PMSM_FOC_Core.c 30 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. }
  72. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  73. if (++c->n_StepCount == c->n_CtrlCount) {
  74. c->s_Cp += c->s_Step;
  75. if (c->s_Step < 0) {
  76. if (c->s_Cp < c->s_FinalTgt) {
  77. c->s_Cp = c->s_FinalTgt;
  78. }
  79. }else {
  80. if (c->s_Cp > c->s_FinalTgt) {
  81. c->s_Cp = c->s_FinalTgt;
  82. }
  83. }
  84. c->n_StepCount = 0;
  85. }
  86. return c->s_Cp;
  87. }
  88. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  89. c->n_CtrlCount = count;
  90. c->n_StepCount = 0;
  91. c->s_Cp = 0;
  92. c->s_FinalTgt = 0;
  93. c->s_Step = 0;
  94. }
  95. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  96. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  97. }
  98. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  99. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  100. }
  101. static void PMSM_FOC_Reset_PID(void) {
  102. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  103. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  104. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  109. }
  110. static void PMSM_FOC_Conf_PID(void) {
  111. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  112. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  113. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  114. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  115. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  116. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  117. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  118. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  119. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  120. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  121. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  122. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  123. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  124. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  125. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  126. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  127. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  128. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  129. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  130. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  131. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  132. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  133. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  134. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  135. }
  136. static void PMSM_FOC_UserInit(void) {
  137. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  138. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  139. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  140. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  141. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  142. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  143. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  144. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  145. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  146. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  147. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  148. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  149. }
  150. void PMSM_FOC_RT_LimInit(void) {
  151. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  152. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  153. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  154. }
  155. void PMSM_FOC_CoreInit(void) {
  156. Fir_init(&phase1);
  157. Fir_init(&phase2);
  158. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  159. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  160. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  161. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  162. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  163. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  164. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  165. PMSM_FOC_Conf_PID();
  166. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  167. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  168. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  169. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  170. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  171. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  172. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  173. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  174. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  175. if (!g_focinit) {
  176. PMSM_FOC_UserInit();
  177. PMSM_FOC_RT_LimInit();
  178. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  179. g_focinit = true;
  180. }
  181. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  182. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  183. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  184. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  185. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  186. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  187. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  188. gFoc_Ctrl.out.f_vdqRation = 0;
  189. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  190. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  191. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  192. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  193. PMSM_FOC_Reset_PID();
  194. gFoc_Ctrl.plot_type = Plot_None;
  195. }
  196. //#define PHASE_LFP_FIR
  197. //#define PHASE_LFP
  198. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  199. AB_t vAB;
  200. #ifdef PHASE_LFP
  201. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  202. #elif defined PHASE_LFP_FIR
  203. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  204. #else
  205. float *iabc = gFoc_Ctrl.in.s_iABC;
  206. #endif
  207. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  208. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  209. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  210. }else {
  211. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  212. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  213. }
  214. #ifdef CONFIG_DQ_STEP_RESPONSE
  215. gFoc_Ctrl.in.s_hallAngle = 0;
  216. gFoc_Ctrl.in.s_motAngle = 0;
  217. #endif
  218. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  219. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  220. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  221. //sample current
  222. phase_current_get(gFoc_Ctrl.in.s_iABC);
  223. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  224. gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
  225. gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
  226. gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
  227. Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
  228. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
  229. #ifdef PHASE_LFP
  230. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  231. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  232. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  233. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  234. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  235. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  236. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  237. #elif defined PHASE_LFP_FIR
  238. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  239. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  240. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  241. #endif
  242. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  243. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  244. }
  245. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  246. /* update id pi ctrl */
  247. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  248. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  249. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  250. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  251. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  252. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  253. }
  254. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  255. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  256. }
  257. /* update iq pi ctrl */
  258. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  259. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  260. }
  261. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  262. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  263. }
  264. }
  265. #ifdef CONFIG_DQ_STEP_RESPONSE
  266. float target_d = 0.0f;
  267. float target_q = 0.0f;
  268. #endif
  269. static u32 PMSM_FOC_Debug_Task(void *p) {
  270. if (gFoc_Ctrl.in.b_motEnable) {
  271. #ifdef CONFIG_DQ_STEP_RESPONSE
  272. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  273. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  274. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  275. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  276. }
  277. #else
  278. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  279. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  280. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  281. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  282. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  283. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  284. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  285. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  286. }
  287. #endif
  288. }
  289. return 1;
  290. }
  291. void PMSM_FOC_Schedule(void) {
  292. AB_t vAB;
  293. gFoc_Ctrl.ctrl_count++;
  294. PMSM_FOC_Update_Hardware();
  295. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  296. PMSM_FOC_Update_PI_Idq();
  297. #ifndef CONFIG_DQ_STEP_RESPONSE
  298. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  299. #endif
  300. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  301. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  302. #ifndef CONFIG_DQ_STEP_RESPONSE
  303. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  304. #endif
  305. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  306. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  307. }else {
  308. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  309. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  310. }
  311. 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);
  312. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
  313. SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  314. phase_current_point(&gFoc_Ctrl.out);
  315. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  316. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  317. #ifdef NO_SAMPLE_IDC
  318. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.01f);
  319. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.01f);
  320. #endif
  321. if (gFoc_Ctrl.plot_type != Plot_None) {
  322. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  323. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  324. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  325. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  326. plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_vABC[0]), FtoS16x10(gFoc_Ctrl.in.s_vABC[1]), FtoS16x10(gFoc_Ctrl.in.s_vABC[2]));
  327. }
  328. }
  329. }
  330. }
  331. void PMSM_FOC_LogDebug(void) {
  332. }
  333. /*called in media task */
  334. u8 PMSM_FOC_CtrlMode(void) {
  335. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  336. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  337. gFoc_Ctrl.in.b_cruiseEna = false;
  338. }
  339. if (!gFoc_Ctrl.in.b_motEnable) {
  340. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  341. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  342. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  343. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  344. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  345. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  346. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  347. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  348. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  349. }else {
  350. if (!gFoc_Ctrl.in.b_cruiseEna) {
  351. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  352. }
  353. }
  354. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  355. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  356. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  357. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  358. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  359. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  360. target_troque = PMSM_FOC_Get_Real_Torque();
  361. }
  362. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  363. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  364. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  365. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  366. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  367. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  368. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  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. u32 mask = cpu_enter_critical();
  403. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  404. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  405. cpu_exit_critical(mask);
  406. }
  407. /*called in media task */
  408. void PMSM_FOC_idqCalc(void) {
  409. if (gFoc_Ctrl.in.b_AutoHold) {
  410. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  411. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  412. float vel_count = motor_encoder_get_vel_count();
  413. float errRef = 0 - vel_count;
  414. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  415. PMSM_FOC_idq_Assign();
  416. return;
  417. }
  418. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  419. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  420. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  421. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  422. gFoc_Ctrl.in.s_targetCurrent = 0;
  423. }
  424. }
  425. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  426. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  427. if (refTorque >= 0) {
  428. gFoc_Ctrl.pi_torque->max = refTorque;
  429. gFoc_Ctrl.pi_torque->min = 0;//-gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  430. }else {
  431. gFoc_Ctrl.pi_torque->min = refTorque;
  432. gFoc_Ctrl.pi_torque->max = 0;//gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  433. }
  434. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  435. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  436. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  437. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  438. float maxSpeed = eCtrl_get_FinalSpeed();
  439. float refSpeed = eCtrl_get_RefSpeed();
  440. if (gFoc_Ctrl.in.b_cruiseEna) {
  441. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  442. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  443. }
  444. if (maxSpeed >= 0) {
  445. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  446. gFoc_Ctrl.pi_speed->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  447. }else if (maxSpeed < 0) {
  448. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  449. gFoc_Ctrl.pi_speed->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  450. }
  451. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  452. gFoc_Ctrl.pi_speed->max = 0;
  453. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  454. }
  455. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  456. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  457. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  458. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  459. }
  460. PMSM_FOC_idq_Assign();
  461. }
  462. void PMSM_FOC_RunTime_Limit(void) {
  463. float dclim = (float)vbus_current_vol_lower_limit();
  464. float phaselim = (float)phase_current_temp_high_limit();
  465. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.userLim.s_iDCLim;
  466. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.userLim.s_PhaseCurrLim;
  467. dclim = min(dclim, gFoc_Ctrl.userLim.s_iDCLim);
  468. phaselim = min(phaselim, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  469. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  470. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  471. }
  472. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  473. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  474. }
  475. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  476. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  477. }
  478. void PMSM_FOC_Slow_Task(void) {
  479. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  480. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  481. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  482. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  483. PMSM_FOC_idqCalc();
  484. }
  485. float PMSM_FOC_Get_Real_Torque(void) {
  486. return sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  487. }
  488. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  489. return &gFoc_Ctrl;
  490. }
  491. void PMSM_FOC_Start(u8 nCtrlMode) {
  492. if (gFoc_Ctrl.in.b_motEnable) {
  493. return;
  494. }
  495. PMSM_FOC_CoreInit();
  496. eCtrl_Reset();
  497. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  498. gFoc_Ctrl.in.b_motEnable = true;
  499. }
  500. void PMSM_FOC_Stop(void) {
  501. if (!gFoc_Ctrl.in.b_motEnable) {
  502. return;
  503. }
  504. PMSM_FOC_CoreInit();
  505. gFoc_Ctrl.in.b_motEnable = false;
  506. }
  507. bool PMSM_FOC_Is_Start(void) {
  508. return gFoc_Ctrl.in.b_motEnable;
  509. }
  510. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  511. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  512. if (ibusLimit > minCurr) {
  513. ibusLimit = minCurr;
  514. }
  515. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  516. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  517. }
  518. float PMSM_FOC_GetDCCurrLimit(void) {
  519. return gFoc_Ctrl.userLim.s_iDCLim;
  520. }
  521. void PMSM_FOC_SpeedLimit(float speedLimit) {
  522. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  523. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  524. }
  525. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  526. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  527. }
  528. float PMSM_FOC_GetSpeedLimit(void) {
  529. return gFoc_Ctrl.userLim.s_motRPMLim;
  530. }
  531. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  532. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  533. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  534. }
  535. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  536. }
  537. float PMSM_FOC_GetTorqueLimit(void) {
  538. return gFoc_Ctrl.userLim.s_torqueLim;
  539. }
  540. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  541. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  542. }
  543. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  544. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  545. }
  546. float PMSM_FOC_GetVbusVoltage(void) {
  547. return gFoc_Ctrl.in.s_vDC;
  548. }
  549. float PMSM_FOC_GetVbusCurrent(void) {
  550. return gFoc_Ctrl.out.s_FilteriDC;
  551. }
  552. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  553. return &gFoc_Ctrl.out.s_RealIdq;
  554. }
  555. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  556. if (mode > CTRL_MODE_CURRENT_BRK) {
  557. PMSM_FOC_SetErrCode(FOC_Param_Err);
  558. return false;
  559. }
  560. gFoc_Ctrl.in.n_ctlMode = mode;
  561. return true;
  562. }
  563. u8 PMSM_FOC_GetCtrlMode(void) {
  564. return gFoc_Ctrl.in.n_ctlMode;
  565. }
  566. void PMSM_FOC_PhaseCurrLim(float lim) {
  567. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  568. if (lim > minCurr) {
  569. lim = minCurr;
  570. }
  571. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  572. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  573. }
  574. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  575. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  576. if (lim > minCurr) {
  577. lim = minCurr;
  578. }
  579. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  580. }
  581. float PMSM_FOC_GetPhaseCurrLim(void) {
  582. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  583. }
  584. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  585. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  586. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  587. }
  588. bool PMSM_FOC_EnableCruise(bool enable) {
  589. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  590. float motSpd = PMSM_FOC_GetSpeed();
  591. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  592. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  593. return false;
  594. }
  595. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  596. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  597. gFoc_Ctrl.in.b_cruiseEna = enable;
  598. }
  599. return true;
  600. }
  601. bool PMSM_FOC_Is_CruiseEnabled(void) {
  602. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  603. }
  604. bool PMSM_FOC_Set_Speed(float rpm) {
  605. if (gFoc_Ctrl.in.b_cruiseEna) {
  606. return false;
  607. }
  608. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  609. return true;
  610. }
  611. #if 0
  612. bool PMSM_FOC_Set_epmMode(bool epm) {
  613. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  614. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  615. return false;
  616. }
  617. if (gFoc_Ctrl.in.b_epmMode != epm) {
  618. if (PMSM_FOC_GetSpeed() != 0.0f) {
  619. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  620. return false;
  621. }
  622. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  623. gFoc_Ctrl.in.b_epmMode = epm;
  624. if (epm) {
  625. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  626. eCtrl_set_TgtSpeed(0);
  627. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  628. }else {
  629. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  630. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  631. }
  632. }
  633. return true;
  634. }
  635. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  636. if (!gFoc_Ctrl.in.b_epmMode) {
  637. return false;
  638. }
  639. if (move) {
  640. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  641. return false;
  642. }
  643. gFoc_Ctrl.in.epmDirection = dir;
  644. }else {
  645. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  646. }
  647. return true;
  648. }
  649. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  650. return gFoc_Ctrl.in.epmDirection;
  651. }
  652. #endif
  653. bool PMSM_FOC_Set_Current(float is) {
  654. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  655. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  656. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  657. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  658. }
  659. eCtrl_set_TgtCurrent(is);
  660. return true;
  661. }
  662. bool PMSM_FOC_Set_Torque(float trq) {
  663. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  664. trq = gFoc_Ctrl.userLim.s_torqueLim;
  665. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  666. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  667. }
  668. eCtrl_set_TgtTorque(trq);
  669. return true;
  670. }
  671. void PMSM_FOC_Reset_Torque(void) {
  672. float real_trq = PMSM_FOC_Get_Real_Torque();
  673. eCtrl_reset_Torque(real_trq);
  674. }
  675. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  676. if (PMSM_FOC_Is_CruiseEnabled()) {
  677. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  678. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  679. return false;
  680. }
  681. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  682. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  683. return true;
  684. }
  685. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  686. return false;
  687. }
  688. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  689. if (enable) {
  690. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  691. gFoc_Ctrl.in.s_manualAngle = 0;
  692. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  693. }else {
  694. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  695. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  696. }
  697. }
  698. void PMSM_FOC_Set_Angle(float angle) {
  699. gFoc_Ctrl.in.s_manualAngle = (angle);
  700. }
  701. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  702. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  703. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  704. }
  705. float PMSM_FOC_GetSpeed(void) {
  706. return gFoc_Ctrl.in.s_motRPM;
  707. }
  708. void PMSM_FOC_AutoHold(bool lock) {
  709. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  710. motor_encoder_lock_pos(lock);
  711. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  712. if (!lock) {
  713. //解锁后为了防止倒溜,需要把当前
  714. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  715. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  716. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  717. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  718. }
  719. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  720. }
  721. gFoc_Ctrl.in.b_AutoHold = lock;
  722. }
  723. }
  724. bool PMSM_FOC_AutoHoldding(void) {
  725. return gFoc_Ctrl.in.b_AutoHold;
  726. }
  727. static PI_Controller *_pid(u8 id) {
  728. PI_Controller *pi = NULL;
  729. if (id == PID_D_id) {
  730. pi = gFoc_Ctrl.pi_id;
  731. }else if (id == PID_Q_id) {
  732. pi = gFoc_Ctrl.pi_iq;
  733. }else if (id == PID_TRQ_id) {
  734. pi = gFoc_Ctrl.pi_torque;
  735. }else if (id == PID_Spd_id) {
  736. pi = gFoc_Ctrl.pi_speed;
  737. }
  738. return pi;
  739. }
  740. void PMSM_FOC_SetPid(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. pi->kp = kp;
  747. pi->ki = ki;
  748. pi->kb = kb;
  749. }
  750. }
  751. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  752. if (id > PID_Max_id) {
  753. return;
  754. }
  755. PI_Controller *pi = _pid(id);
  756. if (pi != NULL) {
  757. *kp = pi->kp;
  758. *ki = pi->ki;
  759. *kb = pi->kb;
  760. }
  761. }
  762. void PMSM_FOC_SetErrCode(u8 error) {
  763. if (gFoc_Ctrl.out.n_Error != error) {
  764. gFoc_Ctrl.out.n_Error = error;
  765. }
  766. }
  767. u8 PMSM_FOC_GetErrCode(void) {
  768. return gFoc_Ctrl.out.n_Error;
  769. }
  770. void PMSM_FOC_SetCriticalError(u8 err) {
  771. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  772. }
  773. void PMSM_FOC_ClrCriticalError(u8 err) {
  774. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  775. }
  776. u32 PMSM_FOC_GetCriticalError(void) {
  777. return gFoc_Ctrl.out.n_CritiCalErrMask;
  778. }
  779. void PMSM_FOC_Set_PlotType(Plot_t t) {
  780. gFoc_Ctrl.plot_type = t;
  781. }
  782. //获取母线电流
  783. float PMSM_FOC_Calc_iDC(void) {
  784. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  785. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  786. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  787. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  788. /*
  789. 根据公式(等幅值变换,功率不等):
  790. iDC x vDC = 2/3(iq x vq + id x vd);
  791. */
  792. float m_pow = (vd * id + vq * iq); //s32q10
  793. float id_thr = ABS(id);
  794. if (id_thr >= 100.0f) {
  795. id_thr = 100.0f;
  796. }
  797. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  798. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  799. return gFoc_Ctrl.out.s_FilteriDC;
  800. }
  801. void PMSM_FOC_Brake(bool brake) {
  802. gFoc_Ctrl.in.b_eBrake = brake;
  803. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  804. gFoc_Ctrl.in.b_cruiseEna = false;
  805. }
  806. eCtrl_brake_signal(brake);
  807. }