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.in.s_manualAngle = INVALID_ANGLE;
  195. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  196. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  197. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  198. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  199. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  200. gFoc_Ctrl.out.f_vdqRation = 0;
  201. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  202. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  203. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  204. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  205. PMSM_FOC_Reset_PID();
  206. foc_observer_init();
  207. gFoc_Ctrl.plot_type = Plot_None;
  208. }
  209. static __INLINE void PMSM_FOC_Update_Input(void) {
  210. AB_t iAB;
  211. float *iabc = gFoc_Ctrl.in.s_iABC;
  212. phase_current_get(iabc);
  213. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  214. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  215. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  216. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  217. }else {
  218. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  219. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  220. }
  221. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  222. #ifdef CONFIG_DQ_STEP_RESPONSE
  223. gFoc_Ctrl.in.s_hallAngle = 0;
  224. gFoc_Ctrl.in.s_motAngle = 0;
  225. #endif
  226. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  227. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  228. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  229. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  230. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  231. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  232. }
  233. #ifdef CONFIG_DQ_STEP_RESPONSE
  234. float target_d = 0.0f;
  235. float target_q = 0.0f;
  236. #endif
  237. static u32 PMSM_FOC_Debug_Task(void *p) {
  238. if (gFoc_Ctrl.in.b_motEnable) {
  239. #ifdef CONFIG_DQ_STEP_RESPONSE
  240. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  241. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  242. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  243. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  244. }
  245. #else
  246. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  247. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  248. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  249. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  250. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  251. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  252. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  253. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  254. }
  255. #endif
  256. }
  257. return 1;
  258. }
  259. void PMSM_FOC_Schedule(void) {
  260. gFoc_Ctrl.ctrl_count++;
  261. PMSM_FOC_Update_Input();
  262. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  263. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  264. float max_vd = max_Vdc * SQRT3_BY_2;
  265. /* limiter Vd output for PI controller */
  266. gFoc_Ctrl.pi_id.max = max_vd;
  267. gFoc_Ctrl.pi_id.min = -max_vd;
  268. #ifndef CONFIG_DQ_STEP_RESPONSE
  269. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  270. #endif
  271. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  272. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  273. /* update kp&ki from lq for iq PI controller */
  274. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  275. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * lq);
  276. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/lq);
  277. /* limiter Vq output for PI controller */
  278. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  279. gFoc_Ctrl.pi_iq.max = max_vq;
  280. gFoc_Ctrl.pi_iq.min = -max_vq;
  281. #ifndef CONFIG_DQ_STEP_RESPONSE
  282. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  283. #endif
  284. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  285. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(&gFoc_Ctrl.pi_iq, err);
  286. }else {
  287. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  288. float max_vd = max_Vdc * SQRT3_BY_2;
  289. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  290. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  291. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  292. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  293. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  294. }
  295. #if 0
  296. 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);
  297. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  298. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  299. #else
  300. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  301. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  302. #endif
  303. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  304. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  305. phase_current_point(&gFoc_Ctrl.out);
  306. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  307. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  308. if (gFoc_Ctrl.plot_type != Plot_None) {
  309. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  310. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  311. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  312. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  313. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  314. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  315. #ifdef CONFIG_SMO_OBSERVER
  316. float smo_angle = foc_observer_smo_angle();
  317. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  318. if (delta > 180) {
  319. delta -= 360;
  320. }else if (delta < -180) {
  321. delta += 360;
  322. }
  323. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  324. #endif
  325. }
  326. }
  327. }
  328. }
  329. void PMSM_FOC_LogDebug(void) {
  330. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  331. }
  332. /*called in media task */
  333. u8 PMSM_FOC_CtrlMode(void) {
  334. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  335. if (!gFoc_Ctrl.in.b_motEnable) {
  336. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  337. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  338. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  339. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  340. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  341. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  342. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  343. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  344. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  345. }else {
  346. if (!gFoc_Ctrl.in.b_cruiseEna) {
  347. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  348. }
  349. }
  350. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  351. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  352. #ifdef CONFIG_SPEED_LADRC
  353. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  354. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  355. #else
  356. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  357. #endif
  358. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  359. #ifdef CONFIG_SPEED_LADRC
  360. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  361. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  362. #else
  363. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  364. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  365. target_troque = PMSM_FOC_Get_Real_dqVector();
  366. }
  367. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  368. #endif
  369. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  370. #ifdef CONFIG_SPEED_LADRC
  371. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  372. #else
  373. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  374. #endif
  375. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  376. #if 0
  377. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  378. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  379. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  380. #else
  381. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  382. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  383. #endif
  384. }
  385. }
  386. return gFoc_Ctrl.out.n_RunMode;
  387. }
  388. static void crosszero_step_towards(float *value, float target) {
  389. float v_now = *value;
  390. bool cross_zero = false;
  391. if (target > 0) {
  392. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  393. step_towards(value, target, 0.05f);
  394. cross_zero = true;
  395. }
  396. }else if (target == 0) {
  397. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  398. step_towards(value, target, 0.05f);
  399. cross_zero = true;
  400. }
  401. }else {
  402. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  403. step_towards(value, target, 0.02f);
  404. cross_zero = true;
  405. }
  406. }
  407. if (!cross_zero) {
  408. *value = target;
  409. }
  410. }
  411. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  412. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  413. #if 1
  414. gFoc_Ctrl.pi_power.max = maxTrq;
  415. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  416. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  417. #else
  418. return maxTrq;
  419. #endif
  420. }
  421. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  422. #ifdef CONFIG_SPEED_LADRC
  423. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  424. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  425. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  426. #else
  427. #if 1
  428. gFoc_Ctrl.pi_torque->max = maxTrq;
  429. gFoc_Ctrl.pi_torque->min = 0;
  430. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  431. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  432. #else
  433. return maxTrq;
  434. #endif
  435. #endif
  436. }
  437. static __INLINE void PMSM_FOC_idq_Assign(void) {
  438. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  439. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  440. float s, c;
  441. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  442. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  443. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  444. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  445. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  446. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  447. }
  448. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  449. }else {
  450. gFoc_Ctrl.in.s_targetIdq.d = 0;
  451. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  452. }
  453. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  454. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  455. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  456. }
  457. u32 mask = cpu_enter_critical();
  458. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  459. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  460. cpu_exit_critical(mask);
  461. }
  462. /*called in media task */
  463. void PMSM_FOC_idqCalc(void) {
  464. if (gFoc_Ctrl.in.b_AutoHold) {
  465. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  466. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  467. float vel_count = motor_encoder_get_vel_count();
  468. float errRef = 0 - vel_count;
  469. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  470. PMSM_FOC_idq_Assign();
  471. return;
  472. }
  473. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  474. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  475. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  476. float maxTrq = eCtrl_get_RefTorque();
  477. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  478. maxTrq = 0;
  479. }
  480. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  481. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  482. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  483. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  484. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  485. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  486. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  487. float maxSpeed = eCtrl_get_FinalSpeed();
  488. float refSpeed = eCtrl_get_RefSpeed();
  489. if (gFoc_Ctrl.in.b_cruiseEna) {
  490. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  491. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  492. }
  493. #ifdef CONFIG_SPEED_LADRC
  494. if (maxSpeed >= 0) {
  495. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  496. }else if (maxSpeed < 0) {
  497. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  498. }
  499. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  500. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  501. }
  502. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  503. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  504. #else
  505. if (maxSpeed >= 0) {
  506. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  507. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  508. }else if (maxSpeed < 0) {
  509. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  510. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  511. }
  512. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  513. gFoc_Ctrl.pi_speed->max = 0;
  514. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  515. }
  516. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  517. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  518. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  519. #endif
  520. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  521. }
  522. PMSM_FOC_idq_Assign();
  523. }
  524. bool PMSM_FOC_RunTime_Limit(void) {
  525. bool changed = false;
  526. float dc_lim = (float)vbus_current_vol_lower_limit();
  527. float torque_lim = (float)torque_temp_high_limit();
  528. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  529. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  530. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  531. changed = true;
  532. }
  533. return changed;
  534. }
  535. bool PMSM_FOC_iDC_is_Limited(void) {
  536. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  537. }
  538. bool PMSM_FOC_Torque_is_Limited(void) {
  539. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  540. }
  541. void PMSM_FOC_Slow_Task(void) {
  542. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  543. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  544. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  545. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  546. PMSM_FOC_idqCalc();
  547. }
  548. float PMSM_FOC_Get_Real_dqVector(void) {
  549. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  550. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  551. }
  552. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  553. }
  554. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  555. return &gFoc_Ctrl;
  556. }
  557. void PMSM_FOC_Start(u8 nCtrlMode) {
  558. if (gFoc_Ctrl.in.b_motEnable) {
  559. return;
  560. }
  561. PMSM_FOC_CoreInit();
  562. eCtrl_Reset();
  563. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  564. gFoc_Ctrl.in.b_motEnable = true;
  565. }
  566. void PMSM_FOC_Stop(void) {
  567. if (!gFoc_Ctrl.in.b_motEnable) {
  568. return;
  569. }
  570. PMSM_FOC_CoreInit();
  571. gFoc_Ctrl.in.b_motEnable = false;
  572. }
  573. bool PMSM_FOC_Is_Start(void) {
  574. return gFoc_Ctrl.in.b_motEnable;
  575. }
  576. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  577. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  578. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  579. }
  580. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  581. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  582. }
  583. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  584. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  585. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  586. }else {
  587. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  588. }
  589. }
  590. float PMSM_FOC_GetDCCurrLimit(void) {
  591. return gFoc_Ctrl.userLim.s_iDCLim;
  592. }
  593. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  594. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  595. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  596. }
  597. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  598. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  599. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  600. }else {
  601. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  602. }
  603. }
  604. void PMSM_FOC_SpeedLimit(float speedLimit) {
  605. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  606. }
  607. void PMSM_FOC_SpeedDirectLimit(float limit) {
  608. PMSM_FOC_SpeedRampLimit(limit, 0);
  609. }
  610. float PMSM_FOC_GetSpeedLimit(void) {
  611. return gFoc_Ctrl.userLim.s_motRPMLim;
  612. }
  613. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  614. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  615. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  616. }
  617. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  618. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  619. }
  620. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  621. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  622. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  623. }else {
  624. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  625. }
  626. }
  627. float PMSM_FOC_GetTorqueLimit(void) {
  628. return gFoc_Ctrl.userLim.s_torqueLim;
  629. }
  630. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  631. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  632. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  633. }
  634. float PMSM_FOC_GetEbrkTorque(void) {
  635. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  636. }
  637. float PMSM_FOC_GetVbusVoltage(void) {
  638. return gFoc_Ctrl.in.s_vDC;
  639. }
  640. float PMSM_FOC_GetVbusCurrent(void) {
  641. return gFoc_Ctrl.out.s_FilteriDC;
  642. }
  643. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  644. return &gFoc_Ctrl.out.s_RealIdq;
  645. }
  646. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  647. if (mode > CTRL_MODE_EBRAKE) {
  648. PMSM_FOC_SetErrCode(FOC_Param_Err);
  649. return false;
  650. }
  651. gFoc_Ctrl.in.n_ctlMode = mode;
  652. return true;
  653. }
  654. u8 PMSM_FOC_GetCtrlMode(void) {
  655. return gFoc_Ctrl.in.n_ctlMode;
  656. }
  657. void PMSM_FOC_PhaseCurrLim(float lim) {
  658. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  659. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  660. }
  661. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  662. }
  663. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  664. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  665. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  666. }
  667. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  668. }
  669. float PMSM_FOC_GetPhaseCurrLim(void) {
  670. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  671. }
  672. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  673. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  674. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  675. }
  676. bool PMSM_FOC_EnableCruise(bool enable) {
  677. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  678. float motSpd = PMSM_FOC_GetSpeed();
  679. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  680. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  681. return false;
  682. }
  683. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  684. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  685. gFoc_Ctrl.in.b_cruiseEna = enable;
  686. }
  687. return true;
  688. }
  689. bool PMSM_FOC_PauseCruise(void) {
  690. gFoc_Ctrl.in.b_cruiseEna = false;
  691. return true;
  692. }
  693. bool PMSM_FOC_ResumeCruise(void) {
  694. gFoc_Ctrl.in.b_cruiseEna = true;
  695. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  696. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  697. return true;
  698. }
  699. bool PMSM_FOC_Is_CruiseEnabled(void) {
  700. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  701. }
  702. bool PMSM_FOC_Set_Speed(float rpm) {
  703. if (gFoc_Ctrl.in.b_cruiseEna) {
  704. return false;
  705. }
  706. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  707. return true;
  708. }
  709. bool PMSM_FOC_Set_Current(float is) {
  710. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  711. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  712. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  713. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  714. }
  715. eCtrl_set_TgtCurrent(is);
  716. return true;
  717. }
  718. bool PMSM_FOC_Set_Torque(float trq) {
  719. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  720. trq = gFoc_Ctrl.userLim.s_torqueLim;
  721. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  722. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  723. }
  724. eCtrl_set_TgtTorque(trq);
  725. return true;
  726. }
  727. void PMSM_FOC_Reset_Torque(void) {
  728. float real_trq = PMSM_FOC_Get_Real_dqVector();
  729. eCtrl_reset_Torque(real_trq);
  730. }
  731. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  732. if (PMSM_FOC_Is_CruiseEnabled()) {
  733. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  734. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  735. return false;
  736. }
  737. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  738. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  739. return true;
  740. }
  741. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  742. return false;
  743. }
  744. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  745. if (enable) {
  746. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  747. gFoc_Ctrl.in.s_manualAngle = 0;
  748. }else {
  749. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  750. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  751. }
  752. }
  753. void PMSM_FOC_Set_Angle(float angle) {
  754. gFoc_Ctrl.in.s_manualAngle = (angle);
  755. }
  756. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  757. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  758. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  759. }
  760. float PMSM_FOC_GetSpeed(void) {
  761. return gFoc_Ctrl.in.s_motRPM;
  762. }
  763. void PMSM_FOC_AutoHold(bool lock) {
  764. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  765. motor_encoder_lock_pos(lock);
  766. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  767. if (!lock) {
  768. //解锁后为了防止倒溜,需要把当前
  769. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  770. #ifdef CONFIG_SPEED_LADRC
  771. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  772. #else
  773. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  774. #endif
  775. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  776. #ifdef CONFIG_SPEED_LADRC
  777. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  778. #else
  779. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  780. #endif
  781. }
  782. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  783. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  784. }else {
  785. gFoc_Ctrl.out.f_autohold_trq = 0;
  786. }
  787. gFoc_Ctrl.in.b_AutoHold = lock;
  788. }
  789. }
  790. bool PMSM_FOC_AutoHoldding(void) {
  791. return gFoc_Ctrl.in.b_AutoHold;
  792. }
  793. static PI_Controller *_pid(u8 id) {
  794. PI_Controller *pi = NULL;
  795. if (id == PID_D_id) {
  796. pi = &gFoc_Ctrl.pi_id;
  797. }else if (id == PID_Q_id) {
  798. pi = &gFoc_Ctrl.pi_iq;
  799. }else if (id == PID_TRQ_id) {
  800. #ifndef CONFIG_SPEED_LADRC
  801. pi = &gFoc_Ctrl.pi_torque;
  802. #endif
  803. }else if (id == PID_Spd_id) {
  804. #ifndef CONFIG_SPEED_LADRC
  805. pi = &gFoc_Ctrl.pi_speed;
  806. #endif
  807. }
  808. return pi;
  809. }
  810. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  811. if (id > PID_Max_id) {
  812. return;
  813. }
  814. PI_Controller *pi = _pid(id);
  815. if (pi != NULL) {
  816. pi->kp = kp;
  817. pi->ki = ki;
  818. pi->kd = kd;
  819. }
  820. }
  821. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  822. if (id > PID_Max_id) {
  823. return;
  824. }
  825. PI_Controller *pi = _pid(id);
  826. if (pi != NULL) {
  827. *kp = pi->kp;
  828. *ki = pi->ki;
  829. *kd = pi->kd;
  830. }
  831. }
  832. void PMSM_FOC_SetErrCode(u8 error) {
  833. if (gFoc_Ctrl.out.n_Error != error) {
  834. gFoc_Ctrl.out.n_Error = error;
  835. }
  836. }
  837. u8 PMSM_FOC_GetErrCode(void) {
  838. return gFoc_Ctrl.out.n_Error;
  839. }
  840. void PMSM_FOC_Set_PlotType(Plot_t t) {
  841. gFoc_Ctrl.plot_type = t;
  842. }
  843. //获取母线电流和实际输出电流矢量大小
  844. void PMSM_FOC_Calc_Current(void) {
  845. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  846. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  847. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  848. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  849. /*
  850. 根据公式(等幅值变换,功率不等):
  851. iDC x vDC = 2/3(iq x vq + id x vd);
  852. */
  853. float m_pow = (vd * id + vq * iq); //s32q10
  854. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  855. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  856. raw_idc = get_vbus_current();
  857. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  858. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  859. }
  860. void PMSM_FOC_Brake(bool brake) {
  861. gFoc_Ctrl.in.b_eBrake = brake;
  862. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  863. gFoc_Ctrl.in.b_cruiseEna = false;
  864. }
  865. eCtrl_brake_signal(brake);
  866. }