERATING_MODE&0b110)>>1) == 1) {
jobuuu 230:2c3e5ecbe7e1 657 K_v = 0.5f; // KNR (LPM >> mA) , 100bar
jobuuu 230:2c3e5ecbe7e1 658 mV_PER_mA = 166.6666f; // 5000mV/30mA
jobuuu 230:2c3e5ecbe7e1 659 mV_PER_pulse = 0.5f; // 5000mV/10000pulse
jobuuu 230:2c3e5ecbe7e1 660 mA_PER_pulse = 0.003f; // 30mA/10000pulse
Lightvalve 237:c2cfe349f5c1 661 } else if (((OPERATING_MODE&0b110)>>1) == 2) {
Lightvalve 237:c2cfe349f5c1 662 C_d = 0.0000845f; // Q = C_d * Valve_pos * sqrt(deltaP*alpha/(1+alpha)) : Valve_pos = 10000, deltaP = 70, alpha = 1 -> Q = 5
jobuuu 230:2c3e5ecbe7e1 663 }
Lightvalve 235:c831718303c9 664
jobuuu 230:2c3e5ecbe7e1 665 // =====================================================================
jobuuu 230:2c3e5ecbe7e1 666 // CONTROL LOOP --------------------------------------------------------
jobuuu 230:2c3e5ecbe7e1 667 // =====================================================================
Lightvalve 57:f4819de54e7a 668 int UTILITY_MODE = 0;
Lightvalve 57:f4819de54e7a 669 int CONTROL_MODE = 0;
Lightvalve 58:2eade98630e2 670
Lightvalve 57:f4819de54e7a 671 if (CONTROL_UTILITY_MODE >= 20 || CONTROL_UTILITY_MODE == 0) {
Lightvalve 57:f4819de54e7a 672 UTILITY_MODE = CONTROL_UTILITY_MODE;
Lightvalve 57:f4819de54e7a 673 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 57:f4819de54e7a 674 } else {
Lightvalve 57:f4819de54e7a 675 CONTROL_MODE = CONTROL_UTILITY_MODE;
Lightvalve 57:f4819de54e7a 676 UTILITY_MODE = MODE_NO_ACT;
Lightvalve 57:f4819de54e7a 677 }
Lightvalve 57:f4819de54e7a 678 // UTILITY MODE ------------------------------------------------------------
Lightvalve 57:f4819de54e7a 679 switch (UTILITY_MODE) {
Lightvalve 57:f4819de54e7a 680 case MODE_NO_ACT: {
Lightvalve 13:747daba9cf59 681 break;
Lightvalve 13:747daba9cf59 682 }
Lightvalve 14:8e7590227d22 683
Lightvalve 235:c831718303c9 684 case MODE_TORQUE_SENSOR_NULLING: {
Lightvalve 235:c831718303c9 685 static float FORCE_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 686 static float PresA_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 687 static float PresB_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 688
Lightvalve 13:747daba9cf59 689 // DAC Voltage reference set
Lightvalve 232:2976cf1b4252 690 float VREF_TuningGain = -0.000003f;
jobuuu 230:2c3e5ecbe7e1 691 if (TMR3_COUNT_TORQUE_NULL < TMR_FREQ_5k * 5) {
jobuuu 230:2c3e5ecbe7e1 692 LED = 1;
jobuuu 230:2c3e5ecbe7e1 693 if(SENSING_MODE == 0) { // Force Sensor (Loadcell)
jobuuu 230:2c3e5ecbe7e1 694 FORCE_pulse_sum = FORCE_pulse_sum + force.sen*TORQUE_SENSOR_PULSE_PER_TORQUE;
jobuuu 230:2c3e5ecbe7e1 695 if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
jobuuu 230:2c3e5ecbe7e1 696 float FORCE_pluse_mean = FORCE_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 697 FORCE_pulse_sum = 0.0f;
Lightvalve 19:23b7c1ad8683 698
jobuuu 230:2c3e5ecbe7e1 699 FORCE_VREF += VREF_TuningGain * (0.0f - FORCE_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 700 if (FORCE_VREF > 3.3f) FORCE_VREF = 3.3f;
jobuuu 230:2c3e5ecbe7e1 701 if (FORCE_VREF < 0.0f) FORCE_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 702 dac_1 = FORCE_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 703 }
Lightvalve 235:c831718303c9 704 } else if (SENSING_MODE == 1) { // Pressure Sensor
jobuuu 230:2c3e5ecbe7e1 705 PresA_pulse_sum += pres_A.sen*PRES_SENSOR_A_PULSE_PER_BAR;
jobuuu 230:2c3e5ecbe7e1 706 PresB_pulse_sum += pres_B.sen*PRES_SENSOR_B_PULSE_PER_BAR;
jobuuu 230:2c3e5ecbe7e1 707 if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
jobuuu 230:2c3e5ecbe7e1 708 float PresA_pluse_mean = PresA_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 709 float PresB_pluse_mean = PresB_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 710 PresA_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 711 PresB_pulse_sum = 0.0f;
Lightvalve 19:23b7c1ad8683 712
jobuuu 230:2c3e5ecbe7e1 713 PRES_A_VREF += VREF_TuningGain * (0.0f - PresA_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 714 if (PRES_A_VREF > 3.3f) PRES_A_VREF = 3.3f;
jobuuu 230:2c3e5ecbe7e1 715 if (PRES_A_VREF < 0.0f) PRES_A_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 716 dac_1 = PRES_A_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 717 PRES_B_VREF += VREF_TuningGain * (0.0f - PresB_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 718 if (PRES_B_VREF > 3.3f) PRES_B_VREF = 3.3f;
Lightvalve 235:c831718303c9 719 if (PRES_B_VREF < 0.0f) PRES_B_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 720 dac_2 = PRES_B_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 721 }
Lightvalve 13:747daba9cf59 722 }
jobuuu 230:2c3e5ecbe7e1 723 TMR3_COUNT_TORQUE_NULL++;
Lightvalve 13:747daba9cf59 724 } else {
jobuuu 230:2c3e5ecbe7e1 725 if(SENSING_MODE == 0 ) { // Force Sensor (Loadcell)
jobuuu 230:2c3e5ecbe7e1 726 FORCE_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 727 dac_1 = FORCE_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 728 spi_eeprom_write(RID_FORCE_SENSOR_VREF, (int16_t)(FORCE_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 729 } else if (SENSING_MODE == 1) {
jobuuu 230:2c3e5ecbe7e1 730 PresA_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 731 PresB_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 732 dac_1 = PRES_A_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 733 dac_2 = PRES_B_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 734 spi_eeprom_write(RID_PRES_A_SENSOR_VREF, (int16_t)(PRES_A_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 735 spi_eeprom_write(RID_PRES_B_SENSOR_VREF, (int16_t)(PRES_B_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 736 }
Lightvalve 58:2eade98630e2 737 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 14:8e7590227d22 738 TMR3_COUNT_TORQUE_NULL = 0;
Lightvalve 13:747daba9cf59 739 }
Lightvalve 13:747daba9cf59 740 break;
Lightvalve 19:23b7c1ad8683 741 }
Lightvalve 14:8e7590227d22 742
Lightvalve 235:c831718303c9 743 case MODE_FIND_HOME: {
jobuuu 230:2c3e5ecbe7e1 744 static int cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 745 static int cnt_terminate_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 746 static float FINDHOME_POSITION_pulse = 0.0f;
jobuuu 230:2c3e5ecbe7e1 747 static float FINDHOME_POSITION_pulse_OLD = 0.0f;
jobuuu 230:2c3e5ecbe7e1 748 static float FINDHOME_VELOCITY_pulse = 0.0f;
Lightvalve 235:c831718303c9 749 static float REF_POSITION_FINDHOME_INIT = 0.0f;
jobuuu 230:2c3e5ecbe7e1 750
Lightvalve 29:69f3f5445d6d 751 if (FINDHOME_STAGE == FINDHOME_INIT) {
jobuuu 230:2c3e5ecbe7e1 752 REFERENCE_MODE = MODE_REF_FINDHOME;
Lightvalve 14:8e7590227d22 753 cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 754 cnt_terminate_findhome = 0;
Lightvalve 59:f308b1656d9c 755 pos.ref = pos.sen;
Lightvalve 59:f308b1656d9c 756 vel.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 757 REF_POSITION_FINDHOME = pos.ref;
Lightvalve 29:69f3f5445d6d 758 FINDHOME_STAGE = FINDHOME_GOTOLIMIT;
Lightvalve 29:69f3f5445d6d 759 } else if (FINDHOME_STAGE == FINDHOME_GOTOLIMIT) {
jobuuu 230:2c3e5ecbe7e1 760 int cnt_check_enc = (TMR_FREQ_5k/20); // 5000/20 = 250tic = 50msec
Lightvalve 29:69f3f5445d6d 761 if(cnt_findhome%cnt_check_enc == 0) {
jobuuu 230:2c3e5ecbe7e1 762 FINDHOME_POSITION_pulse = pos.sen*ENC_PULSE_PER_POSITION;
jobuuu 230:2c3e5ecbe7e1 763 FINDHOME_VELOCITY_pulse = FINDHOME_POSITION_pulse - FINDHOME_POSITION_pulse_OLD;
jobuuu 230:2c3e5ecbe7e1 764 FINDHOME_POSITION_pulse_OLD = FINDHOME_POSITION_pulse;
Lightvalve 29:69f3f5445d6d 765 }
Lightvalve 29:69f3f5445d6d 766 cnt_findhome++;
Lightvalve 14:8e7590227d22 767
jobuuu 230:2c3e5ecbe7e1 768 if (fabs(FINDHOME_VELOCITY_pulse) <= 1) {
jobuuu 230:2c3e5ecbe7e1 769 cnt_terminate_findhome = cnt_terminate_findhome + 1;
Lightvalve 29:69f3f5445d6d 770 } else {
jobuuu 230:2c3e5ecbe7e1 771 cnt_terminate_findhome = 0;
Lightvalve 29:69f3f5445d6d 772 }
Lightvalve 19:23b7c1ad8683 773
jobuuu 230:2c3e5ecbe7e1 774 if ((cnt_terminate_findhome < 3*TMR_FREQ_5k) && cnt_findhome < 10*TMR_FREQ_5k) { // wait for 3sec
jobuuu 230:2c3e5ecbe7e1 775 double GOTOHOME_SPEED = 10.0f; // 20mm/s or 20deg/s
hyhoon 226:82a3ca333004 776 if (HOMEPOS_OFFSET > 0) {
Lightvalve 235:c831718303c9 777 REF_POSITION_FINDHOME = REF_POSITION_FINDHOME + GOTOHOME_SPEED*DT_5k;
hyhoon 226:82a3ca333004 778 } else {
jobuuu 230:2c3e5ecbe7e1 779 REF_POSITION_FINDHOME = REF_POSITION_FINDHOME - GOTOHOME_SPEED*DT_5k;
hyhoon 226:82a3ca333004 780 }
Lightvalve 59:f308b1656d9c 781 CONTROL_MODE = MODE_JOINT_CONTROL;
Lightvalve 59:f308b1656d9c 782 alpha_trans = 0.0f;
Lightvalve 29:69f3f5445d6d 783 } else {
jobuuu 230:2c3e5ecbe7e1 784 ENC_SET((long)((long)HOMEPOS_OFFSET*10));
jobuuu 230:2c3e5ecbe7e1 785 REF_POSITION_FINDHOME_INIT = (float)((long)HOMEPOS_OFFSET*10);
jobuuu 230:2c3e5ecbe7e1 786 FINDHOME_POSITION_pulse = 0;
jobuuu 230:2c3e5ecbe7e1 787 FINDHOME_POSITION_pulse_OLD = 0;
jobuuu 230:2c3e5ecbe7e1 788 FINDHOME_VELOCITY_pulse = 0;
Lightvalve 235:c831718303c9 789
Lightvalve 29:69f3f5445d6d 790 cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 791 cnt_terminate_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 792 pos.ref = 0.0f;
Lightvalve 29:69f3f5445d6d 793 FINDHOME_STAGE = FINDHOME_ZEROPOSE;
Lightvalve 29:69f3f5445d6d 794 }
Lightvalve 29:69f3f5445d6d 795 } else if (FINDHOME_STAGE == FINDHOME_ZEROPOSE) {
Lightvalve 235:c831718303c9 796
Lightvalve 232:2976cf1b4252 797 // int T_move = 2*TMR_FREQ_5k;
Lightvalve 232:2976cf1b4252 798 int T_move = 10000;
Lightvalve 232:2976cf1b4252 799 REF_POSITION_FINDHOME = ((0.0f - REF_POSITION_FINDHOME_INIT)*0.5f*(1.0f - cos(3.14159f * (float)cnt_findhome / (float)T_move)) + (float)REF_POSITION_FINDHOME_INIT)/ENC_PULSE_PER_POSITION;
Lightvalve 235:c831718303c9 800
Lightvalve 29:69f3f5445d6d 801 cnt_findhome++;
Lightvalve 235:c831718303c9 802
Lightvalve 232:2976cf1b4252 803 REFERENCE_MODE = MODE_REF_FINDHOME;
Lightvalve 232:2976cf1b4252 804 CONTROL_MODE = MODE_JOINT_CONTROL;
Lightvalve 232:2976cf1b4252 805 alpha_trans = 0.0f;
Lightvalve 235:c831718303c9 806
Lightvalve 29:69f3f5445d6d 807 if (cnt_findhome >= T_move) {
Lightvalve 29:69f3f5445d6d 808 cnt_findhome = 0;
Lightvalve 30:8d561f16383b 809 pos.ref = 0.0f;
Lightvalve 29:69f3f5445d6d 810 FINDHOME_STAGE = FINDHOME_INIT;
Lightvalve 57:f4819de54e7a 811 CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
jobuuu 230:2c3e5ecbe7e1 812 REFERENCE_MODE = MODE_REF_DIRECT;
hyhoon 226:82a3ca333004 813 }
Lightvalve 13:747daba9cf59 814 }
Lightvalve 13:747daba9cf59 815 break;
Lightvalve 13:747daba9cf59 816 }
Lightvalve 237:c2cfe349f5c1 817
Lightvalve 237:c2cfe349f5c1 818 case MODE_DDV_POS_VS_PWM_ID: {
Lightvalve 237:c2cfe349f5c1 819 CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
Lightvalve 237:c2cfe349f5c1 820 VALVE_ID_timer = VALVE_ID_timer + 1;
Lightvalve 237:c2cfe349f5c1 821
Lightvalve 237:c2cfe349f5c1 822 if(VALVE_ID_timer < TMR_FREQ_5k*1) {
Lightvalve 237:c2cfe349f5c1 823 Vout.ref = 3000.0f * sin(2.0f*3.14159f*VALVE_ID_timer/TMR_FREQ_5k * 100.0f);
Lightvalve 237:c2cfe349f5c1 824 } else if(VALVE_ID_timer < TMR_FREQ_5k*2) {
Lightvalve 237:c2cfe349f5c1 825 Vout.ref = 1000.0f*(ID_index_array[ID_index]);
Lightvalve 237:c2cfe349f5c1 826 } else if(VALVE_ID_timer == TMR_FREQ_5k*2) {
Lightvalve 237:c2cfe349f5c1 827 VALVE_POS_TMP = 0;
Lightvalve 237:c2cfe349f5c1 828 data_num = 0;
Lightvalve 237:c2cfe349f5c1 829 } else if(VALVE_ID_timer < TMR_FREQ_5k*3) {
Lightvalve 237:c2cfe349f5c1 830 data_num = data_num + 1;
Lightvalve 242:b235d67d25ba 831 // VALVE_POS_TMP = VALVE_POS_TMP + value;
Lightvalve 242:b235d67d25ba 832 VALVE_POS_TMP = VALVE_POS_TMP + valve_pos.sen;
Lightvalve 237:c2cfe349f5c1 833 } else if(VALVE_ID_timer == TMR_FREQ_5k*3) {
Lightvalve 237:c2cfe349f5c1 834 Vout.ref = 0.0f;
Lightvalve 237:c2cfe349f5c1 835 } else {
Lightvalve 237:c2cfe349f5c1 836 VALVE_POS_AVG[ID_index] = VALVE_POS_TMP / data_num;
Lightvalve 237:c2cfe349f5c1 837 VALVE_ID_timer = 0;
Lightvalve 237:c2cfe349f5c1 838 ID_index= ID_index +1;
Lightvalve 237:c2cfe349f5c1 839 }
Lightvalve 237:c2cfe349f5c1 840
Lightvalve 237:c2cfe349f5c1 841 if(ID_index>=25) {
Lightvalve 237:c2cfe349f5c1 842 int i;
Lightvalve 237:c2cfe349f5c1 843 VALVE_POS_AVG_OLD = VALVE_POS_AVG[0];
Lightvalve 237:c2cfe349f5c1 844 for(i=0; i<25; i++) {
Lightvalve 237:c2cfe349f5c1 845 VALVE_POS_VS_PWM[i] = (int16_t) (VALVE_POS_AVG[i]);
Lightvalve 237:c2cfe349f5c1 846 if(VALVE_POS_AVG[i] > VALVE_POS_AVG_OLD) {
Lightvalve 237:c2cfe349f5c1 847 VALVE_MAX_POS = VALVE_POS_AVG[i];
Lightvalve 237:c2cfe349f5c1 848 VALVE_POS_AVG_OLD = VALVE_MAX_POS;
Lightvalve 237:c2cfe349f5c1 849 } else if(VALVE_POS_AVG[i] < VALVE_POS_AVG_OLD) {
Lightvalve 237:c2cfe349f5c1 850 VALVE_MIN_POS = VALVE_POS_AVG[i];
Lightvalve 237:c2cfe349f5c1 851 VALVE_POS_AVG_OLD = VALVE_MIN_POS;
Lightvalve 237:c2cfe349f5c1 852 }
Lightvalve 237:c2cfe349f5c1 853 }
Lightvalve 237:c2cfe349f5c1 854 VALVE_ELECTRIC_CENTER = VALVE_POS_VS_PWM[0];
Lightvalve 237:c2cfe349f5c1 855 spi_eeprom_write(RID_VALVE_ELECTRIC_CENTER, (int16_t) VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 856 spi_eeprom_write(RID_VALVE_MAX_POS, (int16_t) VALVE_MAX_POS);
Lightvalve 237:c2cfe349f5c1 857 spi_eeprom_write(RID_VALVE_MIN_POS, (int16_t) VALVE_MIN_POS);
Lightvalve 237:c2cfe349f5c1 858 for(int i=0; i<25; i++) {
Lightvalve 237:c2cfe349f5c1 859 spi_eeprom_write(RID_VALVE_POS_VS_PWM_0 + i, (int16_t) VALVE_POS_VS_PWM[i]);
Lightvalve 237:c2cfe349f5c1 860 }
Lightvalve 237:c2cfe349f5c1 861 ID_index = 0;
Lightvalve 237:c2cfe349f5c1 862 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 863 }
Lightvalve 237:c2cfe349f5c1 864
Lightvalve 237:c2cfe349f5c1 865
Lightvalve 237:c2cfe349f5c1 866 break;
Lightvalve 237:c2cfe349f5c1 867 }
Lightvalve 237:c2cfe349f5c1 868 case MODE_DDV_DEADZONE_AND_CENTER: {
Lightvalve 237:c2cfe349f5c1 869 CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
Lightvalve 237:c2cfe349f5c1 870 VALVE_DZ_timer = VALVE_DZ_timer + 1;
Lightvalve 237:c2cfe349f5c1 871 if(first_check == 0) {
Lightvalve 237:c2cfe349f5c1 872 if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 873 Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
Lightvalve 237:c2cfe349f5c1 874 } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 875 Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
Lightvalve 237:c2cfe349f5c1 876 pos_plus_end = pos.sen;
Lightvalve 237:c2cfe349f5c1 877 } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 878 Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
Lightvalve 237:c2cfe349f5c1 879 } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 880 Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
Lightvalve 237:c2cfe349f5c1 881 pos_minus_end = pos.sen;
Lightvalve 237:c2cfe349f5c1 882 } else if(VALVE_DZ_timer < (int) (3.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 883 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 884 } else if(VALVE_DZ_timer < (int) (4.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 885 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 886 data_num = data_num + 1;
Lightvalve 237:c2cfe349f5c1 887 VALVE_POS_TMP = VALVE_POS_TMP + value;
Lightvalve 237:c2cfe349f5c1 888 } else if(VALVE_DZ_timer == (int) (4.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 889 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 890 DDV_POS_AVG = VALVE_POS_TMP / data_num;
Lightvalve 237:c2cfe349f5c1 891 START_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 892 VALVE_POS_TMP = 0;
Lightvalve 237:c2cfe349f5c1 893 data_num = 0;
Lightvalve 237:c2cfe349f5c1 894
Lightvalve 237:c2cfe349f5c1 895 } else if(VALVE_DZ_timer < (int) (5.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 896 valve_pos_raw.ref = DDV_POS_AVG;
Lightvalve 238:4e660aa77eb7 897 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 898
Lightvalve 237:c2cfe349f5c1 899 } else if(VALVE_DZ_timer < (int) (6.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 900 valve_pos_raw.ref = DDV_POS_AVG;
Lightvalve 238:4e660aa77eb7 901 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 902
Lightvalve 237:c2cfe349f5c1 903 } else if(VALVE_DZ_timer == (int) (6.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 904 valve_pos_raw.ref = DDV_POS_AVG;
Lightvalve 238:4e660aa77eb7 905 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 906 FINAL_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 907
Lightvalve 238:4e660aa77eb7 908 if((FINAL_POS - START_POS)>1) {
Lightvalve 237:c2cfe349f5c1 909 DZ_case = 1;
Lightvalve 238:4e660aa77eb7 910 } else if((FINAL_POS - START_POS)<-1) {
Lightvalve 237:c2cfe349f5c1 911 DZ_case = -1;
Lightvalve 237:c2cfe349f5c1 912 } else {
Lightvalve 237:c2cfe349f5c1 913 DZ_case = 0;
Lightvalve 237:c2cfe349f5c1 914 }
Lightvalve 237:c2cfe349f5c1 915
Lightvalve 237:c2cfe349f5c1 916 first_check = 1;
Lightvalve 237:c2cfe349f5c1 917 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 918 VALVE_DZ_timer = 0;
Lightvalve 237:c2cfe349f5c1 919 Ref_Valve_Pos_Old = DDV_POS_AVG;
Lightvalve 237:c2cfe349f5c1 920 DZ_NUM = 1;
Lightvalve 237:c2cfe349f5c1 921 DZ_index = 1;
Lightvalve 237:c2cfe349f5c1 922
Lightvalve 237:c2cfe349f5c1 923 }
Lightvalve 237:c2cfe349f5c1 924 } else {
Lightvalve 237:c2cfe349f5c1 925 if((DZ_case == -1 && DZ_NUM == 1) | (DZ_case == 1 && DZ_NUM == 1)) {
Lightvalve 237:c2cfe349f5c1 926 if(VALVE_DZ_timer < (int) (1.0 * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 927 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 928 } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 929 START_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 930 } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 931 valve_pos_raw.ref = Ref_Valve_Pos_Old - DZ_case * DZ_DIRECTION * 64 / DZ_index;
Lightvalve 238:4e660aa77eb7 932 if(valve_pos_raw.ref <= VALVE_MIN_POS) {
Lightvalve 238:4e660aa77eb7 933 valve_pos_raw.ref = VALVE_MIN_POS;
Lightvalve 238:4e660aa77eb7 934 } else if(valve_pos_raw.ref >= VALVE_MAX_POS) {
Lightvalve 238:4e660aa77eb7 935 valve_pos_raw.ref = VALVE_MAX_POS;
Lightvalve 237:c2cfe349f5c1 936 }
Lightvalve 238:4e660aa77eb7 937 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 938
Lightvalve 237:c2cfe349f5c1 939 } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 940 Ref_Valve_Pos_Old = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 941 FINAL_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 942
Lightvalve 238:4e660aa77eb7 943 if((FINAL_POS - START_POS)>1) {
Lightvalve 237:c2cfe349f5c1 944 DZ_DIRECTION = 1 * DZ_case;
Lightvalve 238:4e660aa77eb7 945 } else if((FINAL_POS - START_POS)<-1) {
Lightvalve 237:c2cfe349f5c1 946 DZ_DIRECTION = -1 * DZ_case;
Lightvalve 237:c2cfe349f5c1 947 } else {
Lightvalve 237:c2cfe349f5c1 948 DZ_DIRECTION = 1 * DZ_case;
Lightvalve 237:c2cfe349f5c1 949 }
Lightvalve 237:c2cfe349f5c1 950
Lightvalve 237:c2cfe349f5c1 951 VALVE_DZ_timer = 0;
Lightvalve 237:c2cfe349f5c1 952 DZ_index= DZ_index *2;
Lightvalve 237:c2cfe349f5c1 953 if(DZ_index >= 128) {
Lightvalve 238:4e660aa77eb7 954 FIRST_DZ = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 955 DZ_NUM = 2;
Lightvalve 237:c2cfe349f5c1 956 Ref_Valve_Pos_Old = FIRST_DZ;
Lightvalve 237:c2cfe349f5c1 957 DZ_index = 1;
Lightvalve 237:c2cfe349f5c1 958 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 959 }
Lightvalve 237:c2cfe349f5c1 960 }
Lightvalve 237:c2cfe349f5c1 961 } else if((DZ_case == -1 && DZ_NUM == 2) | (DZ_case == 1 && DZ_NUM == 2)) {
Lightvalve 237:c2cfe349f5c1 962 if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 963 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 964 } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 965 START_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 966 } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 967 valve_pos_raw.ref = Ref_Valve_Pos_Old - DZ_case * DZ_DIRECTION * 64 / DZ_index;
Lightvalve 238:4e660aa77eb7 968 if(valve_pos_raw.ref <= VALVE_MIN_POS) {
Lightvalve 238:4e660aa77eb7 969 valve_pos_raw.ref = VALVE_MIN_POS;
Lightvalve 238:4e660aa77eb7 970 } else if(valve_pos_raw.ref >= VALVE_MAX_POS) {
Lightvalve 238:4e660aa77eb7 971 valve_pos_raw.ref = VALVE_MAX_POS;
Lightvalve 237:c2cfe349f5c1 972 }
Lightvalve 238:4e660aa77eb7 973 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 974
Lightvalve 237:c2cfe349f5c1 975 } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 976 Vout.ref = 0.0f;
Lightvalve 237:c2cfe349f5c1 977 } else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 978 Ref_Valve_Pos_Old = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 979 FINAL_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 980
Lightvalve 238:4e660aa77eb7 981 if((FINAL_POS - START_POS)>1) {
Lightvalve 237:c2cfe349f5c1 982 DZ_DIRECTION = 1 * DZ_case;
Lightvalve 238:4e660aa77eb7 983 } else if((FINAL_POS - START_POS)<-1) {
Lightvalve 237:c2cfe349f5c1 984 DZ_DIRECTION = -1 * DZ_case;
Lightvalve 237:c2cfe349f5c1 985 } else {
Lightvalve 237:c2cfe349f5c1 986 DZ_DIRECTION = -1 * DZ_case;
Lightvalve 237:c2cfe349f5c1 987 }
Lightvalve 237:c2cfe349f5c1 988
Lightvalve 237:c2cfe349f5c1 989 VALVE_DZ_timer = 0;
Lightvalve 237:c2cfe349f5c1 990 DZ_index= DZ_index * 2;
Lightvalve 237:c2cfe349f5c1 991 if(DZ_index >= 128) {
Lightvalve 238:4e660aa77eb7 992 SECOND_DZ = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 993 VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
Lightvalve 237:c2cfe349f5c1 994 first_check = 0;
Lightvalve 237:c2cfe349f5c1 995 VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
Lightvalve 237:c2cfe349f5c1 996 VALVE_DEADZONE_PLUS = (float) SECOND_DZ;
Lightvalve 237:c2cfe349f5c1 997
Lightvalve 237:c2cfe349f5c1 998 spi_eeprom_write(RID_VALVE_CNETER, (int16_t) VALVE_CENTER);
Lightvalve 237:c2cfe349f5c1 999 spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, (int16_t) VALVE_DEADZONE_PLUS);
Lightvalve 237:c2cfe349f5c1 1000 spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, (int16_t) VALVE_DEADZONE_MINUS);
Lightvalve 237:c2cfe349f5c1 1001
Lightvalve 237:c2cfe349f5c1 1002 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1003 DZ_index = 1;
Lightvalve 237:c2cfe349f5c1 1004 }
Lightvalve 237:c2cfe349f5c1 1005 }
Lightvalve 237:c2cfe349f5c1 1006 } else if(DZ_case == 0 && DZ_NUM ==1) {
Lightvalve 237:c2cfe349f5c1 1007 if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1008 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 1009 } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1010 START_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 1011 } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 1012 valve_pos_raw.ref = Ref_Valve_Pos_Old - DZ_DIRECTION * 64 / DZ_index;
Lightvalve 238:4e660aa77eb7 1013 if(valve_pos_raw.ref <= VALVE_MIN_POS) {
Lightvalve 238:4e660aa77eb7 1014 valve_pos_raw.ref = VALVE_MIN_POS;
Lightvalve 238:4e660aa77eb7 1015 } else if(valve_pos_raw.ref >= VALVE_MAX_POS) {
Lightvalve 238:4e660aa77eb7 1016 valve_pos_raw.ref = VALVE_MAX_POS;
Lightvalve 237:c2cfe349f5c1 1017 }
Lightvalve 238:4e660aa77eb7 1018 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 1019
Lightvalve 237:c2cfe349f5c1 1020 } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 1021 Ref_Valve_Pos_Old = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 1022 FINAL_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 1023
Lightvalve 238:4e660aa77eb7 1024 if((FINAL_POS - START_POS)>1) {
Lightvalve 237:c2cfe349f5c1 1025 DZ_DIRECTION = 1;
Lightvalve 238:4e660aa77eb7 1026 } else if((FINAL_POS - START_POS)<-1) {
Lightvalve 237:c2cfe349f5c1 1027 DZ_DIRECTION = -1;
Lightvalve 237:c2cfe349f5c1 1028 } else {
Lightvalve 237:c2cfe349f5c1 1029 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 1030 }
Lightvalve 237:c2cfe349f5c1 1031 VALVE_DZ_timer = 0;
Lightvalve 237:c2cfe349f5c1 1032 DZ_index= DZ_index *2;
Lightvalve 237:c2cfe349f5c1 1033 if(DZ_index >= 128) {
Lightvalve 238:4e660aa77eb7 1034 FIRST_DZ = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 1035 DZ_NUM = 2;
Lightvalve 237:c2cfe349f5c1 1036 Ref_Valve_Pos_Old = FIRST_DZ;
Lightvalve 237:c2cfe349f5c1 1037 DZ_index = 1;
Lightvalve 237:c2cfe349f5c1 1038 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 1039 }
Lightvalve 237:c2cfe349f5c1 1040 }
Lightvalve 237:c2cfe349f5c1 1041 } else {
Lightvalve 237:c2cfe349f5c1 1042 if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1043 Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)*(float) 50.0f;
Lightvalve 237:c2cfe349f5c1 1044 } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1045 START_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 1046 } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 1047 valve_pos_raw.ref = Ref_Valve_Pos_Old + DZ_DIRECTION * 64 / DZ_index;
Lightvalve 238:4e660aa77eb7 1048 if(valve_pos_raw.ref <= VALVE_MIN_POS) {
Lightvalve 238:4e660aa77eb7 1049 valve_pos_raw.ref = VALVE_MIN_POS;
Lightvalve 238:4e660aa77eb7 1050 } else if(valve_pos_raw.ref > VALVE_MAX_POS) {
Lightvalve 238:4e660aa77eb7 1051 valve_pos_raw.ref = VALVE_MAX_POS;
Lightvalve 237:c2cfe349f5c1 1052 }
Lightvalve 238:4e660aa77eb7 1053 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 237:c2cfe349f5c1 1054
Lightvalve 237:c2cfe349f5c1 1055 } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1056 Vout.ref = 0.0f;
Lightvalve 237:c2cfe349f5c1 1057 } else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 238:4e660aa77eb7 1058 Ref_Valve_Pos_Old = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 1059 FINAL_POS = pos.sen;
Lightvalve 237:c2cfe349f5c1 1060
Lightvalve 238:4e660aa77eb7 1061 if((FINAL_POS - START_POS)>1) {
Lightvalve 237:c2cfe349f5c1 1062 DZ_DIRECTION = -1;
Lightvalve 238:4e660aa77eb7 1063 } else if((FINAL_POS - START_POS)<-1) {
Lightvalve 237:c2cfe349f5c1 1064 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 1065 } else {
Lightvalve 237:c2cfe349f5c1 1066 DZ_DIRECTION = 1;
Lightvalve 237:c2cfe349f5c1 1067 }
Lightvalve 237:c2cfe349f5c1 1068
Lightvalve 237:c2cfe349f5c1 1069 VALVE_DZ_timer = 0;
Lightvalve 237:c2cfe349f5c1 1070 DZ_index= DZ_index *2;
Lightvalve 237:c2cfe349f5c1 1071 if(DZ_index >= 128) {
Lightvalve 238:4e660aa77eb7 1072 SECOND_DZ = valve_pos_raw.ref;
Lightvalve 237:c2cfe349f5c1 1073 VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
Lightvalve 237:c2cfe349f5c1 1074 first_check = 0;
Lightvalve 237:c2cfe349f5c1 1075 VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
Lightvalve 237:c2cfe349f5c1 1076 VALVE_DEADZONE_PLUS = (float) SECOND_DZ;
Lightvalve 237:c2cfe349f5c1 1077
Lightvalve 237:c2cfe349f5c1 1078 spi_eeprom_write(RID_VALVE_CNETER, (int16_t) VALVE_CENTER);
Lightvalve 237:c2cfe349f5c1 1079 spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, (int16_t) VALVE_DEADZONE_PLUS);
Lightvalve 237:c2cfe349f5c1 1080 spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, (int16_t) VALVE_DEADZONE_MINUS);
Lightvalve 237:c2cfe349f5c1 1081
Lightvalve 237:c2cfe349f5c1 1082 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1083 DZ_index = 1;
Lightvalve 237:c2cfe349f5c1 1084 }
Lightvalve 237:c2cfe349f5c1 1085 }
Lightvalve 237:c2cfe349f5c1 1086 }
Lightvalve 237:c2cfe349f5c1 1087 }
Lightvalve 237:c2cfe349f5c1 1088 break;
Lightvalve 237:c2cfe349f5c1 1089 }
Lightvalve 238:4e660aa77eb7 1090
Lightvalve 237:c2cfe349f5c1 1091 case MODE_STEP_TEST: {
Lightvalve 237:c2cfe349f5c1 1092 float valve_pos_ref = 0.0f;
Lightvalve 237:c2cfe349f5c1 1093 if (cnt_step_test < (int) (1.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1094 valve_pos_ref = 0.0f;
Lightvalve 237:c2cfe349f5c1 1095 } else {
Lightvalve 237:c2cfe349f5c1 1096 valve_pos_ref = 10000.0f;
Lightvalve 237:c2cfe349f5c1 1097 }
Lightvalve 237:c2cfe349f5c1 1098 if(valve_pos_ref >= 0) {
Lightvalve 238:4e660aa77eb7 1099 valve_pos_raw.ref = (double)VALVE_ELECTRIC_CENTER + (double)valve_pos_ref * ((double)VALVE_MAX_POS-(double)VALVE_ELECTRIC_CENTER)/10000.0f;
Lightvalve 237:c2cfe349f5c1 1100 } else {
Lightvalve 238:4e660aa77eb7 1101 valve_pos_raw.ref = (double)VALVE_ELECTRIC_CENTER - (double)valve_pos_ref * ((double)VALVE_MIN_POS-(double)VALVE_ELECTRIC_CENTER)/10000.0f;
Lightvalve 237:c2cfe349f5c1 1102 }
Lightvalve 240:fb5b57e3f157 1103
Lightvalve 238:4e660aa77eb7 1104 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 240:fb5b57e3f157 1105
Lightvalve 237:c2cfe349f5c1 1106 ref_array[cnt_step_test] = valve_pos_ref;
Lightvalve 237:c2cfe349f5c1 1107 if(value>=(float) VALVE_ELECTRIC_CENTER) {
Lightvalve 237:c2cfe349f5c1 1108 pos_array[cnt_step_test] = 10000.0f*((double)value - (double)VALVE_ELECTRIC_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1109 } else {
Lightvalve 237:c2cfe349f5c1 1110 pos_array[cnt_step_test] = -10000.0f*((double)value - (double)VALVE_ELECTRIC_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1111 }
Lightvalve 237:c2cfe349f5c1 1112
Lightvalve 238:4e660aa77eb7 1113 CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
Lightvalve 237:c2cfe349f5c1 1114 cnt_step_test++;
Lightvalve 237:c2cfe349f5c1 1115 if (cnt_step_test > (int) (2.0f * (float) TMR_FREQ_5k)) {
Lightvalve 237:c2cfe349f5c1 1116 buffer_data_size = cnt_step_test;
Lightvalve 237:c2cfe349f5c1 1117 cnt_step_test = 0;
Lightvalve 237:c2cfe349f5c1 1118 cnt_send_buffer = 0;
Lightvalve 237:c2cfe349f5c1 1119 CONTROL_UTILITY_MODE = MODE_SEND_OVER;
Lightvalve 237:c2cfe349f5c1 1120 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1121 }
Lightvalve 237:c2cfe349f5c1 1122 // if (cnt_step_test > (int) (2.0f * (float) TMR_FREQ_5k))
Lightvalve 237:c2cfe349f5c1 1123 // {
Lightvalve 237:c2cfe349f5c1 1124 // CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1125 // CONTROL_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1126 // CAN_TX_PWM((int16_t) (1)); //1300
Lightvalve 237:c2cfe349f5c1 1127 // }
Lightvalve 237:c2cfe349f5c1 1128
Lightvalve 237:c2cfe349f5c1 1129 break;
Lightvalve 237:c2cfe349f5c1 1130 }
Lightvalve 237:c2cfe349f5c1 1131 case MODE_SEND_OVER: {
Lightvalve 237:c2cfe349f5c1 1132 CAN_TX_TORQUE((int16_t) (buffer_data_size)); //1300
Lightvalve 237:c2cfe349f5c1 1133 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1134 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1135 break;
Lightvalve 237:c2cfe349f5c1 1136 }
Lightvalve 238:4e660aa77eb7 1137
Lightvalve 237:c2cfe349f5c1 1138 case MODE_FREQ_TEST: {
Lightvalve 240:fb5b57e3f157 1139 float valve_pos_ref = 2500.0f * sin(2.0f * 3.141592f * freq_test_valve_ref * (float) cnt_freq_test * DT_TMR5);
Lightvalve 237:c2cfe349f5c1 1140 if(valve_pos_ref >= 0) {
Lightvalve 238:4e660aa77eb7 1141 valve_pos_raw.ref = (double)VALVE_ELECTRIC_CENTER + (double)valve_pos_ref * ((double)VALVE_MAX_POS-(double)VALVE_ELECTRIC_CENTER)/10000.0f;
Lightvalve 237:c2cfe349f5c1 1142 } else {
Lightvalve 238:4e660aa77eb7 1143 valve_pos_raw.ref = (double)VALVE_ELECTRIC_CENTER - (double)valve_pos_ref * ((double)VALVE_MIN_POS-(double)VALVE_ELECTRIC_CENTER)/10000.0f;
Lightvalve 237:c2cfe349f5c1 1144 }
Lightvalve 240:fb5b57e3f157 1145
Lightvalve 238:4e660aa77eb7 1146 VALVE_POS_CONTROL(valve_pos_raw.ref);
Lightvalve 240:fb5b57e3f157 1147
Lightvalve 237:c2cfe349f5c1 1148 ref_array[cnt_freq_test] = valve_pos_ref;
Lightvalve 237:c2cfe349f5c1 1149 if(value>=(float) VALVE_ELECTRIC_CENTER) {
Lightvalve 237:c2cfe349f5c1 1150 pos_array[cnt_freq_test] = 10000.0f*((double)value - (double)VALVE_ELECTRIC_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1151 } else {
Lightvalve 237:c2cfe349f5c1 1152 pos_array[cnt_freq_test] = -10000.0f*((double)value - (double)VALVE_ELECTRIC_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1153 }
Lightvalve 237:c2cfe349f5c1 1154
Lightvalve 238:4e660aa77eb7 1155 CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
Lightvalve 237:c2cfe349f5c1 1156 cnt_freq_test++;
Lightvalve 240:fb5b57e3f157 1157 if (freq_test_valve_ref * (float) cnt_freq_test * DT_TMR5 > 2) {
Lightvalve 237:c2cfe349f5c1 1158 buffer_data_size = cnt_freq_test;
Lightvalve 237:c2cfe349f5c1 1159 cnt_freq_test = 0;
Lightvalve 237:c2cfe349f5c1 1160 cnt_send_buffer = 0;
Lightvalve 237:c2cfe349f5c1 1161 freq_test_valve_ref = freq_test_valve_ref * 1.05f;
Lightvalve 237:c2cfe349f5c1 1162 if (freq_test_valve_ref >= 400) {
Lightvalve 237:c2cfe349f5c1 1163 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1164 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1165 CAN_TX_VOUT((int16_t) (1)); //1300
Lightvalve 237:c2cfe349f5c1 1166 }
Lightvalve 237:c2cfe349f5c1 1167 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 237:c2cfe349f5c1 1168 CONTROL_UTILITY_MODE = MODE_SEND_OVER;
Lightvalve 237:c2cfe349f5c1 1169
Lightvalve 237:c2cfe349f5c1 1170 }
Lightvalve 237:c2cfe349f5c1 1171 break;
Lightvalve 237:c2cfe349f5c1 1172 }
Lightvalve 237:c2cfe349f5c1 1173
Lightvalve 57:f4819de54e7a 1174 default:
Lightvalve 57:f4819de54e7a 1175 break;
Lightvalve 57:f4819de54e7a 1176 }
Lightvalve 57:f4819de54e7a 1177
Lightvalve 57:f4819de54e7a 1178 // CONTROL MODE ------------------------------------------------------------
Lightvalve 57:f4819de54e7a 1179 switch (CONTROL_MODE) {
Lightvalve 57:f4819de54e7a 1180 case MODE_NO_ACT: {
Lightvalve 57:f4819de54e7a 1181 V_out = 0.0f;
Lightvalve 57:f4819de54e7a 1182 break;
Lightvalve 57:f4819de54e7a 1183 }
Lightvalve 57:f4819de54e7a 1184
Lightvalve 57:f4819de54e7a 1185 case MODE_VALVE_POSITION_CONTROL: {
Lightvalve 67:c2812cf26c38 1186 if (OPERATING_MODE == 5) { //SW Valve
Lightvalve 238:4e660aa77eb7 1187 VALVE_POS_CONTROL_DZ(valve_pos.ref);
Lightvalve 59:f308b1656d9c 1188 V_out = Vout.ref;
Lightvalve 67:c2812cf26c38 1189 } else if (CURRENT_CONTROL_MODE == 0) { //PWM
Lightvalve 239:8ac5c6162bc1 1190 I_REF = valve_pos.ref;
Lightvalve 169:645207e160ca 1191 } else {
jobuuu 230:2c3e5ecbe7e1 1192 I_REF = valve_pos.ref * 0.001f; // Unit : pulse >> mA
jobuuu 230:2c3e5ecbe7e1 1193 float I_MAX = 10.0f; // Max : 10mA
jobuuu 230:2c3e5ecbe7e1 1194 if (I_REF > I_MAX) {
jobuuu 230:2c3e5ecbe7e1 1195 I_REF = I_MAX;
jobuuu 230:2c3e5ecbe7e1 1196 } else if (I_REF < -I_MAX) {
jobuuu 230:2c3e5ecbe7e1 1197 I_REF = -I_MAX;
jobuuu 230:2c3e5ecbe7e1 1198 }
Lightvalve 57:f4819de54e7a 1199 }
Lightvalve 57:f4819de54e7a 1200 break;
Lightvalve 57:f4819de54e7a 1201 }
Lightvalve 57:f4819de54e7a 1202
Lightvalve 235:c831718303c9 1203 case MODE_JOINT_CONTROL: {
Lightvalve 57:f4819de54e7a 1204
jobuuu 230:2c3e5ecbe7e1 1205 float temp_vel_pos = 0.0f; // desired velocity for position control
Lightvalve 235:c831718303c9 1206 float temp_vel_FT = 0.0f; // desired velocity for force/torque control
Lightvalve 235:c831718303c9 1207 float temp_vel_ff = 0.0f; // desired velocity for feedforward control
jobuuu 230:2c3e5ecbe7e1 1208 float temp_vel = 0.0f;
Lightvalve 58:2eade98630e2 1209
jobuuu 230:2c3e5ecbe7e1 1210 float wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control
Lightvalve 235:c831718303c9 1211
jobuuu 230:2c3e5ecbe7e1 1212 pos.err = pos.ref - pos.sen; // Unit : mm or deg
jobuuu 230:2c3e5ecbe7e1 1213 vel.err = vel.ref - vel.sen; // Unit : mm/s or deg/s
Lightvalve 235:c831718303c9 1214
jobuuu 230:2c3e5ecbe7e1 1215 // position control command ===============================================================================================================================================
Lightvalve 238:4e660aa77eb7 1216 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
Lightvalve 235:c831718303c9 1217 temp_vel_pos = 0.1f * (P_GAIN_JOINT_POSITION * wn_Pos * pos.err) * PI / 180.0f; // rad/s
Lightvalve 235:c831718303c9 1218 // L when P-gain = 100, f_cut = 10Hz
jobuuu 230:2c3e5ecbe7e1 1219 } else {
Lightvalve 235:c831718303c9 1220 temp_vel_pos = 0.1f * (P_GAIN_JOINT_POSITION * wn_Pos * pos.err); // mm/s
Lightvalve 235:c831718303c9 1221 // L when P-gain = 100, f_cut = 10Hz
jobuuu 230:2c3e5ecbe7e1 1222 }
Lightvalve 57:f4819de54e7a 1223
jobuuu 230:2c3e5ecbe7e1 1224 // torque control command ===============================================================================================================================================
jobuuu 230:2c3e5ecbe7e1 1225 float alpha_SpringDamper = 1.0f/(1.0f+TMR_FREQ_5k/(2.0f*PI*30.0f));
Lightvalve 238:4e660aa77eb7 1226 K_LPF = (1.0f-alpha_SpringDamper) * K_LPF + alpha_SpringDamper * K_SPRING;
Lightvalve 238:4e660aa77eb7 1227 D_LPF = (1.0f-alpha_SpringDamper) * D_LPF + alpha_SpringDamper * D_DAMPER;
Lightvalve 235:c831718303c9 1228
Lightvalve 238:4e660aa77eb7 1229 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
Lightvalve 238:4e660aa77eb7 1230 float torq_ref_act = torq.ref + K_LPF * pos.err + D_LPF * vel.err; // unit : Nm
jobuuu 230:2c3e5ecbe7e1 1231 torq.err = torq_ref_act - torq.sen;
jobuuu 230:2c3e5ecbe7e1 1232 torq.err_int += torq.err/((float)TMR_FREQ_5k);
Lightvalve 235:c831718303c9 1233 temp_vel_FT = 0.001f * (P_GAIN_JOINT_TORQUE * torq.err + I_GAIN_JOINT_TORQUE * torq.err_int); // Nm >> rad/s
Lightvalve 57:f4819de54e7a 1234 } else {
Lightvalve 238:4e660aa77eb7 1235 float force_ref_act = force.ref + K_LPF * pos.err + D_LPF * vel.err; // unit : N
Lightvalve 239:8ac5c6162bc1 1236 //////////////////////////////////////////////////force_reference_filter////////////////////////////////////////////////////////////////////
Lightvalve 240:fb5b57e3f157 1237 // float alpha_torque_ref = 1.0f/(1.0f+TMR_FREQ_5k/(2.0f*PI*1.0f));
Lightvalve 240:fb5b57e3f157 1238 // force_ref_filter = (1.0f-alpha_torque_ref) * force_ref_filter + alpha_torque_ref * force_ref_act;
Lightvalve 239:8ac5c6162bc1 1239 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Lightvalve 240:fb5b57e3f157 1240 force_ref_act_can = force_ref_act;
Lightvalve 240:fb5b57e3f157 1241 force.err = force_ref_act - force.sen;
jobuuu 230:2c3e5ecbe7e1 1242 force.err_int += force.err/((float)TMR_FREQ_5k);
Lightvalve 235:c831718303c9 1243 temp_vel_FT = 0.001f * (P_GAIN_JOINT_TORQUE * force.err + I_GAIN_JOINT_TORQUE * force.err_int); // N >> mm/s
jobuuu 230:2c3e5ecbe7e1 1244 }
Lightvalve 235:c831718303c9 1245
Lightvalve 235:c831718303c9 1246
Lightvalve 235:c831718303c9 1247 // velocity feedforward command ========================================================================================================================================
Lightvalve 238:4e660aa77eb7 1248 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
jobuuu 230:2c3e5ecbe7e1 1249 temp_vel_ff = 0.01f * (float)VELOCITY_COMP_GAIN * vel.ref * PI / 180.0f; // rad/s
jobuuu 230:2c3e5ecbe7e1 1250 } else {
jobuuu 230:2c3e5ecbe7e1 1251 temp_vel_ff = 0.01f * (float)VELOCITY_COMP_GAIN * vel.ref; // mm/s
jobuuu 230:2c3e5ecbe7e1 1252 }
Lightvalve 169:645207e160ca 1253
Lightvalve 235:c831718303c9 1254 // command integration =================================================================================================================================================
jobuuu 230:2c3e5ecbe7e1 1255 temp_vel = (1.0f - alpha_trans) * temp_vel_pos + alpha_trans * temp_vel_FT + temp_vel_ff; // Position Control + Torque Control + Velocity Feedforward
Lightvalve 237:c2cfe349f5c1 1256
Lightvalve 235:c831718303c9 1257 float Qact = 0.0f; // required flow rate
Lightvalve 237:c2cfe349f5c1 1258 float valve_pos_pulse = 0.0f;
jobuuu 230:2c3e5ecbe7e1 1259 if( temp_vel > 0.0f ) {
jobuuu 230:2c3e5ecbe7e1 1260 Qact = temp_vel * ((float)PISTON_AREA_A * 0.00006f); // mm^3/sec >> LPM
Lightvalve 237:c2cfe349f5c1 1261 if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
Lightvalve 237:c2cfe349f5c1 1262 I_REF = tanh_inv(Qact/(K_v * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f))))/C_d;
Lightvalve 238:4e660aa77eb7 1263 // I_REF = Qact*2.0f;
Lightvalve 237:c2cfe349f5c1 1264 } else { // SW valve
Lightvalve 237:c2cfe349f5c1 1265 valve_pos_pulse = Qact / (C_d * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f)));
Lightvalve 237:c2cfe349f5c1 1266 }
jobuuu 230:2c3e5ecbe7e1 1267 } else {
jobuuu 230:2c3e5ecbe7e1 1268 Qact = temp_vel * ((float)PISTON_AREA_B * 0.00006f); // mm^3/sec >> LPM
Lightvalve 237:c2cfe349f5c1 1269 if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
Lightvalve 237:c2cfe349f5c1 1270 I_REF = tanh_inv(Qact/(K_v * sqrt(PRES_SUPPLY / (alpha3 + 1.0f))))/C_d;
Lightvalve 238:4e660aa77eb7 1271 // I_REF = Qact*2.0f;
Lightvalve 237:c2cfe349f5c1 1272 } else { // SW valve
Lightvalve 237:c2cfe349f5c1 1273 valve_pos_pulse = Qact / (C_d * sqrt(PRES_SUPPLY / (alpha3 + 1.0f)));
Lightvalve 237:c2cfe349f5c1 1274 }
jobuuu 230:2c3e5ecbe7e1 1275 }
Lightvalve 237:c2cfe349f5c1 1276
Lightvalve 237:c2cfe349f5c1 1277
Lightvalve 237:c2cfe349f5c1 1278
Lightvalve 237:c2cfe349f5c1 1279
Lightvalve 237:c2cfe349f5c1 1280 if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
Lightvalve 237:c2cfe349f5c1 1281
Lightvalve 237:c2cfe349f5c1 1282 float I_MAX = 10.0f; // Maximum Current : 10mA
Lightvalve 237:c2cfe349f5c1 1283 // Anti-windup for FT
Lightvalve 237:c2cfe349f5c1 1284 // if (I_GAIN_JOINT_TORQUE != 0.0f) {
Lightvalve 237:c2cfe349f5c1 1285 if (I_GAIN_JOINT_TORQUE > 0.001f) {
Lightvalve 237:c2cfe349f5c1 1286 float Ka = 2.0f;
Lightvalve 237:c2cfe349f5c1 1287 if (I_REF > I_MAX) {
Lightvalve 237:c2cfe349f5c1 1288 float I_rem = I_REF - I_MAX;
Lightvalve 237:c2cfe349f5c1 1289 I_REF = I_MAX;
Lightvalve 237:c2cfe349f5c1 1290 float temp_vel_rem = K_v * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f)) * tanh(C_d*I_rem) / ((double) PISTON_AREA_A * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 237:c2cfe349f5c1 1291 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
Lightvalve 237:c2cfe349f5c1 1292 } else if (I_REF < -I_MAX) {
Lightvalve 237:c2cfe349f5c1 1293 double I_rem = I_REF - (-I_MAX);
Lightvalve 237:c2cfe349f5c1 1294 I_REF = -I_MAX;
Lightvalve 237:c2cfe349f5c1 1295 float temp_vel_rem = K_v * sqrt(PRES_SUPPLY / (alpha3 + 1.0f)) * tanh(C_d*I_rem) / ((double) PISTON_AREA_B * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 237:c2cfe349f5c1 1296 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
Lightvalve 237:c2cfe349f5c1 1297 }
Lightvalve 237:c2cfe349f5c1 1298 } else {
Lightvalve 237:c2cfe349f5c1 1299 if(I_REF > I_MAX) {
Lightvalve 237:c2cfe349f5c1 1300 I_REF = I_MAX;
Lightvalve 237:c2cfe349f5c1 1301 } else if (I_REF < -I_MAX) {
Lightvalve 237:c2cfe349f5c1 1302 I_REF = -I_MAX;
Lightvalve 237:c2cfe349f5c1 1303 }
Lightvalve 57:f4819de54e7a 1304 }
Lightvalve 237:c2cfe349f5c1 1305 } else { //SW valve
Lightvalve 237:c2cfe349f5c1 1306 float Valve_pos_MAX = 10000.0f; // Maximum Valve Pos : 10000
Lightvalve 237:c2cfe349f5c1 1307 // Anti-windup for FT
Lightvalve 237:c2cfe349f5c1 1308 // if (I_GAIN_JOINT_TORQUE != 0.0f) {
Lightvalve 237:c2cfe349f5c1 1309 if (I_GAIN_JOINT_TORQUE > 0.001f) {
Lightvalve 237:c2cfe349f5c1 1310 float Ka = 2.0f;
Lightvalve 237:c2cfe349f5c1 1311 if (valve_pos_pulse > Valve_pos_MAX) {
Lightvalve 237:c2cfe349f5c1 1312 float valve_pos_rem = valve_pos_pulse - Valve_pos_MAX;
Lightvalve 237:c2cfe349f5c1 1313 valve_pos_pulse = Valve_pos_MAX;
Lightvalve 237:c2cfe349f5c1 1314 float temp_vel_rem = C_d * valve_pos_rem * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f)) / ((double) PISTON_AREA_A * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 237:c2cfe349f5c1 1315 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
Lightvalve 237:c2cfe349f5c1 1316 } else if (valve_pos_pulse < -Valve_pos_MAX) {
Lightvalve 237:c2cfe349f5c1 1317 double valve_pos_rem = valve_pos_pulse - (-Valve_pos_MAX);
Lightvalve 237:c2cfe349f5c1 1318 valve_pos_pulse = -Valve_pos_MAX;
Lightvalve 237:c2cfe349f5c1 1319 float temp_vel_rem = C_d * valve_pos_rem * sqrt(PRES_SUPPLY / (alpha3 + 1.0f)) / ((double) PISTON_AREA_B * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 237:c2cfe349f5c1 1320 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
Lightvalve 237:c2cfe349f5c1 1321 }
Lightvalve 237:c2cfe349f5c1 1322 } else {
Lightvalve 237:c2cfe349f5c1 1323 if(valve_pos_pulse > 10000.0f) {
Lightvalve 237:c2cfe349f5c1 1324 valve_pos_pulse = 10000.0f;
Lightvalve 237:c2cfe349f5c1 1325 } else if(valve_pos_pulse < -10000.0f) {
Lightvalve 237:c2cfe349f5c1 1326 valve_pos_pulse = -10000.0f;
Lightvalve 237:c2cfe349f5c1 1327 }
Lightvalve 235:c831718303c9 1328 }
Lightvalve 238:4e660aa77eb7 1329 // if (valve_pos_pulse >= 0) {
Lightvalve 238:4e660aa77eb7 1330 // valve_pos.ref = valve_pos_pulse/10000.0f * (VALVE_MAX_POS-VALVE_DEADZONE_PLUS) + VALVE_DEADZONE_PLUS;
Lightvalve 238:4e660aa77eb7 1331 // } else {
Lightvalve 238:4e660aa77eb7 1332 // valve_pos.ref = -valve_pos_pulse/10000.0f * (VALVE_MIN_POS-VALVE_DEADZONE_MINUS) + VALVE_DEADZONE_MINUS;
Lightvalve 238:4e660aa77eb7 1333 // }
Lightvalve 238:4e660aa77eb7 1334 VALVE_POS_CONTROL_DZ(valve_pos_pulse);
Lightvalve 240:fb5b57e3f157 1335 valve_pos_pulse_can = valve_pos_pulse;
Lightvalve 237:c2cfe349f5c1 1336 V_out = Vout.ref;
Lightvalve 57:f4819de54e7a 1337 }
Lightvalve 57:f4819de54e7a 1338 break;
Lightvalve 57:f4819de54e7a 1339 }
Lightvalve 58:2eade98630e2 1340
Lightvalve 57:f4819de54e7a 1341 case MODE_VALVE_OPEN_LOOP: {
Lightvalve 57:f4819de54e7a 1342 V_out = (float) Vout.ref;
Lightvalve 57:f4819de54e7a 1343 break;
Lightvalve 57:f4819de54e7a 1344 }
Lightvalve 169:645207e160ca 1345
jobuuu 230:2c3e5ecbe7e1 1346 // case MODE_JOINT_ADAPTIVE_BACKSTEPPING: {
jobuuu 230:2c3e5ecbe7e1 1347 //
jobuuu 230:2c3e5ecbe7e1 1348 // float Va = (1256.6f + Amm * pos.sen/(float)(ENC_PULSE_PER_POSITION)) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * x, unit : m^3
jobuuu 230:2c3e5ecbe7e1 1349 // float Vb = (1256.6f + Amm * (79.0f - pos.sen/(float)(ENC_PULSE_PER_POSITION))) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * (79.0mm-x), unit : m^3
jobuuu 230:2c3e5ecbe7e1 1350 //
jobuuu 230:2c3e5ecbe7e1 1351 // V_adapt = 1.0f / (1.0f/Va + 1.0f/Vb); //initial 0.0000053f
jobuuu 230:2c3e5ecbe7e1 1352 //
jobuuu 230:2c3e5ecbe7e1 1353 // //float f3 = -Amm*Amm*beta*0.000001f*0.000001f/V_adapt * vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f; // unit : N/s //xdot=10mm/s일때 -137076
jobuuu 230:2c3e5ecbe7e1 1354 // float f3_hat = -a_hat * vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f; // unit : N/s //xdot=10mm/s일때 -137076
jobuuu 230:2c3e5ecbe7e1 1355 //
jobuuu 230:2c3e5ecbe7e1 1356 // float g3_prime = 0.0f;
jobuuu 230:2c3e5ecbe7e1 1357 // if (torq.sen > Amm*(Ps-Pt)*0.000001f) {
jobuuu 230:2c3e5ecbe7e1 1358 // g3_prime = 1.0f;
jobuuu 230:2c3e5ecbe7e1 1359 // } else if (torq.sen < -Amm*(Ps-Pt)*0.000001f) {
jobuuu 230:2c3e5ecbe7e1 1360 // g3_prime = -1.0f;
jobuuu 230:2c3e5ecbe7e1 1361 // } else {
jobuuu 230:2c3e5ecbe7e1 1362 // if ((value-VALVE_CENTER) > 0) {
jobuuu 230:2c3e5ecbe7e1 1363 // g3_prime = sqrt(Ps-Pt-torq.sen/Amm*1000000.0f);
jobuuu 230:2c3e5ecbe7e1 1364 //// g3_prime = sqrt(Ps-Pt);
jobuuu 230:2c3e5ecbe7e1 1365 // } else {
jobuuu 230:2c3e5ecbe7e1 1366 // g3_prime = sqrt(Ps-Pt+torq.sen/Amm*1000000.0f);
jobuuu 230:2c3e5ecbe7e1 1367 //// g3_prime = sqrt(Ps-Pt);
jobuuu 230:2c3e5ecbe7e1 1368 // }
jobuuu 230:2c3e5ecbe7e1 1369 // }
jobuuu 230:2c3e5ecbe7e1 1370 // float tau = 0.01f;
jobuuu 230:2c3e5ecbe7e1 1371 // float K_valve = 0.0004f;
jobuuu 230:2c3e5ecbe7e1 1372 //
jobuuu 230:2c3e5ecbe7e1 1373 // float x_v = 0.0f; //x_v : -1~1
jobuuu 230:2c3e5ecbe7e1 1374 // if(value>=VALVE_CENTER) {
jobuuu 230:2c3e5ecbe7e1 1375 // x_v = 1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
jobuuu 230:2c3e5ecbe7e1 1376 // } else {
jobuuu 230:2c3e5ecbe7e1 1377 // x_v = -1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
jobuuu 230:2c3e5ecbe7e1 1378 // }
jobuuu 230:2c3e5ecbe7e1 1379 // float f4 = -x_v/tau;
jobuuu 230:2c3e5ecbe7e1 1380 // float g4 = K_valve/tau;
jobuuu 230:2c3e5ecbe7e1 1381 //
jobuuu 230:2c3e5ecbe7e1 1382 // float torq_ref_dot = torq.ref_diff * 500.0f;
jobuuu 230:2c3e5ecbe7e1 1383 //
jobuuu 230:2c3e5ecbe7e1 1384 // pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
jobuuu 230:2c3e5ecbe7e1 1385 // vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
jobuuu 230:2c3e5ecbe7e1 1386 // pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
jobuuu 230:2c3e5ecbe7e1 1387 //
jobuuu 230:2c3e5ecbe7e1 1388 // torq.err = torq.ref - torq.sen; //[N]
jobuuu 230:2c3e5ecbe7e1 1389 // torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]
jobuuu 230:2c3e5ecbe7e1 1390 //
jobuuu 230:2c3e5ecbe7e1 1391 // float k3 = 2000.0f; //2000 //20000
jobuuu 230:2c3e5ecbe7e1 1392 // float k4 = 10.0f;
jobuuu 230:2c3e5ecbe7e1 1393 // float rho3 = 3.2f;
jobuuu 230:2c3e5ecbe7e1 1394 // float rho4 = 10000000.0f; //25000000.0f;
jobuuu 230:2c3e5ecbe7e1 1395 // float x_4_des = (-f3_hat + torq_ref_dot - k3*(-torq.err))/(gamma_hat*g3_prime);
jobuuu 230:2c3e5ecbe7e1 1396 // if (x_4_des > 1) x_4_des = 1;
jobuuu 230:2c3e5ecbe7e1 1397 // else if (x_4_des < -1) x_4_des = -1;
jobuuu 230:2c3e5ecbe7e1 1398 //
jobuuu 230:2c3e5ecbe7e1 1399 // if (x_4_des > 0) {
jobuuu 230:2c3e5ecbe7e1 1400 // valve_pos.ref = x_4_des * (float)(VALVE_MAX_POS - VALVE_CENTER) + (float) VALVE_CENTER;
jobuuu 230:2c3e5ecbe7e1 1401 // } else {
jobuuu 230:2c3e5ecbe7e1 1402 // valve_pos.ref = x_4_des * (float)(VALVE_CENTER - VALVE_MIN_POS) + (float) VALVE_CENTER;
jobuuu 230:2c3e5ecbe7e1 1403 // }
jobuuu 230:2c3e5ecbe7e1 1404 //
jobuuu 230:2c3e5ecbe7e1 1405 // float x_4_des_dot = (x_4_des - x_4_des_old)*(float) TMR_FREQ_5k;
jobuuu 230:2c3e5ecbe7e1 1406 // x_4_des_old = x_4_des;
jobuuu 230:2c3e5ecbe7e1 1407 // V_out = (-f4 + x_4_des_dot - k4*(x_v-x_4_des)- rho3/rho4*gamma_hat*g3_prime*(-torq.err))/g4;
jobuuu 230:2c3e5ecbe7e1 1408 //
jobuuu 230:2c3e5ecbe7e1 1409 // float rho_a = 0.00001f;
jobuuu 230:2c3e5ecbe7e1 1410 // float a_hat_dot = -rho3/rho_a*vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f*(-torq.err);
jobuuu 230:2c3e5ecbe7e1 1411 // a_hat = a_hat + a_hat_dot / (float) TMR_FREQ_5k;
jobuuu 230:2c3e5ecbe7e1 1412 //
jobuuu 230:2c3e5ecbe7e1 1413 // if(a_hat > -3000000.0f) a_hat = -3000000.0f;
jobuuu 230:2c3e5ecbe7e1 1414 // else if(a_hat < -30000000.0f) a_hat = -30000000.0f;
jobuuu 230:2c3e5ecbe7e1 1415 //
jobuuu 230:2c3e5ecbe7e1 1416 // break;
jobuuu 230:2c3e5ecbe7e1 1417 // }
Lightvalve 171:bfc1fd2629d8 1418
Lightvalve 12:6f2531038ea4 1419 default:
Lightvalve 12:6f2531038ea4 1420 break;
Lightvalve 12:6f2531038ea4 1421 }
Lightvalve 14:8e7590227d22 1422
Lightvalve 57:f4819de54e7a 1423
Lightvalve 57:f4819de54e7a 1424 if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
Lightvalve 58:2eade98630e2 1425
Lightvalve 57:f4819de54e7a 1426 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 1427 //////////////////////////// CURRENT CONTROL //////////////////////////////
Lightvalve 57:f4819de54e7a 1428 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 1429 if (CURRENT_CONTROL_MODE) {
Lightvalve 67:c2812cf26c38 1430 double alpha_update_Iref = 1.0f / (1.0f + 5000.0f / (2.0f * 3.14f * 300.0f)); // f_cutoff : 500Hz
Lightvalve 57:f4819de54e7a 1431 I_REF_fil = (1.0f - alpha_update_Iref) * I_REF_fil + alpha_update_Iref*I_REF;
Lightvalve 57:f4819de54e7a 1432
jobuuu 230:2c3e5ecbe7e1 1433 if (I_REF_fil > 0.0f) I_REF_fil_DZ = I_REF_fil + (double)VALVE_DEADZONE_PLUS*mA_PER_pulse; // unit: mA
jobuuu 230:2c3e5ecbe7e1 1434 else if (I_REF_fil < 0.0f) I_REF_fil_DZ = I_REF_fil + (double)VALVE_DEADZONE_MINUS*mA_PER_pulse; // unit: mA
jobuuu 230:2c3e5ecbe7e1 1435 else I_REF_fil_DZ = I_REF_fil + (double)(VALVE_DEADZONE_PLUS+VALVE_DEADZONE_MINUS)/2.0f*mA_PER_pulse; // unit: mA
Lightvalve 235:c831718303c9 1436
hyhoon 226:82a3ca333004 1437 I_ERR = I_REF_fil_DZ - (double)cur.sen;
Lightvalve 67:c2812cf26c38 1438 I_ERR_INT = I_ERR_INT + (I_ERR) * 0.0002f;
Lightvalve 57:f4819de54e7a 1439
Lightvalve 57:f4819de54e7a 1440
Lightvalve 57:f4819de54e7a 1441 // Moog Valve Current Control Gain
Lightvalve 67:c2812cf26c38 1442 double R_model = 500.0f; // ohm
Lightvalve 57:f4819de54e7a 1443 double L_model = 1.2f;
Lightvalve 239:8ac5c6162bc1 1444 double w0 = 2.0f * 3.14f * 100.0f;
Lightvalve 57:f4819de54e7a 1445 double KP_I = 0.1f * L_model*w0;
Lightvalve 57:f4819de54e7a 1446 double KI_I = 0.1f * R_model*w0;
Lightvalve 57:f4819de54e7a 1447
Lightvalve 57:f4819de54e7a 1448 // KNR Valve Current Control Gain
Lightvalve 57:f4819de54e7a 1449 if (((OPERATING_MODE & 0b110)>>1) == 1) { // KNR Valve
Lightvalve 57:f4819de54e7a 1450 R_model = 163.0f; // ohm
Lightvalve 57:f4819de54e7a 1451 L_model = 1.0f;
Lightvalve 57:f4819de54e7a 1452 w0 = 2.0f * 3.14f * 80.0f;
Lightvalve 57:f4819de54e7a 1453 KP_I = 1.0f * L_model*w0;
Lightvalve 57:f4819de54e7a 1454 KI_I = 0.08f * R_model*w0;
Lightvalve 57:f4819de54e7a 1455 }
Lightvalve 57:f4819de54e7a 1456
Lightvalve 57:f4819de54e7a 1457 double FF_gain = 1.0f;
Lightvalve 57:f4819de54e7a 1458
Lightvalve 67:c2812cf26c38 1459 VALVE_PWM_RAW = KP_I * 2.0f * I_ERR + KI_I * 2.0f* I_ERR_INT;
hyhoon 226:82a3ca333004 1460 I_REF_fil_diff = I_REF_fil_DZ - I_REF_fil_old;
hyhoon 226:82a3ca333004 1461 I_REF_fil_old = I_REF_fil_DZ;
Lightvalve 67:c2812cf26c38 1462 // VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil + L_model * I_REF_fil_diff * 5000.0f); // Unit : mV
hyhoon 226:82a3ca333004 1463 VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil_DZ); // Unit : mV
Lightvalve 238:4e660aa77eb7 1464 double V_MAX = VALVE_VOLTAGE_LIMIT*1000.0f; // Maximum Voltage : 12V = 12000mV
Lightvalve 57:f4819de54e7a 1465
Lightvalve 57:f4819de54e7a 1466 double Ka = 3.0f / KP_I;
Lightvalve 57:f4819de54e7a 1467 if (VALVE_PWM_RAW > V_MAX) {
Lightvalve 57:f4819de54e7a 1468 V_rem = VALVE_PWM_RAW - V_MAX;
Lightvalve 57:f4819de54e7a 1469 V_rem = Ka*V_rem;
Lightvalve 57:f4819de54e7a 1470 VALVE_PWM_RAW = V_MAX;
Lightvalve 234:bd00f763acb1 1471 // I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
Lightvalve 234:bd00f763acb1 1472 I_ERR_INT = I_ERR_INT - V_rem;
Lightvalve 57:f4819de54e7a 1473 } else if (VALVE_PWM_RAW < -V_MAX) {
Lightvalve 57:f4819de54e7a 1474 V_rem = VALVE_PWM_RAW - (-V_MAX);
Lightvalve 57:f4819de54e7a 1475 V_rem = Ka*V_rem;
Lightvalve 57:f4819de54e7a 1476 VALVE_PWM_RAW = -V_MAX;
Lightvalve 234:bd00f763acb1 1477 // I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
Lightvalve 234:bd00f763acb1 1478 I_ERR_INT = I_ERR_INT - V_rem;
Lightvalve 57:f4819de54e7a 1479 }
Lightvalve 57:f4819de54e7a 1480 } else {
Lightvalve 57:f4819de54e7a 1481 VALVE_PWM_RAW = I_REF * mV_PER_mA;
Lightvalve 57:f4819de54e7a 1482 }
Lightvalve 57:f4819de54e7a 1483
Lightvalve 57:f4819de54e7a 1484 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 1485 ///////////////// Dead Zone Cancellation & Linearization //////////////////
Lightvalve 57:f4819de54e7a 1486 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 1487
Lightvalve 57:f4819de54e7a 1488 // Output Voltage Linearization
hyhoon 226:82a3ca333004 1489 double CUR_PWM_nonlin = (double)VALVE_PWM_RAW; // Unit : mV
Lightvalve 67:c2812cf26c38 1490 double CUR_PWM_lin = PWM_duty_byLT(CUR_PWM_nonlin); // -8000~8000
Lightvalve 57:f4819de54e7a 1491
Lightvalve 57:f4819de54e7a 1492 // Dead Zone Cancellation (Electrical dead-zone)
Lightvalve 67:c2812cf26c38 1493 if (CUR_PWM_lin > 0) V_out = (float) (CUR_PWM_lin + 169.0f);
Lightvalve 67:c2812cf26c38 1494 else if (CUR_PWM_lin < 0) V_out = (float) (CUR_PWM_lin - 174.0f);
Lightvalve 67:c2812cf26c38 1495 else V_out = (float) (CUR_PWM_lin);
Lightvalve 235:c831718303c9 1496
Lightvalve 169:645207e160ca 1497 } else { //////////////////////////sw valve
Lightvalve 224:985dba42f261 1498 // Output Voltage Linearization & Dead Zone Cancellation (Electrical dead-zone) by SW
Lightvalve 135:79885a39c161 1499 if (V_out > 0 ) V_out = (V_out + 180.0f)/0.8588f;
Lightvalve 135:79885a39c161 1500 else if (V_out < 0) V_out = (V_out - 200.0f)/0.8651f;
Lightvalve 135:79885a39c161 1501 else V_out = 0.0f;
Lightvalve 89:a7b45368ea0f 1502 }
Lightvalve 169:645207e160ca 1503
jobuuu 230:2c3e5ecbe7e1 1504 ////////////////////////////////////////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 1505 /////////////////// PWM Command ///////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 1506 ////////////////////////////////////////////////////////////////////
Lightvalve 169:645207e160ca 1507 if(DIR_VALVE<0) {
Lightvalve 67:c2812cf26c38 1508 V_out = -V_out;
Lightvalve 67:c2812cf26c38 1509 }
Lightvalve 169:645207e160ca 1510
Lightvalve 49:e7bcfc244d40 1511 if (V_out >= VALVE_VOLTAGE_LIMIT*1000.0f) {
Lightvalve 49:e7bcfc244d40 1512 V_out = VALVE_VOLTAGE_LIMIT*1000.0f;
Lightvalve 49:e7bcfc244d40 1513 } else if(V_out<=-VALVE_VOLTAGE_LIMIT*1000.0f) {
Lightvalve 49:e7bcfc244d40 1514 V_out = -VALVE_VOLTAGE_LIMIT*1000.0f;
Lightvalve 27:a2254a485f23 1515 }
Lightvalve 224:985dba42f261 1516 PWM_out= V_out/(SUPPLY_VOLTAGE*1000.0f);
Lightvalve 13:747daba9cf59 1517
Lightvalve 224:985dba42f261 1518 // Saturation of output voltage
Lightvalve 30:8d561f16383b 1519 if(PWM_out > 1.0f) PWM_out=1.0f;
Lightvalve 30:8d561f16383b 1520 else if (PWM_out < -1.0f) PWM_out=-1.0f;
Lightvalve 13:747daba9cf59 1521
Lightvalve 30:8d561f16383b 1522 if (PWM_out>0.0f) {
Lightvalve 30:8d561f16383b 1523 dtc_v=0.0f;
jobuuu 1:e04e563be5ce 1524 dtc_w=PWM_out;
jobuuu 1:e04e563be5ce 1525 } else {
jobuuu 2:a1c0a37df760 1526 dtc_v=-PWM_out;
Lightvalve 30:8d561f16383b 1527 dtc_w=0.0f;
jobuuu 1:e04e563be5ce 1528 }
Lightvalve 13:747daba9cf59 1529
jobuuu 1:e04e563be5ce 1530 //pwm
Lightvalve 30:8d561f16383b 1531 TIM4->CCR2 = (PWM_ARR)*(1.0f-dtc_v);
Lightvalve 30:8d561f16383b 1532 TIM4->CCR1 = (PWM_ARR)*(1.0f-dtc_w);
Lightvalve 67:c2812cf26c38 1533
jobuuu 230:2c3e5ecbe7e1 1534 ////////////////////////////////////////////////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 1535 ////////////////////// Data transmission through CAN //////////////////////
Lightvalve 235:c831718303c9 1536 ////////////////////////////////////////////////////////////////////////////
Lightvalve 235:c831718303c9 1537
Lightvalve 242:b235d67d25ba 1538 if (TMR2_COUNT_CAN_TX % (int) ((int) TMR_FREQ_5k/CAN_FREQ) == 0) {
Lightvalve 242:b235d67d25ba 1539
Lightvalve 235:c831718303c9 1540
hyhoon 226:82a3ca333004 1541 // Position, Velocity, and Torque (ID:1200)
Lightvalve 241:27eca07c9591 1542 // if (flag_data_request[0] == LOW) {
Lightvalve 237:c2cfe349f5c1 1543
Lightvalve 241:27eca07c9591 1544 // if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
Lightvalve 241:27eca07c9591 1545 // CAN_TX_POSITION_FT((int16_t) (pos.sen*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (torq.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 235:c831718303c9 1546 // CAN_TX_POSITION_FT((int16_t) (PRES_B_VREF*10.0f*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (pres_B.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 235:c831718303c9 1547
Lightvalve 241:27eca07c9591 1548 // } else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
Lightvalve 241:27eca07c9591 1549 // CAN_TX_POSITION_FT((int16_t) (pos.sen*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (force.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 242:b235d67d25ba 1550 CAN_TX_POSITION_FT((int16_t) (7.0f*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (valve_pos.sen));
Lightvalve 241:27eca07c9591 1551 // }
Lightvalve 241:27eca07c9591 1552 // }
hyhoon 226:82a3ca333004 1553
jobuuu 230:2c3e5ecbe7e1 1554 // Valve Position (ID:1300)
Lightvalve 56:6f50d9d3bfee 1555 if (flag_data_request[1] == HIGH) {
Lightvalve 239:8ac5c6162bc1 1556 CAN_TX_PWM((int16_t)(cur.sen/mA_PER_pulse));
Lightvalve 240:fb5b57e3f157 1557 // CAN_TX_PWM((int16_t)(TORQUE_SENSOR_PULSE_PER_TORQUE*10000.0f));
Lightvalve 54:647072f5307a 1558 }
Lightvalve 58:2eade98630e2 1559
jobuuu 230:2c3e5ecbe7e1 1560 // Others : Pressure A, B, Supply Pressure, etc. (for Debugging) (ID:1400)
Lightvalve 171:bfc1fd2629d8 1561 if (flag_data_request[2] == HIGH) {
Lightvalve 237:c2cfe349f5c1 1562 float valve_pos_can = 0.0f;
Lightvalve 237:c2cfe349f5c1 1563 if(value >= VALVE_ELECTRIC_CENTER) {
Lightvalve 237:c2cfe349f5c1 1564 valve_pos_can = 10000.0f*((float)value-(float)VALVE_ELECTRIC_CENTER)/((float)VALVE_MAX_POS-(float)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1565 } else {
Lightvalve 237:c2cfe349f5c1 1566 valve_pos_can = -10000.0f*((float)value -(float)VALVE_ELECTRIC_CENTER)/((float)VALVE_MIN_POS-(float)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1567 }
Lightvalve 237:c2cfe349f5c1 1568 float valve_pos_ref_can = 0.0f;
Lightvalve 237:c2cfe349f5c1 1569 if(valve_pos.ref >= VALVE_ELECTRIC_CENTER) {
Lightvalve 237:c2cfe349f5c1 1570 valve_pos_ref_can = 10000.0f*((float)valve_pos.ref-(float)VALVE_ELECTRIC_CENTER)/((float)VALVE_MAX_POS-(float)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1571 } else {
Lightvalve 237:c2cfe349f5c1 1572 valve_pos_ref_can = -10000.0f*((float)valve_pos.ref -(float)VALVE_ELECTRIC_CENTER)/((float)VALVE_MIN_POS-(float)VALVE_ELECTRIC_CENTER);
Lightvalve 237:c2cfe349f5c1 1573 }
Lightvalve 238:4e660aa77eb7 1574
Lightvalve 238:4e660aa77eb7 1575 valve_pos_ref_can = (float)valve_pos.ref;
Lightvalve 238:4e660aa77eb7 1576
Lightvalve 240:fb5b57e3f157 1577 CAN_TX_CURRENT((int16_t) valve_pos_can, (int16_t) valve_pos_pulse_can);
Lightvalve 54:647072f5307a 1578 }
Lightvalve 20:806196fda269 1579
Lightvalve 54:647072f5307a 1580 TMR2_COUNT_CAN_TX = 0;
Lightvalve 54:647072f5307a 1581 }
Lightvalve 54:647072f5307a 1582 TMR2_COUNT_CAN_TX++;
Lightvalve 52:8ea76864368a 1583
Lightvalve 20:806196fda269 1584 }
Lightvalve 240:fb5b57e3f157 1585 TIM2->SR = 0x0; // reset the status register
Lightvalve 52:8ea76864368a 1586
Lightvalve 58:2eade98630e2 1587 }