PMSM_FOC_Core.c 33 KB

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  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "PMSM_FOC_Params.h"
  4. #include "foc/core/e_ctrl.h"
  5. #include "math/fix_math.h"
  6. #include "math/fast_math.h"
  7. #include "foc/motor/current.h"
  8. #include "foc/motor/motor.h"
  9. #include "foc/core/svpwm.h"
  10. #include "foc/core/torque.h"
  11. #include "foc/core/foc_observer.h"
  12. #include "foc/samples.h"
  13. #include "foc/limit.h"
  14. #include "app/nv_storage.h"
  15. #include "bsp/pwm.h"
  16. #include "libs/logger.h"
  17. #include "math/fir.h"
  18. PMSM_FOC_Ctrl gFoc_Ctrl;
  19. static Fir_t phase1, phase2;
  20. static bool g_focinit = false;
  21. static u32 PMSM_FOC_Debug_Task(void *p);
  22. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  23. float c,s;
  24. #if 0
  25. SinCos_Lut(angle, &s, &c);
  26. #else
  27. s = gFoc_Ctrl.out.sin;
  28. c = gFoc_Ctrl.out.cos;
  29. #endif
  30. alpha_beta->a = dq->d * c - dq->q * s;
  31. alpha_beta->b = dq->d * s + dq->q * c;
  32. }
  33. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  34. alpha_beta->a = A;
  35. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  36. }
  37. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  38. float c,s;
  39. #if 0
  40. SinCos_Lut(angle, &s, &c);
  41. #else
  42. s = gFoc_Ctrl.out.sin;
  43. c = gFoc_Ctrl.out.cos;
  44. #endif
  45. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  46. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  47. }
  48. #define VD_PRIO_HIGH
  49. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  50. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  51. float vDC_m = vDC * module;
  52. float sq_vDC = vDC_m * vDC_m;
  53. if (sq_vdq > sq_vDC) {
  54. #ifdef VD_PRIO_HIGH
  55. out->d = vdq->d;
  56. out->q = sqrtf(sq_vDC - out->d*out->d);
  57. #else
  58. float r = sqrtf(sq_vDC / sq_vdq);
  59. out->d = vdq->d * r;
  60. out->q = vdq->q * r;
  61. #endif
  62. }else {
  63. out->d = vdq->d;
  64. out->q = vdq->q;
  65. }
  66. return sqrtf(sq_vdq/sq_vDC);
  67. }
  68. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  69. float cp = c->s_Cp;
  70. c->s_FinalTgt = target;
  71. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  72. }
  73. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  74. if (++c->n_StepCount == c->n_CtrlCount) {
  75. c->s_Cp += c->s_Step;
  76. if (c->s_Step < 0) {
  77. if (c->s_Cp < c->s_FinalTgt) {
  78. c->s_Cp = c->s_FinalTgt;
  79. }
  80. }else {
  81. if (c->s_Cp > c->s_FinalTgt) {
  82. c->s_Cp = c->s_FinalTgt;
  83. }
  84. }
  85. c->n_StepCount = 0;
  86. }
  87. return c->s_Cp;
  88. }
  89. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  90. c->n_CtrlCount = count;
  91. c->n_StepCount = 0;
  92. c->s_Cp = 0;
  93. c->s_FinalTgt = 0;
  94. c->s_Step = 0;
  95. }
  96. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  97. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  98. }
  99. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  101. }
  102. static void PMSM_FOC_Reset_PID(void) {
  103. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  104. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  110. }
  111. static void PMSM_FOC_Conf_PID(void) {
  112. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  113. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  114. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  115. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  116. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  117. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  118. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  119. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  120. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  121. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  122. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  123. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  124. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  125. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  126. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  127. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  128. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  129. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  130. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  131. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  132. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  133. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  134. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  135. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  136. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  137. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  138. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  139. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  140. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  141. }
  142. static void PMSM_FOC_UserInit(void) {
  143. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  144. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  145. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  146. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  147. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  148. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  149. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  150. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  152. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  153. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  154. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  155. }
  156. void PMSM_FOC_RT_LimInit(void) {
  157. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  160. }
  161. void PMSM_FOC_CoreInit(void) {
  162. Fir_init(&phase1);
  163. Fir_init(&phase2);
  164. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  165. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  166. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  167. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  168. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  169. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  170. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  171. PMSM_FOC_Conf_PID();
  172. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  173. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  174. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  175. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  176. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  177. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  178. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  179. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  180. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  181. if (!g_focinit) {
  182. PMSM_FOC_UserInit();
  183. PMSM_FOC_RT_LimInit();
  184. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  185. g_focinit = true;
  186. }
  187. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  188. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  189. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  190. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  191. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  192. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  193. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  194. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  195. gFoc_Ctrl.out.f_vdqRation = 0;
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  199. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  200. PMSM_FOC_Reset_PID();
  201. foc_observer_init();
  202. gFoc_Ctrl.plot_type = Plot_None;
  203. }
  204. //#define CONFIG_USER_PHASE_LFP
  205. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  206. AB_t iAB;
  207. #ifdef CONFIG_USER_PHASE_LFP
  208. float *iabc_filted = gFoc_Ctrl.in.s_iABCComp;
  209. #endif
  210. float *iabc = gFoc_Ctrl.in.s_iABC;
  211. phase_current_get(gFoc_Ctrl.in.s_iABC);
  212. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  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 = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  218. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  219. }
  220. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  221. #ifdef CONFIG_DQ_STEP_RESPONSE
  222. gFoc_Ctrl.in.s_hallAngle = 0;
  223. gFoc_Ctrl.in.s_motAngle = 0;
  224. #endif
  225. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  226. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  227. #ifdef CONFIG_USER_PHASE_LFP
  228. float e_freq = gFoc_Ctrl.in.s_motRPM / 60.0f * gFoc_Ctrl.params.n_poles;
  229. float lpf_wc;
  230. float lpf_comp = 1.0f;
  231. if (e_freq <= 150.0f) {
  232. lpf_wc = 600.0f;
  233. if (e_freq >= 100) {
  234. lpf_comp = 1.02f;
  235. }else if (e_freq >= 50) {
  236. lpf_comp = 1.01;
  237. }
  238. }else {
  239. lpf_wc = e_freq * 4.0f;
  240. lpf_comp = 1.03f;
  241. }
  242. gFoc_Ctrl.params.n_PhaseFilterCeof = (lpf_wc*2*M_PI*FOC_CTRL_US);
  243. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  244. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  245. gFoc_Ctrl.in.s_iABCFilter[2] = - (gFoc_Ctrl.in.s_iABCFilter[0] + gFoc_Ctrl.in.s_iABCFilter[1]);
  246. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * lpf_comp;
  247. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * lpf_comp;
  248. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * lpf_comp;
  249. Clark(iabc_filted[0], iabc_filted[1], iabc_filted[2], &iAB);
  250. #endif
  251. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  252. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  253. }
  254. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  255. /* update id pi ctrl */
  256. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  257. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  258. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  259. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  260. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  261. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  262. }
  263. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  264. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  265. }
  266. /* update iq pi ctrl */
  267. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  268. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  269. }
  270. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  271. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  272. }
  273. }
  274. #ifdef CONFIG_DQ_STEP_RESPONSE
  275. float target_d = 0.0f;
  276. float target_q = 0.0f;
  277. #endif
  278. static u32 PMSM_FOC_Debug_Task(void *p) {
  279. if (gFoc_Ctrl.in.b_motEnable) {
  280. #ifdef CONFIG_DQ_STEP_RESPONSE
  281. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  282. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  283. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  284. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  285. }
  286. #else
  287. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  288. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  289. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  290. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  291. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  292. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  293. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  294. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  295. }
  296. #endif
  297. }
  298. return 1;
  299. }
  300. void PMSM_FOC_Schedule(void) {
  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. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  321. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  322. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  323. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  324. phase_current_point(&gFoc_Ctrl.out);
  325. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  326. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  327. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  328. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  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. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  336. #ifdef CONFIG_SMO_OBSERVER
  337. float smo_angle = foc_observer_smo_angle();
  338. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  339. if (delta > 180) {
  340. delta -= 360;
  341. }else if (delta < -180) {
  342. delta += 360;
  343. }
  344. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  345. #endif
  346. }
  347. }
  348. }
  349. }
  350. void PMSM_FOC_LogDebug(void) {
  351. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  352. }
  353. /*called in media task */
  354. u8 PMSM_FOC_CtrlMode(void) {
  355. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  356. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  357. gFoc_Ctrl.in.b_cruiseEna = false;
  358. }
  359. if (!gFoc_Ctrl.in.b_motEnable) {
  360. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  361. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  362. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  363. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  364. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  365. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  366. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  367. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  368. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  369. }else {
  370. if (!gFoc_Ctrl.in.b_cruiseEna) {
  371. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  372. }
  373. }
  374. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  375. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  376. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  377. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  378. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  379. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  380. target_troque = PMSM_FOC_Get_Real_Torque();
  381. }
  382. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  383. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  384. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  385. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  386. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  387. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  388. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  389. }
  390. }
  391. return gFoc_Ctrl.out.n_RunMode;
  392. }
  393. static void crosszero_step_towards(float *value, float target) {
  394. float v_now = *value;
  395. bool cross_zero = false;
  396. if (target > 0) {
  397. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  398. step_towards(value, target, 0.05f);
  399. cross_zero = true;
  400. }
  401. }else if (target == 0) {
  402. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  403. step_towards(value, target, 0.05f);
  404. cross_zero = true;
  405. }
  406. }else {
  407. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  408. step_towards(value, target, 0.02f);
  409. cross_zero = true;
  410. }
  411. }
  412. if (!cross_zero) {
  413. *value = target;
  414. }
  415. }
  416. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  417. static __INLINE void PMSM_FOC_FieldWeak(void) {
  418. if (!gFoc_Ctrl.in.b_fwEnable) {
  419. return;
  420. }
  421. }
  422. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  423. #if 1
  424. PI_Ctrl_Power.max = maxTrq;
  425. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - ABS(gFoc_Ctrl.out.s_FilteriDC);
  426. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  427. #else
  428. return maxTrq;
  429. #endif
  430. }
  431. static __INLINE float PMSM_FOC_Limit_Speed(float refTorque) {
  432. if (refTorque >= 0) {
  433. gFoc_Ctrl.pi_torque->max = refTorque;
  434. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_TORQUE;
  435. }else {
  436. gFoc_Ctrl.pi_torque->min = refTorque;
  437. gFoc_Ctrl.pi_torque->max = 0;
  438. }
  439. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  440. float trq_res = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  441. return trq_res;
  442. }
  443. static __INLINE void PMSM_FOC_idq_Assign(void) {
  444. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  445. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  446. float s, c;
  447. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  448. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  449. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  450. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  451. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  452. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  453. }
  454. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  455. }else {
  456. gFoc_Ctrl.in.s_targetIdq.d = 0;
  457. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  458. }
  459. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  460. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  461. PMSM_FOC_FieldWeak();
  462. }
  463. u32 mask = cpu_enter_critical();
  464. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  465. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  466. cpu_exit_critical(mask);
  467. }
  468. /*called in media task */
  469. void PMSM_FOC_idqCalc(void) {
  470. if (gFoc_Ctrl.in.b_AutoHold) {
  471. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  472. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  473. float vel_count = motor_encoder_get_vel_count();
  474. float errRef = 0 - vel_count;
  475. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  476. PMSM_FOC_idq_Assign();
  477. return;
  478. }
  479. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  480. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  481. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  482. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  483. gFoc_Ctrl.in.s_targetCurrent = 0;
  484. }
  485. }
  486. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  487. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  488. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  489. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  490. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  491. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  492. float maxSpeed = eCtrl_get_FinalSpeed();
  493. float refSpeed = eCtrl_get_RefSpeed();
  494. if (gFoc_Ctrl.in.b_cruiseEna) {
  495. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  496. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  497. }
  498. if (maxSpeed >= 0) {
  499. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  500. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  501. }else if (maxSpeed < 0) {
  502. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  503. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  504. }
  505. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  506. gFoc_Ctrl.pi_speed->max = 0;
  507. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  508. }
  509. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  510. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  511. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  512. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  513. }
  514. PMSM_FOC_idq_Assign();
  515. }
  516. bool PMSM_FOC_RunTime_Limit(void) {
  517. bool changed = false;
  518. float dclim = (float)vbus_current_vol_lower_limit();
  519. float phaselim = (float)phase_current_temp_high_limit();
  520. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.hwLim.s_iDCMax;
  521. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  522. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  523. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  524. }
  525. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  526. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  527. }
  528. if (gFoc_Ctrl.protLim.s_iDCLim != dclim || gFoc_Ctrl.protLim.s_PhaseCurrLim != phaselim) {
  529. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  530. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  531. changed = true;
  532. }
  533. return changed;
  534. }
  535. void PMSM_FOC_Slow_Task(void) {
  536. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  537. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  538. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  539. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  540. PMSM_FOC_idqCalc();
  541. }
  542. float PMSM_FOC_Get_Real_Torque(void) {
  543. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  544. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  545. }
  546. return gFoc_Ctrl.out.s_RealCurrent;
  547. }
  548. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  549. return &gFoc_Ctrl;
  550. }
  551. void PMSM_FOC_Start(u8 nCtrlMode) {
  552. if (gFoc_Ctrl.in.b_motEnable) {
  553. return;
  554. }
  555. PMSM_FOC_CoreInit();
  556. eCtrl_Reset();
  557. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  558. gFoc_Ctrl.in.b_motEnable = true;
  559. }
  560. void PMSM_FOC_Stop(void) {
  561. if (!gFoc_Ctrl.in.b_motEnable) {
  562. return;
  563. }
  564. PMSM_FOC_CoreInit();
  565. gFoc_Ctrl.in.b_motEnable = false;
  566. }
  567. bool PMSM_FOC_Is_Start(void) {
  568. return gFoc_Ctrl.in.b_motEnable;
  569. }
  570. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  571. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  572. if (ibusLimit > minCurr) {
  573. ibusLimit = minCurr;
  574. }
  575. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  576. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  577. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  578. }else {
  579. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  580. }
  581. }
  582. float PMSM_FOC_GetDCCurrLimit(void) {
  583. return gFoc_Ctrl.userLim.s_iDCLim;
  584. }
  585. void PMSM_FOC_SpeedLimit(float speedLimit) {
  586. PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  587. }
  588. void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
  589. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  590. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  591. }
  592. bool need_reset = false;
  593. if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
  594. need_reset = true;
  595. }
  596. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  597. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
  598. if (need_reset) {
  599. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
  600. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
  601. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
  602. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
  603. }
  604. }
  605. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
  606. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  607. }else {
  608. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  609. }
  610. }
  611. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  612. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  613. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  614. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  615. }
  616. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  617. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  618. }
  619. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  620. if (gFoc_Ctrl.in.s_motRPM == 0) {
  621. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  622. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  623. }else {
  624. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  625. }
  626. }
  627. float PMSM_FOC_GetSpeedLimit(void) {
  628. return gFoc_Ctrl.userLim.s_motRPMLim;
  629. }
  630. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  631. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  632. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  633. }
  634. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  635. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  636. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit);
  637. }else {
  638. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  639. }
  640. }
  641. float PMSM_FOC_GetTorqueLimit(void) {
  642. return gFoc_Ctrl.userLim.s_torqueLim;
  643. }
  644. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  645. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  646. }
  647. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  648. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  649. }
  650. float PMSM_FOC_GetVbusVoltage(void) {
  651. return gFoc_Ctrl.in.s_vDC;
  652. }
  653. float PMSM_FOC_GetVbusCurrent(void) {
  654. return gFoc_Ctrl.out.s_FilteriDC;
  655. }
  656. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  657. return &gFoc_Ctrl.out.s_RealIdq;
  658. }
  659. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  660. if (mode > CTRL_MODE_CURRENT_BRK) {
  661. PMSM_FOC_SetErrCode(FOC_Param_Err);
  662. return false;
  663. }
  664. gFoc_Ctrl.in.n_ctlMode = mode;
  665. return true;
  666. }
  667. u8 PMSM_FOC_GetCtrlMode(void) {
  668. return gFoc_Ctrl.in.n_ctlMode;
  669. }
  670. void PMSM_FOC_PhaseCurrLim(float lim) {
  671. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  672. if (lim > minCurr) {
  673. lim = minCurr;
  674. }
  675. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  676. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  677. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
  678. }else {
  679. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  680. }
  681. }
  682. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  683. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  684. if (lim > minCurr) {
  685. lim = minCurr;
  686. }
  687. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  688. }
  689. float PMSM_FOC_GetPhaseCurrLim(void) {
  690. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  691. }
  692. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  693. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  694. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  695. }
  696. bool PMSM_FOC_EnableCruise(bool enable) {
  697. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  698. float motSpd = PMSM_FOC_GetSpeed();
  699. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  700. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  701. return false;
  702. }
  703. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  704. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  705. gFoc_Ctrl.in.b_cruiseEna = enable;
  706. }
  707. return true;
  708. }
  709. bool PMSM_FOC_Is_CruiseEnabled(void) {
  710. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  711. }
  712. bool PMSM_FOC_Set_Speed(float rpm) {
  713. if (gFoc_Ctrl.in.b_cruiseEna) {
  714. return false;
  715. }
  716. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  717. return true;
  718. }
  719. #if 0
  720. bool PMSM_FOC_Set_epmMode(bool epm) {
  721. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  722. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  723. return false;
  724. }
  725. if (gFoc_Ctrl.in.b_epmMode != epm) {
  726. if (PMSM_FOC_GetSpeed() != 0.0f) {
  727. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  728. return false;
  729. }
  730. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  731. gFoc_Ctrl.in.b_epmMode = epm;
  732. if (epm) {
  733. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  734. eCtrl_set_TgtSpeed(0);
  735. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  736. }else {
  737. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  738. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  739. }
  740. }
  741. return true;
  742. }
  743. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  744. if (!gFoc_Ctrl.in.b_epmMode) {
  745. return false;
  746. }
  747. if (move) {
  748. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  749. return false;
  750. }
  751. gFoc_Ctrl.in.epmDirection = dir;
  752. }else {
  753. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  754. }
  755. return true;
  756. }
  757. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  758. return gFoc_Ctrl.in.epmDirection;
  759. }
  760. #endif
  761. bool PMSM_FOC_Set_Current(float is) {
  762. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  763. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  764. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  765. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  766. }
  767. eCtrl_set_TgtCurrent(is);
  768. return true;
  769. }
  770. bool PMSM_FOC_Set_Torque(float trq) {
  771. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  772. trq = gFoc_Ctrl.userLim.s_torqueLim;
  773. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  774. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  775. }
  776. eCtrl_set_TgtTorque(trq);
  777. return true;
  778. }
  779. void PMSM_FOC_Reset_Torque(void) {
  780. float real_trq = PMSM_FOC_Get_Real_Torque();
  781. eCtrl_reset_Torque(real_trq);
  782. }
  783. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  784. if (PMSM_FOC_Is_CruiseEnabled()) {
  785. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  786. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  787. return false;
  788. }
  789. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  790. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  791. return true;
  792. }
  793. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  794. return false;
  795. }
  796. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  797. if (enable) {
  798. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  799. gFoc_Ctrl.in.s_manualAngle = 0;
  800. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  801. }else {
  802. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  803. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  804. }
  805. }
  806. void PMSM_FOC_Set_Angle(float angle) {
  807. gFoc_Ctrl.in.s_manualAngle = (angle);
  808. }
  809. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  810. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  811. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  812. }
  813. float PMSM_FOC_GetSpeed(void) {
  814. return gFoc_Ctrl.in.s_motRPM;
  815. }
  816. void PMSM_FOC_AutoHold(bool lock) {
  817. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  818. motor_encoder_lock_pos(lock);
  819. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  820. if (!lock) {
  821. //解锁后为了防止倒溜,需要把当前
  822. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  823. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  824. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  825. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  826. }
  827. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  828. }
  829. gFoc_Ctrl.in.b_AutoHold = lock;
  830. }
  831. }
  832. bool PMSM_FOC_AutoHoldding(void) {
  833. return gFoc_Ctrl.in.b_AutoHold;
  834. }
  835. static PI_Controller *_pid(u8 id) {
  836. PI_Controller *pi = NULL;
  837. if (id == PID_D_id) {
  838. pi = gFoc_Ctrl.pi_id;
  839. }else if (id == PID_Q_id) {
  840. pi = gFoc_Ctrl.pi_iq;
  841. }else if (id == PID_TRQ_id) {
  842. pi = gFoc_Ctrl.pi_torque;
  843. }else if (id == PID_Spd_id) {
  844. pi = gFoc_Ctrl.pi_speed;
  845. }
  846. return pi;
  847. }
  848. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  849. if (id > PID_Max_id) {
  850. return;
  851. }
  852. PI_Controller *pi = _pid(id);
  853. if (pi != NULL) {
  854. pi->kp = kp;
  855. pi->ki = ki;
  856. pi->kb = kb;
  857. }
  858. }
  859. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  860. if (id > PID_Max_id) {
  861. return;
  862. }
  863. PI_Controller *pi = _pid(id);
  864. if (pi != NULL) {
  865. *kp = pi->kp;
  866. *ki = pi->ki;
  867. *kb = pi->kb;
  868. }
  869. }
  870. void PMSM_FOC_SetErrCode(u8 error) {
  871. if (gFoc_Ctrl.out.n_Error != error) {
  872. gFoc_Ctrl.out.n_Error = error;
  873. }
  874. }
  875. u8 PMSM_FOC_GetErrCode(void) {
  876. return gFoc_Ctrl.out.n_Error;
  877. }
  878. void PMSM_FOC_SetCriticalError(u8 err) {
  879. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  880. }
  881. void PMSM_FOC_ClrCriticalError(u8 err) {
  882. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  883. }
  884. u32 PMSM_FOC_GetCriticalError(void) {
  885. return gFoc_Ctrl.out.n_CritiCalErrMask;
  886. }
  887. void PMSM_FOC_Set_PlotType(Plot_t t) {
  888. gFoc_Ctrl.plot_type = t;
  889. }
  890. //获取母线电流和实际输出电流矢量大小
  891. void PMSM_FOC_Calc_Current(void) {
  892. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  893. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  894. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  895. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  896. /*
  897. 根据公式(等幅值变换,功率不等):
  898. iDC x vDC = 2/3(iq x vq + id x vd);
  899. */
  900. float m_pow = (vd * id + vq * iq); //s32q10
  901. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  902. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  903. raw_idc = get_vbus_current();
  904. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  905. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  906. }
  907. void PMSM_FOC_Brake(bool brake) {
  908. gFoc_Ctrl.in.b_eBrake = brake;
  909. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  910. gFoc_Ctrl.in.b_cruiseEna = false;
  911. }
  912. eCtrl_brake_signal(brake);
  913. }