PMSM_FOC_Core.c 34 KB

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  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "foc/foc_config.h"
  4. #include "foc/motor/motor_param.h"
  5. #include "foc/core/e_ctrl.h"
  6. #include "math/fix_math.h"
  7. #include "math/fast_math.h"
  8. #include "foc/motor/current.h"
  9. #include "foc/motor/motor.h"
  10. #include "foc/core/svpwm.h"
  11. #include "foc/core/thro_torque.h"
  12. #include "foc/core/foc_observer.h"
  13. #include "foc/samples.h"
  14. #include "foc/limit.h"
  15. #include "app/nv_storage.h"
  16. #include "bsp/bsp_driver.h"
  17. #include "libs/logger.h"
  18. #include "math/fir.h"
  19. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  20. PMSM_FOC_Ctrl gFoc_Ctrl;
  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. #if 0
  50. #define VD_PRIO_HIGH
  51. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  52. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  53. float vDC_m = vDC * module * SQRT3_BY_2;
  54. float sq_vDC = vDC_m * vDC_m;
  55. if (sq_vdq > sq_vDC) {
  56. #ifdef VD_PRIO_HIGH
  57. out->d = vdq->d;
  58. out->q = sqrtf(sq_vDC - out->d*out->d);
  59. #else
  60. float r = sqrtf(sq_vDC / sq_vdq);
  61. out->d = vdq->d * r;
  62. out->q = vdq->q * r;
  63. #endif
  64. }else {
  65. out->d = vdq->d;
  66. out->q = vdq->q;
  67. }
  68. return sqrtf(sq_vdq/sq_vDC);
  69. }
  70. #endif
  71. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  72. float cp = c->s_Cp;
  73. c->s_FinalTgt = target;
  74. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  75. }
  76. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  77. if (++c->n_StepCount == c->n_CtrlCount) {
  78. c->s_Cp += c->s_Step;
  79. if (c->s_Step < 0) {
  80. if (c->s_Cp < c->s_FinalTgt) {
  81. c->s_Cp = c->s_FinalTgt;
  82. }
  83. }else {
  84. if (c->s_Cp > c->s_FinalTgt) {
  85. c->s_Cp = c->s_FinalTgt;
  86. }
  87. }
  88. c->n_StepCount = 0;
  89. }
  90. return c->s_Cp;
  91. }
  92. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  93. c->n_CtrlCount = count;
  94. c->n_StepCount = 0;
  95. c->s_Cp = 0;
  96. c->s_FinalTgt = 0;
  97. c->s_Step = 0;
  98. }
  99. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  101. }
  102. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  103. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  104. }
  105. static void PMSM_FOC_Reset_PID(void) {
  106. PI_Controller_Reset(&gFoc_Ctrl.pi_id, 0);
  107. PI_Controller_Reset(&gFoc_Ctrl.pi_iq, 0);
  108. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0);
  110. #ifdef CONFIG_SPEED_LADRC
  111. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  112. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  113. #else
  114. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, 0);
  115. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, 0);
  116. #endif
  117. }
  118. static void PMSM_FOC_Conf_PID(void) {
  119. float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  120. gFoc_Ctrl.pi_id.kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  121. gFoc_Ctrl.pi_id.ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  122. gFoc_Ctrl.pi_id.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  123. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  124. gFoc_Ctrl.pi_iq.kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  125. gFoc_Ctrl.pi_iq.ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  126. gFoc_Ctrl.pi_iq.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  127. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_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.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  131. gFoc_Ctrl.pi_power.DT = slow_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.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  135. gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts;
  136. #ifdef CONFIG_SPEED_LADRC
  137. ladrc_init(&gFoc_Ctrl.vel_lim_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  138. ladrc_init(&gFoc_Ctrl.vel_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  139. #else
  140. gFoc_Ctrl.pi_torque.kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  141. gFoc_Ctrl.pi_torque.ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  142. gFoc_Ctrl.pi_torque.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  143. gFoc_Ctrl.pi_torque.DT = slow_ctrl_ts;
  144. gFoc_Ctrl.pi_speed.kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  145. gFoc_Ctrl.pi_speed.ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  146. gFoc_Ctrl.pi_speed.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  147. gFoc_Ctrl.pi_speed.DT = slow_ctrl_ts;
  148. #endif
  149. }
  150. static void PMSM_FOC_UserInit(void) {
  151. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  152. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  153. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  154. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  155. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  156. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  157. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  158. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  159. gFoc_Ctrl.userLim.s_TorqueBrkLim = nv_get_foc_params()->s_TorqueBrkLim;
  160. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  161. }
  162. void PMSM_FOC_RT_LimInit(void) {
  163. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  164. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  165. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  166. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  167. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  168. }
  169. void PMSM_FOC_CoreInit(void) {
  170. PMSM_FOC_Conf_PID();
  171. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  172. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  173. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  174. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  175. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  176. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  177. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  178. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  179. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  180. if (!g_focinit) {
  181. PMSM_FOC_UserInit();
  182. PMSM_FOC_RT_LimInit();
  183. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  184. g_focinit = true;
  185. //_DEBUG("User Limit:\n");
  186. //_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,
  187. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  188. //_DEBUG("Hw Limit:\n");
  189. //_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);
  190. }
  191. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  192. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  193. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  194. gFoc_Ctrl.params.lq = nv_get_motor_params()->lq;
  195. gFoc_Ctrl.params.ld = nv_get_motor_params()->ld;
  196. gFoc_Ctrl.params.flux = nv_get_motor_params()->flux_linkage;
  197. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  198. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  199. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  200. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  201. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  202. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  203. gFoc_Ctrl.out.f_vdqRation = 0;
  204. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  205. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  206. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  207. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  208. PMSM_FOC_Reset_PID();
  209. foc_observer_init();
  210. gFoc_Ctrl.plot_type = Plot_None;
  211. }
  212. //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */
  213. //#define Volvec_Delay_Comp /* 电压矢量角度补偿 */
  214. static __INLINE void PMSM_FOC_Update_Input(void) {
  215. AB_t iAB;
  216. float *iabc = gFoc_Ctrl.in.s_iABC;
  217. phase_current_get(iabc);
  218. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  219. foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a * 0.66667f, gFoc_Ctrl.out.s_OutVAB.b * 0.66667f, iAB.a, iAB.b);
  220. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  221. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  222. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  223. }else {
  224. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  225. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  226. }
  227. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  228. LowPass_Filter(gFoc_Ctrl.in.s_motRPMFilted, gFoc_Ctrl.in.s_motRPM, 0.005f);
  229. gFoc_Ctrl.in.s_motVelDegreePers = gFoc_Ctrl.in.s_motRPM / 30.0f * PI * gFoc_Ctrl.params.n_poles;
  230. #ifdef CONFIG_DQ_STEP_RESPONSE
  231. gFoc_Ctrl.in.s_hallAngle = 0;
  232. gFoc_Ctrl.in.s_motAngle = 0;
  233. #endif
  234. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  235. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  236. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  237. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  238. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  239. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  240. #ifdef Volvec_Delay_Comp
  241. float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelDegreePers / PI * 180.0f * (FOC_CTRL_US - 2e-6f);
  242. rand_angle(next_angle);
  243. SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  244. #endif
  245. }
  246. #ifdef CONFIG_DQ_STEP_RESPONSE
  247. float target_d = 0.0f;
  248. float target_q = 0.0f;
  249. #endif
  250. static u32 PMSM_FOC_Debug_Task(void *p) {
  251. if (gFoc_Ctrl.in.b_motEnable) {
  252. #ifdef CONFIG_DQ_STEP_RESPONSE
  253. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  254. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  255. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  256. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  257. }
  258. #else
  259. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  260. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  261. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  262. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  263. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  264. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  265. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  266. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  267. }
  268. #endif
  269. }
  270. return 1;
  271. }
  272. static __INLINE void id_feedforward(float eW) {
  273. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  274. gFoc_Ctrl.in.s_targetVdq.d += -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW);
  275. gFoc_Ctrl.in.s_targetVdq.d = fclamp(gFoc_Ctrl.in.s_targetVdq.d, gFoc_Ctrl.pi_id.min, gFoc_Ctrl.pi_id.max);
  276. #endif
  277. }
  278. static __INLINE void iq_feedforward(float eW) {
  279. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  280. gFoc_Ctrl.in.s_targetVdq.q += (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW;
  281. gFoc_Ctrl.in.s_targetVdq.q = fclamp(gFoc_Ctrl.in.s_targetVdq.q, gFoc_Ctrl.pi_iq.min, gFoc_Ctrl.pi_iq.max);
  282. #endif
  283. }
  284. void PMSM_FOC_Schedule(void) {
  285. gFoc_Ctrl.ctrl_count++;
  286. PMSM_FOC_Update_Input();
  287. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  288. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  289. float max_vd = max_Vdc * SQRT3_BY_2;
  290. /* limiter Vd output for PI controller */
  291. gFoc_Ctrl.pi_id.max = max_vd;
  292. gFoc_Ctrl.pi_id.min = -max_vd;
  293. #ifndef CONFIG_DQ_STEP_RESPONSE
  294. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  295. #endif
  296. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  297. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  298. id_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  299. #ifdef UPDATE_Lq_By_iq
  300. /* update kp&ki from lq for iq PI controller */
  301. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  302. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  303. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  304. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  305. #endif
  306. /* limiter Vq output for PI controller */
  307. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  308. gFoc_Ctrl.pi_iq.max = max_vq;
  309. gFoc_Ctrl.pi_iq.min = -max_vq;
  310. #ifndef CONFIG_DQ_STEP_RESPONSE
  311. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  312. #endif
  313. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  314. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(&gFoc_Ctrl.pi_iq, err);
  315. iq_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  316. }else {
  317. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  318. float max_vd = max_Vdc * SQRT3_BY_2;
  319. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  320. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  321. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  322. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  323. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  324. }
  325. #if 0
  326. 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);
  327. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  328. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  329. #else
  330. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  331. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  332. #endif
  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. if (gFoc_Ctrl.plot_type != Plot_None) {
  339. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  340. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  341. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  342. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  343. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  344. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  345. #ifdef CONFIG_SMO_OBSERVER
  346. float smo_angle = foc_observer_sensorless_angle();
  347. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  348. if (delta > 180) {
  349. delta -= 360;
  350. }else if (delta < -180) {
  351. delta += 360;
  352. }
  353. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  354. #endif
  355. }
  356. }
  357. }
  358. }
  359. void PMSM_FOC_LogDebug(void) {
  360. sys_debug("DC curr %f, Lq %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.params.lq);
  361. }
  362. /*called in media task */
  363. u8 PMSM_FOC_CtrlMode(void) {
  364. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  365. if (!gFoc_Ctrl.in.b_motEnable) {
  366. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  367. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  368. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  369. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  370. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  371. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  372. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  373. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  374. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  375. }else {
  376. if (!gFoc_Ctrl.in.b_cruiseEna) {
  377. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  378. }
  379. }
  380. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  381. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  382. #ifdef CONFIG_SPEED_LADRC
  383. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  384. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  385. #else
  386. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  387. #endif
  388. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  389. #ifdef CONFIG_SPEED_LADRC
  390. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  391. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  392. #else
  393. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  394. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  395. target_troque = PMSM_FOC_Get_Real_dqVector();
  396. }
  397. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  398. #endif
  399. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  400. #ifdef CONFIG_SPEED_LADRC
  401. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  402. #else
  403. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  404. #endif
  405. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  406. #if 0
  407. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  408. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  409. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  410. #else
  411. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  412. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  413. #endif
  414. }
  415. }
  416. return gFoc_Ctrl.out.n_RunMode;
  417. }
  418. static void crosszero_step_towards(float *value, float target) {
  419. float v_now = *value;
  420. bool cross_zero = false;
  421. if (target > 0) {
  422. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  423. step_towards(value, target, 0.05f);
  424. cross_zero = true;
  425. }
  426. }else if (target == 0) {
  427. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  428. step_towards(value, target, 0.05f);
  429. cross_zero = true;
  430. }
  431. }else {
  432. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  433. step_towards(value, target, 0.02f);
  434. cross_zero = true;
  435. }
  436. }
  437. if (!cross_zero) {
  438. *value = target;
  439. }
  440. }
  441. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  442. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  443. #if 1
  444. gFoc_Ctrl.pi_power.max = maxTrq;
  445. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  446. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  447. #else
  448. return maxTrq;
  449. #endif
  450. }
  451. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  452. #ifdef CONFIG_SPEED_LADRC
  453. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  454. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  455. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  456. #else
  457. #if 1
  458. gFoc_Ctrl.pi_torque->max = maxTrq;
  459. gFoc_Ctrl.pi_torque->min = 0;
  460. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  461. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  462. #else
  463. return maxTrq;
  464. #endif
  465. #endif
  466. }
  467. static __INLINE void PMSM_FOC_idq_Assign(void) {
  468. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  469. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  470. float s, c;
  471. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  472. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  473. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  474. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  475. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  476. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  477. }
  478. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  479. }else {
  480. gFoc_Ctrl.in.s_targetIdq.d = 0;
  481. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  482. }
  483. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  484. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  485. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  486. }
  487. u32 mask = cpu_enter_critical();
  488. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  489. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  490. cpu_exit_critical(mask);
  491. }
  492. /*called in media task */
  493. void PMSM_FOC_idqCalc(void) {
  494. if (gFoc_Ctrl.in.b_AutoHold) {
  495. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  496. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  497. float vel_count = motor_encoder_get_vel_count();
  498. float errRef = 0 - vel_count;
  499. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  500. PMSM_FOC_idq_Assign();
  501. return;
  502. }
  503. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  504. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  505. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  506. float maxTrq = eCtrl_get_RefTorque();
  507. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  508. maxTrq = 0;
  509. }
  510. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  511. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  512. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  513. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  514. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  515. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  516. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  517. float maxSpeed = eCtrl_get_FinalSpeed();
  518. float refSpeed = eCtrl_get_RefSpeed();
  519. if (gFoc_Ctrl.in.b_cruiseEna) {
  520. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  521. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  522. }
  523. #ifdef CONFIG_SPEED_LADRC
  524. if (maxSpeed >= 0) {
  525. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  526. }else if (maxSpeed < 0) {
  527. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  528. }
  529. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  530. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  531. }
  532. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  533. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  534. #else
  535. if (maxSpeed >= 0) {
  536. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  537. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  538. }else if (maxSpeed < 0) {
  539. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  540. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  541. }
  542. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  543. gFoc_Ctrl.pi_speed->max = 0;
  544. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  545. }
  546. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  547. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  548. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  549. #endif
  550. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  551. }
  552. PMSM_FOC_idq_Assign();
  553. }
  554. bool PMSM_FOC_RunTime_Limit(void) {
  555. bool changed = false;
  556. float dc_lim = (float)vbus_current_vol_lower_limit();
  557. float torque_lim = (float)torque_temp_high_limit();
  558. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  559. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  560. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  561. changed = true;
  562. }
  563. return changed;
  564. }
  565. bool PMSM_FOC_iDC_is_Limited(void) {
  566. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  567. }
  568. bool PMSM_FOC_Torque_is_Limited(void) {
  569. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  570. }
  571. void PMSM_FOC_Slow_Task(void) {
  572. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  573. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  574. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  575. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  576. PMSM_FOC_idqCalc();
  577. }
  578. float PMSM_FOC_Get_Real_dqVector(void) {
  579. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  580. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  581. }
  582. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  583. }
  584. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  585. return &gFoc_Ctrl;
  586. }
  587. void PMSM_FOC_Start(u8 nCtrlMode) {
  588. if (gFoc_Ctrl.in.b_motEnable) {
  589. return;
  590. }
  591. PMSM_FOC_CoreInit();
  592. eCtrl_Reset();
  593. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  594. gFoc_Ctrl.in.b_motEnable = true;
  595. }
  596. void PMSM_FOC_Stop(void) {
  597. if (!gFoc_Ctrl.in.b_motEnable) {
  598. return;
  599. }
  600. PMSM_FOC_CoreInit();
  601. gFoc_Ctrl.in.b_motEnable = false;
  602. }
  603. bool PMSM_FOC_Is_Start(void) {
  604. return gFoc_Ctrl.in.b_motEnable;
  605. }
  606. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  607. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  608. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  609. }
  610. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  611. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  612. }
  613. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  614. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  615. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  616. }else {
  617. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  618. }
  619. }
  620. float PMSM_FOC_GetDCCurrLimit(void) {
  621. return gFoc_Ctrl.userLim.s_iDCLim;
  622. }
  623. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  624. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  625. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  626. }
  627. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  628. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  629. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  630. }else {
  631. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  632. }
  633. }
  634. void PMSM_FOC_SpeedLimit(float speedLimit) {
  635. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  636. }
  637. void PMSM_FOC_SpeedDirectLimit(float limit) {
  638. PMSM_FOC_SpeedRampLimit(limit, 0);
  639. }
  640. float PMSM_FOC_GetSpeedLimit(void) {
  641. return gFoc_Ctrl.userLim.s_motRPMLim;
  642. }
  643. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  644. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  645. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  646. }
  647. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  648. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  649. }
  650. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  651. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  652. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  653. }else {
  654. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  655. }
  656. }
  657. float PMSM_FOC_GetTorqueLimit(void) {
  658. return gFoc_Ctrl.userLim.s_torqueLim;
  659. }
  660. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  661. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  662. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  663. }
  664. float PMSM_FOC_GetEbrkTorque(void) {
  665. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  666. }
  667. float PMSM_FOC_GetVbusVoltage(void) {
  668. return gFoc_Ctrl.in.s_vDC;
  669. }
  670. float PMSM_FOC_GetVbusCurrent(void) {
  671. return gFoc_Ctrl.out.s_FilteriDC;
  672. }
  673. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  674. return &gFoc_Ctrl.out.s_RealIdq;
  675. }
  676. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  677. if (mode > CTRL_MODE_EBRAKE) {
  678. PMSM_FOC_SetErrCode(FOC_Param_Err);
  679. return false;
  680. }
  681. gFoc_Ctrl.in.n_ctlMode = mode;
  682. return true;
  683. }
  684. u8 PMSM_FOC_GetCtrlMode(void) {
  685. return gFoc_Ctrl.in.n_ctlMode;
  686. }
  687. void PMSM_FOC_PhaseCurrLim(float lim) {
  688. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  689. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  690. }
  691. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  692. }
  693. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  694. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  695. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  696. }
  697. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  698. }
  699. float PMSM_FOC_GetPhaseCurrLim(void) {
  700. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  701. }
  702. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  703. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  704. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  705. }
  706. bool PMSM_FOC_EnableCruise(bool enable) {
  707. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  708. float motSpd = PMSM_FOC_GetSpeed();
  709. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  710. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  711. return false;
  712. }
  713. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  714. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  715. gFoc_Ctrl.in.b_cruiseEna = enable;
  716. }
  717. return true;
  718. }
  719. bool PMSM_FOC_PauseCruise(void) {
  720. gFoc_Ctrl.in.b_cruiseEna = false;
  721. return true;
  722. }
  723. bool PMSM_FOC_ResumeCruise(void) {
  724. gFoc_Ctrl.in.b_cruiseEna = true;
  725. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  726. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  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. bool PMSM_FOC_Set_Current(float is) {
  740. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  741. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  742. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  743. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  744. }
  745. eCtrl_set_TgtCurrent(is);
  746. return true;
  747. }
  748. bool PMSM_FOC_Set_Torque(float trq) {
  749. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  750. trq = gFoc_Ctrl.userLim.s_torqueLim;
  751. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  752. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  753. }
  754. eCtrl_set_TgtTorque(trq);
  755. return true;
  756. }
  757. void PMSM_FOC_Reset_Torque(void) {
  758. float real_trq = PMSM_FOC_Get_Real_dqVector();
  759. eCtrl_reset_Torque(real_trq);
  760. }
  761. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  762. if (PMSM_FOC_Is_CruiseEnabled()) {
  763. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  764. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  765. return false;
  766. }
  767. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  768. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  769. return true;
  770. }
  771. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  772. return false;
  773. }
  774. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  775. if (enable) {
  776. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  777. gFoc_Ctrl.in.s_manualAngle = 0;
  778. }else {
  779. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  780. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  781. }
  782. }
  783. void PMSM_FOC_Set_Angle(float angle) {
  784. gFoc_Ctrl.in.s_manualAngle = (angle);
  785. }
  786. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  787. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  788. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  789. }
  790. float PMSM_FOC_GetSpeed(void) {
  791. return gFoc_Ctrl.in.s_motRPM;
  792. }
  793. void PMSM_FOC_AutoHold(bool lock) {
  794. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  795. motor_encoder_lock_pos(lock);
  796. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  797. if (!lock) {
  798. //解锁后为了防止倒溜,需要把当前
  799. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  800. #ifdef CONFIG_SPEED_LADRC
  801. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  802. #else
  803. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  804. #endif
  805. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  806. #ifdef CONFIG_SPEED_LADRC
  807. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  808. #else
  809. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  810. #endif
  811. }
  812. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  813. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  814. }else {
  815. gFoc_Ctrl.out.f_autohold_trq = 0;
  816. }
  817. gFoc_Ctrl.in.b_AutoHold = lock;
  818. }
  819. }
  820. bool PMSM_FOC_AutoHoldding(void) {
  821. return gFoc_Ctrl.in.b_AutoHold;
  822. }
  823. static PI_Controller *_pid(u8 id) {
  824. PI_Controller *pi = NULL;
  825. if (id == PID_D_id) {
  826. pi = &gFoc_Ctrl.pi_id;
  827. }else if (id == PID_Q_id) {
  828. pi = &gFoc_Ctrl.pi_iq;
  829. }else if (id == PID_TRQ_id) {
  830. #ifndef CONFIG_SPEED_LADRC
  831. pi = &gFoc_Ctrl.pi_torque;
  832. #endif
  833. }else if (id == PID_Spd_id) {
  834. #ifndef CONFIG_SPEED_LADRC
  835. pi = &gFoc_Ctrl.pi_speed;
  836. #endif
  837. }
  838. return pi;
  839. }
  840. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  841. if (id > PID_Max_id) {
  842. return;
  843. }
  844. PI_Controller *pi = _pid(id);
  845. if (pi != NULL) {
  846. pi->kp = kp;
  847. pi->ki = ki;
  848. pi->kd = kd;
  849. }
  850. }
  851. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  852. if (id > PID_Max_id) {
  853. return;
  854. }
  855. PI_Controller *pi = _pid(id);
  856. if (pi != NULL) {
  857. *kp = pi->kp;
  858. *ki = pi->ki;
  859. *kd = pi->kd;
  860. }
  861. }
  862. void PMSM_FOC_SetErrCode(u8 error) {
  863. if (gFoc_Ctrl.out.n_Error != error) {
  864. gFoc_Ctrl.out.n_Error = error;
  865. }
  866. }
  867. u8 PMSM_FOC_GetErrCode(void) {
  868. return gFoc_Ctrl.out.n_Error;
  869. }
  870. void PMSM_FOC_Set_PlotType(Plot_t t) {
  871. gFoc_Ctrl.plot_type = t;
  872. }
  873. //获取母线电流和实际输出电流矢量大小
  874. void PMSM_FOC_Calc_Current(void) {
  875. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  876. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  877. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  878. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  879. /*
  880. 根据公式(等幅值变换,功率不等):
  881. iDC x vDC = 2/3(iq x vq + id x vd);
  882. */
  883. float m_pow = (vd * id + vq * iq); //s32q10
  884. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  885. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  886. raw_idc = get_vbus_current();
  887. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  888. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  889. }
  890. void PMSM_FOC_Brake(bool brake) {
  891. gFoc_Ctrl.in.b_eBrake = brake;
  892. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  893. gFoc_Ctrl.in.b_cruiseEna = false;
  894. }
  895. eCtrl_brake_signal(brake);
  896. }