PMSM_FOC_Core.c 31 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. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  136. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  137. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  138. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  139. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  140. }
  141. static void PMSM_FOC_UserInit(void) {
  142. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  143. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  144. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  145. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  146. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  147. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  148. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  149. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  150. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  152. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  153. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  154. }
  155. void PMSM_FOC_RT_LimInit(void) {
  156. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  157. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. }
  160. void PMSM_FOC_CoreInit(void) {
  161. Fir_init(&phase1);
  162. Fir_init(&phase2);
  163. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  164. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  165. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  166. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  167. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  168. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  169. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  170. PMSM_FOC_Conf_PID();
  171. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  172. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  173. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  174. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  175. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  176. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  177. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  178. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  179. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  180. if (!g_focinit) {
  181. PMSM_FOC_UserInit();
  182. PMSM_FOC_RT_LimInit();
  183. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  184. g_focinit = true;
  185. }
  186. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  187. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  188. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  189. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  190. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  191. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  192. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  193. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  194. gFoc_Ctrl.out.f_vdqRation = 0;
  195. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  199. PMSM_FOC_Reset_PID();
  200. gFoc_Ctrl.plot_type = Plot_None;
  201. }
  202. //#define PHASE_LFP_FIR
  203. //#define PHASE_LFP
  204. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  205. AB_t vAB;
  206. #ifdef PHASE_LFP
  207. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  208. #elif defined PHASE_LFP_FIR
  209. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  210. #else
  211. float *iabc = gFoc_Ctrl.in.s_iABC;
  212. #endif
  213. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  214. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  215. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  216. }else {
  217. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  218. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  219. }
  220. #ifdef CONFIG_DQ_STEP_RESPONSE
  221. gFoc_Ctrl.in.s_hallAngle = 0;
  222. gFoc_Ctrl.in.s_motAngle = 0;
  223. #endif
  224. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  225. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  226. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  227. //sample current
  228. phase_current_get(gFoc_Ctrl.in.s_iABC);
  229. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  230. #if 0
  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. #endif
  237. #ifdef PHASE_LFP
  238. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  239. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  240. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  241. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  242. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  243. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  244. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  245. #elif defined PHASE_LFP_FIR
  246. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  247. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  248. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  249. #endif
  250. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  251. Park(&vAB, 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. AB_t vAB;
  301. gFoc_Ctrl.ctrl_count++;
  302. PMSM_FOC_Update_Hardware();
  303. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  304. PMSM_FOC_Update_PI_Idq();
  305. #ifndef CONFIG_DQ_STEP_RESPONSE
  306. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  307. #endif
  308. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  309. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  310. #ifndef CONFIG_DQ_STEP_RESPONSE
  311. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  312. #endif
  313. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  314. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  315. }else {
  316. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  317. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  318. }
  319. 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);
  320. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
  321. SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  322. phase_current_point(&gFoc_Ctrl.out);
  323. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  324. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  325. #ifdef NO_SAMPLE_IDC
  326. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.01f);
  327. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.01f);
  328. #endif
  329. if (gFoc_Ctrl.plot_type != Plot_None) {
  330. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  331. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  332. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  333. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  334. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  335. }
  336. }
  337. }
  338. }
  339. void PMSM_FOC_LogDebug(void) {
  340. }
  341. /*called in media task */
  342. u8 PMSM_FOC_CtrlMode(void) {
  343. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  344. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  345. gFoc_Ctrl.in.b_cruiseEna = false;
  346. }
  347. if (!gFoc_Ctrl.in.b_motEnable) {
  348. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  349. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  350. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  351. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  352. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  353. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  354. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  355. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  356. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  357. }else {
  358. if (!gFoc_Ctrl.in.b_cruiseEna) {
  359. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  360. }
  361. }
  362. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  363. if ((preMode == CTRL_MODE_SPD) && (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_SPD)) {
  366. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  367. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  368. target_troque = PMSM_FOC_Get_Real_Torque();
  369. }
  370. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  371. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  372. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  373. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  374. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  375. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  376. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  377. }
  378. }
  379. return gFoc_Ctrl.out.n_RunMode;
  380. }
  381. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  382. static __INLINE void PMSM_FOC_FieldWeak(void) {
  383. if (!gFoc_Ctrl.in.b_fwEnable) {
  384. return;
  385. }
  386. }
  387. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  388. #if 1
  389. PI_Ctrl_Power.max = maxTrq;
  390. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  391. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  392. #else
  393. return maxTrq;
  394. #endif
  395. }
  396. static __INLINE void PMSM_FOC_idq_Assign(void) {
  397. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  398. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  399. float s, c;
  400. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  401. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  402. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  403. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  404. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  405. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  406. }
  407. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  408. }else {
  409. gFoc_Ctrl.in.s_targetIdq.d = 0;
  410. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  411. }
  412. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  413. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  414. PMSM_FOC_FieldWeak();
  415. }
  416. u32 mask = cpu_enter_critical();
  417. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  418. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  419. cpu_exit_critical(mask);
  420. }
  421. /*called in media task */
  422. void PMSM_FOC_idqCalc(void) {
  423. if (gFoc_Ctrl.in.b_AutoHold) {
  424. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  425. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  426. float vel_count = motor_encoder_get_vel_count();
  427. float errRef = 0 - vel_count;
  428. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  429. PMSM_FOC_idq_Assign();
  430. return;
  431. }
  432. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  433. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  434. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  435. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  436. gFoc_Ctrl.in.s_targetCurrent = 0;
  437. }
  438. }
  439. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  440. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  441. if (refTorque >= 0) {
  442. gFoc_Ctrl.pi_torque->max = refTorque;
  443. gFoc_Ctrl.pi_torque->min = 0;//-gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  444. }else {
  445. gFoc_Ctrl.pi_torque->min = refTorque;
  446. gFoc_Ctrl.pi_torque->max = 0;//gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  447. }
  448. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  449. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  450. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  451. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  452. float maxSpeed = eCtrl_get_FinalSpeed();
  453. float refSpeed = eCtrl_get_RefSpeed();
  454. if (gFoc_Ctrl.in.b_cruiseEna) {
  455. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  456. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  457. }
  458. if (maxSpeed >= 0) {
  459. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  460. gFoc_Ctrl.pi_speed->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  461. }else if (maxSpeed < 0) {
  462. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  463. gFoc_Ctrl.pi_speed->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  464. }
  465. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  466. gFoc_Ctrl.pi_speed->max = 0;
  467. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  468. }
  469. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  470. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  471. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  472. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  473. }
  474. PMSM_FOC_idq_Assign();
  475. }
  476. void PMSM_FOC_RunTime_Limit(void) {
  477. float dclim = (float)vbus_current_vol_lower_limit();
  478. float phaselim = (float)phase_current_temp_high_limit();
  479. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.userLim.s_iDCLim;
  480. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.userLim.s_PhaseCurrLim;
  481. dclim = min(dclim, gFoc_Ctrl.userLim.s_iDCLim);
  482. phaselim = min(phaselim, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  483. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  484. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  485. }
  486. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  487. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  488. }
  489. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  490. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  491. }
  492. void PMSM_FOC_Slow_Task(void) {
  493. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  494. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  495. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  496. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  497. PMSM_FOC_idqCalc();
  498. }
  499. float PMSM_FOC_Get_Real_Torque(void) {
  500. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  501. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  502. }
  503. return gFoc_Ctrl.out.s_RealCurrent;
  504. }
  505. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  506. return &gFoc_Ctrl;
  507. }
  508. void PMSM_FOC_Start(u8 nCtrlMode) {
  509. if (gFoc_Ctrl.in.b_motEnable) {
  510. return;
  511. }
  512. PMSM_FOC_CoreInit();
  513. eCtrl_Reset();
  514. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  515. gFoc_Ctrl.in.b_motEnable = true;
  516. }
  517. void PMSM_FOC_Stop(void) {
  518. if (!gFoc_Ctrl.in.b_motEnable) {
  519. return;
  520. }
  521. PMSM_FOC_CoreInit();
  522. gFoc_Ctrl.in.b_motEnable = false;
  523. }
  524. bool PMSM_FOC_Is_Start(void) {
  525. return gFoc_Ctrl.in.b_motEnable;
  526. }
  527. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  528. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  529. if (ibusLimit > minCurr) {
  530. ibusLimit = minCurr;
  531. }
  532. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  533. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  534. }
  535. float PMSM_FOC_GetDCCurrLimit(void) {
  536. return gFoc_Ctrl.userLim.s_iDCLim;
  537. }
  538. void PMSM_FOC_SpeedLimit(float speedLimit) {
  539. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  540. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  541. }
  542. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  543. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  544. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  545. }
  546. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  547. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  548. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  549. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  550. }
  551. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  552. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  553. }
  554. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  555. if (gFoc_Ctrl.in.s_motRPM == 0) {
  556. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  557. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  558. }else {
  559. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  560. }
  561. }
  562. float PMSM_FOC_GetSpeedLimit(void) {
  563. return gFoc_Ctrl.userLim.s_motRPMLim;
  564. }
  565. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  566. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  567. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  568. }
  569. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  570. }
  571. float PMSM_FOC_GetTorqueLimit(void) {
  572. return gFoc_Ctrl.userLim.s_torqueLim;
  573. }
  574. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  575. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  576. }
  577. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  578. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  579. }
  580. float PMSM_FOC_GetVbusVoltage(void) {
  581. return gFoc_Ctrl.in.s_vDC;
  582. }
  583. float PMSM_FOC_GetVbusCurrent(void) {
  584. return gFoc_Ctrl.out.s_FilteriDC;
  585. }
  586. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  587. return &gFoc_Ctrl.out.s_RealIdq;
  588. }
  589. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  590. if (mode > CTRL_MODE_CURRENT_BRK) {
  591. PMSM_FOC_SetErrCode(FOC_Param_Err);
  592. return false;
  593. }
  594. gFoc_Ctrl.in.n_ctlMode = mode;
  595. return true;
  596. }
  597. u8 PMSM_FOC_GetCtrlMode(void) {
  598. return gFoc_Ctrl.in.n_ctlMode;
  599. }
  600. void PMSM_FOC_PhaseCurrLim(float lim) {
  601. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  602. if (lim > minCurr) {
  603. lim = minCurr;
  604. }
  605. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  606. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  607. }
  608. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  609. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  610. if (lim > minCurr) {
  611. lim = minCurr;
  612. }
  613. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  614. }
  615. float PMSM_FOC_GetPhaseCurrLim(void) {
  616. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  617. }
  618. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  619. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  620. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  621. }
  622. bool PMSM_FOC_EnableCruise(bool enable) {
  623. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  624. float motSpd = PMSM_FOC_GetSpeed();
  625. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  626. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  627. return false;
  628. }
  629. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  630. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  631. gFoc_Ctrl.in.b_cruiseEna = enable;
  632. }
  633. return true;
  634. }
  635. bool PMSM_FOC_Is_CruiseEnabled(void) {
  636. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  637. }
  638. bool PMSM_FOC_Set_Speed(float rpm) {
  639. if (gFoc_Ctrl.in.b_cruiseEna) {
  640. return false;
  641. }
  642. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  643. return true;
  644. }
  645. #if 0
  646. bool PMSM_FOC_Set_epmMode(bool epm) {
  647. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  648. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  649. return false;
  650. }
  651. if (gFoc_Ctrl.in.b_epmMode != epm) {
  652. if (PMSM_FOC_GetSpeed() != 0.0f) {
  653. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  654. return false;
  655. }
  656. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  657. gFoc_Ctrl.in.b_epmMode = epm;
  658. if (epm) {
  659. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  660. eCtrl_set_TgtSpeed(0);
  661. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  662. }else {
  663. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  664. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  665. }
  666. }
  667. return true;
  668. }
  669. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  670. if (!gFoc_Ctrl.in.b_epmMode) {
  671. return false;
  672. }
  673. if (move) {
  674. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  675. return false;
  676. }
  677. gFoc_Ctrl.in.epmDirection = dir;
  678. }else {
  679. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  680. }
  681. return true;
  682. }
  683. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  684. return gFoc_Ctrl.in.epmDirection;
  685. }
  686. #endif
  687. bool PMSM_FOC_Set_Current(float is) {
  688. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  689. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  690. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  691. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  692. }
  693. eCtrl_set_TgtCurrent(is);
  694. return true;
  695. }
  696. bool PMSM_FOC_Set_Torque(float trq) {
  697. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  698. trq = gFoc_Ctrl.userLim.s_torqueLim;
  699. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  700. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  701. }
  702. eCtrl_set_TgtTorque(trq);
  703. return true;
  704. }
  705. void PMSM_FOC_Reset_Torque(void) {
  706. float real_trq = PMSM_FOC_Get_Real_Torque();
  707. eCtrl_reset_Torque(real_trq);
  708. }
  709. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  710. if (PMSM_FOC_Is_CruiseEnabled()) {
  711. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  712. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  713. return false;
  714. }
  715. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  716. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  717. return true;
  718. }
  719. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  720. return false;
  721. }
  722. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  723. if (enable) {
  724. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  725. gFoc_Ctrl.in.s_manualAngle = 0;
  726. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  727. }else {
  728. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  729. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  730. }
  731. }
  732. void PMSM_FOC_Set_Angle(float angle) {
  733. gFoc_Ctrl.in.s_manualAngle = (angle);
  734. }
  735. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  736. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  737. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  738. }
  739. float PMSM_FOC_GetSpeed(void) {
  740. return gFoc_Ctrl.in.s_motRPM;
  741. }
  742. void PMSM_FOC_AutoHold(bool lock) {
  743. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  744. motor_encoder_lock_pos(lock);
  745. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  746. if (!lock) {
  747. //解锁后为了防止倒溜,需要把当前
  748. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  749. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  750. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  751. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  752. }
  753. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  754. }
  755. gFoc_Ctrl.in.b_AutoHold = lock;
  756. }
  757. }
  758. bool PMSM_FOC_AutoHoldding(void) {
  759. return gFoc_Ctrl.in.b_AutoHold;
  760. }
  761. static PI_Controller *_pid(u8 id) {
  762. PI_Controller *pi = NULL;
  763. if (id == PID_D_id) {
  764. pi = gFoc_Ctrl.pi_id;
  765. }else if (id == PID_Q_id) {
  766. pi = gFoc_Ctrl.pi_iq;
  767. }else if (id == PID_TRQ_id) {
  768. pi = gFoc_Ctrl.pi_torque;
  769. }else if (id == PID_Spd_id) {
  770. pi = gFoc_Ctrl.pi_speed;
  771. }
  772. return pi;
  773. }
  774. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  775. if (id > PID_Max_id) {
  776. return;
  777. }
  778. PI_Controller *pi = _pid(id);
  779. if (pi != NULL) {
  780. pi->kp = kp;
  781. pi->ki = ki;
  782. pi->kb = kb;
  783. }
  784. }
  785. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  786. if (id > PID_Max_id) {
  787. return;
  788. }
  789. PI_Controller *pi = _pid(id);
  790. if (pi != NULL) {
  791. *kp = pi->kp;
  792. *ki = pi->ki;
  793. *kb = pi->kb;
  794. }
  795. }
  796. void PMSM_FOC_SetErrCode(u8 error) {
  797. if (gFoc_Ctrl.out.n_Error != error) {
  798. gFoc_Ctrl.out.n_Error = error;
  799. }
  800. }
  801. u8 PMSM_FOC_GetErrCode(void) {
  802. return gFoc_Ctrl.out.n_Error;
  803. }
  804. void PMSM_FOC_SetCriticalError(u8 err) {
  805. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  806. }
  807. void PMSM_FOC_ClrCriticalError(u8 err) {
  808. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  809. }
  810. u32 PMSM_FOC_GetCriticalError(void) {
  811. return gFoc_Ctrl.out.n_CritiCalErrMask;
  812. }
  813. void PMSM_FOC_Set_PlotType(Plot_t t) {
  814. gFoc_Ctrl.plot_type = t;
  815. }
  816. //获取母线电流和实际输出电流矢量大小
  817. void PMSM_FOC_Calc_Current(void) {
  818. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  819. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  820. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  821. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  822. /*
  823. 根据公式(等幅值变换,功率不等):
  824. iDC x vDC = 2/3(iq x vq + id x vd);
  825. */
  826. float m_pow = (vd * id + vq * iq); //s32q10
  827. float id_thr = ABS(id);
  828. if (id_thr >= 100.0f) {
  829. id_thr = 100.0f;
  830. }
  831. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  832. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  833. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  834. }
  835. void PMSM_FOC_Brake(bool brake) {
  836. gFoc_Ctrl.in.b_eBrake = brake;
  837. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  838. gFoc_Ctrl.in.b_cruiseEna = false;
  839. }
  840. eCtrl_brake_signal(brake);
  841. }