PMSM_FOC_Core.c 23 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/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]), _gFOC_Ctrl.in.s_motRPM);
  259. //plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q), FtoS16x10(_gFOC_Ctrl.idq_ctl[1].s_FinalTgt));
  260. //plot_3data16( _gFOC_Ctrl.in.s_motRPM, speed_td.target, speed_td.diff);
  261. }
  262. return 1;
  263. }
  264. void PMSM_FOC_Schedule(void) {
  265. AB_t vAB;
  266. _gFOC_Ctrl.ctrl_count++;
  267. PMSM_FOC_Update_Hardware();
  268. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  269. PMSM_FOC_Update_PI_Idq();
  270. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  271. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  272. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  273. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  274. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  275. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  276. _gFOC_Ctrl.out.test_targetIQ = target_q;
  277. }else {
  278. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  279. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  280. }
  281. _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);
  282. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  283. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  284. phase_current_point(&_gFOC_Ctrl.out);
  285. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  286. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  287. if (_gFOC_Ctrl.ctrl_count % 5 == 0) {
  288. plot_3data16(FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[0]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[1]), FtoS16x10(_gFOC_Ctrl.in.s_iABCFilter[2]));
  289. }
  290. }
  291. void PMSM_FOC_LogDebug(void) {
  292. }
  293. /*called in media task */
  294. u8 PMSM_FOC_CtrlMode(void) {
  295. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  296. if (!_gFOC_Ctrl.in.b_motEnable) {
  297. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  298. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  299. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  300. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  301. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  302. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  303. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  304. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  305. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  306. }else {
  307. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  308. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  309. }
  310. }
  311. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  312. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  313. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  314. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  315. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  316. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  317. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  318. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  319. }
  320. }
  321. return _gFOC_Ctrl.out.n_RunMode;
  322. }
  323. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  324. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  325. #if 0
  326. PI_Ctrl_Power.max = maxTrq;
  327. float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
  328. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  329. #else
  330. return maxTrq;
  331. #endif
  332. }
  333. static __INLINE void PMSM_FOC_idq_Assign(void) {
  334. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  335. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  336. float s, c;
  337. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  338. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  339. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  340. }else {
  341. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  342. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  343. }
  344. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  345. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  346. }
  347. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  348. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  349. }
  350. /*called in media task */
  351. void PMSM_FOC_idqCalc(void) {
  352. if (_gFOC_Ctrl.in.b_motLock) {
  353. float vel_count = motor_encoder_get_vel_count();
  354. float errRef = 0 - vel_count;
  355. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  356. PMSM_FOC_idq_Assign();
  357. return;
  358. }
  359. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  360. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  361. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  362. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  363. _gFOC_Ctrl.in.s_targetCurrent = 0;
  364. }
  365. }
  366. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  367. float refTorque = eCtrl_get_FinalTorque();
  368. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  369. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  370. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  371. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  372. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  373. }
  374. float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
  375. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef);
  376. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  377. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  378. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  379. _gFOC_Ctrl.pi_ctl_spd->min = -_gFOC_Ctrl.userLim.s_PhaseCurrLim;
  380. float refSpeed = eCtrl_get_RefSpeed();
  381. if (_gFOC_Ctrl.in.b_cruiseEna) {
  382. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  383. }else {
  384. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  385. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  386. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  387. }
  388. }
  389. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  390. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef);
  391. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  392. }
  393. TD_run(&speed_td, _gFOC_Ctrl.in.s_motRPM);
  394. PMSM_FOC_idq_Assign();
  395. }
  396. void PMSM_FOC_Start(u8 nCtrlMode) {
  397. if (_gFOC_Ctrl.in.b_motEnable) {
  398. return;
  399. }
  400. PMSM_FOC_CoreInit();
  401. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  402. _gFOC_Ctrl.in.b_motEnable = true;
  403. }
  404. void PMSM_FOC_Stop(void) {
  405. if (!_gFOC_Ctrl.in.b_motEnable) {
  406. return;
  407. }
  408. PMSM_FOC_CoreInit();
  409. _gFOC_Ctrl.in.b_motEnable = false;
  410. }
  411. bool PMSM_FOC_Is_Start(void) {
  412. return _gFOC_Ctrl.in.b_motEnable;
  413. }
  414. void PMSM_FOC_iBusLimit(float ibusLimit) {
  415. _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
  416. }
  417. float PMSM_FOC_GetiBusLimit(void) {
  418. return _gFOC_Ctrl.userLim.s_iDCLim;
  419. }
  420. void PMSM_FOC_SpeedLimit(float speedLimit) {
  421. if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
  422. speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
  423. }
  424. _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
  425. }
  426. float PMSM_FOC_GetSpeedLimit(void) {
  427. return _gFOC_Ctrl.userLim.s_motRPMLim;
  428. }
  429. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  430. if (torqueLimit > _gFOC_Ctrl.hwLim.s_torqueMax) {
  431. torqueLimit = _gFOC_Ctrl.hwLim.s_torqueMax;
  432. }
  433. _gFOC_Ctrl.userLim.s_torqueLim = torqueLimit;
  434. }
  435. float PMSM_FOC_GetTorqueLimit(void) {
  436. return _gFOC_Ctrl.userLim.s_torqueLim;
  437. }
  438. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  439. _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  440. }
  441. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  442. return _gFOC_Ctrl.userLim.s_PhaseCurreBrkLim ;
  443. }
  444. float PMSM_FOC_GetVbusVoltage(void) {
  445. return _gFOC_Ctrl.in.s_vDC;
  446. }
  447. float PMSM_FOC_GetVbusCurrent(void) {
  448. return _gFOC_Ctrl.out.s_FilteriDC;
  449. }
  450. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  451. return &_gFOC_Ctrl.out.s_RealIdq;
  452. }
  453. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  454. if (mode > CTRL_MODE_CURRENT_BRK) {
  455. PMSM_FOC_SetErrCode(FOC_Param_Err);
  456. return false;
  457. }
  458. _gFOC_Ctrl.in.n_ctlMode = mode;
  459. return true;
  460. }
  461. void PMSM_FOC_GetCurrentMode(u8 *data) {
  462. data[0] = _gFOC_Ctrl.in.n_ctlMode;
  463. data[0] |= _gFOC_Ctrl.out.n_RunMode << 2;
  464. data[0] |= (_gFOC_Ctrl.in.b_cruiseEna?1:0) << 4;
  465. data[0] |= (PMSM_FOC_Is_CruiseEnabled()?1:0) << 5;
  466. data[0] |= (PMSM_FOC_is_epmMode()?1:0) << 6;
  467. data[0] |= (0) << 7; //motor locked
  468. }
  469. u8 PMSM_FOC_GetCtrlMode(void) {
  470. return _gFOC_Ctrl.in.n_ctlMode;
  471. }
  472. void PMSM_FOC_PhaseCurrLim(float lim) {
  473. if (lim > _gFOC_Ctrl.hwLim.s_PhaseCurrMax) {
  474. lim = _gFOC_Ctrl.hwLim.s_PhaseCurrMax;
  475. }
  476. _gFOC_Ctrl.userLim.s_PhaseCurrLim = lim;
  477. }
  478. float PMSM_FOC_GetPhaseCurrLim(void) {
  479. return _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  480. }
  481. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  482. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  483. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  484. }
  485. bool PMSM_FOC_EnableCruise(bool enable) {
  486. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  487. float motSpd = PMSM_FOC_GetSpeed();
  488. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  489. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  490. return false;
  491. }
  492. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  493. _gFOC_Ctrl.in.b_cruiseEna = enable;
  494. }
  495. return true;
  496. }
  497. bool PMSM_FOC_Is_CruiseEnabled(void) {
  498. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  499. }
  500. bool PMSM_FOC_Set_Speed(float rpm) {
  501. if (_gFOC_Ctrl.in.b_cruiseEna) {
  502. return false;
  503. }
  504. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  505. return true;
  506. }
  507. bool PMSM_FOC_Set_epmMode(bool epm) {
  508. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  509. if (PMSM_FOC_GetSpeed() != 0.0f) {
  510. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  511. return false;
  512. }
  513. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  514. _gFOC_Ctrl.in.b_epmMode = epm;
  515. if (epm) {
  516. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  517. eCtrl_set_TgtSpeed(0);
  518. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  519. }else {
  520. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  521. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  522. }
  523. }
  524. return true;
  525. }
  526. bool PMSM_FOC_is_epmMode(void) {
  527. return _gFOC_Ctrl.in.b_epmMode;
  528. }
  529. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  530. if (!_gFOC_Ctrl.in.b_epmMode) {
  531. return false;
  532. }
  533. if (move) {
  534. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  535. return false;
  536. }
  537. _gFOC_Ctrl.in.epmDirection = dir;
  538. }else {
  539. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  540. }
  541. return true;
  542. }
  543. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  544. return _gFOC_Ctrl.in.epmDirection;
  545. }
  546. bool PMSM_FOC_Set_Current(float is) {
  547. eCtrl_set_TgtCurrent(is);
  548. return true;
  549. }
  550. bool PMSM_FOC_Set_Torque(float trq) {
  551. eCtrl_set_TgtTorque(trq);
  552. return true;
  553. }
  554. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  555. if (PMSM_FOC_Is_CruiseEnabled()) {
  556. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  557. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  558. return false;
  559. }
  560. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  561. return true;
  562. }
  563. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  564. return false;
  565. }
  566. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  567. if (enable) {
  568. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  569. _gFOC_Ctrl.in.s_manualAngle = 0;
  570. }else {
  571. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  572. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  573. }
  574. }
  575. void PMSM_FOC_Set_Angle(float angle) {
  576. _gFOC_Ctrl.in.s_manualAngle = (angle);
  577. }
  578. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  579. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  580. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  581. }
  582. float PMSM_FOC_GetSpeed(void) {
  583. return _gFOC_Ctrl.in.s_motRPM;
  584. }
  585. void PMSM_FOC_LockMotor(bool lock) {
  586. if (_gFOC_Ctrl.in.b_motLock != lock) {
  587. motor_encoder_lock_pos(lock);
  588. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  589. _gFOC_Ctrl.in.b_motLock = lock;
  590. }
  591. }
  592. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  593. }
  594. void PMSM_FOC_SetErrCode(u8 error) {
  595. if (_gFOC_Ctrl.out.n_Error != error) {
  596. _gFOC_Ctrl.out.n_Error = error;
  597. }
  598. }
  599. u8 PMSM_FOC_GetErrCode(void) {
  600. return _gFOC_Ctrl.out.n_Error;
  601. }
  602. void PMSM_FOC_SetCriticalError(u8 err) {
  603. _gFOC_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  604. }
  605. void PMSM_FOC_ClrCriticalError(u8 err) {
  606. _gFOC_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  607. }
  608. u32 PMSM_FOC_GetCriticalError(void) {
  609. return _gFOC_Ctrl.out.n_CritiCalErrMask;
  610. }
  611. //获取母线电流
  612. float PMSM_FOC_Calc_iDC(void) {
  613. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  614. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  615. #ifdef NO_SAMPLE_IDC
  616. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  617. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  618. #endif
  619. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  620. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  621. /*
  622. 根据公式(等幅值变换,功率不等):
  623. iDC x vDC = 2/3(iq x vq + id x vd);
  624. */
  625. float m_pow = (vd * id + vq * iq); //s32q10
  626. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5
  627. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  628. return _gFOC_Ctrl.out.s_FilteriDC;
  629. }
  630. void PMSM_FOC_Brake(bool brake) {
  631. _gFOC_Ctrl.in.b_eBrake = brake;
  632. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  633. _gFOC_Ctrl.in.b_cruiseEna = false;
  634. }
  635. eCtrl_brake_signal(brake);
  636. }