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- #include "arm_math.h"
- #include "PMSM_FOC_Core.h"
- #include "PMSM_FOC_Params.h"
- #include "foc/core/e_ctrl.h"
- #include "math/fix_math.h"
- #include "math/fast_math.h"
- #include "foc/motor/current.h"
- #include "foc/motor/motor.h"
- #include "foc/core/svpwm.h"
- #include "foc/core/torque.h"
- #include "foc/samples.h"
- #include "foc/limit.h"
- #include "app/nv_storage.h"
- #include "bsp/pwm.h"
- #include "libs/logger.h"
- #include "math/fir.h"
- PMSM_FOC_Ctrl gFoc_Ctrl;
- static Fir_t phase1, phase2;
- static bool g_focinit = false;
- static u32 PMSM_FOC_Debug_Task(void *p);
- static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
- float c,s;
- #if 0
- SinCos_Lut(angle, &s, &c);
- #else
- s = gFoc_Ctrl.out.sin;
- c = gFoc_Ctrl.out.cos;
- #endif
- alpha_beta->a = dq->d * c - dq->q * s;
- alpha_beta->b = dq->d * s + dq->q * c;
- }
- static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
- alpha_beta->a = A;
- alpha_beta->b = ONE_BY_SQRT3 * (B - C);
- }
- static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
- float c,s;
- #if 0
- SinCos_Lut(angle, &s, &c);
- #else
- s = gFoc_Ctrl.out.sin;
- c = gFoc_Ctrl.out.cos;
- #endif
- dq->d = alpha_beta->a * c + alpha_beta->b * s;
- dq->q = -alpha_beta->a * s + alpha_beta->b * c;
- }
- #define VD_PRIO_HIGH
- static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
- float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
- float vDC_m = vDC * module;
- float sq_vDC = vDC_m * vDC_m;
- if (sq_vdq > sq_vDC) {
- #ifdef VD_PRIO_HIGH
- out->d = vdq->d;
- out->q = sqrtf(sq_vDC - out->d*out->d);
- #else
- float r = sqrtf(sq_vDC / sq_vdq);
- out->d = vdq->d * r;
- out->q = vdq->q * r;
- #endif
- }else {
- out->d = vdq->d;
- out->q = vdq->q;
- }
- return sqrtf(sq_vdq/sq_vDC);
- }
- static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
- float cp = c->s_Cp;
- c->s_FinalTgt = target;
- c->s_Step = (c->s_FinalTgt - cp) / (float)time;
- }
- static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
- if (++c->n_StepCount == c->n_CtrlCount) {
- c->s_Cp += c->s_Step;
- if (c->s_Step < 0) {
- if (c->s_Cp < c->s_FinalTgt) {
- c->s_Cp = c->s_FinalTgt;
- }
- }else {
- if (c->s_Cp > c->s_FinalTgt) {
- c->s_Cp = c->s_FinalTgt;
- }
- }
- c->n_StepCount = 0;
- }
- return c->s_Cp;
- }
- static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
- c->n_CtrlCount = count;
- c->n_StepCount = 0;
- c->s_Cp = 0;
- c->s_FinalTgt = 0;
- c->s_Step = 0;
- }
- static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
- FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
- }
- static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
- FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
- }
- static void PMSM_FOC_Reset_PID(void) {
- PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
- PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
- }
- static void PMSM_FOC_Conf_PID(void) {
- gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
- gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
- gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
- gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
- gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
- gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
- gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
- gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
- gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
- gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
- gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
- gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
- gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
- gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
- gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
- gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
- gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
- gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
- gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
- gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
- gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
- gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
- gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
- gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
- gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
- gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
- gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
- gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
- PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
- }
- static void PMSM_FOC_UserInit(void) {
- memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
- gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
- gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
- gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
- gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
- gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
- gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
- gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
- gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
- gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
-
- gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
- gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
- }
- void PMSM_FOC_RT_LimInit(void) {
- eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
- eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
- eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
- }
- void PMSM_FOC_CoreInit(void) {
- Fir_init(&phase1);
- Fir_init(&phase2);
- gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
- gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
- gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
- gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
- gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
- gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
- gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
- PMSM_FOC_Conf_PID();
-
- memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
- memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
-
- gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
- gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
- gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
- gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
- gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
- gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
- gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
- if (!g_focinit) {
- PMSM_FOC_UserInit();
- PMSM_FOC_RT_LimInit();
- shark_task_create(PMSM_FOC_Debug_Task, NULL);
- g_focinit = true;
- }
-
- gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
- gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
- gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
- gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
- gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
- gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
- eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
-
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
- gFoc_Ctrl.out.f_vdqRation = 0;
- FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
- FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
- FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
- FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
- PMSM_FOC_Reset_PID();
- gFoc_Ctrl.plot_type = Plot_None;
- }
- //#define PHASE_LFP_FIR
- //#define PHASE_LFP
- static __INLINE void PMSM_FOC_Update_Hardware(void) {
- AB_t vAB;
- #ifdef PHASE_LFP
- float *iabc = gFoc_Ctrl.in.s_iABCComp;
- #elif defined PHASE_LFP_FIR
- float *iabc = gFoc_Ctrl.in.s_iABCFilter;
- #else
- float *iabc = gFoc_Ctrl.in.s_iABC;
- #endif
- if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
- gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
- gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
- }else {
- gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
- gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
- }
- #ifdef CONFIG_DQ_STEP_RESPONSE
- gFoc_Ctrl.in.s_hallAngle = 0;
- gFoc_Ctrl.in.s_motAngle = 0;
- #endif
- SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
-
- gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
- gFoc_Ctrl.in.s_vDC = get_vbus_int();
- //sample current
- phase_current_get(gFoc_Ctrl.in.s_iABC);
- get_phase_vols(gFoc_Ctrl.in.s_vABC);
- #if 0
- gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
- gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
- gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
- Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
-
- Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
- #endif
- #ifdef PHASE_LFP
- LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
- LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
- LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
- float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
- gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
- gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
- gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
- #elif defined PHASE_LFP_FIR
- gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
- gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
- gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
- #endif
- Clark(iabc[0], iabc[1], iabc[2], &vAB);
- Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
- }
- static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
- /* update id pi ctrl */
- gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
- gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
- gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
- gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
- if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
- gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
- }
- if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
- gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
- }
- /* update iq pi ctrl */
- if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
- gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
- }
- if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
- gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
- }
- }
- #ifdef CONFIG_DQ_STEP_RESPONSE
- float target_d = 0.0f;
- float target_q = 0.0f;
- #endif
- static u32 PMSM_FOC_Debug_Task(void *p) {
- if (gFoc_Ctrl.in.b_motEnable) {
- #ifdef CONFIG_DQ_STEP_RESPONSE
- if (gFoc_Ctrl.plot_type == Plot_D_Step) {
- plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
- }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
- plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
- }
- #else
- if (gFoc_Ctrl.plot_type == Plot_D_flow) {
- plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
- }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
- plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
- }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
- plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
- }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
- plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
- }
- #endif
- }
- return 1;
- }
- void PMSM_FOC_Schedule(void) {
- AB_t vAB;
- gFoc_Ctrl.ctrl_count++;
- PMSM_FOC_Update_Hardware();
- if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
- PMSM_FOC_Update_PI_Idq();
- #ifndef CONFIG_DQ_STEP_RESPONSE
- float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
- #endif
- float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
- gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
- #ifndef CONFIG_DQ_STEP_RESPONSE
- float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
- #endif
- err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
- gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
- }else {
- gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
- gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
- }
- gFoc_Ctrl.out.f_vdqRation = Circle_Limitation(&gFoc_Ctrl.in.s_targetVdq, gFoc_Ctrl.in.s_vDC, gFoc_Ctrl.params.n_modulation, &gFoc_Ctrl.out.s_OutVdq);
-
- RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
-
- SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
- phase_current_point(&gFoc_Ctrl.out);
-
- pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
- pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
- LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
- LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
- if (gFoc_Ctrl.plot_type != Plot_None) {
- if (gFoc_Ctrl.ctrl_count % 5 == 0) {
- if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
- plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
- }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
- plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
- }
- }
- }
- }
- void PMSM_FOC_LogDebug(void) {
- }
- /*called in media task */
- u8 PMSM_FOC_CtrlMode(void) {
- u8 preMode = gFoc_Ctrl.out.n_RunMode;
- if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
- gFoc_Ctrl.in.b_cruiseEna = false;
- }
- if (!gFoc_Ctrl.in.b_motEnable) {
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
- }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
- }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
- }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
- }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
- }else {
- if (!gFoc_Ctrl.in.b_cruiseEna) {
- gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
- }
- }
- if (preMode != gFoc_Ctrl.out.n_RunMode) {
- if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
- PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
- }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
- float target_troque = gFoc_Ctrl.in.s_targetTorque;
- if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
- target_troque = PMSM_FOC_Get_Real_Torque();
- }
- PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
- }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
- PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
- }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
- float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
- eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
- eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
- }
- }
-
- return gFoc_Ctrl.out.n_RunMode;
- }
- static void crosszero_step_towards(float *value, float target) {
- float v_now = *value;
- bool cross_zero = false;
- if (target > 0) {
- if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
- step_towards(value, target, 0.05f);
- cross_zero = true;
- }
- }else if (target == 0) {
- if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
- step_towards(value, target, 0.05f);
- cross_zero = true;
- }
- }else {
- if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
- step_towards(value, target, 0.02f);
- cross_zero = true;
- }
- }
- if (!cross_zero) {
- *value = target;
- }
- }
- /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
- static __INLINE void PMSM_FOC_FieldWeak(void) {
- if (!gFoc_Ctrl.in.b_fwEnable) {
- return;
- }
- }
- static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
- #if 1
- PI_Ctrl_Power.max = maxTrq;
- float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
- return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
- #else
- return maxTrq;
- #endif
- }
- static __INLINE void PMSM_FOC_idq_Assign(void) {
- if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
- if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
- float s, c;
- normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
- gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
-
- if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
- gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
- }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
- gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
- }
- gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
- }else {
- gFoc_Ctrl.in.s_targetIdq.d = 0;
- gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
- }
- }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
- torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
- PMSM_FOC_FieldWeak();
- }
- u32 mask = cpu_enter_critical();
- FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
- FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
- cpu_exit_critical(mask);
- }
- /*called in media task */
- void PMSM_FOC_idqCalc(void) {
- if (gFoc_Ctrl.in.b_AutoHold) {
- gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
- gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
- float vel_count = motor_encoder_get_vel_count();
- float errRef = 0 - vel_count;
- gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
- PMSM_FOC_idq_Assign();
- return;
- }
- if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
- gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
- if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
- if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
- gFoc_Ctrl.in.s_targetCurrent = 0;
- }
- }
- }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
- float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
- if (refTorque >= 0) {
- gFoc_Ctrl.pi_torque->max = refTorque;
- gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_CURRENT;
- }else {
- gFoc_Ctrl.pi_torque->min = refTorque;
- gFoc_Ctrl.pi_torque->max = 0;
- }
- float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
- float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
- maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
- crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
- }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
- float maxSpeed = eCtrl_get_FinalSpeed();
- float refSpeed = eCtrl_get_RefSpeed();
- if (gFoc_Ctrl.in.b_cruiseEna) {
- maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
- refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
- }
- if (maxSpeed >= 0) {
- gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
- gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_CURRENT;
- }else if (maxSpeed < 0) {
- gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
- gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_CURRENT;
- }
- if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
- gFoc_Ctrl.pi_speed->max = 0;
- gFoc_Ctrl.pi_speed->min = 0; //防止倒转
- }
- gFoc_Ctrl.in.s_targetRPM = refSpeed;
- float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
- float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
- gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
- }
- PMSM_FOC_idq_Assign();
- }
- void PMSM_FOC_RunTime_Limit(void) {
- float dclim = (float)vbus_current_vol_lower_limit();
- float phaselim = (float)phase_current_temp_high_limit();
- dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.userLim.s_iDCLim;
- phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.userLim.s_PhaseCurrLim;
- dclim = min(dclim, gFoc_Ctrl.userLim.s_iDCLim);
- phaselim = min(phaselim, gFoc_Ctrl.userLim.s_PhaseCurrLim);
- if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
- }
- if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
- }
- gFoc_Ctrl.protLim.s_iDCLim = dclim;
- gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
- }
- void PMSM_FOC_Slow_Task(void) {
- eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
- eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
- eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
- eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
- PMSM_FOC_idqCalc();
- }
- float PMSM_FOC_Get_Real_Torque(void) {
- if (gFoc_Ctrl.out.s_RealCurrent == 0) {
- gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
- }
- return gFoc_Ctrl.out.s_RealCurrent;
- }
- PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
- return &gFoc_Ctrl;
- }
- void PMSM_FOC_Start(u8 nCtrlMode) {
- if (gFoc_Ctrl.in.b_motEnable) {
- return;
- }
- PMSM_FOC_CoreInit();
- eCtrl_Reset();
- gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
- gFoc_Ctrl.in.b_motEnable = true;
- }
- void PMSM_FOC_Stop(void) {
- if (!gFoc_Ctrl.in.b_motEnable) {
- return;
- }
- PMSM_FOC_CoreInit();
- gFoc_Ctrl.in.b_motEnable = false;
- }
- bool PMSM_FOC_Is_Start(void) {
- return gFoc_Ctrl.in.b_motEnable;
- }
- void PMSM_FOC_DCCurrLimit(float ibusLimit) {
- float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
- if (ibusLimit > minCurr) {
- ibusLimit = minCurr;
- }
- gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
- if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
- eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
- }else {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
- }
- }
- float PMSM_FOC_GetDCCurrLimit(void) {
- return gFoc_Ctrl.userLim.s_iDCLim;
- }
- void PMSM_FOC_SpeedLimit(float speedLimit) {
- PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
- }
- void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
- if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
- speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
- }
- bool need_reset = false;
- if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
- need_reset = true;
- }
- gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
- eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
- if (need_reset) {
- if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
- PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
- }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
- PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
- }
- }
- if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
- eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
- }else {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
- }
- }
- /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
- void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
- if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
- speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
- }
- if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
- speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
- }
- eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
- if (gFoc_Ctrl.in.s_motRPM == 0) {
- eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
- }else {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
- }
- }
- float PMSM_FOC_GetSpeedLimit(void) {
- return gFoc_Ctrl.userLim.s_motRPMLim;
- }
- void PMSM_FOC_TorqueLimit(float torqueLimit) {
- if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
- torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
- }
- gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
- }
- float PMSM_FOC_GetTorqueLimit(void) {
- return gFoc_Ctrl.userLim.s_torqueLim;
- }
- void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
- gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
- }
- float PMSM_FOC_GeteBrkPhaseCurrent(void) {
- return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
- }
- float PMSM_FOC_GetVbusVoltage(void) {
- return gFoc_Ctrl.in.s_vDC;
- }
- float PMSM_FOC_GetVbusCurrent(void) {
- return gFoc_Ctrl.out.s_FilteriDC;
- }
- DQ_t* PMSM_FOC_GetDQCurrent(void) {
- return &gFoc_Ctrl.out.s_RealIdq;
- }
- bool PMSM_FOC_SetCtrlMode(u8 mode) {
- if (mode > CTRL_MODE_CURRENT_BRK) {
- PMSM_FOC_SetErrCode(FOC_Param_Err);
- return false;
- }
- gFoc_Ctrl.in.n_ctlMode = mode;
- return true;
- }
- u8 PMSM_FOC_GetCtrlMode(void) {
- return gFoc_Ctrl.in.n_ctlMode;
- }
- void PMSM_FOC_PhaseCurrLim(float lim) {
- float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
- if (lim > minCurr) {
- lim = minCurr;
- }
- gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
- if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
- eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
- }else {
- eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
- }
- }
- void PMSM_FOC_RT_PhaseCurrLim(float lim) {
- float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
- if (lim > minCurr) {
- lim = minCurr;
- }
- eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
- }
- float PMSM_FOC_GetPhaseCurrLim(void) {
- return gFoc_Ctrl.userLim.s_PhaseCurrLim;
- }
- void PMSM_FOC_SetOpenVdq(float vd, float vq) {
- FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
- FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
- }
- bool PMSM_FOC_EnableCruise(bool enable) {
- if (enable != gFoc_Ctrl.in.b_cruiseEna) {
- float motSpd = PMSM_FOC_GetSpeed();
- if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
- PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
- return false;
- }
- eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
- gFoc_Ctrl.in.s_cruiseRPM = motSpd;
- gFoc_Ctrl.in.b_cruiseEna = enable;
- }
-
- return true;
- }
- bool PMSM_FOC_Is_CruiseEnabled(void) {
- return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
- }
- bool PMSM_FOC_Set_Speed(float rpm) {
- if (gFoc_Ctrl.in.b_cruiseEna) {
- return false;
- }
- eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
- return true;
- }
- #if 0
- bool PMSM_FOC_Set_epmMode(bool epm) {
- if (epm && !gFoc_Ctrl.in.b_motEnable) {
- PMSM_FOC_SetErrCode(FOC_NotAllowed);
- return false;
- }
- if (gFoc_Ctrl.in.b_epmMode != epm) {
- if (PMSM_FOC_GetSpeed() != 0.0f) {
- PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
- return false;
- }
- gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
- gFoc_Ctrl.in.b_epmMode = epm;
- if (epm) {
- PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
- eCtrl_set_TgtSpeed(0);
- PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
- }else {
- PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
- PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
- }
- }
- return true;
- }
- bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
- if (!gFoc_Ctrl.in.b_epmMode) {
- return false;
- }
- if (move) {
- if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
- return false;
- }
- gFoc_Ctrl.in.epmDirection = dir;
- }else {
- gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
- }
- return true;
- }
- EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
- return gFoc_Ctrl.in.epmDirection;
- }
- #endif
- bool PMSM_FOC_Set_Current(float is) {
- if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
- is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
- }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
- is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
- }
- eCtrl_set_TgtCurrent(is);
- return true;
- }
- bool PMSM_FOC_Set_Torque(float trq) {
- if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
- trq = gFoc_Ctrl.userLim.s_torqueLim;
- }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
- trq = -gFoc_Ctrl.userLim.s_torqueLim;
- }
- eCtrl_set_TgtTorque(trq);
- return true;
- }
- void PMSM_FOC_Reset_Torque(void) {
- float real_trq = PMSM_FOC_Get_Real_Torque();
- eCtrl_reset_Torque(real_trq);
- }
- bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
- if (PMSM_FOC_Is_CruiseEnabled()) {
- if (rpm < CONFIG_MIN_CRUISE_RPM) {
- PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
- return false;
- }
- gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
- eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
- return true;
- }
- PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
- return false;
- }
- void PMSM_FOC_MTPA_Calibrate(bool enable) {
- if (enable) {
- gFoc_Ctrl.in.b_MTPA_calibrate = true;
- gFoc_Ctrl.in.s_manualAngle = 0;
- eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
- }else {
- gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
- gFoc_Ctrl.in.b_MTPA_calibrate = false;
- }
- }
- void PMSM_FOC_Set_Angle(float angle) {
- gFoc_Ctrl.in.s_manualAngle = (angle);
- }
- void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
- dq->d = gFoc_Ctrl.in.s_targetIdq.d;
- dq->q = gFoc_Ctrl.in.s_targetIdq.q;
- }
- float PMSM_FOC_GetSpeed(void) {
- return gFoc_Ctrl.in.s_motRPM;
- }
- void PMSM_FOC_AutoHold(bool lock) {
- if (gFoc_Ctrl.in.b_AutoHold != lock) {
- motor_encoder_lock_pos(lock);
- PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
- if (!lock) {
- //解锁后为了防止倒溜,需要把当前
- if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
- PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
- }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
- PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
- }
- eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
- }
- gFoc_Ctrl.in.b_AutoHold = lock;
- }
- }
- bool PMSM_FOC_AutoHoldding(void) {
- return gFoc_Ctrl.in.b_AutoHold;
- }
- static PI_Controller *_pid(u8 id) {
- PI_Controller *pi = NULL;
- if (id == PID_D_id) {
- pi = gFoc_Ctrl.pi_id;
- }else if (id == PID_Q_id) {
- pi = gFoc_Ctrl.pi_iq;
- }else if (id == PID_TRQ_id) {
- pi = gFoc_Ctrl.pi_torque;
- }else if (id == PID_Spd_id) {
- pi = gFoc_Ctrl.pi_speed;
- }
- return pi;
- }
- void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
- if (id > PID_Max_id) {
- return;
- }
- PI_Controller *pi = _pid(id);
- if (pi != NULL) {
- pi->kp = kp;
- pi->ki = ki;
- pi->kb = kb;
- }
- }
- void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
- if (id > PID_Max_id) {
- return;
- }
- PI_Controller *pi = _pid(id);
- if (pi != NULL) {
- *kp = pi->kp;
- *ki = pi->ki;
- *kb = pi->kb;
- }
- }
- void PMSM_FOC_SetErrCode(u8 error) {
- if (gFoc_Ctrl.out.n_Error != error) {
- gFoc_Ctrl.out.n_Error = error;
- }
- }
- u8 PMSM_FOC_GetErrCode(void) {
- return gFoc_Ctrl.out.n_Error;
- }
- void PMSM_FOC_SetCriticalError(u8 err) {
- gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
- }
- void PMSM_FOC_ClrCriticalError(u8 err) {
- gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
- }
- u32 PMSM_FOC_GetCriticalError(void) {
- return gFoc_Ctrl.out.n_CritiCalErrMask;
- }
- void PMSM_FOC_Set_PlotType(Plot_t t) {
- gFoc_Ctrl.plot_type = t;
- }
- //获取母线电流和实际输出电流矢量大小
- void PMSM_FOC_Calc_Current(void) {
- #ifdef NO_SAMPLE_IDC
- float vd = gFoc_Ctrl.out.s_OutVdq.d;
- float vq = gFoc_Ctrl.out.s_OutVdq.q;
- float id = gFoc_Ctrl.out.s_FilterIdq.d;
- float iq = gFoc_Ctrl.out.s_FilterIdq.q;
- /*
- 根据公式(等幅值变换,功率不等):
- iDC x vDC = 2/3(iq x vq + id x vd);
- */
- float m_pow = (vd * id + vq * iq); //s32q10
- float id_thr = ABS(id);
- if (id_thr >= 100.0f) {
- id_thr = 100.0f;
- }
- float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
- #else
- float raw_idc = get_vbus_current();
- #endif
- LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
- gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
- }
- void PMSM_FOC_Brake(bool brake) {
- gFoc_Ctrl.in.b_eBrake = brake;
- if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
- gFoc_Ctrl.in.b_cruiseEna = false;
- }
- eCtrl_brake_signal(brake);
- }
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