#include "arm_math.h" #include "PMSM_FOC_Core.h" #include "foc/foc_config.h" #include "foc/motor/motor_param.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/thro_torque.h" #include "foc/core/foc_observer.h" #include "foc/samples.h" #include "foc/limit.h" #include "app/nv_storage.h" #include "bsp/bsp_driver.h" #include "libs/logger.h" #include "math/fir.h" #define _DEBUG(fmt, args...) sys_debug(fmt, ##args) PMSM_FOC_Ctrl gFoc_Ctrl; 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; } #if 0 #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 * SQRT3_BY_2; 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); } #endif 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_lock, 0); PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0); #ifdef CONFIG_SPEED_LADRC ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0); ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0); #else PI_Controller_Reset(&gFoc_Ctrl.pi_speed, 0); PI_Controller_Reset(&gFoc_Ctrl.pi_torque, 0); #endif } static void PMSM_FOC_Conf_PID(void) { float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS); 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.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd; 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.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd; gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_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.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd; gFoc_Ctrl.pi_power.DT = slow_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.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd; gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts; #ifdef CONFIG_SPEED_LADRC ladrc_init(&gFoc_Ctrl.vel_lim_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0); ladrc_init(&gFoc_Ctrl.vel_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0); #else 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.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd; gFoc_Ctrl.pi_torque.DT = slow_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.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd; gFoc_Ctrl.pi_speed.DT = slow_ctrl_ts; #endif } 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_TorqueBrkLim = nv_get_foc_params()->s_TorqueBrkLim; gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax; } void PMSM_FOC_RT_LimInit(void) { gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE; gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE; 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.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, 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) { 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_MOTOR_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; //_DEBUG("User Limit:\n"); //_DEBUG("dc %f, rpm %f, torque %f, phase %f, vDCmax %f, vDCmin %f, ebrk %f\n", gFoc_Ctrl.userLim.s_iDCLim, gFoc_Ctrl.userLim.s_motRPMLim, gFoc_Ctrl.userLim.s_torqueLim, // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim); //_DEBUG("Hw Limit:\n"); //_DEBUG("dc %f, rpm %f, torque %f, phase %f\n", gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.hwLim.s_motRPMMax, gFoc_Ctrl.hwLim.s_torqueMax, gFoc_Ctrl.hwLim.s_PhaseCurrMax); } gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation; gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF; gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES; gFoc_Ctrl.params.lq = nv_get_motor_params()->lq; gFoc_Ctrl.params.ld = nv_get_motor_params()->ld; gFoc_Ctrl.params.flux = nv_get_motor_params()->flux_linkage; 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); // gFoc_Ctrl.params.f_DCLim = get_vbus_float(); 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_FOC_VDQ_RAMP_TS)); FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS)); PMSM_FOC_Reset_PID(); foc_observer_init(); gFoc_Ctrl.plot_type = Plot_None; } //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */ //#define Volvec_Delay_Comp /* 电压矢量角度补偿 */ static __INLINE void PMSM_FOC_Update_Input(void) { AB_t iAB; float *iabc = gFoc_Ctrl.in.s_iABC; phase_current_get(iabc); Clark(iabc[0], iabc[1], iabc[2], &iAB); foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a * 0.66667f, gFoc_Ctrl.out.s_OutVAB.b * 0.66667f, iAB.a, iAB.b); 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; } gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed(); LowPass_Filter(gFoc_Ctrl.in.s_motRPMFilted, gFoc_Ctrl.in.s_motRPM, 0.005f); gFoc_Ctrl.in.s_motVelDegreePers = gFoc_Ctrl.in.s_motRPM / 30.0f * PI * gFoc_Ctrl.params.n_poles; #ifdef CONFIG_DQ_STEP_RESPONSE gFoc_Ctrl.in.s_hallAngle = 0; gFoc_Ctrl.in.s_motAngle = 0; #endif gFoc_Ctrl.in.s_vDC = get_vbus_float(); get_phase_vols(gFoc_Ctrl.in.s_vABC); SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos); Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq); 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); #ifdef Volvec_Delay_Comp float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelDegreePers / PI * 180.0f * (FOC_CTRL_US - 2e-6f); rand_angle(next_angle); SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos); #endif } #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; } static __INLINE void id_feedforward(float eW) { #ifdef CONFIG_CURRENT_LOOP_DECOUPE gFoc_Ctrl.in.s_targetVdq.d += -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW); gFoc_Ctrl.in.s_targetVdq.d = fclamp(gFoc_Ctrl.in.s_targetVdq.d, gFoc_Ctrl.pi_id.min, gFoc_Ctrl.pi_id.max); #endif } static __INLINE void iq_feedforward(float eW) { #ifdef CONFIG_CURRENT_LOOP_DECOUPE gFoc_Ctrl.in.s_targetVdq.q += (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW; gFoc_Ctrl.in.s_targetVdq.q = fclamp(gFoc_Ctrl.in.s_targetVdq.q, gFoc_Ctrl.pi_iq.min, gFoc_Ctrl.pi_iq.max); #endif } void PMSM_FOC_Schedule(void) { gFoc_Ctrl.ctrl_count++; PMSM_FOC_Update_Input(); if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) { float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION; float max_vd = max_Vdc * SQRT3_BY_2; /* limiter Vd output for PI controller */ gFoc_Ctrl.pi_id.max = max_vd; gFoc_Ctrl.pi_id.min = -max_vd; #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); id_feedforward(gFoc_Ctrl.in.s_motVelDegreePers); #ifdef UPDATE_Lq_By_iq /* update kp&ki from lq for iq PI controller */ float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q); LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f); gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq); gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq); #endif /* limiter Vq output for PI controller */ float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d)); gFoc_Ctrl.pi_iq.max = max_vq; gFoc_Ctrl.pi_iq.min = -max_vq; #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); iq_feedforward(gFoc_Ctrl.in.s_motVelDegreePers); }else { float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION; float max_vd = max_Vdc * SQRT3_BY_2; float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]); gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd); float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d)); float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]); gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq); } #if 0 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); gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2; gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2; #else gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d; gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q; #endif RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB); SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, 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.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])); }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) { #ifdef CONFIG_SMO_OBSERVER float smo_angle = foc_observer_sensorless_angle(); float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle; if (delta > 180) { delta -= 360; }else if (delta < -180) { delta += 360; } plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta); #endif } } } } void PMSM_FOC_LogDebug(void) { sys_debug("DC curr %f, Lq %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.params.lq); } /*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_EBRAKE) { gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE; }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)) { #ifdef CONFIG_SPEED_LADRC //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque); ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc); #else PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque); #endif }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) { #ifdef CONFIG_SPEED_LADRC //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque); ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc); #else 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_dqVector(); } PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque); #endif }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) { #ifdef CONFIG_SPEED_LADRC ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque); #else PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque); #endif }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) { #if 0 float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f; eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque)); eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque()); #else eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque); eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque()); #endif } } 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 float PMSM_FOC_Limit_iDC(float maxTrq) { #if 1 gFoc_Ctrl.pi_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 float PMSM_FOC_Limit_Speed(float maxTrq) { #ifdef CONFIG_SPEED_LADRC float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp); ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq); return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM); #else #if 1 gFoc_Ctrl.pi_torque->max = maxTrq; gFoc_Ctrl.pi_torque->min = 0; float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM; return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err); #else return maxTrq; #endif #endif } static __INLINE void PMSM_FOC_idq_Assign(void) { if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) { 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) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) { motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq); } 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_MAX_LOCK_TORQUE; gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE; 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.in.s_targetCurrent = eCtrl_get_RefCurrent(); }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) { float maxTrq = eCtrl_get_RefTorque(); if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) { maxTrq = 0; } crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq); }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) { float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp)); float maxTrq = PMSM_FOC_Limit_Speed(refTorque); 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; } #ifdef CONFIG_SPEED_LADRC if (maxSpeed >= 0) { ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp)); }else if (maxSpeed < 0) { ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE); } if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) { ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0); } gFoc_Ctrl.in.s_targetRPM = refSpeed; float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM); #else if (maxSpeed >= 0) { gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim; gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE; }else if (maxSpeed < 0) { gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim; gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE; } 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_Run(&gFoc_Ctrl.pi_speed, errRef); #endif gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq); } PMSM_FOC_idq_Assign(); } bool PMSM_FOC_RunTime_Limit(void) { bool changed = false; float dc_lim = (float)vbus_current_vol_lower_limit(); float torque_lim = (float)torque_temp_high_limit(); if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) { gFoc_Ctrl.protLim.s_iDCLim = dc_lim; gFoc_Ctrl.protLim.s_TorqueLim = torque_lim; changed = true; } return changed; } bool PMSM_FOC_iDC_is_Limited(void) { return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE); } bool PMSM_FOC_Torque_is_Limited(void) { return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE); } void PMSM_FOC_Slow_Task(void) { eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp); 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_dqVector(void) { if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) { gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q)); } return gFoc_Ctrl.out.s_RealCurrentFiltered; } 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) { if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) { ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax; } if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) { ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim); } gFoc_Ctrl.userLim.s_iDCLim = ibusLimit; if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){ 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_SpeedRampLimit(float speedLimit, float speed) { if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) { speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax; } gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit); if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) { eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit); }else { eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS); } } void PMSM_FOC_SpeedLimit(float speedLimit) { PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM); } void PMSM_FOC_SpeedDirectLimit(float limit) { PMSM_FOC_SpeedRampLimit(limit, 0); } 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; } if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) { torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim); } gFoc_Ctrl.userLim.s_torqueLim = torqueLimit; if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){ eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit); }else { eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS); } } float PMSM_FOC_GetTorqueLimit(void) { return gFoc_Ctrl.userLim.s_torqueLim; } void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) { gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim); gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim); } float PMSM_FOC_GetEbrkTorque(void) { return gFoc_Ctrl.userLim.s_TorqueBrkLim; } 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_EBRAKE) { 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) { if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) { lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax; } gFoc_Ctrl.userLim.s_PhaseCurrLim = lim; } void PMSM_FOC_RT_PhaseCurrLim(float lim) { if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) { lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax; } eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, 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_PauseCruise(void) { gFoc_Ctrl.in.b_cruiseEna = false; return true; } bool PMSM_FOC_ResumeCruise(void) { gFoc_Ctrl.in.b_cruiseEna = true; eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME); eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS); 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_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_dqVector(); 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; }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) { #ifdef CONFIG_SPEED_LADRC ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f); #else PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f); #endif }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) { #ifdef CONFIG_SPEED_LADRC ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f); #else PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f); #endif } eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque); gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque; }else { gFoc_Ctrl.out.f_autohold_trq = 0; } 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) { #ifndef CONFIG_SPEED_LADRC pi = &gFoc_Ctrl.pi_torque; #endif }else if (id == PID_Spd_id) { #ifndef CONFIG_SPEED_LADRC pi = &gFoc_Ctrl.pi_speed; #endif } return pi; } void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) { if (id > PID_Max_id) { return; } PI_Controller *pi = _pid(id); if (pi != NULL) { pi->kp = kp; pi->ki = ki; pi->kd = kd; } } void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) { if (id > PID_Max_id) { return; } PI_Controller *pi = _pid(id); if (pi != NULL) { *kp = pi->kp; *ki = pi->ki; *kd = pi->kd; } } 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_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) { 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 / get_vbus_float();// * 1.5f * 0.66f; //s16q5 LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f); raw_idc = get_vbus_current(); LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f); gFoc_Ctrl.out.s_RealCurrentFiltered = 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); }