PMSM_FOC_Core.c 22 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675
  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. void PMSM_FOC_CoreInit(void) {
  116. Fir_init(&phase1);
  117. Fir_init(&phase2);
  118. _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
  119. _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
  120. _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
  121. _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
  122. _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
  123. _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
  124. _gFOC_Ctrl.pi_ctl_power = &PI_Ctrl_Power;
  125. memset(&_gFOC_Ctrl.in, 0, sizeof(_gFOC_Ctrl.in));
  126. memset(&_gFOC_Ctrl.out, 0, sizeof(_gFOC_Ctrl.out));
  127. memset(&_gFOC_Ctrl.userLim, 0, sizeof(_gFOC_Ctrl.userLim));
  128. _gFOC_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  129. _gFOC_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  130. _gFOC_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  131. _gFOC_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  132. _gFOC_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_VBUS_VOLTAGE;
  133. _gFOC_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  134. _gFOC_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
  135. _gFOC_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  136. _gFOC_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  137. _gFOC_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
  138. _gFOC_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxvDC;
  139. _gFOC_Ctrl.userLim.s_vDCMinLim = _gFOC_Ctrl.userLim.s_vDCMaxLim / 3;
  140. _gFOC_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_maxBrkCurrent;
  141. _gFOC_Ctrl.userLim.s_PhaseeVoleBrkLim = _gFOC_Ctrl.hwLim.s_PhaseVolMax - 20;
  142. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  143. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  144. _gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  145. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  146. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  147. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  148. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  149. _gFOC_Ctrl.out.f_vdqRation = 0;
  150. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  151. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  152. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  153. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  154. PMSM_FOC_Reset_PID();
  155. }
  156. //#define PHASE_LFP_FIR
  157. #define PHASE_LFP
  158. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  159. AB_t vAB;
  160. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  161. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  162. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  163. }else {
  164. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  165. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  166. }
  167. SinCos_Lut(_gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.sin, &_gFOC_Ctrl.out.cos);
  168. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed() / _gFOC_Ctrl.params.n_poles;
  169. _gFOC_Ctrl.in.s_vDC = get_vbus_float();
  170. //sample current
  171. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  172. get_phase_vols(_gFOC_Ctrl.in.s_vABC);
  173. _gFOC_Ctrl.in.s_vABC[0] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  174. _gFOC_Ctrl.in.s_vABC[1] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  175. _gFOC_Ctrl.in.s_vABC[2] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  176. Clark(_gFOC_Ctrl.in.s_vABC[0], _gFOC_Ctrl.in.s_vABC[1], _gFOC_Ctrl.in.s_vABC[2], &vAB);
  177. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealVdq);
  178. #ifdef PHASE_LFP
  179. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  180. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  181. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  182. #elif defined PHASE_LFP_FIR
  183. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  184. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  185. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  186. #endif
  187. }
  188. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  189. /* update id pi ctrl */
  190. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  191. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  192. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  193. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  194. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  195. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  196. }
  197. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  198. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  199. }
  200. /* update iq pi ctrl */
  201. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  202. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  203. }
  204. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  205. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  206. }
  207. }
  208. extern int jtag_plot;
  209. float encoder_last_offset(void);
  210. static __INLINE void PMSM_FOC_Plot_Debug(void) {
  211. if (_gFOC_Ctrl.ctrl_count % 8 == 0) {
  212. //plot_1data16(_gFOC_Ctrl.out.test_sample);
  213. //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC()));
  214. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  215. //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  216. //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque));
  217. //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle));
  218. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q));
  219. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  220. //if (jtag_plot == 2) {
  221. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  222. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  223. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  224. //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]);
  225. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  226. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float()));
  227. plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_OutVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_RealVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_FilteriDC));
  228. //}
  229. //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle));
  230. //plot_1data16(_gFOC_Ctrl.in.s_motRPM);
  231. }
  232. }
  233. void PMSM_FOC_Schedule(void) {
  234. AB_t vAB;
  235. #ifdef PHASE_LFP
  236. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  237. #elif defined PHASE_LFP_FIR
  238. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  239. #else
  240. float *iabc = _gFOC_Ctrl.in.s_iABC;
  241. #endif
  242. _gFOC_Ctrl.ctrl_count++;
  243. PMSM_FOC_Update_Hardware();
  244. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  245. PMSM_FOC_Update_PI_Idq();
  246. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  247. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  248. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  249. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  250. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  251. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  252. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  253. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  254. _gFOC_Ctrl.out.test_targetIQ = target_q;
  255. }else {
  256. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  257. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  258. }
  259. _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);
  260. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  261. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  262. phase_current_point(&_gFOC_Ctrl.out);
  263. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  264. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  265. #ifdef NO_SAMPLE_IDC
  266. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  267. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  268. #endif
  269. PMSM_FOC_Plot_Debug();
  270. }
  271. void PMSM_FOC_LogDebug(void) {
  272. //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]);
  273. 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));
  274. sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  275. //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]));
  276. //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]);
  277. //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  278. }
  279. /*called in media task */
  280. u8 PMSM_FOC_CtrlMode(void) {
  281. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  282. if (!_gFOC_Ctrl.in.b_motEnable) {
  283. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  284. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  285. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  286. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  287. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  288. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  289. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  290. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  291. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  292. }else {
  293. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  294. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  295. }
  296. }
  297. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  298. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  299. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  300. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  301. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  302. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  303. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  304. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  305. }
  306. }
  307. return _gFOC_Ctrl.out.n_RunMode;
  308. }
  309. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  310. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  311. PI_Ctrl_Power.max = maxTrq;
  312. float errRef = _gFOC_Ctrl.userLim.s_iDCLim - _gFOC_Ctrl.out.s_FilteriDC;
  313. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  314. }
  315. static __INLINE void PMSM_FOC_idq_Assign(void) {
  316. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  317. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  318. float s, c;
  319. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  320. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  321. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  322. }else {
  323. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  324. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  325. }
  326. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  327. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  328. }
  329. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  330. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  331. }
  332. /*called in media task */
  333. void PMSM_FOC_idqCalc(void) {
  334. PMSM_FOC_Get_iDC();
  335. if (_gFOC_Ctrl.in.b_motLock) {
  336. float vel_count = motor_encoder_get_vel_count();
  337. float errRef = 0 - vel_count;
  338. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  339. PMSM_FOC_idq_Assign();
  340. return;
  341. }
  342. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  343. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  344. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  345. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  346. _gFOC_Ctrl.in.s_targetCurrent = 0;
  347. }
  348. }
  349. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  350. float refTorque = eCtrl_get_FinalTorque();
  351. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  352. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  353. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  354. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  355. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  356. }
  357. float errRef = _gFOC_Ctrl.userLim.s_motRPMLim - _gFOC_Ctrl.in.s_motRPM;
  358. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  359. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  360. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  361. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.userLim.s_PhaseCurrLim;
  362. _gFOC_Ctrl.pi_ctl_spd->min = -_gFOC_Ctrl.userLim.s_PhaseCurrLim;
  363. float refSpeed = eCtrl_get_RefSpeed();
  364. if (_gFOC_Ctrl.in.b_cruiseEna) {
  365. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  366. }
  367. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  368. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  369. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  370. }
  371. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  372. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  373. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  374. }
  375. PMSM_FOC_idq_Assign();
  376. }
  377. void PMSM_FOC_Start(u8 nCtrlMode) {
  378. if (_gFOC_Ctrl.in.b_motEnable) {
  379. return;
  380. }
  381. PMSM_FOC_CoreInit();
  382. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  383. _gFOC_Ctrl.in.b_motEnable = true;
  384. }
  385. void PMSM_FOC_Stop(void) {
  386. if (!_gFOC_Ctrl.in.b_motEnable) {
  387. return;
  388. }
  389. PMSM_FOC_CoreInit();
  390. _gFOC_Ctrl.in.b_motEnable = false;
  391. }
  392. bool PMSM_FOC_Is_Start(void) {
  393. return _gFOC_Ctrl.in.b_motEnable;
  394. }
  395. void PMSM_FOC_iBusLimit(float ibusLimit) {
  396. _gFOC_Ctrl.userLim.s_iDCLim = (ibusLimit);
  397. }
  398. void PMSM_FOC_SpeedLimit(float speedLimit) {
  399. if (speedLimit > _gFOC_Ctrl.hwLim.s_motRPMMax) {
  400. speedLimit = _gFOC_Ctrl.hwLim.s_motRPMMax;
  401. }
  402. _gFOC_Ctrl.userLim.s_motRPMLim = (speedLimit);
  403. }
  404. float PMSM_FOC_GetSpeedLimit(void) {
  405. return _gFOC_Ctrl.userLim.s_motRPMLim;
  406. }
  407. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  408. if (torqueLimit > _gFOC_Ctrl.hwLim.s_torqueMax) {
  409. torqueLimit = _gFOC_Ctrl.hwLim.s_torqueMax;
  410. }
  411. _gFOC_Ctrl.userLim.s_torqueLim = torqueLimit;
  412. }
  413. float PMSM_FOC_GetTorqueLimit(void) {
  414. return _gFOC_Ctrl.userLim.s_torqueLim;
  415. }
  416. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  417. _gFOC_Ctrl.userLim.s_iDCeBrkLim = curr;
  418. }
  419. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  420. return _gFOC_Ctrl.userLim.s_iDCeBrkLim ;
  421. }
  422. void PMSM_FOC_VbusVoltage(float vbusVol) {
  423. _gFOC_Ctrl.in.s_vDC = vbusVol;
  424. }
  425. void PMSM_FOC_SetCtrlMode(u8 mode) {
  426. _gFOC_Ctrl.in.n_ctlMode = mode;
  427. }
  428. u8 PMSM_FOC_GetCtrlMode(void) {
  429. return _gFOC_Ctrl.in.n_ctlMode;
  430. }
  431. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  432. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  433. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  434. }
  435. bool PMSM_FOC_EnableCruise(bool enable) {
  436. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  437. float motSpd = PMSM_FOC_GetSpeed();
  438. if (motSpd < MIN_CRUISE_RPM) { //
  439. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  440. return false;
  441. }
  442. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  443. _gFOC_Ctrl.in.b_cruiseEna = enable;
  444. }
  445. return true;
  446. }
  447. bool PMSM_FOC_Is_CruiseEnabled(void) {
  448. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  449. }
  450. bool PMSM_FOC_Set_Speed(float rpm) {
  451. if (_gFOC_Ctrl.in.b_cruiseEna) {
  452. return false;
  453. }
  454. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  455. return true;
  456. }
  457. bool PMSM_FOC_Set_epmMode(bool epm) {
  458. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  459. if (PMSM_FOC_GetSpeed() != 0.0f) {
  460. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  461. return false;
  462. }
  463. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  464. _gFOC_Ctrl.in.b_epmMode = epm;
  465. if (epm) {
  466. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  467. eCtrl_set_TgtSpeed(0);
  468. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  469. }else {
  470. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  471. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  472. }
  473. }
  474. return true;
  475. }
  476. bool PMSM_FOC_is_epmMode(void) {
  477. return _gFOC_Ctrl.in.b_epmMode;
  478. }
  479. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  480. if (!_gFOC_Ctrl.in.b_epmMode) {
  481. return false;
  482. }
  483. if (move) {
  484. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  485. return false;
  486. }
  487. _gFOC_Ctrl.in.epmDirection = dir;
  488. }else {
  489. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  490. }
  491. return true;
  492. }
  493. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  494. return _gFOC_Ctrl.in.epmDirection;
  495. }
  496. bool PMSM_FOC_Set_Current(float is) {
  497. eCtrl_set_TgtCurrent(is);
  498. return true;
  499. }
  500. bool PMSM_FOC_Set_Torque(float trq) {
  501. eCtrl_set_TgtTorque(trq);
  502. return true;
  503. }
  504. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  505. if (PMSM_FOC_Is_CruiseEnabled()) {
  506. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  507. return true;
  508. }
  509. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  510. return false;
  511. }
  512. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  513. if (enable) {
  514. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  515. _gFOC_Ctrl.in.s_manualAngle = 0;
  516. }else {
  517. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  518. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  519. }
  520. }
  521. void PMSM_FOC_Set_Angle(float angle) {
  522. _gFOC_Ctrl.in.s_manualAngle = (angle);
  523. }
  524. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  525. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  526. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  527. }
  528. float PMSM_FOC_GetSpeed(void) {
  529. return _gFOC_Ctrl.in.s_motRPM;
  530. }
  531. void PMSM_FOC_LockMotor(bool lock) {
  532. if (_gFOC_Ctrl.in.b_motLock != lock) {
  533. motor_encoder_lock_pos(lock);
  534. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  535. _gFOC_Ctrl.in.b_motLock = lock;
  536. }
  537. }
  538. void PMSM_FOC_SetSpdPid(float kp, float ki, float max, float min) {
  539. }
  540. void PMSM_FOC_SetIDPid(float kp, float ki, float max, float min) {
  541. }
  542. void PMSM_FOC_SetIQPid(float kp, float ki, float max, float min) {
  543. }
  544. void PMSM_FOC_SetTrqPid(float kp, float ki, float max, float min) {
  545. }
  546. void PMSM_FOC_SetFW_I(float kp, float ki, float max, float min) {
  547. }
  548. void PMSM_FOC_SetErrCode(u8 error) {
  549. if (_gFOC_Ctrl.out.n_Error != error) {
  550. _gFOC_Ctrl.out.n_Error = error;
  551. }
  552. }
  553. u8 PMSM_FOC_GetErrCode(void) {
  554. return _gFOC_Ctrl.out.n_Error;
  555. }
  556. //获取母线电流
  557. float PMSM_FOC_Get_iDC(void) {
  558. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  559. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  560. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  561. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  562. /*
  563. 根据公式(等幅值变换,功率不等):
  564. iDC x vDC = 2/3(iq x vq + id x vd);
  565. */
  566. float m_pow = (vd * id + vq * iq); //s32q10
  567. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5
  568. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  569. return _gFOC_Ctrl.out.s_FilteriDC;
  570. }
  571. void PMSM_FOC_Brake(bool brake) {
  572. _gFOC_Ctrl.in.b_eBrake = brake;
  573. if (!_gFOC_Ctrl.in.b_motEnable) {
  574. return;
  575. }
  576. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  577. _gFOC_Ctrl.in.b_cruiseEna = false;
  578. }
  579. eCtrl_brake_signal(brake);
  580. }