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- #include "foc/core/torque.h"
- #include "foc/foc_config.h"
- #include "foc/motor/motor.h"
- #include "foc/motor/motor_param.h"
- #include "foc/core/e_ctrl.h"
- #include "foc/core/PMSM_FOC_Core.h"
- #include "app/nv_storage.h"
- #include "libs/logger.h"
- #include "prot/can_foc_msg.h"
- static motor_map_t gear_torques[5][5] = {
- [0] = {{500, 100}, {1200, 100}, {1700, 80}, {2200, 75}, {2800, 50},},
- [1] = {{800, 130}, {1600, 120}, {2400, 110}, {3200, 80}, {4300, 60},},
- [2] = {{1200, 150}, {2200, 140}, {3200, 120}, {4200, 80}, {5300, 70},},
- [3] = {{3000, 200}, {4740, 150}, {5050, 110}, {5200, 85}, {5300, 70},},
- [4] = {{4500, 200}, {4740, 150}, {5050, 110}, {5200, 85}, {5300, 70},},
- };
- /*
- 通过查表获取对应扭矩和速度时的Id和IQ的分配
- */
- static torque_manager_t torque_ctrl;
- void torque_init(void) {
- trq2dq_lookup_init();
- torque_reset();
- }
- void torque_reset(void) {
- memset(&torque_ctrl, 0, sizeof(torque_ctrl));
- }
- float torque_max_from_gear_rpm(void) {
- u8 gear = mc_get_internal_gear();
- if (gear > 4) {
- gear = 0;
- }
- motor_map_t *map = &gear_torques[gear][0];
- s16 rpm = (s16)torque_ctrl.spd_filted;
- if (rpm <= map[0].rpm) {
- return (float)map[0].torque;
- }
- int map_size = 5;
- for (int i = 1; i < map_size; i++) {
- if (rpm <= map[i].rpm) { //线性插值
- float trq1 = map[i-1].torque;
- float min_rpm = map[i-1].rpm;
- float trq2 = map[i].torque;
- float max_rpm = map[i].rpm;
- return f_map((float)rpm, min_rpm, max_rpm, trq1, trq2);
- }
- }
- return (float)map[map_size-1].torque;
- }
- /* 获取油门开度 */
- static float throttle_ration(float f_throttle) {
- if (f_throttle <= nv_get_foc_params()->n_startThroVol) {
- return 0;
- }
- float delta = f_throttle - (nv_get_foc_params()->n_startThroVol);
- int ration = (delta * 100.0f) / (nv_get_foc_params()->n_endThroVol - nv_get_foc_params()->n_startThroVol);
-
- return ((float)ration)/100.0f;
- }
- float throttle_to_speed(float f_throttle) {
- return (PMSM_FOC_GetSpeedLimit() * throttle_ration(f_throttle));
- }
- float throttle_to_torque(float f_throttle) {
- return PMSM_FOC_GetTorqueLimit() * throttle_ration(f_throttle);
- }
- #define FUNC_SEG1_X_END 0.5F
- #define FUNC_SEG1_Y_END 0.25F
- #define FUNC_SEG1_K (FUNC_SEG1_Y_END/FUNC_SEG1_X_END)
- #define FUNC_SEG2_X_OFF FUNC_SEG1_X_END
- #define FUNC_SEG2_Y_OFF FUNC_SEG1_Y_END
- #define FUNC_SEG2_K ((1.0F-FUNC_SEG1_Y_END)/(1.0F - FUNC_SEG1_X_END))
- static float __INLINE unline_func(float x) {
- if (x <= FUNC_SEG1_X_END) {
- return x * FUNC_SEG1_K;
- }
- return (x - FUNC_SEG1_X_END) * FUNC_SEG2_K + FUNC_SEG2_Y_OFF;
- }
- #define REAL_DQ_CEOF 0.9f
- #define FINAL_DQ_CEFO 1.1F
- static float get_throttle_torque(float trq_ration) {
- float curr_rpm = PMSM_FOC_GetSpeed();
- if (curr_rpm == 0) {
- torque_ctrl.spd_filted = 0;
- }else {
- LowPass_Filter(torque_ctrl.spd_filted, curr_rpm, 0.01f);
- }
- float torque_map = torque_max_from_gear_rpm();// (float)motor_max_torque_for_rpm((s16)torque_ctrl.spd_filted);
- float torque_lim = PMSM_FOC_GetTorqueLimit();
- float max_torque = min(torque_map, torque_lim);
- return max_torque * unline_func(trq_ration);
- }
- float get_thro_request_torque(void) {
- return get_throttle_torque(torque_ctrl.throttle_opening);
- }
- void request_torque(float throttle_opening) {
- float curr_rpm = PMSM_FOC_GetSpeed();
- float ref_torque = get_throttle_torque(throttle_opening);
- #ifdef CONFIG_CRUISE_ENABLE_ACCL
- if (mc_is_cruise_enabled() && mc_throttle_released()) {
- return;
- }
- #endif
- if ((mc_throttle_released()) && eCtrl_enable_eBrake(true)) {
- return;
- }
-
- if (!mc_throttle_released()) {
- if (curr_rpm <= CONFIG_ZERO_SPEED_RPM) {
- torque_ctrl.torque_req = eCtrl_get_FinalTorque() * FINAL_DQ_CEFO;
- ref_torque = MAX(eCtrl_get_FinalTorque() * FINAL_DQ_CEFO, ref_torque);
- }
- if (ref_torque > torque_ctrl.torque_req) { //加扭矩step给定
- step_towards(&torque_ctrl.torque_req, ref_torque, 1.0f);
- }else { //减扭矩,直接给定
- torque_ctrl.torque_req = ref_torque;
- }
- PMSM_FOC_Set_Torque(torque_ctrl.torque_req);
- }else if (mc_throttle_released() && eCtrl_get_FinalTorque() != 0){
- float real_trq = PMSM_FOC_Get_Real_dqVector() * REAL_DQ_CEOF;
- float ref_now = min(real_trq, eCtrl_get_RefTorque());
- eCtrl_reset_Torque(ref_now);
- PMSM_FOC_Set_Torque(0);
- }
- }
- void request_speed(float throttle_opening) {
- if (!mc_is_cruise_enabled()) {
- float speed_Ref = PMSM_FOC_GetSpeedLimit() * throttle_opening;
- PMSM_FOC_Set_TgtSpeed(speed_Ref);
- }
- }
- #define THRO_REF_LP_CEOF 0.2f
- void throttle_process(u8 run_mode, float f_throttle) {
- if (mc_throttle_released()){
- torque_ctrl.throttle_value = 0;
- torque_ctrl.torque_req = 0;
- }else {
- LowPass_Filter(torque_ctrl.throttle_value, f_throttle, THRO_REF_LP_CEOF);
- }
- torque_ctrl.throttle_opening = throttle_ration(f_throttle);
- if (run_mode == CTRL_MODE_TRQ) {
- request_torque(torque_ctrl.throttle_opening);
- }else if (run_mode == CTRL_MODE_SPD) {
- request_speed(torque_ctrl.throttle_opening);
- }else if (run_mode == CTRL_MODE_EBRAKE) {
- eCtrl_reset_Torque(0);
- if (eCtrl_get_FinalCurrent() < 0.0001f && PMSM_FOC_GetSpeed() < CONFIG_MIN_RPM_EXIT_EBRAKE) {
- eCtrl_enable_eBrake(false);
- }
- if (!mc_throttle_released() || (mc_throttle_released() && (PMSM_FOC_GetSpeed() == 0.0f))) {
- eCtrl_enable_eBrake(false);
- }
- }
- }
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