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 bool g_focinit = false;
  19. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  20. float c,s;
  21. #if 0
  22. SinCos_Lut(angle, &s, &c);
  23. #else
  24. s = _gFOC_Ctrl.out.sin;
  25. c = _gFOC_Ctrl.out.cos;
  26. #endif
  27. alpha_beta->a = dq->d * c - dq->q * s;
  28. alpha_beta->b = dq->d * s + dq->q * c;
  29. }
  30. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  31. alpha_beta->a = A;
  32. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  33. }
  34. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  35. float c,s;
  36. #if 0
  37. SinCos_Lut(angle, &s, &c);
  38. #else
  39. s = _gFOC_Ctrl.out.sin;
  40. c = _gFOC_Ctrl.out.cos;
  41. #endif
  42. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  43. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  44. }
  45. #define VD_PRIO_HIGH
  46. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  47. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  48. float vDC_m = vDC * module;
  49. float sq_vDC = vDC_m * vDC_m;
  50. if (sq_vdq > sq_vDC) {
  51. #ifdef VD_PRIO_HIGH
  52. out->d = vdq->d;
  53. out->q = sqrtf(sq_vDC - out->d*out->d);
  54. return 1.1f;
  55. #else
  56. float r = sqrtf(sq_vDC / sq_vdq);
  57. out->d = vdq->d * r;
  58. out->q = vdq->q * r;
  59. return r;
  60. #endif
  61. }
  62. out->d = vdq->d;
  63. out->q = vdq->q;
  64. return 1.0f; // s16q5 32 means int 1
  65. }
  66. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  67. float cp = c->s_Cp;
  68. c->s_FinalTgt = target;
  69. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  70. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  71. if (c->s_FinalTgt - cp > 0) {
  72. c->s_Step = 0.001;
  73. }else if (c->s_FinalTgt - cp < 0){
  74. c->s_Step = -0.001;
  75. }
  76. }
  77. }
  78. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  79. if (++c->n_StepCount == c->n_CtrlCount) {
  80. c->s_Cp += c->s_Step;
  81. if (c->s_Step < 0) {
  82. if (c->s_Cp < c->s_FinalTgt) {
  83. c->s_Cp = c->s_FinalTgt;
  84. }
  85. }else {
  86. if (c->s_Cp > c->s_FinalTgt) {
  87. c->s_Cp = c->s_FinalTgt;
  88. }
  89. }
  90. c->n_StepCount = 0;
  91. }
  92. return c->s_Cp;
  93. }
  94. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  95. c->n_CtrlCount = count;
  96. c->n_StepCount = 0;
  97. c->s_Cp = 0;
  98. c->s_FinalTgt = 0;
  99. c->s_Step = 0;
  100. }
  101. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  102. FOC_Set_DqRamp(c, target, (/*IDQ_CTRL_TS/SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  103. }
  104. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  105. FOC_Set_DqRamp(c, target, (VDQ_RAMP_FINAL_TIME/VDQ_RAMP_TS));
  106. }
  107. static void PMSM_FOC_Reset_PID(void) {
  108. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_id, 0);
  109. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_iq, 0);
  110. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, 0);
  111. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_fw, 0);
  112. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, 0);
  113. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  114. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_power, 0);
  115. }
  116. static void PMSM_FOC_Conf_PID(void) {
  117. _gFOC_Ctrl.pi_ctl_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  118. _gFOC_Ctrl.pi_ctl_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  119. _gFOC_Ctrl.pi_ctl_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  120. _gFOC_Ctrl.pi_ctl_id->DT = (1.0f/(float)IDQ_CTRL_TS);
  121. _gFOC_Ctrl.pi_ctl_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  122. _gFOC_Ctrl.pi_ctl_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  123. _gFOC_Ctrl.pi_ctl_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  124. _gFOC_Ctrl.pi_ctl_iq->DT = (1.0f/(float)IDQ_CTRL_TS);
  125. _gFOC_Ctrl.pi_ctl_trq->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  126. _gFOC_Ctrl.pi_ctl_trq->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  127. _gFOC_Ctrl.pi_ctl_trq->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  128. _gFOC_Ctrl.pi_ctl_trq->DT = (1.0f/(float)SPD_CTRL_TS);
  129. _gFOC_Ctrl.pi_ctl_spd->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  130. _gFOC_Ctrl.pi_ctl_spd->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  131. _gFOC_Ctrl.pi_ctl_spd->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  132. _gFOC_Ctrl.pi_ctl_spd->DT = (1.0f/(float)SPD_CTRL_TS);
  133. _gFOC_Ctrl.pi_ctl_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  134. _gFOC_Ctrl.pi_ctl_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  135. _gFOC_Ctrl.pi_ctl_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  136. _gFOC_Ctrl.pi_ctl_power->DT = (1.0f/(float)SPD_CTRL_TS);
  137. _gFOC_Ctrl.pi_ctl_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  138. _gFOC_Ctrl.pi_ctl_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  139. _gFOC_Ctrl.pi_ctl_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  140. _gFOC_Ctrl.pi_ctl_lock->DT = (1.0f/(float)SPD_CTRL_TS);
  141. }
  142. static void PMSM_FOC_UserInit(void) {
  143. memset(&_gFOC_Ctrl.userLim, 0, sizeof(_gFOC_Ctrl.userLim));
  144. _gFOC_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
  145. _gFOC_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  146. _gFOC_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  147. _gFOC_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
  148. _gFOC_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxvDC;
  149. _gFOC_Ctrl.userLim.s_vDCMinLim = _gFOC_Ctrl.userLim.s_vDCMaxLim / 3;
  150. _gFOC_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  151. _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  152. _gFOC_Ctrl.userLim.s_PhaseeVoleBrkLim = _gFOC_Ctrl.hwLim.s_PhaseVolMax - 20;
  153. }
  154. void PMSM_FOC_CoreInit(void) {
  155. Fir_init(&phase1);
  156. Fir_init(&phase2);
  157. _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
  158. _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
  159. _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
  160. _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
  161. _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
  162. _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
  163. _gFOC_Ctrl.pi_ctl_power = &PI_Ctrl_Power;
  164. PMSM_FOC_Conf_PID();
  165. memset(&_gFOC_Ctrl.in, 0, sizeof(_gFOC_Ctrl.in));
  166. memset(&_gFOC_Ctrl.out, 0, sizeof(_gFOC_Ctrl.out));
  167. _gFOC_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  168. _gFOC_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  169. _gFOC_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  170. _gFOC_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  171. _gFOC_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_VBUS_VOLTAGE;
  172. _gFOC_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  173. if (!g_focinit) {
  174. PMSM_FOC_UserInit();
  175. g_focinit = false;
  176. }
  177. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  178. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  179. //_gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  180. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  181. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  182. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  183. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  184. _gFOC_Ctrl.out.f_vdqRation = 0;
  185. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  186. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  187. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  188. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  189. PMSM_FOC_Reset_PID();
  190. }
  191. //#define PHASE_LFP_FIR
  192. #define PHASE_LFP
  193. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  194. AB_t vAB;
  195. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  196. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  197. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  198. }else {
  199. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  200. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  201. }
  202. SinCos_Lut(_gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.sin, &_gFOC_Ctrl.out.cos);
  203. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed() / _gFOC_Ctrl.params.n_poles;
  204. _gFOC_Ctrl.in.s_vDC = get_vbus_float();
  205. //sample current
  206. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  207. get_phase_vols(_gFOC_Ctrl.in.s_vABC);
  208. _gFOC_Ctrl.in.s_vABC[0] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  209. _gFOC_Ctrl.in.s_vABC[1] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  210. _gFOC_Ctrl.in.s_vABC[2] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  211. Clark(_gFOC_Ctrl.in.s_vABC[0], _gFOC_Ctrl.in.s_vABC[1], _gFOC_Ctrl.in.s_vABC[2], &vAB);
  212. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealVdq);
  213. #ifdef PHASE_LFP
  214. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  215. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  216. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  217. #elif defined PHASE_LFP_FIR
  218. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  219. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  220. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  221. #endif
  222. }
  223. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  224. /* update id pi ctrl */
  225. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  226. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  227. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  228. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  229. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  230. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  231. }
  232. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  233. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  234. }
  235. /* update iq pi ctrl */
  236. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  237. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  238. }
  239. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  240. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  241. }
  242. }
  243. extern int jtag_plot;
  244. float encoder_last_offset(void);
  245. static __INLINE void PMSM_FOC_Plot_Debug(void) {
  246. if (_gFOC_Ctrl.ctrl_count % 8 == 0) {
  247. //plot_1data16(_gFOC_Ctrl.out.test_sample);
  248. //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC()));
  249. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  250. //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  251. //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque));
  252. //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle));
  253. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q));
  254. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  255. //if (jtag_plot == 2) {
  256. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  257. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  258. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  259. //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]);
  260. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  261. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float()));
  262. plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_OutVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_RealVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_FilteriDC));
  263. //}
  264. //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle));
  265. //plot_1data16(_gFOC_Ctrl.in.s_motRPM);
  266. }
  267. }
  268. void PMSM_FOC_Schedule(void) {
  269. AB_t vAB;
  270. #ifdef PHASE_LFP
  271. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  272. #elif defined PHASE_LFP_FIR
  273. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  274. #else
  275. float *iabc = _gFOC_Ctrl.in.s_iABC;
  276. #endif
  277. _gFOC_Ctrl.ctrl_count++;
  278. PMSM_FOC_Update_Hardware();
  279. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  280. PMSM_FOC_Update_PI_Idq();
  281. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  282. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  283. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  284. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  285. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  286. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  287. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  288. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  289. _gFOC_Ctrl.out.test_targetIQ = target_q;
  290. }else {
  291. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  292. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  293. }
  294. _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);
  295. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  296. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  297. phase_current_point(&_gFOC_Ctrl.out);
  298. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  299. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  300. #ifdef NO_SAMPLE_IDC
  301. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  302. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  303. #endif
  304. PMSM_FOC_Plot_Debug();
  305. }
  306. void PMSM_FOC_LogDebug(void) {
  307. //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]);
  308. 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));
  309. sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  310. //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]));
  311. //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]);
  312. //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  313. }
  314. /*called in media task */
  315. u8 PMSM_FOC_CtrlMode(void) {
  316. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  317. if (!_gFOC_Ctrl.in.b_motEnable) {
  318. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  319. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  320. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  321. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  322. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  323. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  324. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  325. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  326. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  327. }else {
  328. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  329. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  330. }
  331. }
  332. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  333. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  334. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  335. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  336. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  337. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  338. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  339. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  340. }
  341. }
  342. return _gFOC_Ctrl.out.n_RunMode;
  343. }
  344. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  345. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  346. PI_Ctrl_Power.max = maxTrq;
  347. float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
  348. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  349. }
  350. static __INLINE void PMSM_FOC_idq_Assign(void) {
  351. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  352. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  353. float s, c;
  354. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  355. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  356. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  357. }else {
  358. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  359. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  360. }
  361. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  362. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  363. }
  364. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  365. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  366. }
  367. /*called in media task */
  368. void PMSM_FOC_idqCalc(void) {
  369. PMSM_FOC_Get_iDC();
  370. if (_gFOC_Ctrl.in.b_motLock) {
  371. float vel_count = motor_encoder_get_vel_count();
  372. float errRef = 0 - vel_count;
  373. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  374. PMSM_FOC_idq_Assign();
  375. return;
  376. }
  377. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  378. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  379. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  380. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  381. _gFOC_Ctrl.in.s_targetCurrent = 0;
  382. }
  383. }
  384. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  385. float refTorque = eCtrl_get_FinalTorque();
  386. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  387. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  388. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  389. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  390. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  391. }
  392. float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
  393. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef);
  394. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  395. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  396. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  397. _gFOC_Ctrl.pi_ctl_spd->min = -_gFOC_Ctrl.userLim.s_PhaseCurrLim;
  398. float refSpeed = eCtrl_get_RefSpeed();
  399. if (_gFOC_Ctrl.in.b_cruiseEna) {
  400. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  401. }
  402. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  403. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  404. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  405. }
  406. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  407. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef);
  408. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  409. }
  410. PMSM_FOC_idq_Assign();
  411. }
  412. void PMSM_FOC_Start(u8 nCtrlMode) {
  413. if (_gFOC_Ctrl.in.b_motEnable) {
  414. return;
  415. }
  416. PMSM_FOC_CoreInit();
  417. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  418. _gFOC_Ctrl.in.b_motEnable = true;
  419. }
  420. void PMSM_FOC_Stop(void) {
  421. if (!_gFOC_Ctrl.in.b_motEnable) {
  422. return;
  423. }
  424. PMSM_FOC_CoreInit();
  425. _gFOC_Ctrl.in.b_motEnable = false;
  426. }
  427. bool PMSM_FOC_Is_Start(void) {
  428. return _gFOC_Ctrl.in.b_motEnable;
  429. }
  430. void PMSM_FOC_iBusLimit(float ibusLimit) {
  431. _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
  432. }
  433. void PMSM_FOC_SpeedLimit(float speedLimit) {
  434. if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
  435. speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
  436. }
  437. _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
  438. }
  439. float PMSM_FOC_GetSpeedLimit(void) {
  440. return _gFOC_Ctrl.userLim.s_motRPMLim;
  441. }
  442. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  443. if (torqueLimit > _gFOC_Ctrl.hwLim.s_torqueMax) {
  444. torqueLimit = _gFOC_Ctrl.hwLim.s_torqueMax;
  445. }
  446. _gFOC_Ctrl.userLim.s_torqueLim = torqueLimit;
  447. }
  448. float PMSM_FOC_GetTorqueLimit(void) {
  449. return _gFOC_Ctrl.userLim.s_torqueLim;
  450. }
  451. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  452. _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  453. }
  454. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  455. return _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim ;
  456. }
  457. void PMSM_FOC_VbusVoltage(float vbusVol) {
  458. _gFOC_Ctrl.in.s_vDC = vbusVol;
  459. }
  460. void PMSM_FOC_SetCtrlMode(u8 mode) {
  461. _gFOC_Ctrl.in.n_ctlMode = mode;
  462. }
  463. u8 PMSM_FOC_GetCtrlMode(void) {
  464. return _gFOC_Ctrl.in.n_ctlMode;
  465. }
  466. void PMSM_FOC_PhaseCurrLim(float lim) {
  467. if (lim > _gFOC_Ctrl.hwLim.s_PhaseCurrMax) {
  468. lim = _gFOC_Ctrl.hwLim.s_PhaseCurrMax;
  469. }
  470. _gFOC_Ctrl.userLim.s_PhaseCurrLim = lim;
  471. }
  472. float PMSM_FOC_GetPhaseCurrLim(void) {
  473. return _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  474. }
  475. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  476. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  477. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  478. }
  479. bool PMSM_FOC_EnableCruise(bool enable) {
  480. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  481. float motSpd = PMSM_FOC_GetSpeed();
  482. if (motSpd < MIN_CRUISE_RPM) { //
  483. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  484. return false;
  485. }
  486. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  487. _gFOC_Ctrl.in.b_cruiseEna = enable;
  488. }
  489. return true;
  490. }
  491. bool PMSM_FOC_Is_CruiseEnabled(void) {
  492. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  493. }
  494. bool PMSM_FOC_Set_Speed(float rpm) {
  495. if (_gFOC_Ctrl.in.b_cruiseEna) {
  496. return false;
  497. }
  498. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  499. return true;
  500. }
  501. bool PMSM_FOC_Set_epmMode(bool epm) {
  502. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  503. if (PMSM_FOC_GetSpeed() != 0.0f) {
  504. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  505. return false;
  506. }
  507. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  508. _gFOC_Ctrl.in.b_epmMode = epm;
  509. if (epm) {
  510. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  511. eCtrl_set_TgtSpeed(0);
  512. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  513. }else {
  514. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  515. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  516. }
  517. }
  518. return true;
  519. }
  520. bool PMSM_FOC_is_epmMode(void) {
  521. return _gFOC_Ctrl.in.b_epmMode;
  522. }
  523. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  524. if (!_gFOC_Ctrl.in.b_epmMode) {
  525. return false;
  526. }
  527. if (move) {
  528. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  529. return false;
  530. }
  531. _gFOC_Ctrl.in.epmDirection = dir;
  532. }else {
  533. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  534. }
  535. return true;
  536. }
  537. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  538. return _gFOC_Ctrl.in.epmDirection;
  539. }
  540. bool PMSM_FOC_Set_Current(float is) {
  541. eCtrl_set_TgtCurrent(is);
  542. return true;
  543. }
  544. bool PMSM_FOC_Set_Torque(float trq) {
  545. eCtrl_set_TgtTorque(trq);
  546. return true;
  547. }
  548. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  549. if (PMSM_FOC_Is_CruiseEnabled()) {
  550. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  551. return true;
  552. }
  553. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  554. return false;
  555. }
  556. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  557. if (enable) {
  558. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  559. _gFOC_Ctrl.in.s_manualAngle = 0;
  560. }else {
  561. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  562. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  563. }
  564. }
  565. void PMSM_FOC_Set_Angle(float angle) {
  566. _gFOC_Ctrl.in.s_manualAngle = (angle);
  567. }
  568. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  569. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  570. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  571. }
  572. float PMSM_FOC_GetSpeed(void) {
  573. return _gFOC_Ctrl.in.s_motRPM;
  574. }
  575. void PMSM_FOC_LockMotor(bool lock) {
  576. if (_gFOC_Ctrl.in.b_motLock != lock) {
  577. motor_encoder_lock_pos(lock);
  578. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  579. _gFOC_Ctrl.in.b_motLock = lock;
  580. }
  581. }
  582. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  583. }
  584. void PMSM_FOC_SetErrCode(u8 error) {
  585. if (_gFOC_Ctrl.out.n_Error != error) {
  586. _gFOC_Ctrl.out.n_Error = error;
  587. }
  588. }
  589. u8 PMSM_FOC_GetErrCode(void) {
  590. return _gFOC_Ctrl.out.n_Error;
  591. }
  592. void PMSM_FOC_SetCriticalError(u8 err) {
  593. _gFOC_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  594. }
  595. void PMSM_FOC_ClrCriticalError(u8 err) {
  596. _gFOC_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  597. }
  598. u32 PMSM_FOC_GetCriticalError(void) {
  599. return _gFOC_Ctrl.out.n_CritiCalErrMask;
  600. }
  601. //获取母线电流
  602. float PMSM_FOC_Get_iDC(void) {
  603. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  604. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  605. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  606. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  607. /*
  608. 根据公式(等幅值变换,功率不等):
  609. iDC x vDC = 2/3(iq x vq + id x vd);
  610. */
  611. float m_pow = (vd * id + vq * iq); //s32q10
  612. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5
  613. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  614. return _gFOC_Ctrl.out.s_FilteriDC;
  615. }
  616. void PMSM_FOC_Brake(bool brake) {
  617. _gFOC_Ctrl.in.b_eBrake = brake;
  618. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  619. _gFOC_Ctrl.in.b_cruiseEna = false;
  620. }
  621. eCtrl_brake_signal(brake);
  622. }