PMSM_FOC_Core.c 24 KB

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  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "PMSM_FOC_Params.h"
  4. #include "foc/core/e_ctrl.h"
  5. #include "math/fix_math.h"
  6. #include "math/fast_math.h"
  7. #include "foc/motor/current.h"
  8. #include "foc/motor/motor.h"
  9. #include "foc/core/svpwm.h"
  10. #include "foc/core/torque.h"
  11. #include "foc/samples.h"
  12. #include "app/nv_storage.h"
  13. #include "bsp/pwm.h"
  14. #include "libs/logger.h"
  15. #include "math/fir.h"
  16. PMSM_FOC_Ctrl _gFOC_Ctrl;
  17. static Fir_t phase1, phase2;
  18. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  19. float c,s;
  20. #if 0
  21. SinCos_Lut(angle, &s, &c);
  22. #else
  23. s = _gFOC_Ctrl.out.sin;
  24. c = _gFOC_Ctrl.out.cos;
  25. #endif
  26. alpha_beta->a = dq->d * c - dq->q * s;
  27. alpha_beta->b = dq->d * s + dq->q * c;
  28. }
  29. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  30. alpha_beta->a = A;
  31. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  32. }
  33. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  34. float c,s;
  35. #if 0
  36. SinCos_Lut(angle, &s, &c);
  37. #else
  38. s = _gFOC_Ctrl.out.sin;
  39. c = _gFOC_Ctrl.out.cos;
  40. #endif
  41. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  42. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  43. }
  44. #define VD_PRIO_HIGH
  45. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  46. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  47. float vDC_m = vDC * module;
  48. float sq_vDC = vDC_m * vDC_m;
  49. if (sq_vdq > sq_vDC) {
  50. #ifdef VD_PRIO_HIGH
  51. out->d = vdq->d;
  52. out->q = sqrtf(sq_vDC - out->d*out->d);
  53. return 1.1f;
  54. #else
  55. float r = sqrtf(sq_vDC / sq_vdq);
  56. out->d = vdq->d * r;
  57. out->q = vdq->q * r;
  58. return r;
  59. #endif
  60. }
  61. out->d = vdq->d;
  62. out->q = vdq->q;
  63. return 1.0f; // s16q5 32 means int 1
  64. }
  65. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  66. float cp = c->s_Cp;
  67. c->s_FinalTgt = target;
  68. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  69. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  70. if (c->s_FinalTgt - cp > 0) {
  71. c->s_Step = 0.001;
  72. }else if (c->s_FinalTgt - cp < 0){
  73. c->s_Step = -0.001;
  74. }
  75. }
  76. }
  77. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  78. if (++c->n_StepCount == c->n_CtrlCount) {
  79. c->s_Cp += c->s_Step;
  80. if (c->s_Step < 0) {
  81. if (c->s_Cp < c->s_FinalTgt) {
  82. c->s_Cp = c->s_FinalTgt;
  83. }
  84. }else {
  85. if (c->s_Cp > c->s_FinalTgt) {
  86. c->s_Cp = c->s_FinalTgt;
  87. }
  88. }
  89. c->n_StepCount = 0;
  90. }
  91. return c->s_Cp;
  92. }
  93. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  94. c->n_CtrlCount = count;
  95. c->n_StepCount = 0;
  96. c->s_Cp = 0;
  97. c->s_FinalTgt = 0;
  98. c->s_Step = 0;
  99. }
  100. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  101. FOC_Set_DqRamp(c, target, (/*IDQ_CTRL_TS/SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  102. }
  103. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  104. FOC_Set_DqRamp(c, target, (VDQ_RAMP_FINAL_TIME/VDQ_RAMP_TS));
  105. }
  106. static void PMSM_FOC_Reset_PID(void) {
  107. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_id, 0);
  108. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_iq, 0);
  109. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, 0);
  110. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_fw, 0);
  111. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, 0);
  112. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  113. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_power, 0);
  114. }
  115. static void PMSM_FOC_Conf_PID(void) {
  116. _gFOC_Ctrl.pi_ctl_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  117. _gFOC_Ctrl.pi_ctl_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  118. _gFOC_Ctrl.pi_ctl_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  119. _gFOC_Ctrl.pi_ctl_id->DT = (1.0f/(float)IDQ_CTRL_TS);
  120. _gFOC_Ctrl.pi_ctl_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  121. _gFOC_Ctrl.pi_ctl_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  122. _gFOC_Ctrl.pi_ctl_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  123. _gFOC_Ctrl.pi_ctl_iq->DT = (1.0f/(float)IDQ_CTRL_TS);
  124. _gFOC_Ctrl.pi_ctl_trq->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  125. _gFOC_Ctrl.pi_ctl_trq->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  126. _gFOC_Ctrl.pi_ctl_trq->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  127. _gFOC_Ctrl.pi_ctl_trq->DT = (1.0f/(float)SPD_CTRL_TS);
  128. _gFOC_Ctrl.pi_ctl_spd->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  129. _gFOC_Ctrl.pi_ctl_spd->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  130. _gFOC_Ctrl.pi_ctl_spd->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  131. _gFOC_Ctrl.pi_ctl_spd->DT = (1.0f/(float)SPD_CTRL_TS);
  132. _gFOC_Ctrl.pi_ctl_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  133. _gFOC_Ctrl.pi_ctl_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  134. _gFOC_Ctrl.pi_ctl_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  135. _gFOC_Ctrl.pi_ctl_power->DT = (1.0f/(float)SPD_CTRL_TS);
  136. _gFOC_Ctrl.pi_ctl_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  137. _gFOC_Ctrl.pi_ctl_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  138. _gFOC_Ctrl.pi_ctl_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  139. _gFOC_Ctrl.pi_ctl_lock->DT = (1.0f/(float)SPD_CTRL_TS);
  140. }
  141. void PMSM_FOC_CoreInit(void) {
  142. Fir_init(&phase1);
  143. Fir_init(&phase2);
  144. _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
  145. _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
  146. _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
  147. _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
  148. _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
  149. _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
  150. _gFOC_Ctrl.pi_ctl_power = &PI_Ctrl_Power;
  151. PMSM_FOC_Conf_PID();
  152. memset(&_gFOC_Ctrl.in, 0, sizeof(_gFOC_Ctrl.in));
  153. memset(&_gFOC_Ctrl.out, 0, sizeof(_gFOC_Ctrl.out));
  154. memset(&_gFOC_Ctrl.userLim, 0, sizeof(_gFOC_Ctrl.userLim));
  155. _gFOC_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  156. _gFOC_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  157. _gFOC_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  158. _gFOC_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  159. _gFOC_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_VBUS_VOLTAGE;
  160. _gFOC_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  161. _gFOC_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
  162. _gFOC_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  163. _gFOC_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  164. _gFOC_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
  165. _gFOC_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxvDC;
  166. _gFOC_Ctrl.userLim.s_vDCMinLim = _gFOC_Ctrl.userLim.s_vDCMaxLim / 3;
  167. _gFOC_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_maxBrkCurrent;
  168. _gFOC_Ctrl.userLim.s_PhaseeVoleBrkLim = _gFOC_Ctrl.hwLim.s_PhaseVolMax - 20;
  169. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  170. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  171. //_gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  172. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  173. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  174. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  175. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  176. _gFOC_Ctrl.out.f_vdqRation = 0;
  177. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  178. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  179. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  180. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  181. PMSM_FOC_Reset_PID();
  182. }
  183. //#define PHASE_LFP_FIR
  184. #define PHASE_LFP
  185. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  186. AB_t vAB;
  187. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  188. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  189. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  190. }else {
  191. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  192. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  193. }
  194. SinCos_Lut(_gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.sin, &_gFOC_Ctrl.out.cos);
  195. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed() / _gFOC_Ctrl.params.n_poles;
  196. _gFOC_Ctrl.in.s_vDC = get_vbus_float();
  197. //sample current
  198. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  199. get_phase_vols(_gFOC_Ctrl.in.s_vABC);
  200. _gFOC_Ctrl.in.s_vABC[0] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  201. _gFOC_Ctrl.in.s_vABC[1] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  202. _gFOC_Ctrl.in.s_vABC[2] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  203. Clark(_gFOC_Ctrl.in.s_vABC[0], _gFOC_Ctrl.in.s_vABC[1], _gFOC_Ctrl.in.s_vABC[2], &vAB);
  204. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealVdq);
  205. #ifdef PHASE_LFP
  206. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  207. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  208. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  209. #elif defined PHASE_LFP_FIR
  210. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  211. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  212. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  213. #endif
  214. }
  215. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  216. /* update id pi ctrl */
  217. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  218. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  219. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  220. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  221. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  222. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  223. }
  224. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  225. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  226. }
  227. /* update iq pi ctrl */
  228. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  229. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  230. }
  231. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  232. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  233. }
  234. }
  235. extern int jtag_plot;
  236. float encoder_last_offset(void);
  237. static __INLINE void PMSM_FOC_Plot_Debug(void) {
  238. if (_gFOC_Ctrl.ctrl_count % 8 == 0) {
  239. //plot_1data16(_gFOC_Ctrl.out.test_sample);
  240. //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC()));
  241. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  242. //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  243. //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque));
  244. //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle));
  245. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q));
  246. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  247. //if (jtag_plot == 2) {
  248. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  249. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  250. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  251. //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]);
  252. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  253. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float()));
  254. plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_OutVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_RealVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_FilteriDC));
  255. //}
  256. //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle));
  257. //plot_1data16(_gFOC_Ctrl.in.s_motRPM);
  258. }
  259. }
  260. void PMSM_FOC_Schedule(void) {
  261. AB_t vAB;
  262. #ifdef PHASE_LFP
  263. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  264. #elif defined PHASE_LFP_FIR
  265. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  266. #else
  267. float *iabc = _gFOC_Ctrl.in.s_iABC;
  268. #endif
  269. _gFOC_Ctrl.ctrl_count++;
  270. PMSM_FOC_Update_Hardware();
  271. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  272. PMSM_FOC_Update_PI_Idq();
  273. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  274. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  275. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  276. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  277. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  278. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  279. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  280. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  281. _gFOC_Ctrl.out.test_targetIQ = target_q;
  282. }else {
  283. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  284. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  285. }
  286. _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);
  287. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  288. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  289. phase_current_point(&_gFOC_Ctrl.out);
  290. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  291. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  292. #ifdef NO_SAMPLE_IDC
  293. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  294. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  295. #endif
  296. PMSM_FOC_Plot_Debug();
  297. }
  298. void PMSM_FOC_LogDebug(void) {
  299. //sys_debug("Duty %d, %d, %d\n", _gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  300. sys_debug("Vdq %f, %f-->%f, %f, %f\n", S16Q5toF(_gFOC_Ctrl.in.s_targetVdq.d), S16Q5toF(_gFOC_Ctrl.in.s_targetVdq.q), S16Q5toF(_gFOC_Ctrl.out.s_OutVdq.d), S16Q5toF(_gFOC_Ctrl.out.s_OutVdq.q), S16Q14toF(_gFOC_Ctrl.out.f_vdqRation));
  301. sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  302. //sys_debug("iABC %f, %f, %f\n", S16Q5toF(_gFOC_Ctrl.in.s_iABC[0]), S16Q5toF(_gFOC_Ctrl.in.s_iABC[1]), S16Q5toF(_gFOC_Ctrl.in.s_iABC[2]));
  303. //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]);
  304. //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  305. }
  306. /*called in media task */
  307. u8 PMSM_FOC_CtrlMode(void) {
  308. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  309. if (!_gFOC_Ctrl.in.b_motEnable) {
  310. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  311. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  312. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  313. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  314. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  315. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  316. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  317. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  318. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  319. }else {
  320. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  321. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  322. }
  323. }
  324. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  325. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  326. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  327. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  328. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  329. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  330. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  331. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  332. }
  333. }
  334. return _gFOC_Ctrl.out.n_RunMode;
  335. }
  336. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  337. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  338. PI_Ctrl_Power.max = maxTrq;
  339. float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
  340. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  341. }
  342. static __INLINE void PMSM_FOC_idq_Assign(void) {
  343. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  344. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  345. float s, c;
  346. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  347. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  348. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  349. }else {
  350. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  351. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  352. }
  353. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  354. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  355. }
  356. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  357. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  358. }
  359. /*called in media task */
  360. void PMSM_FOC_idqCalc(void) {
  361. PMSM_FOC_Get_iDC();
  362. if (_gFOC_Ctrl.in.b_motLock) {
  363. float vel_count = motor_encoder_get_vel_count();
  364. float errRef = 0 - vel_count;
  365. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  366. PMSM_FOC_idq_Assign();
  367. return;
  368. }
  369. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  370. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  371. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  372. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  373. _gFOC_Ctrl.in.s_targetCurrent = 0;
  374. }
  375. }
  376. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  377. float refTorque = eCtrl_get_FinalTorque();
  378. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  379. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  380. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  381. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  382. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  383. }
  384. float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
  385. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef);
  386. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  387. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  388. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  389. _gFOC_Ctrl.pi_ctl_spd->min = -_gFOC_Ctrl.userLim.s_PhaseCurrLim;
  390. float refSpeed = eCtrl_get_RefSpeed();
  391. if (_gFOC_Ctrl.in.b_cruiseEna) {
  392. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  393. }
  394. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  395. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  396. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  397. }
  398. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  399. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef);
  400. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  401. }
  402. PMSM_FOC_idq_Assign();
  403. }
  404. void PMSM_FOC_Start(u8 nCtrlMode) {
  405. if (_gFOC_Ctrl.in.b_motEnable) {
  406. return;
  407. }
  408. PMSM_FOC_CoreInit();
  409. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  410. _gFOC_Ctrl.in.b_motEnable = true;
  411. }
  412. void PMSM_FOC_Stop(void) {
  413. if (!_gFOC_Ctrl.in.b_motEnable) {
  414. return;
  415. }
  416. PMSM_FOC_CoreInit();
  417. _gFOC_Ctrl.in.b_motEnable = false;
  418. }
  419. bool PMSM_FOC_Is_Start(void) {
  420. return _gFOC_Ctrl.in.b_motEnable;
  421. }
  422. void PMSM_FOC_iBusLimit(float ibusLimit) {
  423. _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
  424. }
  425. void PMSM_FOC_SpeedLimit(float speedLimit) {
  426. if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
  427. speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
  428. }
  429. _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
  430. }
  431. float PMSM_FOC_GetSpeedLimit(void) {
  432. return _gFOC_Ctrl.userLim.s_motRPMLim;
  433. }
  434. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  435. if (torqueLimit > _gFOC_Ctrl.hwLim.s_torqueMax) {
  436. torqueLimit = _gFOC_Ctrl.hwLim.s_torqueMax;
  437. }
  438. _gFOC_Ctrl.userLim.s_torqueLim = torqueLimit;
  439. }
  440. float PMSM_FOC_GetTorqueLimit(void) {
  441. return _gFOC_Ctrl.userLim.s_torqueLim;
  442. }
  443. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  444. _gFOC_Ctrl.userLim.s_iDCeBrkLim = curr;
  445. }
  446. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  447. return _gFOC_Ctrl.userLim.s_iDCeBrkLim ;
  448. }
  449. void PMSM_FOC_VbusVoltage(float vbusVol) {
  450. _gFOC_Ctrl.in.s_vDC = vbusVol;
  451. }
  452. void PMSM_FOC_SetCtrlMode(u8 mode) {
  453. _gFOC_Ctrl.in.n_ctlMode = mode;
  454. }
  455. u8 PMSM_FOC_GetCtrlMode(void) {
  456. return _gFOC_Ctrl.in.n_ctlMode;
  457. }
  458. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  459. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  460. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  461. }
  462. bool PMSM_FOC_EnableCruise(bool enable) {
  463. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  464. float motSpd = PMSM_FOC_GetSpeed();
  465. if (motSpd < MIN_CRUISE_RPM) { //
  466. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  467. return false;
  468. }
  469. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  470. _gFOC_Ctrl.in.b_cruiseEna = enable;
  471. }
  472. return true;
  473. }
  474. bool PMSM_FOC_Is_CruiseEnabled(void) {
  475. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  476. }
  477. bool PMSM_FOC_Set_Speed(float rpm) {
  478. if (_gFOC_Ctrl.in.b_cruiseEna) {
  479. return false;
  480. }
  481. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  482. return true;
  483. }
  484. bool PMSM_FOC_Set_epmMode(bool epm) {
  485. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  486. if (PMSM_FOC_GetSpeed() != 0.0f) {
  487. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  488. return false;
  489. }
  490. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  491. _gFOC_Ctrl.in.b_epmMode = epm;
  492. if (epm) {
  493. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  494. eCtrl_set_TgtSpeed(0);
  495. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  496. }else {
  497. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  498. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  499. }
  500. }
  501. return true;
  502. }
  503. bool PMSM_FOC_is_epmMode(void) {
  504. return _gFOC_Ctrl.in.b_epmMode;
  505. }
  506. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  507. if (!_gFOC_Ctrl.in.b_epmMode) {
  508. return false;
  509. }
  510. if (move) {
  511. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  512. return false;
  513. }
  514. _gFOC_Ctrl.in.epmDirection = dir;
  515. }else {
  516. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  517. }
  518. return true;
  519. }
  520. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  521. return _gFOC_Ctrl.in.epmDirection;
  522. }
  523. bool PMSM_FOC_Set_Current(float is) {
  524. eCtrl_set_TgtCurrent(is);
  525. return true;
  526. }
  527. bool PMSM_FOC_Set_Torque(float trq) {
  528. eCtrl_set_TgtTorque(trq);
  529. return true;
  530. }
  531. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  532. if (PMSM_FOC_Is_CruiseEnabled()) {
  533. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  534. return true;
  535. }
  536. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  537. return false;
  538. }
  539. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  540. if (enable) {
  541. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  542. _gFOC_Ctrl.in.s_manualAngle = 0;
  543. }else {
  544. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  545. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  546. }
  547. }
  548. void PMSM_FOC_Set_Angle(float angle) {
  549. _gFOC_Ctrl.in.s_manualAngle = (angle);
  550. }
  551. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  552. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  553. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  554. }
  555. float PMSM_FOC_GetSpeed(void) {
  556. return _gFOC_Ctrl.in.s_motRPM;
  557. }
  558. void PMSM_FOC_LockMotor(bool lock) {
  559. if (_gFOC_Ctrl.in.b_motLock != lock) {
  560. motor_encoder_lock_pos(lock);
  561. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  562. _gFOC_Ctrl.in.b_motLock = lock;
  563. }
  564. }
  565. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  566. }
  567. void PMSM_FOC_SetErrCode(u8 error) {
  568. if (_gFOC_Ctrl.out.n_Error != error) {
  569. _gFOC_Ctrl.out.n_Error = error;
  570. }
  571. }
  572. u8 PMSM_FOC_GetErrCode(void) {
  573. return _gFOC_Ctrl.out.n_Error;
  574. }
  575. void PMSM_FOC_SetCriticalError(u8 err) {
  576. _gFOC_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  577. }
  578. void PMSM_FOC_ClrCriticalError(u8 err) {
  579. _gFOC_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  580. }
  581. u32 PMSM_FOC_GetCriticalError(void) {
  582. return _gFOC_Ctrl.out.n_CritiCalErrMask;
  583. }
  584. //获取母线电流
  585. float PMSM_FOC_Get_iDC(void) {
  586. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  587. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  588. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  589. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  590. /*
  591. 根据公式(等幅值变换,功率不等):
  592. iDC x vDC = 2/3(iq x vq + id x vd);
  593. */
  594. float m_pow = (vd * id + vq * iq); //s32q10
  595. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5
  596. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  597. return _gFOC_Ctrl.out.s_FilteriDC;
  598. }
  599. void PMSM_FOC_Brake(bool brake) {
  600. _gFOC_Ctrl.in.b_eBrake = brake;
  601. if (!_gFOC_Ctrl.in.b_motEnable) {
  602. return;
  603. }
  604. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  605. _gFOC_Ctrl.in.b_cruiseEna = false;
  606. }
  607. eCtrl_brake_signal(brake);
  608. }