#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; static bool g_focinit = false; 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/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_maxBrkCurrent; _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; 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(); g_focinit = false; } _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; 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.params.n_poles; _gFOC_Ctrl.in.s_vDC = get_vbus_float(); //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 } 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; } } extern int jtag_plot; float encoder_last_offset(void); static __INLINE void PMSM_FOC_Plot_Debug(void) { if (_gFOC_Ctrl.ctrl_count % 8 == 0) { //plot_1data16(_gFOC_Ctrl.out.test_sample); //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC())); //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]); //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q)); //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque)); //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle)); //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q)); //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q)); //if (jtag_plot == 2) { //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q)); //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]); //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q)); //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]); //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q)); //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float())); plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_OutVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_RealVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_FilteriDC)); //} //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle)); //plot_1data16(_gFOC_Ctrl.in.s_motRPM); } } void PMSM_FOC_Schedule(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 _gFOC_Ctrl.ctrl_count++; PMSM_FOC_Update_Hardware(); if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) { PMSM_FOC_Update_PI_Idq(); Clark(iabc[0], iabc[1], iabc[2], &vAB); Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq); 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); #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 PMSM_FOC_Plot_Debug(); } void PMSM_FOC_LogDebug(void) { //sys_debug("Duty %d, %d, %d\n", _gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]); sys_debug("Vdq %f, %f-->%f, %f, %f\n", S16Q5toF(_gFOC_Ctrl.in.s_targetVdq.d), S16Q5toF(_gFOC_Ctrl.in.s_targetVdq.q), S16Q5toF(_gFOC_Ctrl.out.s_OutVdq.d), S16Q5toF(_gFOC_Ctrl.out.s_OutVdq.q), S16Q14toF(_gFOC_Ctrl.out.f_vdqRation)); sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2); //sys_debug("iABC %f, %f, %f\n", S16Q5toF(_gFOC_Ctrl.in.s_iABC[0]), S16Q5toF(_gFOC_Ctrl.in.s_iABC[1]), S16Q5toF(_gFOC_Ctrl.in.s_iABC[2])); //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]); //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2); } /*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) { 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); } 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) { PMSM_FOC_Get_iDC(); 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 < 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 = -refTorque; if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < 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 = -_gFOC_Ctrl.userLim.s_PhaseCurrLim; float refSpeed = eCtrl_get_RefSpeed(); if (_gFOC_Ctrl.in.b_cruiseEna) { refSpeed = _gFOC_Ctrl.in.s_cruiseRPM; } if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) { _gFOC_Ctrl.pi_ctl_spd->max = 0; _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转 } 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); } 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); } 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_iDCeBrkLim = curr; } float PMSM_FOC_GeteBrkPhaseCurrent(void) { return _gFOC_Ctrl.userLim.s_iDCeBrkLim ; } void PMSM_FOC_VbusVoltage(float vbusVol) { _gFOC_Ctrl.in.s_vDC = vbusVol; } void PMSM_FOC_SetCtrlMode(u8 mode) { _gFOC_Ctrl.in.n_ctlMode = mode; } 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 (motSpd < 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()) { _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; } } void PMSM_FOC_SetPid(u8 id, float kp, float ki, float 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_Get_iDC(void) { 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 raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5 LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.1f); 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); }