PMSM_FOC_Core.c 20 KB

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  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "PMSM_FOC_Params.h"
  4. #include "foc/core/e_ctrl.h"
  5. #include "math/fix_math.h"
  6. #include "math/fast_math.h"
  7. #include "foc/motor/current.h"
  8. #include "foc/motor/motor.h"
  9. #include "foc/core/svpwm.h"
  10. #include "foc/core/torque.h"
  11. #include "foc/samples.h"
  12. #include "app/nv_storage.h"
  13. #include "bsp/pwm.h"
  14. #include "libs/logger.h"
  15. #include "math/fir.h"
  16. PMSM_FOC_Ctrl _gFOC_Ctrl;
  17. static Fir_t phase1, phase2;
  18. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  19. float c,s;
  20. SinCos_Lut(angle, &s, &c);
  21. alpha_beta->a = dq->d * c - dq->q * s;
  22. alpha_beta->b = dq->d * s + dq->q * c;
  23. }
  24. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  25. alpha_beta->a = A;
  26. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  27. }
  28. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  29. float c,s;
  30. SinCos_Lut(angle, &s, &c);
  31. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  32. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  33. }
  34. #define VD_PRIO_HIGH
  35. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  36. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  37. float vDC_m = vDC * module;
  38. float sq_vDC = vDC_m * vDC_m;
  39. if (sq_vdq > sq_vDC) {
  40. #ifdef VD_PRIO_HIGH
  41. out->d = vdq->d;
  42. out->q = sqrtf(sq_vDC - out->d*out->d);
  43. return 1.1f;
  44. #else
  45. float r = sqrtf(sq_vDC / sq_vdq);
  46. out->d = vdq->d * r;
  47. out->q = vdq->q * r;
  48. return r;
  49. #endif
  50. }
  51. out->d = vdq->d;
  52. out->q = vdq->q;
  53. return 1.0f; // s16q5 32 means int 1
  54. }
  55. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  56. float cp = c->s_Cp;
  57. c->s_FinalTgt = target;
  58. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  59. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  60. if (c->s_FinalTgt - cp > 0) {
  61. c->s_Step = 0.001;
  62. }else if (c->s_FinalTgt - cp < 0){
  63. c->s_Step = -0.001;
  64. }
  65. }
  66. }
  67. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  68. if (++c->n_StepCount == c->n_CtrlCount) {
  69. c->s_Cp += c->s_Step;
  70. if (c->s_Step < 0) {
  71. if (c->s_Cp < c->s_FinalTgt) {
  72. c->s_Cp = c->s_FinalTgt;
  73. }
  74. }else {
  75. if (c->s_Cp > c->s_FinalTgt) {
  76. c->s_Cp = c->s_FinalTgt;
  77. }
  78. }
  79. c->n_StepCount = 0;
  80. }
  81. return c->s_Cp;
  82. }
  83. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  84. c->n_CtrlCount = count;
  85. c->n_StepCount = 0;
  86. c->s_Cp = 0;
  87. c->s_FinalTgt = 0;
  88. c->s_Step = 0;
  89. }
  90. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  91. FOC_Set_DqRamp(c, target, (/*IDQ_CTRL_TS/SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  92. }
  93. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  94. FOC_Set_DqRamp(c, target, (VDQ_RAMP_FINAL_TIME/VDQ_RAMP_TS));
  95. }
  96. static void PMSM_FOC_Reset_PID(void) {
  97. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_id, 0);
  98. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_iq, 0);
  99. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, 0);
  100. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_fw, 0);
  101. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, 0);
  102. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  103. }
  104. void PMSM_FOC_CoreInit(void) {
  105. Fir_init(&phase1);
  106. Fir_init(&phase2);
  107. _gFOC_Ctrl.pi_ctl_id = &PI_Ctrl_ID;
  108. _gFOC_Ctrl.pi_ctl_iq = &PI_Ctrl_IQ;
  109. _gFOC_Ctrl.pi_ctl_spd = &PI_Ctrl_Spd;
  110. _gFOC_Ctrl.pi_ctl_fw = &PI_Ctrl_fw;
  111. _gFOC_Ctrl.pi_ctl_trq = &PI_Ctrl_trq;
  112. _gFOC_Ctrl.pi_ctl_lock = &PI_Ctrl_lock;
  113. memset(&_gFOC_Ctrl.in, 0, sizeof(_gFOC_Ctrl.in));
  114. memset(&_gFOC_Ctrl.out, 0, sizeof(_gFOC_Ctrl.out));
  115. _gFOC_Ctrl.params.s_maxiDC = nv_get_foc_params()->s_maxiDC;//(MAX_iDQ);
  116. _gFOC_Ctrl.params.s_maxRPM = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  117. _gFOC_Ctrl.params.s_maxTorque = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  118. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  119. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  120. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  121. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  122. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  123. _gFOC_Ctrl.params.s_maxIdq = nv_get_foc_params()->s_maxIdq;//MAX_iDQ;
  124. _gFOC_Ctrl.params.s_minIdq = nv_get_foc_params()->s_minIdq;//-MAX_iDQ;
  125. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  126. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  127. _gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  128. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  129. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  130. _gFOC_Ctrl.out.f_vdqRation = 0;
  131. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  132. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  133. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  134. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  135. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  136. PMSM_FOC_Reset_PID();
  137. }
  138. //#define PHASE_LFP_FIR
  139. #define PHASE_LFP
  140. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  141. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  142. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  143. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  144. }else {
  145. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  146. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  147. }
  148. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed() / _gFOC_Ctrl.params.n_poles;
  149. _gFOC_Ctrl.in.s_vDC = get_vbus_float();
  150. //sample current
  151. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  152. #ifdef PHASE_LFP
  153. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  154. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  155. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  156. #elif defined PHASE_LFP_FIR
  157. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  158. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  159. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  160. #endif
  161. }
  162. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  163. /* update id pi ctrl */
  164. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  165. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  166. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  167. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  168. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  169. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  170. }
  171. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  172. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  173. }
  174. /* update iq pi ctrl */
  175. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  176. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  177. }
  178. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  179. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  180. }
  181. }
  182. extern int jtag_plot;
  183. float encoder_last_offset(void);
  184. static __INLINE void PMSM_FOC_Plot_Debug(void) {
  185. if (_gFOC_Ctrl.ctrl_count % 8 == 0) {
  186. //plot_1data16(_gFOC_Ctrl.out.test_sample);
  187. //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC()));
  188. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  189. //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  190. //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque));
  191. //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle));
  192. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q));
  193. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  194. if (jtag_plot == 2) {
  195. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  196. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  197. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  198. //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]);
  199. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  200. plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float()));
  201. }
  202. //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle));
  203. //plot_1data16(_gFOC_Ctrl.in.s_motRPM);
  204. }
  205. }
  206. void PMSM_FOC_Schedule(void) {
  207. AB_t vAB;
  208. #ifdef PHASE_LFP
  209. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  210. #elif defined PHASE_LFP_FIR
  211. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  212. #else
  213. float *iabc = _gFOC_Ctrl.in.s_iABC;
  214. #endif
  215. _gFOC_Ctrl.ctrl_count++;
  216. PMSM_FOC_Update_Hardware();
  217. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  218. PMSM_FOC_Update_PI_Idq();
  219. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  220. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  221. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  222. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  223. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  224. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  225. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  226. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  227. _gFOC_Ctrl.out.test_targetIQ = target_q;
  228. }else {
  229. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  230. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  231. }
  232. _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);
  233. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  234. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  235. phase_current_point(&_gFOC_Ctrl.out);
  236. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  237. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  238. #ifdef NO_SAMPLE_IDC
  239. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  240. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  241. #endif
  242. PMSM_FOC_Plot_Debug();
  243. }
  244. void PMSM_FOC_LogDebug(void) {
  245. //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]);
  246. 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));
  247. sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  248. //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]));
  249. //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]);
  250. //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  251. }
  252. /*called in media task */
  253. u8 PMSM_FOC_CtrlMode(void) {
  254. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  255. if (!_gFOC_Ctrl.in.b_motEnable) {
  256. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  257. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  258. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  259. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  260. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  261. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  262. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  263. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  264. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  265. }else {
  266. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  267. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  268. }
  269. }
  270. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  271. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  272. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  273. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  274. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  275. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  276. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  277. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  278. }
  279. }
  280. return _gFOC_Ctrl.out.n_RunMode;
  281. }
  282. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  283. static __INLINE void PMSM_FOC_idq_Assign(void) {
  284. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  285. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  286. float s, c;
  287. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  288. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  289. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  290. }else {
  291. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  292. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  293. }
  294. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  295. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  296. }
  297. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  298. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  299. }
  300. /*called in media task */
  301. void PMSM_FOC_idqCalc(void) {
  302. if (_gFOC_Ctrl.in.b_motLock) {
  303. float vel_count = motor_encoder_get_vel_count();
  304. float errRef = 0 - vel_count;
  305. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  306. PMSM_FOC_idq_Assign();
  307. return;
  308. }
  309. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  310. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  311. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  312. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  313. _gFOC_Ctrl.in.s_targetCurrent = 0.0f;
  314. eCtrl_enable_eBrake(false);
  315. }
  316. }
  317. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  318. float refTorque = eCtrl_get_FinalTorque();
  319. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  320. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  321. if ((eCtrl_get_FinalTorque() <= 0.0001f) && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  322. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  323. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  324. }
  325. float errRef = _gFOC_Ctrl.params.s_maxRPM - _gFOC_Ctrl.in.s_motRPM;
  326. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  327. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  328. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.params.s_maxIdq;
  329. _gFOC_Ctrl.pi_ctl_spd->min = _gFOC_Ctrl.params.s_minIdq;
  330. float refSpeed = eCtrl_get_RefSpeed();
  331. if (_gFOC_Ctrl.in.b_cruiseEna) {
  332. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  333. }
  334. if ((eCtrl_get_FinalSpeed() == 0) && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  335. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  336. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  337. }
  338. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  339. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  340. }
  341. PMSM_FOC_idq_Assign();
  342. }
  343. void PMSM_FOC_Start(u8 nCtrlMode) {
  344. if (_gFOC_Ctrl.in.b_motEnable) {
  345. return;
  346. }
  347. PMSM_FOC_CoreInit();
  348. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  349. _gFOC_Ctrl.in.b_motEnable = true;
  350. }
  351. void PMSM_FOC_Stop(void) {
  352. if (!_gFOC_Ctrl.in.b_motEnable) {
  353. return;
  354. }
  355. PMSM_FOC_CoreInit();
  356. _gFOC_Ctrl.in.b_motEnable = false;
  357. }
  358. bool PMSM_FOC_Is_Start(void) {
  359. return _gFOC_Ctrl.in.b_motEnable;
  360. }
  361. void PMSM_FOC_iBusLimit(float ibusLimit) {
  362. _gFOC_Ctrl.params.s_maxiDC = (ibusLimit);
  363. }
  364. void PMSM_FOC_SpeedLimit(float speedLimit) {
  365. if (speedLimit > MAX_SPEED) {
  366. speedLimit = MAX_SPEED;
  367. }
  368. _gFOC_Ctrl.params.s_maxRPM = (speedLimit);
  369. }
  370. float PMSM_FOC_GetSpeedLimit(void) {
  371. return _gFOC_Ctrl.params.s_maxRPM;
  372. }
  373. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  374. if (torqueLimit > MAX_TORQUE) {
  375. torqueLimit = MAX_TORQUE;
  376. }
  377. _gFOC_Ctrl.params.s_maxTorque = torqueLimit;
  378. }
  379. float PMSM_FOC_GetTorqueLimit(void) {
  380. return _gFOC_Ctrl.params.s_maxTorque;
  381. }
  382. void PMSM_FOC_VbusVoltage(float vbusVol) {
  383. _gFOC_Ctrl.in.s_vDC = vbusVol;
  384. }
  385. void PMSM_FOC_SetCtrlMode(u8 mode) {
  386. _gFOC_Ctrl.in.n_ctlMode = mode;
  387. }
  388. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  389. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  390. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  391. }
  392. bool PMSM_FOC_EnableCruise(bool enable) {
  393. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  394. float motSpd = PMSM_FOC_GetSpeed();
  395. if (motSpd < MIN_CRUISE_RPM) { //
  396. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  397. return false;
  398. }
  399. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  400. _gFOC_Ctrl.in.b_cruiseEna = enable;
  401. }
  402. return true;
  403. }
  404. bool PMSM_FOC_Is_CruiseEnabled(void) {
  405. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  406. }
  407. bool PMSM_FOC_Set_Speed(float rpm) {
  408. if (_gFOC_Ctrl.in.b_cruiseEna) {
  409. return false;
  410. }
  411. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.params.s_maxRPM)*SIGN(rpm));
  412. return true;
  413. }
  414. bool PMSM_FOC_Set_epmMode(bool epm) {
  415. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  416. if (PMSM_FOC_GetSpeed() != 0.0f) {
  417. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  418. return false;
  419. }
  420. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  421. _gFOC_Ctrl.in.b_epmMode = epm;
  422. if (epm) {
  423. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  424. eCtrl_set_TgtSpeed(0);
  425. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  426. }else {
  427. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  428. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  429. }
  430. }
  431. return true;
  432. }
  433. bool PMSM_FOC_is_epmMode(void) {
  434. return _gFOC_Ctrl.in.b_epmMode;
  435. }
  436. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  437. if (!_gFOC_Ctrl.in.b_epmMode) {
  438. return false;
  439. }
  440. if (move) {
  441. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  442. return false;
  443. }
  444. _gFOC_Ctrl.in.epmDirection = dir;
  445. }else {
  446. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  447. }
  448. return true;
  449. }
  450. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  451. return _gFOC_Ctrl.in.epmDirection;
  452. }
  453. bool PMSM_FOC_Set_Current(float is) {
  454. eCtrl_set_TgtCurrent(is);
  455. return true;
  456. }
  457. bool PMSM_FOC_Set_Torque(float trq) {
  458. eCtrl_set_TgtTorque(trq);
  459. return true;
  460. }
  461. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  462. if (PMSM_FOC_Is_CruiseEnabled()) {
  463. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  464. return true;
  465. }
  466. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  467. return false;
  468. }
  469. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  470. if (enable) {
  471. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  472. _gFOC_Ctrl.in.s_manualAngle = 0;
  473. }else {
  474. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  475. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  476. }
  477. }
  478. void PMSM_FOC_Set_Angle(float angle) {
  479. _gFOC_Ctrl.in.s_manualAngle = (angle);
  480. }
  481. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  482. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  483. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  484. }
  485. float PMSM_FOC_GetSpeed(void) {
  486. return _gFOC_Ctrl.in.s_motRPM;
  487. }
  488. void PMSM_FOC_LockMotor(bool lock) {
  489. if (_gFOC_Ctrl.in.b_motLock != lock) {
  490. motor_encoder_lock_pos(lock);
  491. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  492. _gFOC_Ctrl.in.b_motLock = lock;
  493. }
  494. }
  495. void PMSM_FOC_SetSpdPid(float kp, float ki, float max, float min) {
  496. }
  497. void PMSM_FOC_SetIDPid(float kp, float ki, float max, float min) {
  498. }
  499. void PMSM_FOC_SetIQPid(float kp, float ki, float max, float min) {
  500. }
  501. void PMSM_FOC_SetTrqPid(float kp, float ki, float max, float min) {
  502. }
  503. void PMSM_FOC_SetFW_I(float kp, float ki, float max, float min) {
  504. }
  505. void PMSM_FOC_SetErrCode(u8 error) {
  506. if (_gFOC_Ctrl.out.n_Error != error) {
  507. _gFOC_Ctrl.out.n_Error = error;
  508. }
  509. }
  510. u8 PMSM_FOC_GetErrCode(void) {
  511. return _gFOC_Ctrl.out.n_Error;
  512. }
  513. //获取母线电流
  514. float PMSM_FOC_Get_iDC(void) {
  515. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  516. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  517. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  518. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  519. /*
  520. 根据公式(等幅值变换,功率不等):
  521. iDC x vDC = 2/3(iq x vq + id x vd);
  522. */
  523. float m_pow = (vd * id + vq * iq); //s32q10
  524. _gFOC_Ctrl.out.s_FilteriDC = m_pow / _gFOC_Ctrl.in.s_vDC / 0.667f; //s16q5
  525. return _gFOC_Ctrl.out.s_FilteriDC;
  526. }
  527. void PMSM_FOC_Brake(bool brake) {
  528. _gFOC_Ctrl.in.b_eBrake = brake;
  529. if (!_gFOC_Ctrl.in.b_motEnable) {
  530. return;
  531. }
  532. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  533. _gFOC_Ctrl.in.b_cruiseEna = false;
  534. }
  535. eCtrl_brake_signal(brake);
  536. }