PMSM_FOC_Core.c 28 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 "app/nv_storage.h"
  13. #include "bsp/pwm.h"
  14. #include "libs/logger.h"
  15. #include "math/fir.h"
  16. PMSM_FOC_Ctrl gFoc_Ctrl;
  17. static Fir_t phase1, phase2;
  18. static bool g_focinit = false;
  19. static u32 PMSM_FOC_Debug_Task(void *p);
  20. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  21. float c,s;
  22. #if 0
  23. SinCos_Lut(angle, &s, &c);
  24. #else
  25. s = gFoc_Ctrl.out.sin;
  26. c = gFoc_Ctrl.out.cos;
  27. #endif
  28. alpha_beta->a = dq->d * c - dq->q * s;
  29. alpha_beta->b = dq->d * s + dq->q * c;
  30. }
  31. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  32. alpha_beta->a = A;
  33. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  34. }
  35. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  36. float c,s;
  37. #if 0
  38. SinCos_Lut(angle, &s, &c);
  39. #else
  40. s = gFoc_Ctrl.out.sin;
  41. c = gFoc_Ctrl.out.cos;
  42. #endif
  43. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  44. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  45. }
  46. #define VD_PRIO_HIGH
  47. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  48. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  49. float vDC_m = vDC * module;
  50. float sq_vDC = vDC_m * vDC_m;
  51. if (sq_vdq > sq_vDC) {
  52. #ifdef VD_PRIO_HIGH
  53. out->d = vdq->d;
  54. out->q = sqrtf(sq_vDC - out->d*out->d);
  55. return 1.1f; //just return the modulation big than 1.0
  56. #else
  57. float r = sqrtf(sq_vDC / sq_vdq);
  58. out->d = vdq->d * r;
  59. out->q = vdq->q * r;
  60. return r;
  61. #endif
  62. }
  63. out->d = vdq->d;
  64. out->q = vdq->q;
  65. return 1.0f; // s16q5 32 means int 1
  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. eRamp_init_target(&gFoc_Ctrl.userLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim);
  155. eRamp_init_target(&gFoc_Ctrl.userLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  156. eRamp_init_target(&gFoc_Ctrl.userLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim);
  157. }
  158. void PMSM_FOC_CoreInit(void) {
  159. Fir_init(&phase1);
  160. Fir_init(&phase2);
  161. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  162. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  163. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  164. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  165. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  166. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  167. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  168. PMSM_FOC_Conf_PID();
  169. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  170. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  171. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  172. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  173. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  174. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  175. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  176. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  177. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  178. if (!g_focinit) {
  179. PMSM_FOC_UserInit();
  180. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  181. g_focinit = true;
  182. }
  183. gFoc_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  184. gFoc_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  185. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  186. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  187. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  188. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  189. gFoc_Ctrl.out.f_vdqRation = 0;
  190. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  191. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  192. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  193. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  194. PMSM_FOC_Reset_PID();
  195. gFoc_Ctrl.plot_type = Plot_Phase_curr;
  196. }
  197. //#define PHASE_LFP_FIR
  198. #define PHASE_LFP
  199. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  200. AB_t vAB;
  201. #ifdef PHASE_LFP
  202. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  203. #elif defined PHASE_LFP_FIR
  204. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  205. #else
  206. float *iabc = gFoc_Ctrl.in.s_iABC;
  207. #endif
  208. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  209. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  210. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  211. }else {
  212. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  213. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  214. }
  215. #ifdef CONFIG_DQ_STEP_RESPONSE
  216. gFoc_Ctrl.in.s_hallAngle = 0;
  217. gFoc_Ctrl.in.s_motAngle = 0;
  218. #endif
  219. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  220. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  221. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  222. //sample current
  223. phase_current_get(gFoc_Ctrl.in.s_iABC);
  224. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  225. gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
  226. gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
  227. gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
  228. Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
  229. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
  230. #ifdef PHASE_LFP
  231. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  232. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  233. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  234. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  235. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  236. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  237. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  238. #elif defined PHASE_LFP_FIR
  239. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  240. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  241. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  242. #endif
  243. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  244. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  245. }
  246. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  247. /* update id pi ctrl */
  248. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  249. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  250. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  251. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  252. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  253. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  254. }
  255. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  256. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  257. }
  258. /* update iq pi ctrl */
  259. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  260. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  261. }
  262. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  263. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  264. }
  265. }
  266. #ifdef CONFIG_DQ_STEP_RESPONSE
  267. float target_d = 0.0f;
  268. float target_q = 0.0f;
  269. #endif
  270. static u32 PMSM_FOC_Debug_Task(void *p) {
  271. if (gFoc_Ctrl.in.b_motEnable) {
  272. #ifdef CONFIG_DQ_STEP_RESPONSE
  273. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  274. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  275. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  276. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  277. }
  278. #else
  279. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  280. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  281. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  282. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  283. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  284. plot_2data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  285. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  286. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  287. }
  288. #endif
  289. }
  290. return 1;
  291. }
  292. void PMSM_FOC_Schedule(void) {
  293. AB_t vAB;
  294. gFoc_Ctrl.ctrl_count++;
  295. PMSM_FOC_Update_Hardware();
  296. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  297. PMSM_FOC_Update_PI_Idq();
  298. #ifndef CONFIG_DQ_STEP_RESPONSE
  299. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  300. #endif
  301. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  302. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  303. #ifndef CONFIG_DQ_STEP_RESPONSE
  304. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  305. #endif
  306. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  307. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  308. }else {
  309. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  310. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  311. }
  312. 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);
  313. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
  314. SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  315. phase_current_point(&gFoc_Ctrl.out);
  316. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  317. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  318. if (gFoc_Ctrl.plot_type != Plot_None) {
  319. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  320. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  321. plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_iABC[0]), FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[0]), FtoS16x10(gFoc_Ctrl.in.s_iABCComp[0]));
  322. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  323. plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_vABC[0]), FtoS16x10(gFoc_Ctrl.in.s_vABC[1]), FtoS16x10(gFoc_Ctrl.in.s_vABC[2]));
  324. }
  325. }
  326. }
  327. }
  328. void PMSM_FOC_LogDebug(void) {
  329. }
  330. /*called in media task */
  331. u8 PMSM_FOC_CtrlMode(void) {
  332. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  333. if (!gFoc_Ctrl.in.b_motEnable) {
  334. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  335. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  336. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  337. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  338. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  339. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  340. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  341. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  342. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  343. }else {
  344. if (!gFoc_Ctrl.in.b_cruiseEna) {
  345. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  346. }
  347. }
  348. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  349. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  350. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  351. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  352. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  353. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  354. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  355. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  356. }
  357. }
  358. return gFoc_Ctrl.out.n_RunMode;
  359. }
  360. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  361. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  362. #if 1
  363. PI_Ctrl_Power.max = maxTrq;
  364. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.userLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  365. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  366. #else
  367. return maxTrq;
  368. #endif
  369. }
  370. static __INLINE void PMSM_FOC_idq_Assign(void) {
  371. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  372. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  373. float s, c;
  374. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  375. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  376. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  377. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  378. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  379. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  380. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  381. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  382. }else {
  383. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent * s;
  384. }
  385. }else {
  386. gFoc_Ctrl.in.s_targetIdq.d = 0;
  387. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  388. }
  389. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  390. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  391. }
  392. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  393. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  394. }
  395. /*called in media task */
  396. void PMSM_FOC_idqCalc(void) {
  397. if (gFoc_Ctrl.in.b_motLock) {
  398. float vel_count = motor_encoder_get_vel_count();
  399. float errRef = 0 - vel_count;
  400. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  401. PMSM_FOC_idq_Assign();
  402. return;
  403. }
  404. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  405. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  406. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  407. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  408. gFoc_Ctrl.in.s_targetCurrent = 0;
  409. }
  410. }
  411. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  412. float refTorque = eCtrl_get_FinalTorque();
  413. if (refTorque > 0) {
  414. gFoc_Ctrl.pi_torque->max = refTorque;
  415. gFoc_Ctrl.pi_torque->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  416. }else {
  417. gFoc_Ctrl.pi_torque->min = refTorque;
  418. gFoc_Ctrl.pi_torque->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  419. }
  420. if ((eCtrl_get_FinalTorque() == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  421. gFoc_Ctrl.pi_torque->max = 0;
  422. gFoc_Ctrl.pi_torque->min = 0; //防止倒转
  423. }
  424. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.userLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  425. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  426. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  427. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  428. float maxSpeed = eCtrl_get_FinalSpeed();
  429. float refSpeed = eCtrl_get_RefSpeed();
  430. if (gFoc_Ctrl.in.b_cruiseEna) {
  431. maxSpeed = refSpeed = gFoc_Ctrl.in.s_cruiseRPM;
  432. }
  433. if (maxSpeed > 0) {
  434. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.userLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  435. gFoc_Ctrl.pi_speed->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  436. }else if (maxSpeed < 0) {
  437. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.userLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  438. gFoc_Ctrl.pi_speed->max = gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  439. }
  440. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  441. gFoc_Ctrl.pi_speed->max = 0;
  442. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  443. }
  444. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  445. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  446. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  447. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  448. }
  449. PMSM_FOC_idq_Assign();
  450. }
  451. void PMSM_FOC_Slow_Task(void) {
  452. eRamp_running(&gFoc_Ctrl.userLim.phaseCurrLimRamp);
  453. eRamp_running(&gFoc_Ctrl.userLim.rpmLimRamp);
  454. eRamp_running(&gFoc_Ctrl.userLim.DCCurrLimRamp);
  455. if (gFoc_Ctrl.out.n_CritiCalErrMask != gFoc_Ctrl.out.n_CritiCalErrPrev) {
  456. /* 欠压降速,限制相电流 */
  457. if (!(gFoc_Ctrl.out.n_CritiCalErrPrev & gFoc_Ctrl.out.n_CritiCalErrMask) && (FOC_CRIT_UN_Vol_Err & gFoc_Ctrl.out.n_CritiCalErrMask)) {
  458. if (gFoc_Ctrl.userLim.s_motRPMLim > CONFIG_UNDER_VOL_RPM) {
  459. PMSM_FOC_SpeedLimit(CONFIG_UNDER_VOL_RPM);
  460. }
  461. if (gFoc_Ctrl.userLim.s_iDCLim > CONFIG_UNDER_VOL_DC_CURR) {
  462. PMSM_FOC_DCCurrLimit(CONFIG_UNDER_VOL_DC_CURR);
  463. }
  464. }
  465. gFoc_Ctrl.out.n_CritiCalErrPrev = gFoc_Ctrl.out.n_CritiCalErrMask;
  466. }
  467. PMSM_FOC_idqCalc();
  468. }
  469. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  470. return &gFoc_Ctrl;
  471. }
  472. void PMSM_FOC_Start(u8 nCtrlMode) {
  473. if (gFoc_Ctrl.in.b_motEnable) {
  474. return;
  475. }
  476. PMSM_FOC_CoreInit();
  477. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  478. gFoc_Ctrl.in.b_motEnable = true;
  479. }
  480. void PMSM_FOC_Stop(void) {
  481. if (!gFoc_Ctrl.in.b_motEnable) {
  482. return;
  483. }
  484. PMSM_FOC_CoreInit();
  485. gFoc_Ctrl.in.b_motEnable = false;
  486. }
  487. bool PMSM_FOC_Is_Start(void) {
  488. return gFoc_Ctrl.in.b_motEnable;
  489. }
  490. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  491. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  492. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  493. }
  494. if (gFoc_Ctrl.out.n_CritiCalErrMask & FOC_CRIT_UN_Vol_Err) {
  495. if (ibusLimit > CONFIG_UNDER_VOL_DC_CURR) {
  496. ibusLimit = CONFIG_UNDER_VOL_DC_CURR;
  497. }
  498. }
  499. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  500. eRamp_set_step_target(&gFoc_Ctrl.userLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  501. }
  502. float PMSM_FOC_GetDCCurrLimit(void) {
  503. return gFoc_Ctrl.userLim.s_iDCLim;
  504. }
  505. void PMSM_FOC_SpeedLimit(float speedLimit) {
  506. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  507. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  508. }
  509. if (gFoc_Ctrl.out.n_CritiCalErrMask & FOC_CRIT_UN_Vol_Err) {
  510. if (speedLimit > CONFIG_UNDER_VOL_RPM) {
  511. speedLimit = CONFIG_UNDER_VOL_RPM;
  512. }
  513. }
  514. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  515. eRamp_set_step_target(&gFoc_Ctrl.userLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  516. }
  517. float PMSM_FOC_GetSpeedLimit(void) {
  518. return gFoc_Ctrl.userLim.s_motRPMLim;
  519. }
  520. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  521. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  522. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  523. }
  524. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  525. }
  526. float PMSM_FOC_GetTorqueLimit(void) {
  527. return gFoc_Ctrl.userLim.s_torqueLim;
  528. }
  529. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  530. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  531. }
  532. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  533. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  534. }
  535. float PMSM_FOC_GetVbusVoltage(void) {
  536. return gFoc_Ctrl.in.s_vDC;
  537. }
  538. float PMSM_FOC_GetVbusCurrent(void) {
  539. return gFoc_Ctrl.out.s_FilteriDC;
  540. }
  541. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  542. return &gFoc_Ctrl.out.s_RealIdq;
  543. }
  544. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  545. if (mode > CTRL_MODE_CURRENT_BRK) {
  546. PMSM_FOC_SetErrCode(FOC_Param_Err);
  547. return false;
  548. }
  549. gFoc_Ctrl.in.n_ctlMode = mode;
  550. return true;
  551. }
  552. u8 PMSM_FOC_GetCtrlMode(void) {
  553. return gFoc_Ctrl.in.n_ctlMode;
  554. }
  555. void PMSM_FOC_PhaseCurrLim(float lim) {
  556. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  557. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  558. }
  559. if (gFoc_Ctrl.out.n_CritiCalErrMask & FOC_CRIT_UN_Vol_Err) {
  560. if (lim > CONFIG_UNDER_VOL_PHASE_CURR) {
  561. lim = CONFIG_UNDER_VOL_PHASE_CURR;
  562. }
  563. }
  564. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  565. eRamp_set_step_target(&gFoc_Ctrl.userLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  566. }
  567. float PMSM_FOC_GetPhaseCurrLim(void) {
  568. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  569. }
  570. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  571. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  572. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  573. }
  574. bool PMSM_FOC_EnableCruise(bool enable) {
  575. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  576. float motSpd = PMSM_FOC_GetSpeed();
  577. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  578. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  579. return false;
  580. }
  581. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  582. gFoc_Ctrl.in.b_cruiseEna = enable;
  583. }
  584. return true;
  585. }
  586. bool PMSM_FOC_Is_CruiseEnabled(void) {
  587. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  588. }
  589. bool PMSM_FOC_Set_Speed(float rpm) {
  590. if (gFoc_Ctrl.in.b_cruiseEna) {
  591. return false;
  592. }
  593. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  594. return true;
  595. }
  596. #if 0
  597. bool PMSM_FOC_Set_epmMode(bool epm) {
  598. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  599. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  600. return false;
  601. }
  602. if (gFoc_Ctrl.in.b_epmMode != epm) {
  603. if (PMSM_FOC_GetSpeed() != 0.0f) {
  604. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  605. return false;
  606. }
  607. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  608. gFoc_Ctrl.in.b_epmMode = epm;
  609. if (epm) {
  610. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  611. eCtrl_set_TgtSpeed(0);
  612. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  613. }else {
  614. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  615. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  616. }
  617. }
  618. return true;
  619. }
  620. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  621. if (!gFoc_Ctrl.in.b_epmMode) {
  622. return false;
  623. }
  624. if (move) {
  625. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  626. return false;
  627. }
  628. gFoc_Ctrl.in.epmDirection = dir;
  629. }else {
  630. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  631. }
  632. return true;
  633. }
  634. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  635. return gFoc_Ctrl.in.epmDirection;
  636. }
  637. #endif
  638. bool PMSM_FOC_Set_Current(float is) {
  639. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  640. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  641. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  642. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  643. }
  644. eCtrl_set_TgtCurrent(is);
  645. return true;
  646. }
  647. bool PMSM_FOC_Set_Torque(float trq) {
  648. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  649. trq = gFoc_Ctrl.userLim.s_torqueLim;
  650. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  651. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  652. }
  653. eCtrl_set_TgtTorque(trq);
  654. return true;
  655. }
  656. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  657. if (PMSM_FOC_Is_CruiseEnabled()) {
  658. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  659. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  660. return false;
  661. }
  662. gFoc_Ctrl.in.s_cruiseRPM = rpm;
  663. return true;
  664. }
  665. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  666. return false;
  667. }
  668. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  669. if (enable) {
  670. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  671. gFoc_Ctrl.in.s_manualAngle = 0;
  672. }else {
  673. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  674. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  675. }
  676. }
  677. void PMSM_FOC_Set_Angle(float angle) {
  678. gFoc_Ctrl.in.s_manualAngle = (angle);
  679. }
  680. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  681. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  682. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  683. }
  684. float PMSM_FOC_GetSpeed(void) {
  685. return gFoc_Ctrl.in.s_motRPM;
  686. }
  687. void PMSM_FOC_LockMotor(bool lock) {
  688. if (gFoc_Ctrl.in.b_motLock != lock) {
  689. motor_encoder_lock_pos(lock);
  690. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  691. gFoc_Ctrl.in.b_motLock = lock;
  692. }
  693. }
  694. bool PMSM_FOC_MotorLocking(void) {
  695. return gFoc_Ctrl.in.b_motLock;
  696. }
  697. static PI_Controller *_pid(u8 id) {
  698. PI_Controller *pi = NULL;
  699. if (id == PID_D_id) {
  700. pi = gFoc_Ctrl.pi_id;
  701. }else if (id == PID_Q_id) {
  702. pi = gFoc_Ctrl.pi_iq;
  703. }else if (id == PID_TRQ_id) {
  704. pi = gFoc_Ctrl.pi_torque;
  705. }else if (id == PID_Spd_id) {
  706. pi = gFoc_Ctrl.pi_speed;
  707. }
  708. return pi;
  709. }
  710. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  711. if (id > PID_Max_id) {
  712. return;
  713. }
  714. PI_Controller *pi = _pid(id);
  715. if (pi != NULL) {
  716. pi->kp = kp;
  717. pi->ki = ki;
  718. pi->kb = kb;
  719. }
  720. }
  721. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  722. if (id > PID_Max_id) {
  723. return;
  724. }
  725. PI_Controller *pi = _pid(id);
  726. if (pi != NULL) {
  727. *kp = pi->kp;
  728. *ki = pi->ki;
  729. *kb = pi->kb;
  730. }
  731. }
  732. void PMSM_FOC_SetErrCode(u8 error) {
  733. if (gFoc_Ctrl.out.n_Error != error) {
  734. gFoc_Ctrl.out.n_Error = error;
  735. }
  736. }
  737. u8 PMSM_FOC_GetErrCode(void) {
  738. return gFoc_Ctrl.out.n_Error;
  739. }
  740. void PMSM_FOC_SetCriticalError(u8 err) {
  741. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  742. }
  743. void PMSM_FOC_ClrCriticalError(u8 err) {
  744. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  745. }
  746. u32 PMSM_FOC_GetCriticalError(void) {
  747. return gFoc_Ctrl.out.n_CritiCalErrMask;
  748. }
  749. void PMSM_FOC_Set_PlotType(Plot_t t) {
  750. gFoc_Ctrl.plot_type = t;
  751. }
  752. //获取母线电流
  753. float PMSM_FOC_Calc_iDC(void) {
  754. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  755. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  756. #ifdef NO_SAMPLE_IDC
  757. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.01f);
  758. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.01f);
  759. #endif
  760. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  761. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  762. /*
  763. 根据公式(等幅值变换,功率不等):
  764. iDC x vDC = 2/3(iq x vq + id x vd);
  765. */
  766. float m_pow = (vd * id + vq * iq); //s32q10
  767. float raw_idc = m_pow / gFoc_Ctrl.in.s_vDC;// * 1.5f * 0.66f; //s16q5
  768. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  769. return gFoc_Ctrl.out.s_FilteriDC;
  770. }
  771. void PMSM_FOC_Brake(bool brake) {
  772. gFoc_Ctrl.in.b_eBrake = brake;
  773. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  774. gFoc_Ctrl.in.b_cruiseEna = false;
  775. }
  776. eCtrl_brake_signal(brake);
  777. }