PMSM_FOC_Core.c 32 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/pwm.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.in.s_manualAngle = INVALID_ANGLE;
  196. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  197. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  198. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  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. static __INLINE void PMSM_FOC_Update_Input(void) {
  211. AB_t iAB;
  212. float *iabc = gFoc_Ctrl.in.s_iABC;
  213. phase_current_get(iabc);
  214. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  215. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  216. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  217. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  218. }else {
  219. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  220. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  221. }
  222. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  223. #ifdef CONFIG_DQ_STEP_RESPONSE
  224. gFoc_Ctrl.in.s_hallAngle = 0;
  225. gFoc_Ctrl.in.s_motAngle = 0;
  226. #endif
  227. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  228. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  229. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  230. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  231. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  232. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  233. }
  234. #ifdef CONFIG_DQ_STEP_RESPONSE
  235. float target_d = 0.0f;
  236. float target_q = 0.0f;
  237. #endif
  238. static u32 PMSM_FOC_Debug_Task(void *p) {
  239. if (gFoc_Ctrl.in.b_motEnable) {
  240. #ifdef CONFIG_DQ_STEP_RESPONSE
  241. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  242. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  243. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  244. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  245. }
  246. #else
  247. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  248. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  249. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  250. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  251. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  252. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  253. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  254. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  255. }
  256. #endif
  257. }
  258. return 1;
  259. }
  260. //#define UPDATE_Lq_By_iq
  261. void PMSM_FOC_Schedule(void) {
  262. gFoc_Ctrl.ctrl_count++;
  263. PMSM_FOC_Update_Input();
  264. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  265. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  266. float max_vd = max_Vdc * SQRT3_BY_2;
  267. /* limiter Vd output for PI controller */
  268. gFoc_Ctrl.pi_id.max = max_vd;
  269. gFoc_Ctrl.pi_id.min = -max_vd;
  270. #ifndef CONFIG_DQ_STEP_RESPONSE
  271. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  272. #endif
  273. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  274. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  275. #ifdef UPDATE_Lq_By_iq
  276. /* update kp&ki from lq for iq PI controller */
  277. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  278. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  279. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  280. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  281. #endif
  282. /* limiter Vq output for PI controller */
  283. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  284. gFoc_Ctrl.pi_iq.max = max_vq;
  285. gFoc_Ctrl.pi_iq.min = -max_vq;
  286. #ifndef CONFIG_DQ_STEP_RESPONSE
  287. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  288. #endif
  289. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  290. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(&gFoc_Ctrl.pi_iq, err);
  291. }else {
  292. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  293. float max_vd = max_Vdc * SQRT3_BY_2;
  294. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  295. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  296. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  297. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  298. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  299. }
  300. #if 0
  301. 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);
  302. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  303. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  304. #else
  305. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  306. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  307. #endif
  308. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  309. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  310. phase_current_point(&gFoc_Ctrl.out);
  311. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  312. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  313. if (gFoc_Ctrl.plot_type != Plot_None) {
  314. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  315. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  316. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  317. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  318. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  319. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  320. #ifdef CONFIG_SMO_OBSERVER
  321. float smo_angle = foc_observer_smo_angle();
  322. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  323. if (delta > 180) {
  324. delta -= 360;
  325. }else if (delta < -180) {
  326. delta += 360;
  327. }
  328. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  329. #endif
  330. }
  331. }
  332. }
  333. }
  334. void PMSM_FOC_LogDebug(void) {
  335. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  336. }
  337. /*called in media task */
  338. u8 PMSM_FOC_CtrlMode(void) {
  339. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  340. if (!gFoc_Ctrl.in.b_motEnable) {
  341. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  342. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  343. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  344. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  345. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  346. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  347. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  348. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  349. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  350. }else {
  351. if (!gFoc_Ctrl.in.b_cruiseEna) {
  352. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  353. }
  354. }
  355. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  356. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  357. #ifdef CONFIG_SPEED_LADRC
  358. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  359. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  360. #else
  361. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  362. #endif
  363. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  364. #ifdef CONFIG_SPEED_LADRC
  365. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  366. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  367. #else
  368. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  369. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  370. target_troque = PMSM_FOC_Get_Real_dqVector();
  371. }
  372. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  373. #endif
  374. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  375. #ifdef CONFIG_SPEED_LADRC
  376. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  377. #else
  378. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  379. #endif
  380. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  381. #if 0
  382. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  383. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  384. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  385. #else
  386. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  387. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  388. #endif
  389. }
  390. }
  391. return gFoc_Ctrl.out.n_RunMode;
  392. }
  393. static void crosszero_step_towards(float *value, float target) {
  394. float v_now = *value;
  395. bool cross_zero = false;
  396. if (target > 0) {
  397. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  398. step_towards(value, target, 0.05f);
  399. cross_zero = true;
  400. }
  401. }else if (target == 0) {
  402. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  403. step_towards(value, target, 0.05f);
  404. cross_zero = true;
  405. }
  406. }else {
  407. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  408. step_towards(value, target, 0.02f);
  409. cross_zero = true;
  410. }
  411. }
  412. if (!cross_zero) {
  413. *value = target;
  414. }
  415. }
  416. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  417. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  418. #if 1
  419. gFoc_Ctrl.pi_power.max = maxTrq;
  420. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  421. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  422. #else
  423. return maxTrq;
  424. #endif
  425. }
  426. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  427. #ifdef CONFIG_SPEED_LADRC
  428. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  429. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  430. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  431. #else
  432. #if 1
  433. gFoc_Ctrl.pi_torque->max = maxTrq;
  434. gFoc_Ctrl.pi_torque->min = 0;
  435. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  436. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  437. #else
  438. return maxTrq;
  439. #endif
  440. #endif
  441. }
  442. static __INLINE void PMSM_FOC_idq_Assign(void) {
  443. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  444. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  445. float s, c;
  446. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  447. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  448. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  449. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  450. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  451. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  452. }
  453. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  454. }else {
  455. gFoc_Ctrl.in.s_targetIdq.d = 0;
  456. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  457. }
  458. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  459. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  460. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  461. }
  462. u32 mask = cpu_enter_critical();
  463. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  464. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  465. cpu_exit_critical(mask);
  466. }
  467. /*called in media task */
  468. void PMSM_FOC_idqCalc(void) {
  469. if (gFoc_Ctrl.in.b_AutoHold) {
  470. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  471. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  472. float vel_count = motor_encoder_get_vel_count();
  473. float errRef = 0 - vel_count;
  474. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  475. PMSM_FOC_idq_Assign();
  476. return;
  477. }
  478. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  479. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  480. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  481. float maxTrq = eCtrl_get_RefTorque();
  482. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  483. maxTrq = 0;
  484. }
  485. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  486. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  487. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  488. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  489. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  490. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  491. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  492. float maxSpeed = eCtrl_get_FinalSpeed();
  493. float refSpeed = eCtrl_get_RefSpeed();
  494. if (gFoc_Ctrl.in.b_cruiseEna) {
  495. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  496. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  497. }
  498. #ifdef CONFIG_SPEED_LADRC
  499. if (maxSpeed >= 0) {
  500. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  501. }else if (maxSpeed < 0) {
  502. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  503. }
  504. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  505. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  506. }
  507. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  508. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  509. #else
  510. if (maxSpeed >= 0) {
  511. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  512. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  513. }else if (maxSpeed < 0) {
  514. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  515. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  516. }
  517. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  518. gFoc_Ctrl.pi_speed->max = 0;
  519. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  520. }
  521. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  522. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  523. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  524. #endif
  525. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  526. }
  527. PMSM_FOC_idq_Assign();
  528. }
  529. bool PMSM_FOC_RunTime_Limit(void) {
  530. bool changed = false;
  531. float dc_lim = (float)vbus_current_vol_lower_limit();
  532. float torque_lim = (float)torque_temp_high_limit();
  533. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  534. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  535. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  536. changed = true;
  537. }
  538. return changed;
  539. }
  540. bool PMSM_FOC_iDC_is_Limited(void) {
  541. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  542. }
  543. bool PMSM_FOC_Torque_is_Limited(void) {
  544. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  545. }
  546. void PMSM_FOC_Slow_Task(void) {
  547. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  548. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  549. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  550. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  551. PMSM_FOC_idqCalc();
  552. }
  553. float PMSM_FOC_Get_Real_dqVector(void) {
  554. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  555. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  556. }
  557. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  558. }
  559. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  560. return &gFoc_Ctrl;
  561. }
  562. void PMSM_FOC_Start(u8 nCtrlMode) {
  563. if (gFoc_Ctrl.in.b_motEnable) {
  564. return;
  565. }
  566. PMSM_FOC_CoreInit();
  567. eCtrl_Reset();
  568. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  569. gFoc_Ctrl.in.b_motEnable = true;
  570. }
  571. void PMSM_FOC_Stop(void) {
  572. if (!gFoc_Ctrl.in.b_motEnable) {
  573. return;
  574. }
  575. PMSM_FOC_CoreInit();
  576. gFoc_Ctrl.in.b_motEnable = false;
  577. }
  578. bool PMSM_FOC_Is_Start(void) {
  579. return gFoc_Ctrl.in.b_motEnable;
  580. }
  581. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  582. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  583. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  584. }
  585. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  586. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  587. }
  588. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  589. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  590. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  591. }else {
  592. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  593. }
  594. }
  595. float PMSM_FOC_GetDCCurrLimit(void) {
  596. return gFoc_Ctrl.userLim.s_iDCLim;
  597. }
  598. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  599. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  600. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  601. }
  602. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  603. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  604. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  605. }else {
  606. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  607. }
  608. }
  609. void PMSM_FOC_SpeedLimit(float speedLimit) {
  610. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  611. }
  612. void PMSM_FOC_SpeedDirectLimit(float limit) {
  613. PMSM_FOC_SpeedRampLimit(limit, 0);
  614. }
  615. float PMSM_FOC_GetSpeedLimit(void) {
  616. return gFoc_Ctrl.userLim.s_motRPMLim;
  617. }
  618. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  619. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  620. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  621. }
  622. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  623. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  624. }
  625. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  626. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  627. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  628. }else {
  629. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  630. }
  631. }
  632. float PMSM_FOC_GetTorqueLimit(void) {
  633. return gFoc_Ctrl.userLim.s_torqueLim;
  634. }
  635. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  636. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  637. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  638. }
  639. float PMSM_FOC_GetEbrkTorque(void) {
  640. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  641. }
  642. float PMSM_FOC_GetVbusVoltage(void) {
  643. return gFoc_Ctrl.in.s_vDC;
  644. }
  645. float PMSM_FOC_GetVbusCurrent(void) {
  646. return gFoc_Ctrl.out.s_FilteriDC;
  647. }
  648. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  649. return &gFoc_Ctrl.out.s_RealIdq;
  650. }
  651. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  652. if (mode > CTRL_MODE_EBRAKE) {
  653. PMSM_FOC_SetErrCode(FOC_Param_Err);
  654. return false;
  655. }
  656. gFoc_Ctrl.in.n_ctlMode = mode;
  657. return true;
  658. }
  659. u8 PMSM_FOC_GetCtrlMode(void) {
  660. return gFoc_Ctrl.in.n_ctlMode;
  661. }
  662. void PMSM_FOC_PhaseCurrLim(float lim) {
  663. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  664. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  665. }
  666. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  667. }
  668. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  669. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  670. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  671. }
  672. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  673. }
  674. float PMSM_FOC_GetPhaseCurrLim(void) {
  675. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  676. }
  677. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  678. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  679. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  680. }
  681. bool PMSM_FOC_EnableCruise(bool enable) {
  682. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  683. float motSpd = PMSM_FOC_GetSpeed();
  684. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  685. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  686. return false;
  687. }
  688. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  689. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  690. gFoc_Ctrl.in.b_cruiseEna = enable;
  691. }
  692. return true;
  693. }
  694. bool PMSM_FOC_PauseCruise(void) {
  695. gFoc_Ctrl.in.b_cruiseEna = false;
  696. return true;
  697. }
  698. bool PMSM_FOC_ResumeCruise(void) {
  699. gFoc_Ctrl.in.b_cruiseEna = true;
  700. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  701. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  702. return true;
  703. }
  704. bool PMSM_FOC_Is_CruiseEnabled(void) {
  705. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  706. }
  707. bool PMSM_FOC_Set_Speed(float rpm) {
  708. if (gFoc_Ctrl.in.b_cruiseEna) {
  709. return false;
  710. }
  711. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  712. return true;
  713. }
  714. bool PMSM_FOC_Set_Current(float is) {
  715. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  716. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  717. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  718. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  719. }
  720. eCtrl_set_TgtCurrent(is);
  721. return true;
  722. }
  723. bool PMSM_FOC_Set_Torque(float trq) {
  724. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  725. trq = gFoc_Ctrl.userLim.s_torqueLim;
  726. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  727. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  728. }
  729. eCtrl_set_TgtTorque(trq);
  730. return true;
  731. }
  732. void PMSM_FOC_Reset_Torque(void) {
  733. float real_trq = PMSM_FOC_Get_Real_dqVector();
  734. eCtrl_reset_Torque(real_trq);
  735. }
  736. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  737. if (PMSM_FOC_Is_CruiseEnabled()) {
  738. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  739. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  740. return false;
  741. }
  742. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  743. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  744. return true;
  745. }
  746. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  747. return false;
  748. }
  749. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  750. if (enable) {
  751. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  752. gFoc_Ctrl.in.s_manualAngle = 0;
  753. }else {
  754. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  755. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  756. }
  757. }
  758. void PMSM_FOC_Set_Angle(float angle) {
  759. gFoc_Ctrl.in.s_manualAngle = (angle);
  760. }
  761. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  762. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  763. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  764. }
  765. float PMSM_FOC_GetSpeed(void) {
  766. return gFoc_Ctrl.in.s_motRPM;
  767. }
  768. void PMSM_FOC_AutoHold(bool lock) {
  769. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  770. motor_encoder_lock_pos(lock);
  771. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  772. if (!lock) {
  773. //解锁后为了防止倒溜,需要把当前
  774. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  775. #ifdef CONFIG_SPEED_LADRC
  776. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  777. #else
  778. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  779. #endif
  780. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  781. #ifdef CONFIG_SPEED_LADRC
  782. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  783. #else
  784. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  785. #endif
  786. }
  787. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  788. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  789. }else {
  790. gFoc_Ctrl.out.f_autohold_trq = 0;
  791. }
  792. gFoc_Ctrl.in.b_AutoHold = lock;
  793. }
  794. }
  795. bool PMSM_FOC_AutoHoldding(void) {
  796. return gFoc_Ctrl.in.b_AutoHold;
  797. }
  798. static PI_Controller *_pid(u8 id) {
  799. PI_Controller *pi = NULL;
  800. if (id == PID_D_id) {
  801. pi = &gFoc_Ctrl.pi_id;
  802. }else if (id == PID_Q_id) {
  803. pi = &gFoc_Ctrl.pi_iq;
  804. }else if (id == PID_TRQ_id) {
  805. #ifndef CONFIG_SPEED_LADRC
  806. pi = &gFoc_Ctrl.pi_torque;
  807. #endif
  808. }else if (id == PID_Spd_id) {
  809. #ifndef CONFIG_SPEED_LADRC
  810. pi = &gFoc_Ctrl.pi_speed;
  811. #endif
  812. }
  813. return pi;
  814. }
  815. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  816. if (id > PID_Max_id) {
  817. return;
  818. }
  819. PI_Controller *pi = _pid(id);
  820. if (pi != NULL) {
  821. pi->kp = kp;
  822. pi->ki = ki;
  823. pi->kd = kd;
  824. }
  825. }
  826. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  827. if (id > PID_Max_id) {
  828. return;
  829. }
  830. PI_Controller *pi = _pid(id);
  831. if (pi != NULL) {
  832. *kp = pi->kp;
  833. *ki = pi->ki;
  834. *kd = pi->kd;
  835. }
  836. }
  837. void PMSM_FOC_SetErrCode(u8 error) {
  838. if (gFoc_Ctrl.out.n_Error != error) {
  839. gFoc_Ctrl.out.n_Error = error;
  840. }
  841. }
  842. u8 PMSM_FOC_GetErrCode(void) {
  843. return gFoc_Ctrl.out.n_Error;
  844. }
  845. void PMSM_FOC_Set_PlotType(Plot_t t) {
  846. gFoc_Ctrl.plot_type = t;
  847. }
  848. //获取母线电流和实际输出电流矢量大小
  849. void PMSM_FOC_Calc_Current(void) {
  850. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  851. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  852. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  853. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  854. /*
  855. 根据公式(等幅值变换,功率不等):
  856. iDC x vDC = 2/3(iq x vq + id x vd);
  857. */
  858. float m_pow = (vd * id + vq * iq); //s32q10
  859. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  860. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  861. raw_idc = get_vbus_current();
  862. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  863. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  864. }
  865. void PMSM_FOC_Brake(bool brake) {
  866. gFoc_Ctrl.in.b_eBrake = brake;
  867. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  868. gFoc_Ctrl.in.b_cruiseEna = false;
  869. }
  870. eCtrl_brake_signal(brake);
  871. }