PMSM_FOC_Core.c 29 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/samples.h"
  12. #include "foc/limit.h"
  13. #include "app/nv_storage.h"
  14. #include "bsp/pwm.h"
  15. #include "libs/logger.h"
  16. #include "math/fir.h"
  17. PMSM_FOC_Ctrl gFoc_Ctrl;
  18. static Fir_t phase1, phase2;
  19. static bool g_focinit = false;
  20. static u32 PMSM_FOC_Debug_Task(void *p);
  21. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  22. float c,s;
  23. #if 0
  24. SinCos_Lut(angle, &s, &c);
  25. #else
  26. s = gFoc_Ctrl.out.sin;
  27. c = gFoc_Ctrl.out.cos;
  28. #endif
  29. alpha_beta->a = dq->d * c - dq->q * s;
  30. alpha_beta->b = dq->d * s + dq->q * c;
  31. }
  32. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  33. alpha_beta->a = A;
  34. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  35. }
  36. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  37. float c,s;
  38. #if 0
  39. SinCos_Lut(angle, &s, &c);
  40. #else
  41. s = gFoc_Ctrl.out.sin;
  42. c = gFoc_Ctrl.out.cos;
  43. #endif
  44. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  45. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  46. }
  47. #define VD_PRIO_HIGH
  48. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  49. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  50. float vDC_m = vDC * module;
  51. float sq_vDC = vDC_m * vDC_m;
  52. if (sq_vdq > sq_vDC) {
  53. #ifdef VD_PRIO_HIGH
  54. out->d = vdq->d;
  55. out->q = sqrtf(sq_vDC - out->d*out->d);
  56. #else
  57. float r = sqrtf(sq_vDC / sq_vdq);
  58. out->d = vdq->d * r;
  59. out->q = vdq->q * r;
  60. #endif
  61. }else {
  62. out->d = vdq->d;
  63. out->q = vdq->q;
  64. }
  65. return sqrtf(sq_vdq/sq_vDC);
  66. }
  67. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  68. float cp = c->s_Cp;
  69. c->s_FinalTgt = target;
  70. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  71. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  72. if (c->s_FinalTgt - cp > 0) {
  73. c->s_Step = 0.001;
  74. }else if (c->s_FinalTgt - cp < 0){
  75. c->s_Step = -0.001;
  76. }
  77. }
  78. }
  79. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  80. if (++c->n_StepCount == c->n_CtrlCount) {
  81. c->s_Cp += c->s_Step;
  82. if (c->s_Step < 0) {
  83. if (c->s_Cp < c->s_FinalTgt) {
  84. c->s_Cp = c->s_FinalTgt;
  85. }
  86. }else {
  87. if (c->s_Cp > c->s_FinalTgt) {
  88. c->s_Cp = c->s_FinalTgt;
  89. }
  90. }
  91. c->n_StepCount = 0;
  92. }
  93. return c->s_Cp;
  94. }
  95. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  96. c->n_CtrlCount = count;
  97. c->n_StepCount = 0;
  98. c->s_Cp = 0;
  99. c->s_FinalTgt = 0;
  100. c->s_Step = 0;
  101. }
  102. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  103. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  104. }
  105. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  106. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  107. }
  108. static void PMSM_FOC_Reset_PID(void) {
  109. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  110. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  111. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  112. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  113. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  114. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  115. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  116. }
  117. static void PMSM_FOC_Conf_PID(void) {
  118. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  119. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  120. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  121. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  122. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  123. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  124. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  125. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  126. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  127. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  128. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  129. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  130. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  131. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  132. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  133. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  134. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  135. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  136. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  137. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  138. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  139. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  140. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  141. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  142. }
  143. static void PMSM_FOC_UserInit(void) {
  144. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  145. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  146. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  147. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  148. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  149. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  150. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  151. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  152. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  153. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  154. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  155. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  156. }
  157. void PMSM_FOC_RT_LimInit(void) {
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  160. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  161. }
  162. void PMSM_FOC_CoreInit(void) {
  163. Fir_init(&phase1);
  164. Fir_init(&phase2);
  165. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  166. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  167. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  168. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  169. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  170. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  171. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  172. PMSM_FOC_Conf_PID();
  173. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  174. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  175. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  176. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  177. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  178. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  179. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  180. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  181. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  182. if (!g_focinit) {
  183. PMSM_FOC_UserInit();
  184. PMSM_FOC_RT_LimInit();
  185. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  186. g_focinit = true;
  187. }
  188. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  189. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  190. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  191. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  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. gFoc_Ctrl.plot_type = Plot_None;
  202. }
  203. //#define PHASE_LFP_FIR
  204. //#define PHASE_LFP
  205. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  206. AB_t vAB;
  207. #ifdef PHASE_LFP
  208. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  209. #elif defined PHASE_LFP_FIR
  210. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  211. #else
  212. float *iabc = gFoc_Ctrl.in.s_iABC;
  213. #endif
  214. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  215. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  216. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  217. }else {
  218. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  219. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  220. }
  221. #ifdef CONFIG_DQ_STEP_RESPONSE
  222. gFoc_Ctrl.in.s_hallAngle = 0;
  223. gFoc_Ctrl.in.s_motAngle = 0;
  224. #endif
  225. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  226. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  227. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  228. //sample current
  229. phase_current_get(gFoc_Ctrl.in.s_iABC);
  230. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  231. gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
  232. gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
  233. gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
  234. Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
  235. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
  236. #ifdef PHASE_LFP
  237. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  238. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  239. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  240. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  241. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  242. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  243. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  244. #elif defined PHASE_LFP_FIR
  245. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  246. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  247. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  248. #endif
  249. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  250. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  251. }
  252. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  253. /* update id pi ctrl */
  254. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  255. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  256. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  257. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  258. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  259. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  260. }
  261. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  262. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  263. }
  264. /* update iq pi ctrl */
  265. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  266. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  267. }
  268. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  269. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  270. }
  271. }
  272. #ifdef CONFIG_DQ_STEP_RESPONSE
  273. float target_d = 0.0f;
  274. float target_q = 0.0f;
  275. #endif
  276. static u32 PMSM_FOC_Debug_Task(void *p) {
  277. if (gFoc_Ctrl.in.b_motEnable) {
  278. #ifdef CONFIG_DQ_STEP_RESPONSE
  279. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  280. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  281. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  282. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  283. }
  284. #else
  285. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  286. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  287. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  288. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  289. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  290. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  291. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  292. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  293. }
  294. #endif
  295. }
  296. return 1;
  297. }
  298. void PMSM_FOC_Schedule(void) {
  299. AB_t vAB;
  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, &vAB);
  320. SVM_Duty_Fix(&vAB, 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. if (gFoc_Ctrl.plot_type != Plot_None) {
  325. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  326. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  327. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  328. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  329. plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_vABC[0]), FtoS16x10(gFoc_Ctrl.in.s_vABC[1]), FtoS16x10(gFoc_Ctrl.in.s_vABC[2]));
  330. }
  331. }
  332. }
  333. }
  334. void PMSM_FOC_LogDebug(void) {
  335. }
  336. /*called in media task */
  337. u8 PMSM_FOC_CtrlMode(void) {
  338. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  339. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  340. gFoc_Ctrl.in.b_cruiseEna = false;
  341. }
  342. if (!gFoc_Ctrl.in.b_motEnable) {
  343. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  344. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  345. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  346. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  347. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  348. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  349. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  350. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  351. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  352. }else {
  353. if (!gFoc_Ctrl.in.b_cruiseEna) {
  354. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  355. }
  356. }
  357. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  358. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  359. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  360. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  361. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  362. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  363. target_troque = sqrtf(SQ(gFoc_Ctrl.out.s_RealIdq.d) + SQ(gFoc_Ctrl.out.s_RealIdq.q)) * 1.05f;
  364. }
  365. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  366. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  367. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  368. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  369. }
  370. }
  371. return gFoc_Ctrl.out.n_RunMode;
  372. }
  373. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  374. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  375. #if 1
  376. PI_Ctrl_Power.max = maxTrq;
  377. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  378. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  379. #else
  380. return maxTrq;
  381. #endif
  382. }
  383. static __INLINE void PMSM_FOC_idq_Assign(void) {
  384. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  385. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  386. float s, c;
  387. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  388. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  389. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  390. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  391. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  392. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  393. }
  394. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  395. }else {
  396. gFoc_Ctrl.in.s_targetIdq.d = 0;
  397. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  398. }
  399. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  400. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  401. }
  402. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  403. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  404. }
  405. /*called in media task */
  406. void PMSM_FOC_idqCalc(void) {
  407. if (gFoc_Ctrl.in.b_AutoHold) {
  408. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  409. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  410. float vel_count = motor_encoder_get_vel_count();
  411. float errRef = 0 - vel_count;
  412. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  413. PMSM_FOC_idq_Assign();
  414. return;
  415. }
  416. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  417. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  418. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  419. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  420. gFoc_Ctrl.in.s_targetCurrent = 0;
  421. }
  422. }
  423. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  424. float refTorque = min(eCtrl_get_FinalTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  425. if (refTorque >= 0) {
  426. gFoc_Ctrl.pi_torque->max = refTorque;
  427. gFoc_Ctrl.pi_torque->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  428. }else {
  429. gFoc_Ctrl.pi_torque->min = refTorque;
  430. gFoc_Ctrl.pi_torque->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  431. }
  432. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  433. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  434. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  435. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  436. float maxSpeed = eCtrl_get_FinalSpeed();
  437. float refSpeed = eCtrl_get_RefSpeed();
  438. if (gFoc_Ctrl.in.b_cruiseEna) {
  439. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  440. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  441. }
  442. if (maxSpeed >= 0) {
  443. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  444. gFoc_Ctrl.pi_speed->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  445. }else if (maxSpeed < 0) {
  446. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  447. gFoc_Ctrl.pi_speed->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  448. }
  449. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  450. gFoc_Ctrl.pi_speed->max = 0;
  451. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  452. }
  453. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  454. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  455. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  456. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  457. }
  458. PMSM_FOC_idq_Assign();
  459. }
  460. void PMSM_FOC_RunTime_Limit(void) {
  461. float dclim = (float)vbus_current_vol_lower_limit();
  462. float phaselim = (float)phase_current_temp_high_limit();
  463. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.userLim.s_iDCLim;
  464. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.userLim.s_PhaseCurrLim;
  465. dclim = min(dclim, gFoc_Ctrl.userLim.s_iDCLim);
  466. phaselim = min(phaselim, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  467. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  468. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  469. }
  470. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  471. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  472. }
  473. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  474. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  475. }
  476. void PMSM_FOC_Slow_Task(void) {
  477. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  478. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  479. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  480. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  481. PMSM_FOC_idqCalc();
  482. }
  483. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  484. return &gFoc_Ctrl;
  485. }
  486. void PMSM_FOC_Start(u8 nCtrlMode) {
  487. if (gFoc_Ctrl.in.b_motEnable) {
  488. return;
  489. }
  490. PMSM_FOC_CoreInit();
  491. eCtrl_Reset();
  492. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  493. gFoc_Ctrl.in.b_motEnable = true;
  494. }
  495. void PMSM_FOC_Stop(void) {
  496. if (!gFoc_Ctrl.in.b_motEnable) {
  497. return;
  498. }
  499. PMSM_FOC_CoreInit();
  500. gFoc_Ctrl.in.b_motEnable = false;
  501. }
  502. bool PMSM_FOC_Is_Start(void) {
  503. return gFoc_Ctrl.in.b_motEnable;
  504. }
  505. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  506. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  507. if (ibusLimit > minCurr) {
  508. ibusLimit = minCurr;
  509. }
  510. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  511. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  512. }
  513. float PMSM_FOC_GetDCCurrLimit(void) {
  514. return gFoc_Ctrl.userLim.s_iDCLim;
  515. }
  516. void PMSM_FOC_SpeedLimit(float speedLimit) {
  517. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  518. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  519. }
  520. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  521. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  522. }
  523. float PMSM_FOC_GetSpeedLimit(void) {
  524. return gFoc_Ctrl.userLim.s_motRPMLim;
  525. }
  526. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  527. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  528. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  529. }
  530. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  531. }
  532. float PMSM_FOC_GetTorqueLimit(void) {
  533. return gFoc_Ctrl.userLim.s_torqueLim;
  534. }
  535. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  536. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  537. }
  538. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  539. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  540. }
  541. float PMSM_FOC_GetVbusVoltage(void) {
  542. return gFoc_Ctrl.in.s_vDC;
  543. }
  544. float PMSM_FOC_GetVbusCurrent(void) {
  545. return gFoc_Ctrl.out.s_FilteriDC;
  546. }
  547. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  548. return &gFoc_Ctrl.out.s_RealIdq;
  549. }
  550. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  551. if (mode > CTRL_MODE_CURRENT_BRK) {
  552. PMSM_FOC_SetErrCode(FOC_Param_Err);
  553. return false;
  554. }
  555. gFoc_Ctrl.in.n_ctlMode = mode;
  556. return true;
  557. }
  558. u8 PMSM_FOC_GetCtrlMode(void) {
  559. return gFoc_Ctrl.in.n_ctlMode;
  560. }
  561. void PMSM_FOC_PhaseCurrLim(float lim) {
  562. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  563. if (lim > minCurr) {
  564. lim = minCurr;
  565. }
  566. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  567. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  568. }
  569. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  570. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  571. if (lim > minCurr) {
  572. lim = minCurr;
  573. }
  574. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  575. }
  576. float PMSM_FOC_GetPhaseCurrLim(void) {
  577. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  578. }
  579. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  580. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  581. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  582. }
  583. bool PMSM_FOC_EnableCruise(bool enable) {
  584. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  585. float motSpd = PMSM_FOC_GetSpeed();
  586. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  587. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  588. return false;
  589. }
  590. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  591. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  592. gFoc_Ctrl.in.b_cruiseEna = enable;
  593. }
  594. return true;
  595. }
  596. bool PMSM_FOC_Is_CruiseEnabled(void) {
  597. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  598. }
  599. bool PMSM_FOC_Set_Speed(float rpm) {
  600. if (gFoc_Ctrl.in.b_cruiseEna) {
  601. return false;
  602. }
  603. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  604. return true;
  605. }
  606. #if 0
  607. bool PMSM_FOC_Set_epmMode(bool epm) {
  608. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  609. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  610. return false;
  611. }
  612. if (gFoc_Ctrl.in.b_epmMode != epm) {
  613. if (PMSM_FOC_GetSpeed() != 0.0f) {
  614. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  615. return false;
  616. }
  617. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  618. gFoc_Ctrl.in.b_epmMode = epm;
  619. if (epm) {
  620. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  621. eCtrl_set_TgtSpeed(0);
  622. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  623. }else {
  624. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  625. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  626. }
  627. }
  628. return true;
  629. }
  630. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  631. if (!gFoc_Ctrl.in.b_epmMode) {
  632. return false;
  633. }
  634. if (move) {
  635. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  636. return false;
  637. }
  638. gFoc_Ctrl.in.epmDirection = dir;
  639. }else {
  640. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  641. }
  642. return true;
  643. }
  644. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  645. return gFoc_Ctrl.in.epmDirection;
  646. }
  647. #endif
  648. bool PMSM_FOC_Set_Current(float is) {
  649. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  650. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  651. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  652. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  653. }
  654. eCtrl_set_TgtCurrent(is);
  655. return true;
  656. }
  657. bool PMSM_FOC_Set_Torque(float trq) {
  658. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  659. trq = gFoc_Ctrl.userLim.s_torqueLim;
  660. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  661. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  662. }
  663. eCtrl_set_TgtTorque(trq);
  664. return true;
  665. }
  666. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  667. if (PMSM_FOC_Is_CruiseEnabled()) {
  668. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  669. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  670. return false;
  671. }
  672. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  673. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  674. return true;
  675. }
  676. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  677. return false;
  678. }
  679. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  680. if (enable) {
  681. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  682. gFoc_Ctrl.in.s_manualAngle = 0;
  683. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  684. }else {
  685. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  686. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  687. }
  688. }
  689. void PMSM_FOC_Set_Angle(float angle) {
  690. gFoc_Ctrl.in.s_manualAngle = (angle);
  691. }
  692. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  693. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  694. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  695. }
  696. float PMSM_FOC_GetSpeed(void) {
  697. return gFoc_Ctrl.in.s_motRPM;
  698. }
  699. void PMSM_FOC_AutoHold(bool lock) {
  700. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  701. motor_encoder_lock_pos(lock);
  702. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  703. if (!lock) {
  704. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  705. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  706. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  707. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  708. }
  709. }
  710. gFoc_Ctrl.in.b_AutoHold = lock;
  711. }
  712. }
  713. bool PMSM_FOC_AutoHoldding(void) {
  714. return gFoc_Ctrl.in.b_AutoHold;
  715. }
  716. static PI_Controller *_pid(u8 id) {
  717. PI_Controller *pi = NULL;
  718. if (id == PID_D_id) {
  719. pi = gFoc_Ctrl.pi_id;
  720. }else if (id == PID_Q_id) {
  721. pi = gFoc_Ctrl.pi_iq;
  722. }else if (id == PID_TRQ_id) {
  723. pi = gFoc_Ctrl.pi_torque;
  724. }else if (id == PID_Spd_id) {
  725. pi = gFoc_Ctrl.pi_speed;
  726. }
  727. return pi;
  728. }
  729. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  730. if (id > PID_Max_id) {
  731. return;
  732. }
  733. PI_Controller *pi = _pid(id);
  734. if (pi != NULL) {
  735. pi->kp = kp;
  736. pi->ki = ki;
  737. pi->kb = kb;
  738. }
  739. }
  740. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  741. if (id > PID_Max_id) {
  742. return;
  743. }
  744. PI_Controller *pi = _pid(id);
  745. if (pi != NULL) {
  746. *kp = pi->kp;
  747. *ki = pi->ki;
  748. *kb = pi->kb;
  749. }
  750. }
  751. void PMSM_FOC_SetErrCode(u8 error) {
  752. if (gFoc_Ctrl.out.n_Error != error) {
  753. gFoc_Ctrl.out.n_Error = error;
  754. }
  755. }
  756. u8 PMSM_FOC_GetErrCode(void) {
  757. return gFoc_Ctrl.out.n_Error;
  758. }
  759. void PMSM_FOC_SetCriticalError(u8 err) {
  760. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  761. }
  762. void PMSM_FOC_ClrCriticalError(u8 err) {
  763. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  764. }
  765. u32 PMSM_FOC_GetCriticalError(void) {
  766. return gFoc_Ctrl.out.n_CritiCalErrMask;
  767. }
  768. void PMSM_FOC_Set_PlotType(Plot_t t) {
  769. gFoc_Ctrl.plot_type = t;
  770. }
  771. //获取母线电流
  772. float PMSM_FOC_Calc_iDC(void) {
  773. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  774. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  775. #ifdef NO_SAMPLE_IDC
  776. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.01f);
  777. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.01f);
  778. #endif
  779. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  780. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  781. /*
  782. 根据公式(等幅值变换,功率不等):
  783. iDC x vDC = 2/3(iq x vq + id x vd);
  784. */
  785. float m_pow = (vd * id + vq * iq); //s32q10
  786. float id_thr = ABS(id);
  787. if (id_thr >= 100.0f) {
  788. id_thr = 100.0f;
  789. }
  790. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  791. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  792. return gFoc_Ctrl.out.s_FilteriDC;
  793. }
  794. void PMSM_FOC_Brake(bool brake) {
  795. gFoc_Ctrl.in.b_eBrake = brake;
  796. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  797. gFoc_Ctrl.in.b_cruiseEna = false;
  798. }
  799. eCtrl_brake_signal(brake);
  800. }