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. TD_t speed_td;
  19. static bool g_focinit = false;
  20. static u32 PMSM_FOC_Debug_Task(void *p);
  21. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  22. float c,s;
  23. #if 0
  24. SinCos_Lut(angle, &s, &c);
  25. #else
  26. s = _gFOC_Ctrl.out.sin;
  27. c = _gFOC_Ctrl.out.cos;
  28. #endif
  29. alpha_beta->a = dq->d * c - dq->q * s;
  30. alpha_beta->b = dq->d * s + dq->q * c;
  31. }
  32. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  33. alpha_beta->a = A;
  34. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  35. }
  36. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  37. float c,s;
  38. #if 0
  39. SinCos_Lut(angle, &s, &c);
  40. #else
  41. s = _gFOC_Ctrl.out.sin;
  42. c = _gFOC_Ctrl.out.cos;
  43. #endif
  44. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  45. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  46. }
  47. #define VD_PRIO_HIGH
  48. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  49. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  50. float vDC_m = vDC * module;
  51. float sq_vDC = vDC_m * vDC_m;
  52. if (sq_vdq > sq_vDC) {
  53. #ifdef VD_PRIO_HIGH
  54. out->d = vdq->d;
  55. out->q = sqrtf(sq_vDC - out->d*out->d);
  56. return 1.1f;
  57. #else
  58. float r = sqrtf(sq_vDC / sq_vdq);
  59. out->d = vdq->d * r;
  60. out->q = vdq->q * r;
  61. return r;
  62. #endif
  63. }
  64. out->d = vdq->d;
  65. out->q = vdq->q;
  66. return 1.0f; // s16q5 32 means int 1
  67. }
  68. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  69. float cp = c->s_Cp;
  70. c->s_FinalTgt = target;
  71. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  72. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  73. if (c->s_FinalTgt - cp > 0) {
  74. c->s_Step = 0.001;
  75. }else if (c->s_FinalTgt - cp < 0){
  76. c->s_Step = -0.001;
  77. }
  78. }
  79. }
  80. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  81. if (++c->n_StepCount == c->n_CtrlCount) {
  82. c->s_Cp += c->s_Step;
  83. if (c->s_Step < 0) {
  84. if (c->s_Cp < c->s_FinalTgt) {
  85. c->s_Cp = c->s_FinalTgt;
  86. }
  87. }else {
  88. if (c->s_Cp > c->s_FinalTgt) {
  89. c->s_Cp = c->s_FinalTgt;
  90. }
  91. }
  92. c->n_StepCount = 0;
  93. }
  94. return c->s_Cp;
  95. }
  96. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  97. c->n_CtrlCount = count;
  98. c->n_StepCount = 0;
  99. c->s_Cp = 0;
  100. c->s_FinalTgt = 0;
  101. c->s_Step = 0;
  102. }
  103. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  104. FOC_Set_DqRamp(c, target, (/*IDQ_CTRL_TS/SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  105. }
  106. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  107. FOC_Set_DqRamp(c, target, (VDQ_RAMP_FINAL_TIME/1000*((IDQ_CTRL_TS/VDQ_RAMP_TS))));
  108. }
  109. static void PMSM_FOC_Reset_PID(void) {
  110. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_id, 0);
  111. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_iq, 0);
  112. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, 0);
  113. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_fw, 0);
  114. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, 0);
  115. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  116. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_power, 0);
  117. }
  118. static void PMSM_FOC_Conf_PID(void) {
  119. _gFOC_Ctrl.pi_ctl_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  120. _gFOC_Ctrl.pi_ctl_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  121. _gFOC_Ctrl.pi_ctl_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  122. _gFOC_Ctrl.pi_ctl_id->DT = (1.0f/(float)IDQ_CTRL_TS);
  123. _gFOC_Ctrl.pi_ctl_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  124. _gFOC_Ctrl.pi_ctl_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  125. _gFOC_Ctrl.pi_ctl_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  126. _gFOC_Ctrl.pi_ctl_iq->DT = (1.0f/(float)IDQ_CTRL_TS);
  127. _gFOC_Ctrl.pi_ctl_trq->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  128. _gFOC_Ctrl.pi_ctl_trq->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  129. _gFOC_Ctrl.pi_ctl_trq->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  130. _gFOC_Ctrl.pi_ctl_trq->DT = (1.0f/(float)SPD_CTRL_TS);
  131. _gFOC_Ctrl.pi_ctl_spd->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  132. _gFOC_Ctrl.pi_ctl_spd->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  133. _gFOC_Ctrl.pi_ctl_spd->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  134. _gFOC_Ctrl.pi_ctl_spd->DT = (1.0f/(float)SPD_CTRL_TS);
  135. _gFOC_Ctrl.pi_ctl_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  136. _gFOC_Ctrl.pi_ctl_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  137. _gFOC_Ctrl.pi_ctl_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  138. _gFOC_Ctrl.pi_ctl_power->DT = (1.0f/(float)SPD_CTRL_TS);
  139. _gFOC_Ctrl.pi_ctl_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  140. _gFOC_Ctrl.pi_ctl_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  141. _gFOC_Ctrl.pi_ctl_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  142. _gFOC_Ctrl.pi_ctl_lock->DT = (1.0f/(float)SPD_CTRL_TS);
  143. }
  144. static void PMSM_FOC_UserInit(void) {
  145. memset(&_gFOC_Ctrl.userLim, 0, sizeof(_gFOC_Ctrl.userLim));
  146. _gFOC_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
  147. _gFOC_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  148. _gFOC_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  149. _gFOC_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
  150. _gFOC_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxvDC;
  151. _gFOC_Ctrl.userLim.s_vDCMinLim = _gFOC_Ctrl.userLim.s_vDCMaxLim / 3;
  152. _gFOC_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  153. _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  154. _gFOC_Ctrl.userLim.s_PhaseeVoleBrkLim = _gFOC_Ctrl.hwLim.s_PhaseVolMax - 20;
  155. }
  156. void PMSM_FOC_CoreInit(void) {
  157. Fir_init(&phase1);
  158. Fir_init(&phase2);
  159. _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
  160. _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
  161. _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
  162. _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
  163. _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
  164. _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
  165. _gFOC_Ctrl.pi_ctl_power = &PI_Ctrl_Power;
  166. TD_Init(&speed_td, 2.0f, (1.0f/(float)SPD_CTRL_TS));
  167. PMSM_FOC_Conf_PID();
  168. memset(&_gFOC_Ctrl.in, 0, sizeof(_gFOC_Ctrl.in));
  169. memset(&_gFOC_Ctrl.out, 0, sizeof(_gFOC_Ctrl.out));
  170. _gFOC_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  171. _gFOC_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  172. _gFOC_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  173. _gFOC_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  174. _gFOC_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_VBUS_VOLTAGE;
  175. _gFOC_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  176. if (!g_focinit) {
  177. PMSM_FOC_UserInit();
  178. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  179. g_focinit = true;
  180. }
  181. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  182. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  183. //_gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  184. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  185. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  186. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  187. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  188. _gFOC_Ctrl.out.f_vdqRation = 0;
  189. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  190. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  191. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  192. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  193. PMSM_FOC_Reset_PID();
  194. }
  195. //#define PHASE_LFP_FIR
  196. #define PHASE_LFP
  197. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  198. AB_t vAB;
  199. #ifdef PHASE_LFP
  200. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  201. #elif defined PHASE_LFP_FIR
  202. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  203. #else
  204. float *iabc = _gFOC_Ctrl.in.s_iABC;
  205. #endif
  206. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  207. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  208. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  209. }else {
  210. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  211. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  212. }
  213. SinCos_Lut(_gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.sin, &_gFOC_Ctrl.out.cos);
  214. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  215. _gFOC_Ctrl.in.s_vDC = get_vbus_int();
  216. //sample current
  217. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  218. get_phase_vols(_gFOC_Ctrl.in.s_vABC);
  219. _gFOC_Ctrl.in.s_vABC[0] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  220. _gFOC_Ctrl.in.s_vABC[1] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  221. _gFOC_Ctrl.in.s_vABC[2] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  222. Clark(_gFOC_Ctrl.in.s_vABC[0], _gFOC_Ctrl.in.s_vABC[1], _gFOC_Ctrl.in.s_vABC[2], &vAB);
  223. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealVdq);
  224. #ifdef PHASE_LFP
  225. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  226. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  227. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  228. #elif defined PHASE_LFP_FIR
  229. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  230. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  231. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  232. #endif
  233. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  234. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  235. }
  236. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  237. /* update id pi ctrl */
  238. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  239. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  240. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  241. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  242. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  243. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  244. }
  245. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  246. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  247. }
  248. /* update iq pi ctrl */
  249. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  250. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  251. }
  252. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  253. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  254. }
  255. }
  256. static u32 PMSM_FOC_Debug_Task(void *p) {
  257. if (_gFOC_Ctrl.in.b_motEnable) {
  258. //plot_3data16(FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[0]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[1]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[2]));
  259. plot_3data16(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_targetRPM, _gFOC_Ctrl.in.s_motRPM);
  260. //plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q), FtoS16x10(_gFOC_Ctrl.idq_ctl[1].s_FinalTgt));
  261. //plot_3data16( _gFOC_Ctrl.in.s_motRPM, speed_td.target, speed_td.diff);
  262. }
  263. return 1;
  264. }
  265. void PMSM_FOC_Schedule(void) {
  266. AB_t vAB;
  267. _gFOC_Ctrl.ctrl_count++;
  268. PMSM_FOC_Update_Hardware();
  269. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  270. PMSM_FOC_Update_PI_Idq();
  271. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  272. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  273. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  274. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  275. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  276. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  277. _gFOC_Ctrl.out.test_targetIQ = target_q;
  278. }else {
  279. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  280. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  281. }
  282. _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);
  283. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  284. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  285. phase_current_point(&_gFOC_Ctrl.out);
  286. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  287. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  288. if (_gFOC_Ctrl.ctrl_count % 5 == 0) {
  289. //plot_3data16(FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[0]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[1]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[2]));
  290. //plot_3data16((s16)_gFOC_Ctrl.out.s_RealIdq.d, (s16)_gFOC_Ctrl.out.s_RealIdq.q, (s16)_gFOC_Ctrl.idq_ctl[1].s_Cp);
  291. }
  292. }
  293. void PMSM_FOC_LogDebug(void) {
  294. }
  295. /*called in media task */
  296. u8 PMSM_FOC_CtrlMode(void) {
  297. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  298. if (!_gFOC_Ctrl.in.b_motEnable) {
  299. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  300. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  301. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  302. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  303. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  304. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  305. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  306. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  307. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  308. }else {
  309. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  310. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  311. }
  312. }
  313. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  314. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  315. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  316. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  317. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  318. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  319. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  320. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  321. }
  322. }
  323. return _gFOC_Ctrl.out.n_RunMode;
  324. }
  325. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  326. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  327. #if 0
  328. PI_Ctrl_Power.max = maxTrq;
  329. float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
  330. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  331. #else
  332. return maxTrq;
  333. #endif
  334. }
  335. static __INLINE void PMSM_FOC_idq_Assign(void) {
  336. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  337. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  338. float s, c;
  339. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  340. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  341. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  342. }else {
  343. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  344. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  345. }
  346. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  347. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  348. }
  349. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  350. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  351. }
  352. /*called in media task */
  353. void PMSM_FOC_idqCalc(void) {
  354. if (_gFOC_Ctrl.in.b_motLock) {
  355. float vel_count = motor_encoder_get_vel_count();
  356. float errRef = 0 - vel_count;
  357. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  358. PMSM_FOC_idq_Assign();
  359. return;
  360. }
  361. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  362. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  363. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  364. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  365. _gFOC_Ctrl.in.s_targetCurrent = 0;
  366. }
  367. }
  368. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  369. float refTorque = eCtrl_get_FinalTorque();
  370. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  371. _gFOC_Ctrl.pi_ctl_trq->min = 0;
  372. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  373. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  374. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  375. }
  376. float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
  377. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef);
  378. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  379. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  380. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  381. _gFOC_Ctrl.pi_ctl_spd->min = 0;//-_gFOC_Ctrl.userLim.s_PhaseCurrLim;
  382. float refSpeed = eCtrl_get_RefSpeed();
  383. if (_gFOC_Ctrl.in.b_cruiseEna) {
  384. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  385. }else {
  386. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  387. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  388. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  389. }
  390. }
  391. _gFOC_Ctrl.in.s_targetRPM = refSpeed;
  392. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  393. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef);
  394. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  395. }
  396. TD_run(&speed_td, _gFOC_Ctrl.in.s_motRPM);
  397. PMSM_FOC_idq_Assign();
  398. }
  399. void PMSM_FOC_Start(u8 nCtrlMode) {
  400. if (_gFOC_Ctrl.in.b_motEnable) {
  401. return;
  402. }
  403. PMSM_FOC_CoreInit();
  404. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  405. _gFOC_Ctrl.in.b_motEnable = true;
  406. }
  407. void PMSM_FOC_Stop(void) {
  408. if (!_gFOC_Ctrl.in.b_motEnable) {
  409. return;
  410. }
  411. PMSM_FOC_CoreInit();
  412. _gFOC_Ctrl.in.b_motEnable = false;
  413. }
  414. bool PMSM_FOC_Is_Start(void) {
  415. return _gFOC_Ctrl.in.b_motEnable;
  416. }
  417. void PMSM_FOC_iBusLimit(float ibusLimit) {
  418. _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
  419. }
  420. float PMSM_FOC_GetiBusLimit(void) {
  421. return _gFOC_Ctrl.userLim.s_iDCLim;
  422. }
  423. void PMSM_FOC_SpeedLimit(float speedLimit) {
  424. if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
  425. speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
  426. }
  427. _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
  428. }
  429. float PMSM_FOC_GetSpeedLimit(void) {
  430. return _gFOC_Ctrl.userLim.s_motRPMLim;
  431. }
  432. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  433. if (torqueLimit > _gFOC_Ctrl.hwLim.s_torqueMax) {
  434. torqueLimit = _gFOC_Ctrl.hwLim.s_torqueMax;
  435. }
  436. _gFOC_Ctrl.userLim.s_torqueLim = torqueLimit;
  437. }
  438. float PMSM_FOC_GetTorqueLimit(void) {
  439. return _gFOC_Ctrl.userLim.s_torqueLim;
  440. }
  441. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  442. _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  443. }
  444. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  445. return _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim ;
  446. }
  447. float PMSM_FOC_GetVbusVoltage(void) {
  448. return _gFOC_Ctrl.in.s_vDC;
  449. }
  450. float PMSM_FOC_GetVbusCurrent(void) {
  451. return _gFOC_Ctrl.out.s_FilteriDC;
  452. }
  453. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  454. return &_gFOC_Ctrl.out.s_RealIdq;
  455. }
  456. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  457. if (mode > CTRL_MODE_CURRENT_BRK) {
  458. PMSM_FOC_SetErrCode(FOC_Param_Err);
  459. return false;
  460. }
  461. _gFOC_Ctrl.in.n_ctlMode = mode;
  462. return true;
  463. }
  464. void PMSM_FOC_GetCurrentMode(u8 *data) {
  465. data[0] = _gFOC_Ctrl.in.n_ctlMode;
  466. data[0] |= _gFOC_Ctrl.out.n_RunMode << 2;
  467. data[0] |= (_gFOC_Ctrl.in.b_cruiseEna?1:0) << 4;
  468. data[0] |= (PMSM_FOC_Is_CruiseEnabled()?1:0) << 5;
  469. data[0] |= (PMSM_FOC_is_epmMode()?1:0) << 6;
  470. data[0] |= (0) << 7; //motor locked
  471. }
  472. u8 PMSM_FOC_GetCtrlMode(void) {
  473. return _gFOC_Ctrl.in.n_ctlMode;
  474. }
  475. void PMSM_FOC_PhaseCurrLim(float lim) {
  476. if (lim > _gFOC_Ctrl.hwLim.s_PhaseCurrMax) {
  477. lim = _gFOC_Ctrl.hwLim.s_PhaseCurrMax;
  478. }
  479. _gFOC_Ctrl.userLim.s_PhaseCurrLim = lim;
  480. }
  481. float PMSM_FOC_GetPhaseCurrLim(void) {
  482. return _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  483. }
  484. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  485. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  486. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  487. }
  488. bool PMSM_FOC_EnableCruise(bool enable) {
  489. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  490. float motSpd = PMSM_FOC_GetSpeed();
  491. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  492. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  493. return false;
  494. }
  495. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  496. _gFOC_Ctrl.in.b_cruiseEna = enable;
  497. }
  498. return true;
  499. }
  500. bool PMSM_FOC_Is_CruiseEnabled(void) {
  501. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  502. }
  503. bool PMSM_FOC_Set_Speed(float rpm) {
  504. if (_gFOC_Ctrl.in.b_cruiseEna) {
  505. return false;
  506. }
  507. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  508. return true;
  509. }
  510. bool PMSM_FOC_Set_epmMode(bool epm) {
  511. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  512. if (PMSM_FOC_GetSpeed() != 0.0f) {
  513. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  514. return false;
  515. }
  516. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  517. _gFOC_Ctrl.in.b_epmMode = epm;
  518. if (epm) {
  519. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  520. eCtrl_set_TgtSpeed(0);
  521. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  522. }else {
  523. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  524. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  525. }
  526. }
  527. return true;
  528. }
  529. bool PMSM_FOC_is_epmMode(void) {
  530. return _gFOC_Ctrl.in.b_epmMode;
  531. }
  532. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  533. if (!_gFOC_Ctrl.in.b_epmMode) {
  534. return false;
  535. }
  536. if (move) {
  537. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  538. return false;
  539. }
  540. _gFOC_Ctrl.in.epmDirection = dir;
  541. }else {
  542. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  543. }
  544. return true;
  545. }
  546. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  547. return _gFOC_Ctrl.in.epmDirection;
  548. }
  549. bool PMSM_FOC_Set_Current(float is) {
  550. eCtrl_set_TgtCurrent(is);
  551. return true;
  552. }
  553. bool PMSM_FOC_Set_Torque(float trq) {
  554. eCtrl_set_TgtTorque(trq);
  555. return true;
  556. }
  557. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  558. if (PMSM_FOC_Is_CruiseEnabled()) {
  559. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  560. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  561. return false;
  562. }
  563. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  564. return true;
  565. }
  566. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  567. return false;
  568. }
  569. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  570. if (enable) {
  571. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  572. _gFOC_Ctrl.in.s_manualAngle = 0;
  573. }else {
  574. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  575. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  576. }
  577. }
  578. void PMSM_FOC_Set_Angle(float angle) {
  579. _gFOC_Ctrl.in.s_manualAngle = (angle);
  580. }
  581. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  582. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  583. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  584. }
  585. float PMSM_FOC_GetSpeed(void) {
  586. return _gFOC_Ctrl.in.s_motRPM;
  587. }
  588. void PMSM_FOC_LockMotor(bool lock) {
  589. if (_gFOC_Ctrl.in.b_motLock != lock) {
  590. motor_encoder_lock_pos(lock);
  591. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  592. _gFOC_Ctrl.in.b_motLock = lock;
  593. }
  594. }
  595. static PI_Controller *_pid(u8 id) {
  596. PI_Controller *pi = NULL;
  597. if (id == PID_D_id) {
  598. pi = _gFOC_Ctrl.pi_ctl_id;
  599. }else if (id == PID_Q_id) {
  600. pi = _gFOC_Ctrl.pi_ctl_iq;
  601. }else if (id == PID_TRQ_id) {
  602. pi = _gFOC_Ctrl.pi_ctl_trq;
  603. }else if (id == PID_Spd_id) {
  604. pi = _gFOC_Ctrl.pi_ctl_spd;
  605. }
  606. return pi;
  607. }
  608. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  609. if (id > PID_Max_id) {
  610. return;
  611. }
  612. PI_Controller *pi = _pid(id);
  613. if (pi != NULL) {
  614. pi->kp = kp;
  615. pi->ki = ki;
  616. pi->kb = kb;
  617. }
  618. }
  619. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  620. if (id > PID_Max_id) {
  621. return;
  622. }
  623. PI_Controller *pi = _pid(id);
  624. if (pi != NULL) {
  625. *kp = pi->kp;
  626. *ki = pi->ki;
  627. *kb = pi->kb;
  628. }
  629. }
  630. void PMSM_FOC_SetErrCode(u8 error) {
  631. if (_gFOC_Ctrl.out.n_Error != error) {
  632. _gFOC_Ctrl.out.n_Error = error;
  633. }
  634. }
  635. u8 PMSM_FOC_GetErrCode(void) {
  636. return _gFOC_Ctrl.out.n_Error;
  637. }
  638. void PMSM_FOC_SetCriticalError(u8 err) {
  639. _gFOC_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  640. }
  641. void PMSM_FOC_ClrCriticalError(u8 err) {
  642. _gFOC_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  643. }
  644. u32 PMSM_FOC_GetCriticalError(void) {
  645. return _gFOC_Ctrl.out.n_CritiCalErrMask;
  646. }
  647. //获取母线电流
  648. float PMSM_FOC_Calc_iDC(void) {
  649. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  650. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  651. #ifdef NO_SAMPLE_IDC
  652. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  653. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  654. #endif
  655. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  656. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  657. /*
  658. 根据公式(等幅值变换,功率不等):
  659. iDC x vDC = 2/3(iq x vq + id x vd);
  660. */
  661. float m_pow = (vd * id + vq * iq); //s32q10
  662. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC;// * 1.5f * 0.66f; //s16q5
  663. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  664. return _gFOC_Ctrl.out.s_FilteriDC;
  665. }
  666. void PMSM_FOC_Brake(bool brake) {
  667. _gFOC_Ctrl.in.b_eBrake = brake;
  668. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  669. _gFOC_Ctrl.in.b_cruiseEna = false;
  670. }
  671. eCtrl_brake_signal(brake);
  672. }