PMSM_FOC_Core.c 32 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. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  19. PMSM_FOC_Ctrl gFoc_Ctrl;
  20. static Fir_t phase1, phase2;
  21. static bool g_focinit = false;
  22. static u32 PMSM_FOC_Debug_Task(void *p);
  23. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  24. float c,s;
  25. #if 0
  26. SinCos_Lut(angle, &s, &c);
  27. #else
  28. s = gFoc_Ctrl.out.sin;
  29. c = gFoc_Ctrl.out.cos;
  30. #endif
  31. alpha_beta->a = dq->d * c - dq->q * s;
  32. alpha_beta->b = dq->d * s + dq->q * c;
  33. }
  34. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  35. alpha_beta->a = A;
  36. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  37. }
  38. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  39. float c,s;
  40. #if 0
  41. SinCos_Lut(angle, &s, &c);
  42. #else
  43. s = gFoc_Ctrl.out.sin;
  44. c = gFoc_Ctrl.out.cos;
  45. #endif
  46. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  47. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  48. }
  49. #define VD_PRIO_HIGH
  50. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  51. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  52. float vDC_m = vDC * module;
  53. float sq_vDC = vDC_m * vDC_m;
  54. if (sq_vdq > sq_vDC) {
  55. #ifdef VD_PRIO_HIGH
  56. out->d = vdq->d;
  57. out->q = sqrtf(sq_vDC - out->d*out->d);
  58. #else
  59. float r = sqrtf(sq_vDC / sq_vdq);
  60. out->d = vdq->d * r;
  61. out->q = vdq->q * r;
  62. #endif
  63. }else {
  64. out->d = vdq->d;
  65. out->q = vdq->q;
  66. }
  67. return sqrtf(sq_vdq/sq_vDC);
  68. }
  69. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  70. float cp = c->s_Cp;
  71. c->s_FinalTgt = target;
  72. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  73. }
  74. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  75. if (++c->n_StepCount == c->n_CtrlCount) {
  76. c->s_Cp += c->s_Step;
  77. if (c->s_Step < 0) {
  78. if (c->s_Cp < c->s_FinalTgt) {
  79. c->s_Cp = c->s_FinalTgt;
  80. }
  81. }else {
  82. if (c->s_Cp > c->s_FinalTgt) {
  83. c->s_Cp = c->s_FinalTgt;
  84. }
  85. }
  86. c->n_StepCount = 0;
  87. }
  88. return c->s_Cp;
  89. }
  90. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  91. c->n_CtrlCount = count;
  92. c->n_StepCount = 0;
  93. c->s_Cp = 0;
  94. c->s_FinalTgt = 0;
  95. c->s_Step = 0;
  96. }
  97. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  98. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  99. }
  100. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  101. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  102. }
  103. static void PMSM_FOC_Reset_PID(void) {
  104. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  109. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  110. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  111. }
  112. static void PMSM_FOC_Conf_PID(void) {
  113. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  114. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  115. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  116. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  117. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  118. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  119. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  120. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  121. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  122. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  123. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  124. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  125. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  126. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  127. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  128. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  129. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  130. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  131. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  132. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  133. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  134. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  135. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  136. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  137. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  138. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  139. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  140. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  141. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  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. }
  155. void PMSM_FOC_RT_LimInit(void) {
  156. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  157. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  160. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  161. }
  162. void PMSM_FOC_CoreInit(void) {
  163. Fir_init(&phase1);
  164. Fir_init(&phase2);
  165. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  166. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  167. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  168. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  169. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  170. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  171. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  172. PMSM_FOC_Conf_PID();
  173. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  174. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  175. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  176. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  177. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  178. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  179. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  180. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  181. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  182. if (!g_focinit) {
  183. PMSM_FOC_UserInit();
  184. PMSM_FOC_RT_LimInit();
  185. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  186. g_focinit = true;
  187. _DEBUG("User Limit:\n");
  188. _DEBUG("dc %f, rpm %f, torque %f, phase %f, vDCmax %f, vDCmin %f, ebrk %f\n", gFoc_Ctrl.userLim.s_iDCLim, gFoc_Ctrl.userLim.s_motRPMLim, gFoc_Ctrl.userLim.s_torqueLim,
  189. gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_PhaseCurreBrkLim);
  190. _DEBUG("Hw Limit:\n");
  191. _DEBUG("dc %f, rpm %f, torque %f, phase %f\n", gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.hwLim.s_motRPMMax, gFoc_Ctrl.hwLim.s_torqueMax, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  192. }
  193. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  194. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  195. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  196. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  197. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  198. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  199. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  200. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  201. gFoc_Ctrl.out.f_vdqRation = 0;
  202. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  203. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  204. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  205. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  206. PMSM_FOC_Reset_PID();
  207. foc_observer_init();
  208. gFoc_Ctrl.plot_type = Plot_None;
  209. }
  210. //#define CONFIG_USER_PHASE_LFP
  211. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  212. AB_t iAB;
  213. #ifdef CONFIG_USER_PHASE_LFP
  214. float *iabc_filted = gFoc_Ctrl.in.s_iABCComp;
  215. #endif
  216. float *iabc = gFoc_Ctrl.in.s_iABC;
  217. phase_current_get(gFoc_Ctrl.in.s_iABC);
  218. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  219. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  220. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  221. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  222. }else {
  223. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  224. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  225. }
  226. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  227. #ifdef CONFIG_DQ_STEP_RESPONSE
  228. gFoc_Ctrl.in.s_hallAngle = 0;
  229. gFoc_Ctrl.in.s_motAngle = 0;
  230. #endif
  231. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  232. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  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. #if 0
  322. float eW = gFoc_Ctrl.in.s_motRPM * PI/ 30.0f * gFoc_Ctrl.params.n_poles; //电角速度
  323. float ff_d = -eW * MOTOR_Lq * gFoc_Ctrl.out.s_RealIdq.q;
  324. gFoc_Ctrl.in.s_targetVdq.d += fclamp(ff_d, -10.0f, 0);
  325. #endif
  326. }else {
  327. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  328. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  329. }
  330. 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);
  331. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  332. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  333. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  334. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  335. phase_current_point(&gFoc_Ctrl.out);
  336. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  337. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  338. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  339. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  340. if (gFoc_Ctrl.plot_type != Plot_None) {
  341. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  342. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  343. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  344. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  345. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  346. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  347. #ifdef CONFIG_SMO_OBSERVER
  348. float smo_angle = foc_observer_smo_angle();
  349. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  350. if (delta > 180) {
  351. delta -= 360;
  352. }else if (delta < -180) {
  353. delta += 360;
  354. }
  355. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  356. #endif
  357. }
  358. }
  359. }
  360. }
  361. void PMSM_FOC_LogDebug(void) {
  362. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  363. }
  364. /*called in media task */
  365. u8 PMSM_FOC_CtrlMode(void) {
  366. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  367. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  368. gFoc_Ctrl.in.b_cruiseEna = false;
  369. }
  370. if (!gFoc_Ctrl.in.b_motEnable) {
  371. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  372. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  373. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  374. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  375. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  376. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  377. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  378. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  379. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  380. }else {
  381. if (!gFoc_Ctrl.in.b_cruiseEna) {
  382. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  383. }
  384. }
  385. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  386. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  387. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  388. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  389. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  390. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  391. target_troque = PMSM_FOC_Get_Real_Torque();
  392. }
  393. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  394. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  395. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  396. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  397. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  398. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  399. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  400. }
  401. }
  402. return gFoc_Ctrl.out.n_RunMode;
  403. }
  404. static void crosszero_step_towards(float *value, float target) {
  405. float v_now = *value;
  406. bool cross_zero = false;
  407. if (target > 0) {
  408. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  409. step_towards(value, target, 0.05f);
  410. cross_zero = true;
  411. }
  412. }else if (target == 0) {
  413. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  414. step_towards(value, target, 0.05f);
  415. cross_zero = true;
  416. }
  417. }else {
  418. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  419. step_towards(value, target, 0.02f);
  420. cross_zero = true;
  421. }
  422. }
  423. if (!cross_zero) {
  424. *value = target;
  425. }
  426. }
  427. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  428. static __INLINE void PMSM_FOC_FieldWeak(void) {
  429. if (!gFoc_Ctrl.in.b_fwEnable) {
  430. return;
  431. }
  432. }
  433. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  434. #if 1
  435. gFoc_Ctrl.pi_power->max = maxTrq;
  436. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  437. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  438. #else
  439. return maxTrq;
  440. #endif
  441. }
  442. static __INLINE float PMSM_FOC_Limit_Speed(float refTorque) {
  443. #if 1
  444. if (refTorque >= 0) {
  445. gFoc_Ctrl.pi_torque->max = refTorque;
  446. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_TORQUE;
  447. }else {
  448. gFoc_Ctrl.pi_torque->min = refTorque;
  449. gFoc_Ctrl.pi_torque->max = 0;
  450. }
  451. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  452. float trq_res = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  453. return trq_res;
  454. #else
  455. return refTorque;
  456. #endif
  457. }
  458. static __INLINE void PMSM_FOC_idq_Assign(void) {
  459. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  460. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  461. float s, c;
  462. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  463. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  464. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  465. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  466. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  467. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  468. }
  469. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  470. }else {
  471. gFoc_Ctrl.in.s_targetIdq.d = 0;
  472. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  473. }
  474. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  475. trq2dq_lookup((int)gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  476. PMSM_FOC_FieldWeak();
  477. }
  478. u32 mask = cpu_enter_critical();
  479. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  480. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  481. cpu_exit_critical(mask);
  482. }
  483. /*called in media task */
  484. void PMSM_FOC_idqCalc(void) {
  485. if (gFoc_Ctrl.in.b_AutoHold) {
  486. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_TORQUE_LIM;
  487. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_TORQUE_LIM;
  488. float vel_count = motor_encoder_get_vel_count();
  489. float errRef = 0 - vel_count;
  490. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  491. PMSM_FOC_idq_Assign();
  492. return;
  493. }
  494. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  495. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  496. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  497. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  498. gFoc_Ctrl.in.s_targetCurrent = 0;
  499. }
  500. }
  501. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  502. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  503. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  504. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  505. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  506. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  507. float maxSpeed = eCtrl_get_FinalSpeed();
  508. float refSpeed = eCtrl_get_RefSpeed();
  509. if (gFoc_Ctrl.in.b_cruiseEna) {
  510. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  511. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  512. }
  513. if (maxSpeed >= 0) {
  514. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  515. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  516. }else if (maxSpeed < 0) {
  517. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  518. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  519. }
  520. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  521. gFoc_Ctrl.pi_speed->max = 0;
  522. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  523. }
  524. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  525. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  526. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  527. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  528. }
  529. PMSM_FOC_idq_Assign();
  530. }
  531. bool PMSM_FOC_RunTime_Limit(void) {
  532. bool changed = false;
  533. float dc_lim = (float)vbus_current_vol_lower_limit();
  534. float torque_lim = (float)torque_temp_high_limit();
  535. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  536. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  537. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  538. changed = true;
  539. }
  540. return changed;
  541. }
  542. void PMSM_FOC_Slow_Task(void) {
  543. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  544. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  545. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  546. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  547. PMSM_FOC_idqCalc();
  548. }
  549. float PMSM_FOC_Get_Real_Torque(void) {
  550. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  551. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  552. }
  553. return gFoc_Ctrl.out.s_RealCurrent;
  554. }
  555. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  556. return &gFoc_Ctrl;
  557. }
  558. void PMSM_FOC_Start(u8 nCtrlMode) {
  559. if (gFoc_Ctrl.in.b_motEnable) {
  560. return;
  561. }
  562. PMSM_FOC_CoreInit();
  563. eCtrl_Reset();
  564. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  565. gFoc_Ctrl.in.b_motEnable = true;
  566. }
  567. void PMSM_FOC_Stop(void) {
  568. if (!gFoc_Ctrl.in.b_motEnable) {
  569. return;
  570. }
  571. PMSM_FOC_CoreInit();
  572. gFoc_Ctrl.in.b_motEnable = false;
  573. }
  574. bool PMSM_FOC_Is_Start(void) {
  575. return gFoc_Ctrl.in.b_motEnable;
  576. }
  577. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  578. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  579. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  580. }
  581. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  582. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  583. }
  584. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  585. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  586. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  587. }else {
  588. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  589. }
  590. }
  591. float PMSM_FOC_GetDCCurrLimit(void) {
  592. return gFoc_Ctrl.userLim.s_iDCLim;
  593. }
  594. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  595. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  596. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  597. }
  598. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  599. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  600. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  601. }else {
  602. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  603. }
  604. }
  605. void PMSM_FOC_SpeedLimit(float speedLimit) {
  606. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  607. }
  608. void PMSM_FOC_SpeedDirectLimit(float limit) {
  609. PMSM_FOC_SpeedRampLimit(limit, 0);
  610. }
  611. float PMSM_FOC_GetSpeedLimit(void) {
  612. return gFoc_Ctrl.userLim.s_motRPMLim;
  613. }
  614. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  615. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  616. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  617. }
  618. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  619. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  620. }
  621. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  622. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  623. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  624. }else {
  625. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  626. }
  627. }
  628. float PMSM_FOC_GetTorqueLimit(void) {
  629. return gFoc_Ctrl.userLim.s_torqueLim;
  630. }
  631. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  632. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  633. }
  634. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  635. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  636. }
  637. float PMSM_FOC_GetVbusVoltage(void) {
  638. return gFoc_Ctrl.in.s_vDC;
  639. }
  640. float PMSM_FOC_GetVbusCurrent(void) {
  641. return gFoc_Ctrl.out.s_FilteriDC;
  642. }
  643. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  644. return &gFoc_Ctrl.out.s_RealIdq;
  645. }
  646. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  647. if (mode > CTRL_MODE_EBRAKE) {
  648. PMSM_FOC_SetErrCode(FOC_Param_Err);
  649. return false;
  650. }
  651. gFoc_Ctrl.in.n_ctlMode = mode;
  652. return true;
  653. }
  654. u8 PMSM_FOC_GetCtrlMode(void) {
  655. return gFoc_Ctrl.in.n_ctlMode;
  656. }
  657. void PMSM_FOC_PhaseCurrLim(float lim) {
  658. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  659. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  660. }
  661. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  662. }
  663. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  664. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  665. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  666. }
  667. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  668. }
  669. float PMSM_FOC_GetPhaseCurrLim(void) {
  670. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  671. }
  672. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  673. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  674. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  675. }
  676. bool PMSM_FOC_EnableCruise(bool enable) {
  677. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  678. float motSpd = PMSM_FOC_GetSpeed();
  679. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  680. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  681. return false;
  682. }
  683. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  684. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  685. gFoc_Ctrl.in.b_cruiseEna = enable;
  686. }
  687. return true;
  688. }
  689. bool PMSM_FOC_Is_CruiseEnabled(void) {
  690. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  691. }
  692. bool PMSM_FOC_Set_Speed(float rpm) {
  693. if (gFoc_Ctrl.in.b_cruiseEna) {
  694. return false;
  695. }
  696. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  697. return true;
  698. }
  699. #if 0
  700. bool PMSM_FOC_Set_epmMode(bool epm) {
  701. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  702. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  703. return false;
  704. }
  705. if (gFoc_Ctrl.in.b_epmMode != epm) {
  706. if (PMSM_FOC_GetSpeed() != 0.0f) {
  707. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  708. return false;
  709. }
  710. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  711. gFoc_Ctrl.in.b_epmMode = epm;
  712. if (epm) {
  713. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  714. eCtrl_set_TgtSpeed(0);
  715. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  716. }else {
  717. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  718. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  719. }
  720. }
  721. return true;
  722. }
  723. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  724. if (!gFoc_Ctrl.in.b_epmMode) {
  725. return false;
  726. }
  727. if (move) {
  728. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  729. return false;
  730. }
  731. gFoc_Ctrl.in.epmDirection = dir;
  732. }else {
  733. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  734. }
  735. return true;
  736. }
  737. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  738. return gFoc_Ctrl.in.epmDirection;
  739. }
  740. #endif
  741. bool PMSM_FOC_Set_Current(float is) {
  742. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  743. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  744. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  745. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  746. }
  747. eCtrl_set_TgtCurrent(is);
  748. return true;
  749. }
  750. bool PMSM_FOC_Set_Torque(float trq) {
  751. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  752. trq = gFoc_Ctrl.userLim.s_torqueLim;
  753. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  754. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  755. }
  756. eCtrl_set_TgtTorque(trq);
  757. return true;
  758. }
  759. void PMSM_FOC_Reset_Torque(void) {
  760. float real_trq = PMSM_FOC_Get_Real_Torque();
  761. eCtrl_reset_Torque(real_trq);
  762. }
  763. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  764. if (PMSM_FOC_Is_CruiseEnabled()) {
  765. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  766. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  767. return false;
  768. }
  769. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  770. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  771. return true;
  772. }
  773. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  774. return false;
  775. }
  776. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  777. if (enable) {
  778. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  779. gFoc_Ctrl.in.s_manualAngle = 0;
  780. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  781. }else {
  782. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  783. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  784. }
  785. }
  786. void PMSM_FOC_Set_Angle(float angle) {
  787. gFoc_Ctrl.in.s_manualAngle = (angle);
  788. }
  789. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  790. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  791. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  792. }
  793. float PMSM_FOC_GetSpeed(void) {
  794. return gFoc_Ctrl.in.s_motRPM;
  795. }
  796. void PMSM_FOC_AutoHold(bool lock) {
  797. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  798. motor_encoder_lock_pos(lock);
  799. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  800. if (!lock) {
  801. //解锁后为了防止倒溜,需要把当前
  802. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  803. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  804. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  805. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  806. }
  807. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  808. }
  809. gFoc_Ctrl.in.b_AutoHold = lock;
  810. }
  811. }
  812. bool PMSM_FOC_AutoHoldding(void) {
  813. return gFoc_Ctrl.in.b_AutoHold;
  814. }
  815. static PI_Controller *_pid(u8 id) {
  816. PI_Controller *pi = NULL;
  817. if (id == PID_D_id) {
  818. pi = gFoc_Ctrl.pi_id;
  819. }else if (id == PID_Q_id) {
  820. pi = gFoc_Ctrl.pi_iq;
  821. }else if (id == PID_TRQ_id) {
  822. pi = gFoc_Ctrl.pi_torque;
  823. }else if (id == PID_Spd_id) {
  824. pi = gFoc_Ctrl.pi_speed;
  825. }
  826. return pi;
  827. }
  828. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  829. if (id > PID_Max_id) {
  830. return;
  831. }
  832. PI_Controller *pi = _pid(id);
  833. if (pi != NULL) {
  834. pi->kp = kp;
  835. pi->ki = ki;
  836. pi->kb = kb;
  837. }
  838. }
  839. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  840. if (id > PID_Max_id) {
  841. return;
  842. }
  843. PI_Controller *pi = _pid(id);
  844. if (pi != NULL) {
  845. *kp = pi->kp;
  846. *ki = pi->ki;
  847. *kb = pi->kb;
  848. }
  849. }
  850. void PMSM_FOC_SetErrCode(u8 error) {
  851. if (gFoc_Ctrl.out.n_Error != error) {
  852. gFoc_Ctrl.out.n_Error = error;
  853. }
  854. }
  855. u8 PMSM_FOC_GetErrCode(void) {
  856. return gFoc_Ctrl.out.n_Error;
  857. }
  858. void PMSM_FOC_SetCriticalError(u8 err) {
  859. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  860. }
  861. void PMSM_FOC_ClrCriticalError(u8 err) {
  862. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  863. }
  864. u32 PMSM_FOC_GetCriticalError(void) {
  865. return gFoc_Ctrl.out.n_CritiCalErrMask;
  866. }
  867. void PMSM_FOC_Set_PlotType(Plot_t t) {
  868. gFoc_Ctrl.plot_type = t;
  869. }
  870. //获取母线电流和实际输出电流矢量大小
  871. void PMSM_FOC_Calc_Current(void) {
  872. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  873. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  874. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  875. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  876. /*
  877. 根据公式(等幅值变换,功率不等):
  878. iDC x vDC = 2/3(iq x vq + id x vd);
  879. */
  880. float m_pow = (vd * id + vq * iq); //s32q10
  881. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  882. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  883. raw_idc = get_vbus_current();
  884. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  885. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  886. }
  887. void PMSM_FOC_Brake(bool brake) {
  888. gFoc_Ctrl.in.b_eBrake = brake;
  889. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  890. gFoc_Ctrl.in.b_cruiseEna = false;
  891. }
  892. eCtrl_brake_signal(brake);
  893. }