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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 "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;
- TD_t speed_td;
- 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);
- return 1.1f;
- #else
- float r = sqrtf(sq_vDC / sq_vdq);
- out->d = vdq->d * r;
- out->q = vdq->q * r;
- return r;
- #endif
- }
- out->d = vdq->d;
- out->q = vdq->q;
- return 1.0f; // s16q5 32 means int 1
- }
- 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;
- if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
- if (c->s_FinalTgt - cp > 0) {
- c->s_Step = 0.001;
- }else if (c->s_FinalTgt - cp < 0){
- c->s_Step = -0.001;
- }
- }
- }
- 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, (/*IDQ_CTRL_TS/SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
- }
- static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
- FOC_Set_DqRamp(c, target, (VDQ_RAMP_FINAL_TIME/1000*((IDQ_CTRL_TS/VDQ_RAMP_TS))));
- }
- static void PMSM_FOC_Reset_PID(void) {
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_id, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_iq, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_fw, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_power, 0);
- }
- static void PMSM_FOC_Conf_PID(void) {
- _gFOC_Ctrl.pi_ctl_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
- _gFOC_Ctrl.pi_ctl_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
- _gFOC_Ctrl.pi_ctl_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
- _gFOC_Ctrl.pi_ctl_id->DT = (1.0f/(float)IDQ_CTRL_TS);
- _gFOC_Ctrl.pi_ctl_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
- _gFOC_Ctrl.pi_ctl_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
- _gFOC_Ctrl.pi_ctl_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
- _gFOC_Ctrl.pi_ctl_iq->DT = (1.0f/(float)IDQ_CTRL_TS);
- _gFOC_Ctrl.pi_ctl_trq->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
- _gFOC_Ctrl.pi_ctl_trq->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
- _gFOC_Ctrl.pi_ctl_trq->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
- _gFOC_Ctrl.pi_ctl_trq->DT = (1.0f/(float)SPD_CTRL_TS);
- _gFOC_Ctrl.pi_ctl_spd->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
- _gFOC_Ctrl.pi_ctl_spd->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
- _gFOC_Ctrl.pi_ctl_spd->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
- _gFOC_Ctrl.pi_ctl_spd->DT = (1.0f/(float)SPD_CTRL_TS);
- _gFOC_Ctrl.pi_ctl_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
- _gFOC_Ctrl.pi_ctl_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
- _gFOC_Ctrl.pi_ctl_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
- _gFOC_Ctrl.pi_ctl_power->DT = (1.0f/(float)SPD_CTRL_TS);
- _gFOC_Ctrl.pi_ctl_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
- _gFOC_Ctrl.pi_ctl_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
- _gFOC_Ctrl.pi_ctl_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
- _gFOC_Ctrl.pi_ctl_lock->DT = (1.0f/(float)SPD_CTRL_TS);
- }
- static void PMSM_FOC_UserInit(void) {
- memset(&_gFOC_Ctrl.userLim, 0, sizeof(_gFOC_Ctrl.userLim));
- _gFOC_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
- _gFOC_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
- _gFOC_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
- _gFOC_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
- _gFOC_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxvDC;
- _gFOC_Ctrl.userLim.s_vDCMinLim = _gFOC_Ctrl.userLim.s_vDCMaxLim / 3;
- _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_PhaseeVoleBrkLim = _gFOC_Ctrl.hwLim.s_PhaseVolMax - 20;
- }
- void PMSM_FOC_CoreInit(void) {
- Fir_init(&phase1);
- Fir_init(&phase2);
- _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
- _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
- _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
- _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
- _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
- _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
- _gFOC_Ctrl.pi_ctl_power = &PI_Ctrl_Power;
- TD_Init(&speed_td, 2.0f, (1.0f/(float)SPD_CTRL_TS));
- 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_VBUS_VOLTAGE;
- _gFOC_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
- if (!g_focinit) {
- PMSM_FOC_UserInit();
- shark_task_create(PMSM_FOC_Debug_Task, NULL);
- g_focinit = true;
- }
- _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
- _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
- //_gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
- _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
- _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
- _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
- _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], (IDQ_CTRL_TS/VDQ_RAMP_TS));
- FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
- PMSM_FOC_Reset_PID();
- }
- //#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_iABCFilter;
- #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;
- }
- 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);
- _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);
- #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);
- #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;//MAX_vDC;
- _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
- _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
- _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
- if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
- _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
- }
- if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
- _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
- }
- /* update iq pi ctrl */
- if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
- _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
- }
- if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
- _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
- }
- }
- static u32 PMSM_FOC_Debug_Task(void *p) {
- if (_gFOC_Ctrl.in.b_motEnable) {
- //plot_3data16(FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[0]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[1]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[2]));
- plot_3data16(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_targetRPM, _gFOC_Ctrl.in.s_motRPM);
- //plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q), FtoS16x10(_gFOC_Ctrl.idq_ctl[1].s_FinalTgt));
- //plot_3data16( _gFOC_Ctrl.in.s_motRPM, speed_td.target, speed_td.diff);
- }
- 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();
-
- float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
- float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
- _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
- float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
- err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
- _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
- _gFOC_Ctrl.out.test_targetIQ = target_q;
- }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);
- if (_gFOC_Ctrl.ctrl_count % 5 == 0) {
- //plot_3data16(FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[0]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[1]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[2]));
- //plot_3data16((s16)_gFOC_Ctrl.out.s_RealIdq.d, (s16)_gFOC_Ctrl.out.s_RealIdq.q, (s16)_gFOC_Ctrl.idq_ctl[1].s_Cp);
- }
- }
- 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_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_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
- }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
- }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
- }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
-
- }
- }
- return _gFOC_Ctrl.out.n_RunMode;
- }
- /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
- static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
- #if 0
- PI_Ctrl_Power.max = maxTrq;
- float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
- return PI_Controller_run(_gFOC_Ctrl.pi_ctl_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;
- _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
- }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);
- }
- 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);
- }
- /*called in media task */
- void PMSM_FOC_idqCalc(void) {
- if (_gFOC_Ctrl.in.b_motLock) {
- float vel_count = motor_encoder_get_vel_count();
- float errRef = 0 - vel_count;
- _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_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 = eCtrl_get_FinalTorque();
- _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
- _gFOC_Ctrl.pi_ctl_trq->min = 0;
- if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
- _gFOC_Ctrl.pi_ctl_trq->max = 0;
- _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
- }
- float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
- float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef);
- _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
- }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
- _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
- _gFOC_Ctrl.pi_ctl_spd->min = 0;//-_gFOC_Ctrl.userLim.s_PhaseCurrLim;
- float refSpeed = eCtrl_get_RefSpeed();
- if (_gFOC_Ctrl.in.b_cruiseEna) {
- refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
- }else {
- if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
- _gFOC_Ctrl.pi_ctl_spd->max = 0;
- _gFOC_Ctrl.pi_ctl_spd->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_ctl_spd, errRef);
- _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
- }
- TD_run(&speed_td, _gFOC_Ctrl.in.s_motRPM);
- PMSM_FOC_idq_Assign();
- }
- void PMSM_FOC_Start(u8 nCtrlMode) {
- if (_gFOC_Ctrl.in.b_motEnable) {
- return;
- }
- PMSM_FOC_CoreInit();
- _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_iBusLimit(float ibusLimit) {
- _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
- }
- float PMSM_FOC_GetiBusLimit(void) {
- return _gFOC_Ctrl.userLim.s_iDCLim;
- }
- void PMSM_FOC_SpeedLimit(float speedLimit) {
- if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
- speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
- }
- _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
- }
- 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;
- }
- void PMSM_FOC_GetCurrentMode(u8 *data) {
- data[0] = _gFOC_Ctrl.in.n_ctlMode;
- data[0] |= _gFOC_Ctrl.out.n_RunMode << 2;
- data[0] |= (_gFOC_Ctrl.in.b_cruiseEna?1:0) << 4;
- data[0] |= (PMSM_FOC_Is_CruiseEnabled()?1:0) << 5;
- data[0] |= (PMSM_FOC_is_epmMode()?1:0) << 6;
- data[0] |= (0) << 7; //motor locked
- }
- u8 PMSM_FOC_GetCtrlMode(void) {
- return _gFOC_Ctrl.in.n_ctlMode;
- }
- void PMSM_FOC_PhaseCurrLim(float lim) {
- if (lim > _gFOC_Ctrl.hwLim.s_PhaseCurrMax) {
- lim = _gFOC_Ctrl.hwLim.s_PhaseCurrMax;
- }
- _gFOC_Ctrl.userLim.s_PhaseCurrLim = lim;
- }
- 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;
- }
- _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;
- }
- bool PMSM_FOC_Set_epmMode(bool epm) {
- 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_is_epmMode(void) {
- return _gFOC_Ctrl.in.b_epmMode;
- }
- 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;
- }
- bool PMSM_FOC_Set_Current(float is) {
- eCtrl_set_TgtCurrent(is);
- return true;
- }
- bool PMSM_FOC_Set_Torque(float trq) {
- eCtrl_set_TgtTorque(trq);
- return true;
- }
- 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 = rpm;
- 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;
- }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_LockMotor(bool lock) {
- if (_gFOC_Ctrl.in.b_motLock != lock) {
- motor_encoder_lock_pos(lock);
- PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
- _gFOC_Ctrl.in.b_motLock = lock;
- }
- }
- static PI_Controller *_pid(u8 id) {
- PI_Controller *pi = NULL;
- if (id == PID_D_id) {
- pi = _gFOC_Ctrl.pi_ctl_id;
- }else if (id == PID_Q_id) {
- pi = _gFOC_Ctrl.pi_ctl_iq;
- }else if (id == PID_TRQ_id) {
- pi = _gFOC_Ctrl.pi_ctl_trq;
- }else if (id == PID_Spd_id) {
- pi = _gFOC_Ctrl.pi_ctl_spd;
- }
- 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;
- }
- //获取母线电流
- float PMSM_FOC_Calc_iDC(void) {
- float vd = _gFOC_Ctrl.out.s_OutVdq.d;
- float vq = _gFOC_Ctrl.out.s_OutVdq.q;
- #ifdef NO_SAMPLE_IDC
- LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
- LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
- #endif
- 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 raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC;// * 1.5f * 0.66f; //s16q5
- LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
- return _gFOC_Ctrl.out.s_FilteriDC;
- }
- 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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