PMSM_FOC_Core.c 34 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/smo_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. #ifdef CONFIG_SMO_OBSERVER
  202. smo_observer_init(CONFIG_SMO_PLL_BANDWITH, CONFIG_SMO_LFP_WC, CONFIG_SMO_GAIN_K, CONFIG_SMO_SIGMOID_MAX);
  203. #endif
  204. gFoc_Ctrl.plot_type = Plot_None;
  205. }
  206. //#define CONFIG_USER_PHASE_LFP
  207. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  208. AB_t iAB;
  209. #ifdef CONFIG_USER_PHASE_LFP
  210. float *iabc_filted = gFoc_Ctrl.in.s_iABCComp;
  211. #endif
  212. float *iabc = gFoc_Ctrl.in.s_iABC;
  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. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  225. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  226. //sample current
  227. phase_current_get(gFoc_Ctrl.in.s_iABC);
  228. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  229. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  230. #ifdef CONFIG_SMO_OBSERVER
  231. gFoc_Ctrl.in.s_smoAngle = smo_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  232. #endif
  233. #ifdef CONFIG_USER_PHASE_LFP
  234. float e_freq = gFoc_Ctrl.in.s_motRPM / 60.0f * gFoc_Ctrl.params.n_poles;
  235. float lpf_wc;
  236. float lpf_comp = 1.0f;
  237. if (e_freq <= 150.0f) {
  238. lpf_wc = 600.0f;
  239. if (e_freq >= 100) {
  240. lpf_comp = 1.02f;
  241. }else if (e_freq >= 50) {
  242. lpf_comp = 1.01;
  243. }
  244. }else {
  245. lpf_wc = e_freq * 4.0f;
  246. lpf_comp = 1.03f;
  247. }
  248. gFoc_Ctrl.params.n_PhaseFilterCeof = (lpf_wc*2*M_PI*FOC_CTRL_US);
  249. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  250. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  251. gFoc_Ctrl.in.s_iABCFilter[2] = - (gFoc_Ctrl.in.s_iABCFilter[0] + gFoc_Ctrl.in.s_iABCFilter[1]);
  252. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * lpf_comp;
  253. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * lpf_comp;
  254. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * lpf_comp;
  255. Clark(iabc_filted[0], iabc_filted[1], iabc_filted[2], &iAB);
  256. #endif
  257. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  258. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  259. }
  260. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  261. /* update id pi ctrl */
  262. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  263. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  264. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  265. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  266. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  267. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  268. }
  269. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  270. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  271. }
  272. /* update iq pi ctrl */
  273. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  274. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  275. }
  276. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  277. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  278. }
  279. }
  280. #ifdef CONFIG_DQ_STEP_RESPONSE
  281. float target_d = 0.0f;
  282. float target_q = 0.0f;
  283. #endif
  284. static u32 PMSM_FOC_Debug_Task(void *p) {
  285. if (gFoc_Ctrl.in.b_motEnable) {
  286. #ifdef CONFIG_DQ_STEP_RESPONSE
  287. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  288. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  289. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  290. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  291. }
  292. #else
  293. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  294. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  295. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  296. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  297. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  298. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  299. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  300. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  301. }
  302. #endif
  303. }
  304. return 1;
  305. }
  306. void PMSM_FOC_Schedule(void) {
  307. gFoc_Ctrl.ctrl_count++;
  308. PMSM_FOC_Update_Hardware();
  309. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  310. PMSM_FOC_Update_PI_Idq();
  311. #ifndef CONFIG_DQ_STEP_RESPONSE
  312. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  313. #endif
  314. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  315. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  316. #ifndef CONFIG_DQ_STEP_RESPONSE
  317. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  318. #endif
  319. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  320. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  321. }else {
  322. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  323. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  324. }
  325. 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);
  326. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  327. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  328. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  329. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  330. phase_current_point(&gFoc_Ctrl.out);
  331. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  332. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  333. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  334. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  335. if (gFoc_Ctrl.plot_type != Plot_None) {
  336. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  337. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  338. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  339. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  340. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  341. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  342. #ifdef CONFIG_SMO_OBSERVER
  343. float delta = gFoc_Ctrl.in.s_smoAngle - gFoc_Ctrl.in.s_hallAngle;
  344. if (delta > 180) {
  345. delta -= 360;
  346. }else if (delta < -180) {
  347. delta += 360;
  348. }
  349. plot_3data16(gFoc_Ctrl.in.s_hallAngle, gFoc_Ctrl.in.s_smoAngle, delta);
  350. #endif
  351. }
  352. }
  353. }
  354. }
  355. void PMSM_FOC_LogDebug(void) {
  356. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  357. }
  358. /*called in media task */
  359. u8 PMSM_FOC_CtrlMode(void) {
  360. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  361. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  362. gFoc_Ctrl.in.b_cruiseEna = false;
  363. }
  364. if (!gFoc_Ctrl.in.b_motEnable) {
  365. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  366. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  367. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  368. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  369. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  370. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  371. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  372. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  373. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  374. }else {
  375. if (!gFoc_Ctrl.in.b_cruiseEna) {
  376. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  377. }
  378. }
  379. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  380. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  381. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  382. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  383. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  384. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  385. target_troque = PMSM_FOC_Get_Real_Torque();
  386. }
  387. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  388. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  389. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  390. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  391. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  392. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  393. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  394. }
  395. }
  396. return gFoc_Ctrl.out.n_RunMode;
  397. }
  398. static void crosszero_step_towards(float *value, float target) {
  399. float v_now = *value;
  400. bool cross_zero = false;
  401. if (target > 0) {
  402. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  403. step_towards(value, target, 0.05f);
  404. cross_zero = true;
  405. }
  406. }else if (target == 0) {
  407. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  408. step_towards(value, target, 0.05f);
  409. cross_zero = true;
  410. }
  411. }else {
  412. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  413. step_towards(value, target, 0.02f);
  414. cross_zero = true;
  415. }
  416. }
  417. if (!cross_zero) {
  418. *value = target;
  419. }
  420. }
  421. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  422. static __INLINE void PMSM_FOC_FieldWeak(void) {
  423. if (!gFoc_Ctrl.in.b_fwEnable) {
  424. return;
  425. }
  426. }
  427. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  428. #if 1
  429. PI_Ctrl_Power.max = maxTrq;
  430. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - ABS(gFoc_Ctrl.out.s_FilteriDC);
  431. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  432. #else
  433. return maxTrq;
  434. #endif
  435. }
  436. static __INLINE void PMSM_FOC_idq_Assign(void) {
  437. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  438. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  439. float s, c;
  440. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  441. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  442. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  443. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  444. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  445. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  446. }
  447. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  448. }else {
  449. gFoc_Ctrl.in.s_targetIdq.d = 0;
  450. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  451. }
  452. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  453. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  454. PMSM_FOC_FieldWeak();
  455. }
  456. u32 mask = cpu_enter_critical();
  457. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  458. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  459. cpu_exit_critical(mask);
  460. }
  461. /*called in media task */
  462. void PMSM_FOC_idqCalc(void) {
  463. if (gFoc_Ctrl.in.b_AutoHold) {
  464. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  465. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  466. float vel_count = motor_encoder_get_vel_count();
  467. float errRef = 0 - vel_count;
  468. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  469. PMSM_FOC_idq_Assign();
  470. return;
  471. }
  472. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  473. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  474. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  475. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  476. gFoc_Ctrl.in.s_targetCurrent = 0;
  477. }
  478. }
  479. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  480. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  481. if (refTorque >= 0) {
  482. gFoc_Ctrl.pi_torque->max = refTorque;
  483. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_CURRENT;
  484. }else {
  485. gFoc_Ctrl.pi_torque->min = refTorque;
  486. gFoc_Ctrl.pi_torque->max = 0;
  487. }
  488. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  489. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  490. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  491. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  492. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  493. float maxSpeed = eCtrl_get_FinalSpeed();
  494. float refSpeed = eCtrl_get_RefSpeed();
  495. if (gFoc_Ctrl.in.b_cruiseEna) {
  496. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  497. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  498. }
  499. if (maxSpeed >= 0) {
  500. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  501. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_CURRENT;
  502. }else if (maxSpeed < 0) {
  503. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  504. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_CURRENT;
  505. }
  506. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  507. gFoc_Ctrl.pi_speed->max = 0;
  508. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  509. }
  510. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  511. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  512. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  513. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  514. }
  515. PMSM_FOC_idq_Assign();
  516. }
  517. bool PMSM_FOC_RunTime_Limit(void) {
  518. bool changed = false;
  519. float dclim = (float)vbus_current_vol_lower_limit();
  520. float phaselim = (float)phase_current_temp_high_limit();
  521. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.hwLim.s_iDCMax;
  522. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  523. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  524. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  525. }
  526. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  527. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  528. }
  529. if (gFoc_Ctrl.protLim.s_iDCLim != dclim || gFoc_Ctrl.protLim.s_PhaseCurrLim != phaselim) {
  530. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  531. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  532. changed = true;
  533. }
  534. return changed;
  535. }
  536. void PMSM_FOC_Slow_Task(void) {
  537. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  538. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  539. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  540. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  541. PMSM_FOC_idqCalc();
  542. }
  543. float PMSM_FOC_Get_Real_Torque(void) {
  544. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  545. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  546. }
  547. return gFoc_Ctrl.out.s_RealCurrent;
  548. }
  549. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  550. return &gFoc_Ctrl;
  551. }
  552. void PMSM_FOC_Start(u8 nCtrlMode) {
  553. if (gFoc_Ctrl.in.b_motEnable) {
  554. return;
  555. }
  556. PMSM_FOC_CoreInit();
  557. eCtrl_Reset();
  558. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  559. gFoc_Ctrl.in.b_motEnable = true;
  560. }
  561. void PMSM_FOC_Stop(void) {
  562. if (!gFoc_Ctrl.in.b_motEnable) {
  563. return;
  564. }
  565. PMSM_FOC_CoreInit();
  566. gFoc_Ctrl.in.b_motEnable = false;
  567. }
  568. bool PMSM_FOC_Is_Start(void) {
  569. return gFoc_Ctrl.in.b_motEnable;
  570. }
  571. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  572. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  573. if (ibusLimit > minCurr) {
  574. ibusLimit = minCurr;
  575. }
  576. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  577. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  578. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  579. }else {
  580. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  581. }
  582. }
  583. float PMSM_FOC_GetDCCurrLimit(void) {
  584. return gFoc_Ctrl.userLim.s_iDCLim;
  585. }
  586. void PMSM_FOC_SpeedLimit(float speedLimit) {
  587. PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  588. }
  589. void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
  590. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  591. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  592. }
  593. bool need_reset = false;
  594. if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
  595. need_reset = true;
  596. }
  597. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  598. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
  599. if (need_reset) {
  600. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
  601. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
  602. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
  603. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
  604. }
  605. }
  606. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
  607. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  608. }else {
  609. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  610. }
  611. }
  612. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  613. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  614. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  615. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  616. }
  617. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  618. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  619. }
  620. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  621. if (gFoc_Ctrl.in.s_motRPM == 0) {
  622. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  623. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  624. }else {
  625. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  626. }
  627. }
  628. float PMSM_FOC_GetSpeedLimit(void) {
  629. return gFoc_Ctrl.userLim.s_motRPMLim;
  630. }
  631. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  632. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  633. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  634. }
  635. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  636. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  637. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit);
  638. }else {
  639. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  640. }
  641. }
  642. float PMSM_FOC_GetTorqueLimit(void) {
  643. return gFoc_Ctrl.userLim.s_torqueLim;
  644. }
  645. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  646. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  647. }
  648. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  649. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  650. }
  651. float PMSM_FOC_GetVbusVoltage(void) {
  652. return gFoc_Ctrl.in.s_vDC;
  653. }
  654. float PMSM_FOC_GetVbusCurrent(void) {
  655. return gFoc_Ctrl.out.s_FilteriDC;
  656. }
  657. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  658. return &gFoc_Ctrl.out.s_RealIdq;
  659. }
  660. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  661. if (mode > CTRL_MODE_CURRENT_BRK) {
  662. PMSM_FOC_SetErrCode(FOC_Param_Err);
  663. return false;
  664. }
  665. gFoc_Ctrl.in.n_ctlMode = mode;
  666. return true;
  667. }
  668. u8 PMSM_FOC_GetCtrlMode(void) {
  669. return gFoc_Ctrl.in.n_ctlMode;
  670. }
  671. void PMSM_FOC_PhaseCurrLim(float lim) {
  672. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  673. if (lim > minCurr) {
  674. lim = minCurr;
  675. }
  676. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  677. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  678. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
  679. }else {
  680. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  681. }
  682. }
  683. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  684. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  685. if (lim > minCurr) {
  686. lim = minCurr;
  687. }
  688. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  689. }
  690. float PMSM_FOC_GetPhaseCurrLim(void) {
  691. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  692. }
  693. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  694. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  695. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  696. }
  697. bool PMSM_FOC_EnableCruise(bool enable) {
  698. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  699. float motSpd = PMSM_FOC_GetSpeed();
  700. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  701. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  702. return false;
  703. }
  704. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  705. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  706. gFoc_Ctrl.in.b_cruiseEna = enable;
  707. }
  708. return true;
  709. }
  710. bool PMSM_FOC_Is_CruiseEnabled(void) {
  711. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  712. }
  713. bool PMSM_FOC_Set_Speed(float rpm) {
  714. if (gFoc_Ctrl.in.b_cruiseEna) {
  715. return false;
  716. }
  717. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  718. return true;
  719. }
  720. #if 0
  721. bool PMSM_FOC_Set_epmMode(bool epm) {
  722. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  723. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  724. return false;
  725. }
  726. if (gFoc_Ctrl.in.b_epmMode != epm) {
  727. if (PMSM_FOC_GetSpeed() != 0.0f) {
  728. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  729. return false;
  730. }
  731. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  732. gFoc_Ctrl.in.b_epmMode = epm;
  733. if (epm) {
  734. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  735. eCtrl_set_TgtSpeed(0);
  736. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  737. }else {
  738. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  739. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  740. }
  741. }
  742. return true;
  743. }
  744. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  745. if (!gFoc_Ctrl.in.b_epmMode) {
  746. return false;
  747. }
  748. if (move) {
  749. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  750. return false;
  751. }
  752. gFoc_Ctrl.in.epmDirection = dir;
  753. }else {
  754. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  755. }
  756. return true;
  757. }
  758. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  759. return gFoc_Ctrl.in.epmDirection;
  760. }
  761. #endif
  762. bool PMSM_FOC_Set_Current(float is) {
  763. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  764. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  765. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  766. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  767. }
  768. eCtrl_set_TgtCurrent(is);
  769. return true;
  770. }
  771. bool PMSM_FOC_Set_Torque(float trq) {
  772. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  773. trq = gFoc_Ctrl.userLim.s_torqueLim;
  774. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  775. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  776. }
  777. eCtrl_set_TgtTorque(trq);
  778. return true;
  779. }
  780. void PMSM_FOC_Reset_Torque(void) {
  781. float real_trq = PMSM_FOC_Get_Real_Torque();
  782. eCtrl_reset_Torque(real_trq);
  783. }
  784. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  785. if (PMSM_FOC_Is_CruiseEnabled()) {
  786. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  787. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  788. return false;
  789. }
  790. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  791. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  792. return true;
  793. }
  794. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  795. return false;
  796. }
  797. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  798. if (enable) {
  799. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  800. gFoc_Ctrl.in.s_manualAngle = 0;
  801. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  802. }else {
  803. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  804. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  805. }
  806. }
  807. void PMSM_FOC_Set_Angle(float angle) {
  808. gFoc_Ctrl.in.s_manualAngle = (angle);
  809. }
  810. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  811. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  812. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  813. }
  814. float PMSM_FOC_GetSpeed(void) {
  815. return gFoc_Ctrl.in.s_motRPM;
  816. }
  817. void PMSM_FOC_AutoHold(bool lock) {
  818. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  819. motor_encoder_lock_pos(lock);
  820. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  821. if (!lock) {
  822. //解锁后为了防止倒溜,需要把当前
  823. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  824. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  825. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  826. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  827. }
  828. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  829. }
  830. gFoc_Ctrl.in.b_AutoHold = lock;
  831. }
  832. }
  833. bool PMSM_FOC_AutoHoldding(void) {
  834. return gFoc_Ctrl.in.b_AutoHold;
  835. }
  836. static PI_Controller *_pid(u8 id) {
  837. PI_Controller *pi = NULL;
  838. if (id == PID_D_id) {
  839. pi = gFoc_Ctrl.pi_id;
  840. }else if (id == PID_Q_id) {
  841. pi = gFoc_Ctrl.pi_iq;
  842. }else if (id == PID_TRQ_id) {
  843. pi = gFoc_Ctrl.pi_torque;
  844. }else if (id == PID_Spd_id) {
  845. pi = gFoc_Ctrl.pi_speed;
  846. }
  847. return pi;
  848. }
  849. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  850. if (id > PID_Max_id) {
  851. return;
  852. }
  853. PI_Controller *pi = _pid(id);
  854. if (pi != NULL) {
  855. pi->kp = kp;
  856. pi->ki = ki;
  857. pi->kb = kb;
  858. }
  859. }
  860. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  861. if (id > PID_Max_id) {
  862. return;
  863. }
  864. PI_Controller *pi = _pid(id);
  865. if (pi != NULL) {
  866. *kp = pi->kp;
  867. *ki = pi->ki;
  868. *kb = pi->kb;
  869. }
  870. }
  871. void PMSM_FOC_SetErrCode(u8 error) {
  872. if (gFoc_Ctrl.out.n_Error != error) {
  873. gFoc_Ctrl.out.n_Error = error;
  874. }
  875. }
  876. u8 PMSM_FOC_GetErrCode(void) {
  877. return gFoc_Ctrl.out.n_Error;
  878. }
  879. void PMSM_FOC_SetCriticalError(u8 err) {
  880. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  881. }
  882. void PMSM_FOC_ClrCriticalError(u8 err) {
  883. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  884. }
  885. u32 PMSM_FOC_GetCriticalError(void) {
  886. return gFoc_Ctrl.out.n_CritiCalErrMask;
  887. }
  888. void PMSM_FOC_Set_PlotType(Plot_t t) {
  889. gFoc_Ctrl.plot_type = t;
  890. }
  891. //获取母线电流和实际输出电流矢量大小
  892. void PMSM_FOC_Calc_Current(void) {
  893. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  894. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  895. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  896. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  897. /*
  898. 根据公式(等幅值变换,功率不等):
  899. iDC x vDC = 2/3(iq x vq + id x vd);
  900. */
  901. float m_pow = (vd * id + vq * iq); //s32q10
  902. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  903. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  904. raw_idc = get_vbus_current();
  905. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  906. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  907. }
  908. void PMSM_FOC_Brake(bool brake) {
  909. gFoc_Ctrl.in.b_eBrake = brake;
  910. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  911. gFoc_Ctrl.in.b_cruiseEna = false;
  912. }
  913. eCtrl_brake_signal(brake);
  914. }