PMSM_FOC_Core.c 33 KB

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  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "PMSM_FOC_Params.h"
  4. #include "foc/core/e_ctrl.h"
  5. #include "math/fix_math.h"
  6. #include "math/fast_math.h"
  7. #include "foc/motor/current.h"
  8. #include "foc/motor/motor.h"
  9. #include "foc/core/svpwm.h"
  10. #include "foc/core/torque.h"
  11. #include "foc/core/smo_observer.h"
  12. #include "foc/samples.h"
  13. #include "foc/limit.h"
  14. #include "app/nv_storage.h"
  15. #include "bsp/pwm.h"
  16. #include "libs/logger.h"
  17. #include "math/fir.h"
  18. PMSM_FOC_Ctrl gFoc_Ctrl;
  19. static Fir_t phase1, phase2;
  20. static bool g_focinit = false;
  21. static u32 PMSM_FOC_Debug_Task(void *p);
  22. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  23. float c,s;
  24. #if 0
  25. SinCos_Lut(angle, &s, &c);
  26. #else
  27. s = gFoc_Ctrl.out.sin;
  28. c = gFoc_Ctrl.out.cos;
  29. #endif
  30. alpha_beta->a = dq->d * c - dq->q * s;
  31. alpha_beta->b = dq->d * s + dq->q * c;
  32. }
  33. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  34. alpha_beta->a = A;
  35. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  36. }
  37. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  38. float c,s;
  39. #if 0
  40. SinCos_Lut(angle, &s, &c);
  41. #else
  42. s = gFoc_Ctrl.out.sin;
  43. c = gFoc_Ctrl.out.cos;
  44. #endif
  45. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  46. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  47. }
  48. #define VD_PRIO_HIGH
  49. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  50. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  51. float vDC_m = vDC * module;
  52. float sq_vDC = vDC_m * vDC_m;
  53. if (sq_vdq > sq_vDC) {
  54. #ifdef VD_PRIO_HIGH
  55. out->d = vdq->d;
  56. out->q = sqrtf(sq_vDC - out->d*out->d);
  57. #else
  58. float r = sqrtf(sq_vDC / sq_vdq);
  59. out->d = vdq->d * r;
  60. out->q = vdq->q * r;
  61. #endif
  62. }else {
  63. out->d = vdq->d;
  64. out->q = vdq->q;
  65. }
  66. return sqrtf(sq_vdq/sq_vDC);
  67. }
  68. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  69. float cp = c->s_Cp;
  70. c->s_FinalTgt = target;
  71. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  72. }
  73. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  74. if (++c->n_StepCount == c->n_CtrlCount) {
  75. c->s_Cp += c->s_Step;
  76. if (c->s_Step < 0) {
  77. if (c->s_Cp < c->s_FinalTgt) {
  78. c->s_Cp = c->s_FinalTgt;
  79. }
  80. }else {
  81. if (c->s_Cp > c->s_FinalTgt) {
  82. c->s_Cp = c->s_FinalTgt;
  83. }
  84. }
  85. c->n_StepCount = 0;
  86. }
  87. return c->s_Cp;
  88. }
  89. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  90. c->n_CtrlCount = count;
  91. c->n_StepCount = 0;
  92. c->s_Cp = 0;
  93. c->s_FinalTgt = 0;
  94. c->s_Step = 0;
  95. }
  96. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  97. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  98. }
  99. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  101. }
  102. static void PMSM_FOC_Reset_PID(void) {
  103. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  104. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  110. }
  111. static void PMSM_FOC_Conf_PID(void) {
  112. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  113. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  114. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  115. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  116. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  117. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  118. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  119. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  120. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  121. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  122. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  123. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  124. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  125. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  126. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  127. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  128. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  129. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  130. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  131. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  132. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  133. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  134. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  135. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  136. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  137. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  138. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  139. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  140. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  141. }
  142. static void PMSM_FOC_UserInit(void) {
  143. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  144. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  145. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  146. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  147. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  148. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  149. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  150. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  152. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  153. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  154. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  155. }
  156. void PMSM_FOC_RT_LimInit(void) {
  157. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  160. }
  161. void PMSM_FOC_CoreInit(void) {
  162. Fir_init(&phase1);
  163. Fir_init(&phase2);
  164. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  165. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  166. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  167. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  168. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  169. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  170. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  171. PMSM_FOC_Conf_PID();
  172. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  173. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  174. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  175. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  176. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  177. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  178. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  179. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  180. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  181. if (!g_focinit) {
  182. PMSM_FOC_UserInit();
  183. PMSM_FOC_RT_LimInit();
  184. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  185. g_focinit = true;
  186. }
  187. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  188. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  189. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  190. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  191. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  192. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  193. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  194. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  195. gFoc_Ctrl.out.f_vdqRation = 0;
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  199. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  200. PMSM_FOC_Reset_PID();
  201. #ifdef CONFIG_SMO_OBSERVER
  202. smo_observer_init(CONFIG_SMO_PLL_BANDWITH, CONFIG_SMO_LFP_WC, CONFIG_SMO_GAIN_K, CONFIG_SMO_SIGMOID_MAX);
  203. #endif
  204. gFoc_Ctrl.plot_type = Plot_SMO_OBS;
  205. }
  206. //#define PHASE_LFP_FIR
  207. //#define PHASE_LFP
  208. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  209. AB_t iAB;
  210. #ifdef PHASE_LFP
  211. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  212. #elif defined PHASE_LFP_FIR
  213. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  214. #else
  215. float *iabc = gFoc_Ctrl.in.s_iABC;
  216. #endif
  217. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  218. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  219. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  220. }else {
  221. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  222. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  223. }
  224. #ifdef CONFIG_DQ_STEP_RESPONSE
  225. gFoc_Ctrl.in.s_hallAngle = 0;
  226. gFoc_Ctrl.in.s_motAngle = 0;
  227. #endif
  228. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  229. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  230. //sample current
  231. phase_current_get(gFoc_Ctrl.in.s_iABC);
  232. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  233. #ifdef PHASE_LFP
  234. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  235. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  236. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  237. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  238. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  239. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  240. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  241. #elif defined PHASE_LFP_FIR
  242. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  243. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  244. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  245. #endif
  246. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  247. #ifdef CONFIG_SMO_OBSERVER
  248. gFoc_Ctrl.in.s_smoAngle = smo_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  249. #endif
  250. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  251. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  252. }
  253. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  254. /* update id pi ctrl */
  255. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  256. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  257. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  258. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  259. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  260. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  261. }
  262. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  263. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  264. }
  265. /* update iq pi ctrl */
  266. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  267. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  268. }
  269. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  270. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  271. }
  272. }
  273. #ifdef CONFIG_DQ_STEP_RESPONSE
  274. float target_d = 0.0f;
  275. float target_q = 0.0f;
  276. #endif
  277. static u32 PMSM_FOC_Debug_Task(void *p) {
  278. if (gFoc_Ctrl.in.b_motEnable) {
  279. #ifdef CONFIG_DQ_STEP_RESPONSE
  280. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  281. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  282. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  283. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  284. }
  285. #else
  286. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  287. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  288. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  289. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  290. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  291. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  292. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  293. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  294. }
  295. #endif
  296. }
  297. return 1;
  298. }
  299. void PMSM_FOC_Schedule(void) {
  300. gFoc_Ctrl.ctrl_count++;
  301. PMSM_FOC_Update_Hardware();
  302. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  303. PMSM_FOC_Update_PI_Idq();
  304. #ifndef CONFIG_DQ_STEP_RESPONSE
  305. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  306. #endif
  307. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  308. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  309. #ifndef CONFIG_DQ_STEP_RESPONSE
  310. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  311. #endif
  312. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  313. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  314. }else {
  315. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  316. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  317. }
  318. 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);
  319. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  320. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  321. phase_current_point(&gFoc_Ctrl.out);
  322. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  323. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  324. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  325. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  326. if (gFoc_Ctrl.plot_type != Plot_None) {
  327. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  328. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  329. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  330. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  331. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  332. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  333. #ifdef CONFIG_SMO_OBSERVER
  334. float delta = gFoc_Ctrl.in.s_smoAngle - gFoc_Ctrl.in.s_hallAngle;
  335. if (delta > 180) {
  336. delta -= 360;
  337. }else if (delta < -180) {
  338. delta += 360;
  339. }
  340. plot_3data16(gFoc_Ctrl.in.s_hallAngle, gFoc_Ctrl.in.s_smoAngle, delta);
  341. #endif
  342. }
  343. }
  344. }
  345. }
  346. void PMSM_FOC_LogDebug(void) {
  347. }
  348. /*called in media task */
  349. u8 PMSM_FOC_CtrlMode(void) {
  350. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  351. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  352. gFoc_Ctrl.in.b_cruiseEna = false;
  353. }
  354. if (!gFoc_Ctrl.in.b_motEnable) {
  355. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  356. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  357. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  358. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  359. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  360. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  361. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  362. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  363. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  364. }else {
  365. if (!gFoc_Ctrl.in.b_cruiseEna) {
  366. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  367. }
  368. }
  369. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  370. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  371. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  372. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  373. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  374. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  375. target_troque = PMSM_FOC_Get_Real_Torque();
  376. }
  377. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  378. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  379. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  380. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  381. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  382. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  383. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  384. }
  385. }
  386. return gFoc_Ctrl.out.n_RunMode;
  387. }
  388. static void crosszero_step_towards(float *value, float target) {
  389. float v_now = *value;
  390. bool cross_zero = false;
  391. if (target > 0) {
  392. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  393. step_towards(value, target, 0.05f);
  394. cross_zero = true;
  395. }
  396. }else if (target == 0) {
  397. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  398. step_towards(value, target, 0.05f);
  399. cross_zero = true;
  400. }
  401. }else {
  402. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  403. step_towards(value, target, 0.02f);
  404. cross_zero = true;
  405. }
  406. }
  407. if (!cross_zero) {
  408. *value = target;
  409. }
  410. }
  411. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  412. static __INLINE void PMSM_FOC_FieldWeak(void) {
  413. if (!gFoc_Ctrl.in.b_fwEnable) {
  414. return;
  415. }
  416. }
  417. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  418. #if 1
  419. PI_Ctrl_Power.max = maxTrq;
  420. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  421. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  422. #else
  423. return maxTrq;
  424. #endif
  425. }
  426. static __INLINE void PMSM_FOC_idq_Assign(void) {
  427. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  428. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  429. float s, c;
  430. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  431. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  432. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  433. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  434. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  435. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  436. }
  437. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  438. }else {
  439. gFoc_Ctrl.in.s_targetIdq.d = 0;
  440. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  441. }
  442. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  443. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  444. PMSM_FOC_FieldWeak();
  445. }
  446. u32 mask = cpu_enter_critical();
  447. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  448. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  449. cpu_exit_critical(mask);
  450. }
  451. /*called in media task */
  452. void PMSM_FOC_idqCalc(void) {
  453. if (gFoc_Ctrl.in.b_AutoHold) {
  454. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  455. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  456. float vel_count = motor_encoder_get_vel_count();
  457. float errRef = 0 - vel_count;
  458. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  459. PMSM_FOC_idq_Assign();
  460. return;
  461. }
  462. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  463. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  464. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  465. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  466. gFoc_Ctrl.in.s_targetCurrent = 0;
  467. }
  468. }
  469. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  470. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  471. if (refTorque >= 0) {
  472. gFoc_Ctrl.pi_torque->max = refTorque;
  473. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_CURRENT;
  474. }else {
  475. gFoc_Ctrl.pi_torque->min = refTorque;
  476. gFoc_Ctrl.pi_torque->max = 0;
  477. }
  478. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  479. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  480. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  481. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  482. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  483. float maxSpeed = eCtrl_get_FinalSpeed();
  484. float refSpeed = eCtrl_get_RefSpeed();
  485. if (gFoc_Ctrl.in.b_cruiseEna) {
  486. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  487. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  488. }
  489. if (maxSpeed >= 0) {
  490. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  491. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_CURRENT;
  492. }else if (maxSpeed < 0) {
  493. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  494. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_CURRENT;
  495. }
  496. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  497. gFoc_Ctrl.pi_speed->max = 0;
  498. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  499. }
  500. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  501. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  502. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  503. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  504. }
  505. PMSM_FOC_idq_Assign();
  506. }
  507. void PMSM_FOC_RunTime_Limit(void) {
  508. float dclim = (float)vbus_current_vol_lower_limit();
  509. float phaselim = (float)phase_current_temp_high_limit();
  510. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.hwLim.s_iDCMax;
  511. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  512. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  513. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  514. }
  515. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  516. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  517. }
  518. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  519. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  520. }
  521. void PMSM_FOC_Slow_Task(void) {
  522. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  523. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  524. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  525. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  526. PMSM_FOC_idqCalc();
  527. }
  528. float PMSM_FOC_Get_Real_Torque(void) {
  529. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  530. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  531. }
  532. return gFoc_Ctrl.out.s_RealCurrent;
  533. }
  534. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  535. return &gFoc_Ctrl;
  536. }
  537. void PMSM_FOC_Start(u8 nCtrlMode) {
  538. if (gFoc_Ctrl.in.b_motEnable) {
  539. return;
  540. }
  541. PMSM_FOC_CoreInit();
  542. eCtrl_Reset();
  543. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  544. gFoc_Ctrl.in.b_motEnable = true;
  545. }
  546. void PMSM_FOC_Stop(void) {
  547. if (!gFoc_Ctrl.in.b_motEnable) {
  548. return;
  549. }
  550. PMSM_FOC_CoreInit();
  551. gFoc_Ctrl.in.b_motEnable = false;
  552. }
  553. bool PMSM_FOC_Is_Start(void) {
  554. return gFoc_Ctrl.in.b_motEnable;
  555. }
  556. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  557. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  558. if (ibusLimit > minCurr) {
  559. ibusLimit = minCurr;
  560. }
  561. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  562. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  563. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  564. }else {
  565. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  566. }
  567. }
  568. float PMSM_FOC_GetDCCurrLimit(void) {
  569. return gFoc_Ctrl.userLim.s_iDCLim;
  570. }
  571. void PMSM_FOC_SpeedLimit(float speedLimit) {
  572. PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  573. }
  574. void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
  575. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  576. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  577. }
  578. bool need_reset = false;
  579. if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
  580. need_reset = true;
  581. }
  582. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  583. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
  584. if (need_reset) {
  585. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
  586. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
  587. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
  588. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
  589. }
  590. }
  591. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
  592. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  593. }else {
  594. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  595. }
  596. }
  597. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  598. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  599. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  600. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  601. }
  602. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  603. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  604. }
  605. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  606. if (gFoc_Ctrl.in.s_motRPM == 0) {
  607. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  608. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  609. }else {
  610. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  611. }
  612. }
  613. float PMSM_FOC_GetSpeedLimit(void) {
  614. return gFoc_Ctrl.userLim.s_motRPMLim;
  615. }
  616. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  617. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  618. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  619. }
  620. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  621. }
  622. float PMSM_FOC_GetTorqueLimit(void) {
  623. return gFoc_Ctrl.userLim.s_torqueLim;
  624. }
  625. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  626. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  627. }
  628. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  629. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  630. }
  631. float PMSM_FOC_GetVbusVoltage(void) {
  632. return gFoc_Ctrl.in.s_vDC;
  633. }
  634. float PMSM_FOC_GetVbusCurrent(void) {
  635. return gFoc_Ctrl.out.s_FilteriDC;
  636. }
  637. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  638. return &gFoc_Ctrl.out.s_RealIdq;
  639. }
  640. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  641. if (mode > CTRL_MODE_CURRENT_BRK) {
  642. PMSM_FOC_SetErrCode(FOC_Param_Err);
  643. return false;
  644. }
  645. gFoc_Ctrl.in.n_ctlMode = mode;
  646. return true;
  647. }
  648. u8 PMSM_FOC_GetCtrlMode(void) {
  649. return gFoc_Ctrl.in.n_ctlMode;
  650. }
  651. void PMSM_FOC_PhaseCurrLim(float lim) {
  652. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  653. if (lim > minCurr) {
  654. lim = minCurr;
  655. }
  656. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  657. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  658. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
  659. }else {
  660. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  661. }
  662. }
  663. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  664. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  665. if (lim > minCurr) {
  666. lim = minCurr;
  667. }
  668. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  669. }
  670. float PMSM_FOC_GetPhaseCurrLim(void) {
  671. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  672. }
  673. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  674. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  675. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  676. }
  677. bool PMSM_FOC_EnableCruise(bool enable) {
  678. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  679. float motSpd = PMSM_FOC_GetSpeed();
  680. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  681. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  682. return false;
  683. }
  684. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  685. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  686. gFoc_Ctrl.in.b_cruiseEna = enable;
  687. }
  688. return true;
  689. }
  690. bool PMSM_FOC_Is_CruiseEnabled(void) {
  691. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  692. }
  693. bool PMSM_FOC_Set_Speed(float rpm) {
  694. if (gFoc_Ctrl.in.b_cruiseEna) {
  695. return false;
  696. }
  697. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  698. return true;
  699. }
  700. #if 0
  701. bool PMSM_FOC_Set_epmMode(bool epm) {
  702. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  703. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  704. return false;
  705. }
  706. if (gFoc_Ctrl.in.b_epmMode != epm) {
  707. if (PMSM_FOC_GetSpeed() != 0.0f) {
  708. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  709. return false;
  710. }
  711. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  712. gFoc_Ctrl.in.b_epmMode = epm;
  713. if (epm) {
  714. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  715. eCtrl_set_TgtSpeed(0);
  716. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  717. }else {
  718. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  719. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  720. }
  721. }
  722. return true;
  723. }
  724. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  725. if (!gFoc_Ctrl.in.b_epmMode) {
  726. return false;
  727. }
  728. if (move) {
  729. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  730. return false;
  731. }
  732. gFoc_Ctrl.in.epmDirection = dir;
  733. }else {
  734. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  735. }
  736. return true;
  737. }
  738. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  739. return gFoc_Ctrl.in.epmDirection;
  740. }
  741. #endif
  742. bool PMSM_FOC_Set_Current(float is) {
  743. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  744. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  745. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  746. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  747. }
  748. eCtrl_set_TgtCurrent(is);
  749. return true;
  750. }
  751. bool PMSM_FOC_Set_Torque(float trq) {
  752. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  753. trq = gFoc_Ctrl.userLim.s_torqueLim;
  754. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  755. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  756. }
  757. eCtrl_set_TgtTorque(trq);
  758. return true;
  759. }
  760. void PMSM_FOC_Reset_Torque(void) {
  761. float real_trq = PMSM_FOC_Get_Real_Torque();
  762. eCtrl_reset_Torque(real_trq);
  763. }
  764. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  765. if (PMSM_FOC_Is_CruiseEnabled()) {
  766. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  767. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  768. return false;
  769. }
  770. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  771. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  772. return true;
  773. }
  774. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  775. return false;
  776. }
  777. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  778. if (enable) {
  779. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  780. gFoc_Ctrl.in.s_manualAngle = 0;
  781. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  782. }else {
  783. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  784. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  785. }
  786. }
  787. void PMSM_FOC_Set_Angle(float angle) {
  788. gFoc_Ctrl.in.s_manualAngle = (angle);
  789. }
  790. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  791. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  792. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  793. }
  794. float PMSM_FOC_GetSpeed(void) {
  795. return gFoc_Ctrl.in.s_motRPM;
  796. }
  797. void PMSM_FOC_AutoHold(bool lock) {
  798. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  799. motor_encoder_lock_pos(lock);
  800. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  801. if (!lock) {
  802. //解锁后为了防止倒溜,需要把当前
  803. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  804. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  805. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  806. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  807. }
  808. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  809. }
  810. gFoc_Ctrl.in.b_AutoHold = lock;
  811. }
  812. }
  813. bool PMSM_FOC_AutoHoldding(void) {
  814. return gFoc_Ctrl.in.b_AutoHold;
  815. }
  816. static PI_Controller *_pid(u8 id) {
  817. PI_Controller *pi = NULL;
  818. if (id == PID_D_id) {
  819. pi = gFoc_Ctrl.pi_id;
  820. }else if (id == PID_Q_id) {
  821. pi = gFoc_Ctrl.pi_iq;
  822. }else if (id == PID_TRQ_id) {
  823. pi = gFoc_Ctrl.pi_torque;
  824. }else if (id == PID_Spd_id) {
  825. pi = gFoc_Ctrl.pi_speed;
  826. }
  827. return pi;
  828. }
  829. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  830. if (id > PID_Max_id) {
  831. return;
  832. }
  833. PI_Controller *pi = _pid(id);
  834. if (pi != NULL) {
  835. pi->kp = kp;
  836. pi->ki = ki;
  837. pi->kb = kb;
  838. }
  839. }
  840. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  841. if (id > PID_Max_id) {
  842. return;
  843. }
  844. PI_Controller *pi = _pid(id);
  845. if (pi != NULL) {
  846. *kp = pi->kp;
  847. *ki = pi->ki;
  848. *kb = pi->kb;
  849. }
  850. }
  851. void PMSM_FOC_SetErrCode(u8 error) {
  852. if (gFoc_Ctrl.out.n_Error != error) {
  853. gFoc_Ctrl.out.n_Error = error;
  854. }
  855. }
  856. u8 PMSM_FOC_GetErrCode(void) {
  857. return gFoc_Ctrl.out.n_Error;
  858. }
  859. void PMSM_FOC_SetCriticalError(u8 err) {
  860. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  861. }
  862. void PMSM_FOC_ClrCriticalError(u8 err) {
  863. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  864. }
  865. u32 PMSM_FOC_GetCriticalError(void) {
  866. return gFoc_Ctrl.out.n_CritiCalErrMask;
  867. }
  868. void PMSM_FOC_Set_PlotType(Plot_t t) {
  869. gFoc_Ctrl.plot_type = t;
  870. }
  871. //获取母线电流和实际输出电流矢量大小
  872. void PMSM_FOC_Calc_Current(void) {
  873. #ifdef NO_SAMPLE_IDC
  874. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  875. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  876. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  877. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  878. /*
  879. 根据公式(等幅值变换,功率不等):
  880. iDC x vDC = 2/3(iq x vq + id x vd);
  881. */
  882. float m_pow = (vd * id + vq * iq); //s32q10
  883. float id_thr = ABS(id);
  884. if (id_thr >= 100.0f) {
  885. id_thr = 100.0f;
  886. }
  887. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  888. #else
  889. float raw_idc = get_vbus_current();
  890. #endif
  891. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  892. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  893. }
  894. void PMSM_FOC_Brake(bool brake) {
  895. gFoc_Ctrl.in.b_eBrake = brake;
  896. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  897. gFoc_Ctrl.in.b_cruiseEna = false;
  898. }
  899. eCtrl_brake_signal(brake);
  900. }