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/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. #ifdef CONFIG_SPEED_LADRC
  112. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  113. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  114. #endif
  115. }
  116. static void PMSM_FOC_Conf_PID(void) {
  117. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  118. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  119. gFoc_Ctrl.pi_id->kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  120. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  121. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  122. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  123. gFoc_Ctrl.pi_iq->kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  124. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  125. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  126. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  127. gFoc_Ctrl.pi_torque->kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  128. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  129. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  130. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  131. gFoc_Ctrl.pi_speed->kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  132. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  133. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  134. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  135. gFoc_Ctrl.pi_power->kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  136. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  137. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  138. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  139. gFoc_Ctrl.pi_lock->kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  140. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  141. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  142. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  143. gFoc_Ctrl.pi_fw->kd = nv_get_foc_params()->pid_conf[PID_FW_id].kd;
  144. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  145. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  146. #ifdef CONFIG_SPEED_LADRC
  147. ladrc_init(&gFoc_Ctrl.vel_lim_adrc, 1.0f/(float)CONFIG_SPD_CTRL_TS, CONFIG_LADRC_Wo, CONFIG_LADRC_Wcv, CONFIG_LADRC_B0);
  148. ladrc_init(&gFoc_Ctrl.vel_adrc, 1.0f/(float)CONFIG_SPD_CTRL_TS, CONFIG_LADRC_Wo, CONFIG_LADRC_Wcv, CONFIG_LADRC_B0);
  149. #endif
  150. }
  151. static void PMSM_FOC_UserInit(void) {
  152. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  153. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  154. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  155. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  156. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  157. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  158. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  159. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  160. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  161. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  162. }
  163. void PMSM_FOC_RT_LimInit(void) {
  164. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  165. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  166. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  167. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  168. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  169. }
  170. void PMSM_FOC_CoreInit(void) {
  171. Fir_init(&phase1);
  172. Fir_init(&phase2);
  173. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  174. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  175. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  176. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  177. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  178. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  179. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  180. PMSM_FOC_Conf_PID();
  181. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  182. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  183. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  184. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  185. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  186. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  187. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  188. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  189. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  190. if (!g_focinit) {
  191. PMSM_FOC_UserInit();
  192. PMSM_FOC_RT_LimInit();
  193. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  194. g_focinit = true;
  195. _DEBUG("User Limit:\n");
  196. _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,
  197. gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_PhaseCurreBrkLim);
  198. _DEBUG("Hw Limit:\n");
  199. _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);
  200. }
  201. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  202. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  203. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  204. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  205. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  206. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  207. gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  208. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  209. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  210. gFoc_Ctrl.out.f_vdqRation = 0;
  211. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  212. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  213. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  214. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  215. PMSM_FOC_Reset_PID();
  216. foc_observer_init();
  217. gFoc_Ctrl.plot_type = Plot_None;
  218. }
  219. //#define CONFIG_USER_PHASE_LFP
  220. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  221. AB_t iAB;
  222. #ifdef CONFIG_USER_PHASE_LFP
  223. float *iabc_filted = gFoc_Ctrl.in.s_iABCComp;
  224. #endif
  225. float *iabc = gFoc_Ctrl.in.s_iABC;
  226. phase_current_get(gFoc_Ctrl.in.s_iABC);
  227. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  228. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  229. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  230. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  231. }else {
  232. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  233. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  234. }
  235. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  236. #ifdef CONFIG_DQ_STEP_RESPONSE
  237. gFoc_Ctrl.in.s_hallAngle = 0;
  238. gFoc_Ctrl.in.s_motAngle = 0;
  239. #endif
  240. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  241. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  242. #ifdef CONFIG_USER_PHASE_LFP
  243. float e_freq = gFoc_Ctrl.in.s_motRPM / 60.0f * gFoc_Ctrl.params.n_poles;
  244. float lpf_wc;
  245. float lpf_comp = 1.0f;
  246. if (e_freq <= 150.0f) {
  247. lpf_wc = 600.0f;
  248. if (e_freq >= 100) {
  249. lpf_comp = 1.02f;
  250. }else if (e_freq >= 50) {
  251. lpf_comp = 1.01;
  252. }
  253. }else {
  254. lpf_wc = e_freq * 4.0f;
  255. lpf_comp = 1.03f;
  256. }
  257. gFoc_Ctrl.params.n_PhaseFilterCeof = (lpf_wc*2*M_PI*FOC_CTRL_US);
  258. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  259. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  260. gFoc_Ctrl.in.s_iABCFilter[2] = - (gFoc_Ctrl.in.s_iABCFilter[0] + gFoc_Ctrl.in.s_iABCFilter[1]);
  261. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * lpf_comp;
  262. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * lpf_comp;
  263. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * lpf_comp;
  264. Clark(iabc_filted[0], iabc_filted[1], iabc_filted[2], &iAB);
  265. #endif
  266. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  267. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  268. }
  269. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  270. /* update id pi ctrl */
  271. gFoc_Ctrl.params.f_DCLim = gFoc_Ctrl.in.s_vDC;
  272. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.params.f_DCLim * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  273. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.params.f_DCLim * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  274. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.params.f_DCLim * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  275. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.params.f_DCLim * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  276. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  277. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  278. }
  279. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  280. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  281. }
  282. /* update iq pi ctrl */
  283. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  284. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  285. }
  286. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  287. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  288. }
  289. }
  290. #ifdef CONFIG_DQ_STEP_RESPONSE
  291. float target_d = 0.0f;
  292. float target_q = 0.0f;
  293. #endif
  294. static u32 PMSM_FOC_Debug_Task(void *p) {
  295. if (gFoc_Ctrl.in.b_motEnable) {
  296. #ifdef CONFIG_DQ_STEP_RESPONSE
  297. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  298. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  299. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  300. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  301. }
  302. #else
  303. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  304. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  305. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  306. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  307. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  308. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  309. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  310. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  311. }
  312. #endif
  313. }
  314. return 1;
  315. }
  316. void PMSM_FOC_Schedule(void) {
  317. gFoc_Ctrl.ctrl_count++;
  318. PMSM_FOC_Update_Hardware();
  319. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  320. PMSM_FOC_Update_PI_Idq();
  321. #ifndef CONFIG_DQ_STEP_RESPONSE
  322. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  323. #endif
  324. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  325. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  326. #ifndef CONFIG_DQ_STEP_RESPONSE
  327. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  328. #endif
  329. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  330. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  331. #if 0
  332. float eW = gFoc_Ctrl.in.s_motRPM * PI/ 30.0f * gFoc_Ctrl.params.n_poles; //电角速度
  333. float ff_d = -eW * MOTOR_Lq * gFoc_Ctrl.out.s_RealIdq.q;
  334. gFoc_Ctrl.in.s_targetVdq.d += fclamp(ff_d, -10.0f, 0);
  335. #endif
  336. }else {
  337. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  338. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  339. }
  340. 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);
  341. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  342. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  343. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  344. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  345. phase_current_point(&gFoc_Ctrl.out);
  346. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  347. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  348. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  349. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  350. if (gFoc_Ctrl.plot_type != Plot_None) {
  351. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  352. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  353. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  354. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  355. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  356. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  357. #ifdef CONFIG_SMO_OBSERVER
  358. float smo_angle = foc_observer_smo_angle();
  359. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  360. if (delta > 180) {
  361. delta -= 360;
  362. }else if (delta < -180) {
  363. delta += 360;
  364. }
  365. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  366. #endif
  367. }
  368. }
  369. }
  370. }
  371. void PMSM_FOC_LogDebug(void) {
  372. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  373. }
  374. /*called in media task */
  375. u8 PMSM_FOC_CtrlMode(void) {
  376. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  377. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  378. gFoc_Ctrl.in.b_cruiseEna = false;
  379. }
  380. if (!gFoc_Ctrl.in.b_motEnable) {
  381. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  382. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  383. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  384. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  385. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  386. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  387. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  388. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  389. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  390. }else {
  391. if (!gFoc_Ctrl.in.b_cruiseEna) {
  392. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  393. }
  394. }
  395. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  396. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  397. #ifdef CONFIG_SPEED_LADRC
  398. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  399. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  400. #else
  401. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  402. #endif
  403. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  404. #ifdef CONFIG_SPEED_LADRC
  405. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  406. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  407. #else
  408. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  409. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  410. target_troque = PMSM_FOC_Get_Real_Torque();
  411. }
  412. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  413. #endif
  414. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  415. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  416. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  417. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  418. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  419. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  420. }
  421. }
  422. return gFoc_Ctrl.out.n_RunMode;
  423. }
  424. static void crosszero_step_towards(float *value, float target) {
  425. float v_now = *value;
  426. bool cross_zero = false;
  427. if (target > 0) {
  428. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  429. step_towards(value, target, 0.05f);
  430. cross_zero = true;
  431. }
  432. }else if (target == 0) {
  433. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  434. step_towards(value, target, 0.05f);
  435. cross_zero = true;
  436. }
  437. }else {
  438. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  439. step_towards(value, target, 0.02f);
  440. cross_zero = true;
  441. }
  442. }
  443. if (!cross_zero) {
  444. *value = target;
  445. }
  446. }
  447. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  448. static __INLINE void PMSM_FOC_FieldWeak(void) {
  449. if (!gFoc_Ctrl.in.b_fwEnable) {
  450. return;
  451. }
  452. }
  453. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  454. #if 1
  455. gFoc_Ctrl.pi_power->max = maxTrq;
  456. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  457. return PI_Controller_Run(gFoc_Ctrl.pi_power, errRef);
  458. #else
  459. return maxTrq;
  460. #endif
  461. }
  462. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  463. #ifdef CONFIG_SPEED_LADRC
  464. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  465. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  466. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  467. #else
  468. #if 1
  469. gFoc_Ctrl.pi_torque->max = maxTrq;
  470. gFoc_Ctrl.pi_torque->min = 0;
  471. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  472. return PI_Controller_RunLimit(gFoc_Ctrl.pi_torque, err);
  473. #else
  474. return maxTrq;
  475. #endif
  476. #endif
  477. }
  478. static __INLINE void PMSM_FOC_idq_Assign(void) {
  479. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  480. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  481. float s, c;
  482. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  483. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  484. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  485. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  486. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  487. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  488. }
  489. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  490. }else {
  491. gFoc_Ctrl.in.s_targetIdq.d = 0;
  492. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  493. }
  494. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  495. trq2dq_lookup((int)gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  496. PMSM_FOC_FieldWeak();
  497. }
  498. u32 mask = cpu_enter_critical();
  499. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  500. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  501. cpu_exit_critical(mask);
  502. }
  503. /*called in media task */
  504. void PMSM_FOC_idqCalc(void) {
  505. if (gFoc_Ctrl.in.b_AutoHold) {
  506. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_TORQUE_LIM;
  507. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_TORQUE_LIM;
  508. float vel_count = motor_encoder_get_vel_count();
  509. float errRef = 0 - vel_count;
  510. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(gFoc_Ctrl.pi_lock ,errRef);
  511. PMSM_FOC_idq_Assign();
  512. return;
  513. }
  514. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  515. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  516. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  517. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  518. gFoc_Ctrl.in.s_targetCurrent = 0;
  519. }
  520. }
  521. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  522. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  523. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  524. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  525. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  526. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  527. float maxSpeed = eCtrl_get_FinalSpeed();
  528. float refSpeed = eCtrl_get_RefSpeed();
  529. if (gFoc_Ctrl.in.b_cruiseEna) {
  530. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  531. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  532. }
  533. #ifdef CONFIG_SPEED_LADRC
  534. if (maxSpeed >= 0) {
  535. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  536. }else if (maxSpeed < 0) {
  537. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  538. }
  539. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  540. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  541. }
  542. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  543. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  544. #else
  545. if (maxSpeed >= 0) {
  546. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  547. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  548. }else if (maxSpeed < 0) {
  549. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  550. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  551. }
  552. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  553. gFoc_Ctrl.pi_speed->max = 0;
  554. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  555. }
  556. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  557. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  558. float maxTrq = PI_Controller_Run(gFoc_Ctrl.pi_speed, errRef);
  559. #endif
  560. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  561. }
  562. PMSM_FOC_idq_Assign();
  563. }
  564. bool PMSM_FOC_RunTime_Limit(void) {
  565. bool changed = false;
  566. float dc_lim = (float)vbus_current_vol_lower_limit();
  567. float torque_lim = (float)torque_temp_high_limit();
  568. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  569. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  570. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  571. changed = true;
  572. }
  573. return changed;
  574. }
  575. bool PMSM_FOC_iDC_is_Limited(void) {
  576. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  577. }
  578. bool PMSM_FOC_Torque_is_Limited(void) {
  579. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  580. }
  581. void PMSM_FOC_Slow_Task(void) {
  582. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  583. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  584. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  585. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  586. PMSM_FOC_idqCalc();
  587. }
  588. float PMSM_FOC_Get_Real_Torque(void) {
  589. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  590. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  591. }
  592. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  593. }
  594. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  595. return &gFoc_Ctrl;
  596. }
  597. void PMSM_FOC_Start(u8 nCtrlMode) {
  598. if (gFoc_Ctrl.in.b_motEnable) {
  599. return;
  600. }
  601. PMSM_FOC_CoreInit();
  602. eCtrl_Reset();
  603. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  604. gFoc_Ctrl.in.b_motEnable = true;
  605. }
  606. void PMSM_FOC_Stop(void) {
  607. if (!gFoc_Ctrl.in.b_motEnable) {
  608. return;
  609. }
  610. PMSM_FOC_CoreInit();
  611. gFoc_Ctrl.in.b_motEnable = false;
  612. }
  613. bool PMSM_FOC_Is_Start(void) {
  614. return gFoc_Ctrl.in.b_motEnable;
  615. }
  616. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  617. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  618. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  619. }
  620. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  621. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  622. }
  623. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  624. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  625. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  626. }else {
  627. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  628. }
  629. }
  630. float PMSM_FOC_GetDCCurrLimit(void) {
  631. return gFoc_Ctrl.userLim.s_iDCLim;
  632. }
  633. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  634. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  635. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  636. }
  637. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  638. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  639. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  640. }else {
  641. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  642. }
  643. }
  644. void PMSM_FOC_SpeedLimit(float speedLimit) {
  645. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  646. }
  647. void PMSM_FOC_SpeedDirectLimit(float limit) {
  648. PMSM_FOC_SpeedRampLimit(limit, 0);
  649. }
  650. float PMSM_FOC_GetSpeedLimit(void) {
  651. return gFoc_Ctrl.userLim.s_motRPMLim;
  652. }
  653. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  654. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  655. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  656. }
  657. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  658. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  659. }
  660. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  661. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  662. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  663. }else {
  664. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  665. }
  666. }
  667. float PMSM_FOC_GetTorqueLimit(void) {
  668. return gFoc_Ctrl.userLim.s_torqueLim;
  669. }
  670. void PMSM_FOC_SeteBrkPhaseCurrent(float phase_curr, float dc_curr) {
  671. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_PhaseCurreBrkLim);
  672. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  673. }
  674. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  675. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  676. }
  677. float PMSM_FOC_GetVbusVoltage(void) {
  678. return gFoc_Ctrl.in.s_vDC;
  679. }
  680. float PMSM_FOC_GetVbusCurrent(void) {
  681. return gFoc_Ctrl.out.s_FilteriDC;
  682. }
  683. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  684. return &gFoc_Ctrl.out.s_RealIdq;
  685. }
  686. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  687. if (mode > CTRL_MODE_EBRAKE) {
  688. PMSM_FOC_SetErrCode(FOC_Param_Err);
  689. return false;
  690. }
  691. gFoc_Ctrl.in.n_ctlMode = mode;
  692. return true;
  693. }
  694. u8 PMSM_FOC_GetCtrlMode(void) {
  695. return gFoc_Ctrl.in.n_ctlMode;
  696. }
  697. void PMSM_FOC_PhaseCurrLim(float lim) {
  698. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  699. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  700. }
  701. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  702. }
  703. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  704. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  705. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  706. }
  707. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  708. }
  709. float PMSM_FOC_GetPhaseCurrLim(void) {
  710. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  711. }
  712. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  713. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  714. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  715. }
  716. bool PMSM_FOC_EnableCruise(bool enable) {
  717. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  718. float motSpd = PMSM_FOC_GetSpeed();
  719. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  720. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  721. return false;
  722. }
  723. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  724. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  725. gFoc_Ctrl.in.b_cruiseEna = enable;
  726. }
  727. return true;
  728. }
  729. bool PMSM_FOC_Is_CruiseEnabled(void) {
  730. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  731. }
  732. bool PMSM_FOC_Set_Speed(float rpm) {
  733. if (gFoc_Ctrl.in.b_cruiseEna) {
  734. return false;
  735. }
  736. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  737. return true;
  738. }
  739. #if 0
  740. bool PMSM_FOC_Set_epmMode(bool epm) {
  741. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  742. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  743. return false;
  744. }
  745. if (gFoc_Ctrl.in.b_epmMode != epm) {
  746. if (PMSM_FOC_GetSpeed() != 0.0f) {
  747. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  748. return false;
  749. }
  750. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  751. gFoc_Ctrl.in.b_epmMode = epm;
  752. if (epm) {
  753. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  754. eCtrl_set_TgtSpeed(0);
  755. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  756. }else {
  757. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  758. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  759. }
  760. }
  761. return true;
  762. }
  763. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  764. if (!gFoc_Ctrl.in.b_epmMode) {
  765. return false;
  766. }
  767. if (move) {
  768. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  769. return false;
  770. }
  771. gFoc_Ctrl.in.epmDirection = dir;
  772. }else {
  773. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  774. }
  775. return true;
  776. }
  777. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  778. return gFoc_Ctrl.in.epmDirection;
  779. }
  780. #endif
  781. bool PMSM_FOC_Set_Current(float is) {
  782. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  783. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  784. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  785. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  786. }
  787. eCtrl_set_TgtCurrent(is);
  788. return true;
  789. }
  790. bool PMSM_FOC_Set_Torque(float trq) {
  791. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  792. trq = gFoc_Ctrl.userLim.s_torqueLim;
  793. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  794. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  795. }
  796. eCtrl_set_TgtTorque(trq);
  797. return true;
  798. }
  799. void PMSM_FOC_Reset_Torque(void) {
  800. float real_trq = PMSM_FOC_Get_Real_Torque();
  801. eCtrl_reset_Torque(real_trq);
  802. }
  803. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  804. if (PMSM_FOC_Is_CruiseEnabled()) {
  805. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  806. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  807. return false;
  808. }
  809. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  810. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  811. return true;
  812. }
  813. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  814. return false;
  815. }
  816. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  817. if (enable) {
  818. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  819. gFoc_Ctrl.in.s_manualAngle = 0;
  820. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  821. }else {
  822. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  823. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  824. }
  825. }
  826. void PMSM_FOC_Set_Angle(float angle) {
  827. gFoc_Ctrl.in.s_manualAngle = (angle);
  828. }
  829. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  830. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  831. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  832. }
  833. float PMSM_FOC_GetSpeed(void) {
  834. return gFoc_Ctrl.in.s_motRPM;
  835. }
  836. void PMSM_FOC_AutoHold(bool lock) {
  837. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  838. motor_encoder_lock_pos(lock);
  839. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  840. if (!lock) {
  841. //解锁后为了防止倒溜,需要把当前
  842. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  843. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  844. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  845. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  846. }
  847. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  848. }
  849. gFoc_Ctrl.in.b_AutoHold = lock;
  850. }
  851. }
  852. bool PMSM_FOC_AutoHoldding(void) {
  853. return gFoc_Ctrl.in.b_AutoHold;
  854. }
  855. static PI_Controller *_pid(u8 id) {
  856. PI_Controller *pi = NULL;
  857. if (id == PID_D_id) {
  858. pi = gFoc_Ctrl.pi_id;
  859. }else if (id == PID_Q_id) {
  860. pi = gFoc_Ctrl.pi_iq;
  861. }else if (id == PID_TRQ_id) {
  862. pi = gFoc_Ctrl.pi_torque;
  863. }else if (id == PID_Spd_id) {
  864. pi = gFoc_Ctrl.pi_speed;
  865. }
  866. return pi;
  867. }
  868. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  869. if (id > PID_Max_id) {
  870. return;
  871. }
  872. PI_Controller *pi = _pid(id);
  873. if (pi != NULL) {
  874. pi->kp = kp;
  875. pi->ki = ki;
  876. pi->kd = kd;
  877. }
  878. }
  879. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  880. if (id > PID_Max_id) {
  881. return;
  882. }
  883. PI_Controller *pi = _pid(id);
  884. if (pi != NULL) {
  885. *kp = pi->kp;
  886. *ki = pi->ki;
  887. *kd = pi->kd;
  888. }
  889. }
  890. void PMSM_FOC_SetErrCode(u8 error) {
  891. if (gFoc_Ctrl.out.n_Error != error) {
  892. gFoc_Ctrl.out.n_Error = error;
  893. }
  894. }
  895. u8 PMSM_FOC_GetErrCode(void) {
  896. return gFoc_Ctrl.out.n_Error;
  897. }
  898. void PMSM_FOC_SetCriticalError(u8 err) {
  899. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  900. }
  901. void PMSM_FOC_ClrCriticalError(u8 err) {
  902. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  903. }
  904. u32 PMSM_FOC_GetCriticalError(void) {
  905. return gFoc_Ctrl.out.n_CritiCalErrMask;
  906. }
  907. void PMSM_FOC_Set_PlotType(Plot_t t) {
  908. gFoc_Ctrl.plot_type = t;
  909. }
  910. //获取母线电流和实际输出电流矢量大小
  911. void PMSM_FOC_Calc_Current(void) {
  912. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  913. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  914. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  915. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  916. /*
  917. 根据公式(等幅值变换,功率不等):
  918. iDC x vDC = 2/3(iq x vq + id x vd);
  919. */
  920. float m_pow = (vd * id + vq * iq); //s32q10
  921. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  922. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  923. raw_idc = get_vbus_current();
  924. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  925. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  926. }
  927. void PMSM_FOC_Brake(bool brake) {
  928. gFoc_Ctrl.in.b_eBrake = brake;
  929. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  930. gFoc_Ctrl.in.b_cruiseEna = false;
  931. }
  932. eCtrl_brake_signal(brake);
  933. }