PMSM_FOC_Core.c 21 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. #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. _gFOC_Ctrl.params.s_maxiDC = nv_get_foc_params()->s_maxiDC;//(MAX_iDQ);
  128. _gFOC_Ctrl.params.s_maxRPM = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  129. _gFOC_Ctrl.params.s_maxTorque = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  130. _gFOC_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxvDC;//(MAX_vDC);
  131. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  132. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  133. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  134. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  135. _gFOC_Ctrl.params.s_maxIdq = nv_get_foc_params()->s_maxIdq;//MAX_iDQ;
  136. _gFOC_Ctrl.params.s_minIdq = nv_get_foc_params()->s_minIdq;//-MAX_iDQ;
  137. _gFOC_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  138. _gFOC_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  139. _gFOC_Ctrl.params.n_TrqVelLimGain = nv_get_foc_params()->n_TrqVelLimGain;
  140. _gFOC_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  141. _gFOC_Ctrl.in.s_LimitiDC = nv_get_foc_params()->s_LimitiDC;
  142. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  143. _gFOC_Ctrl.out.f_vdqRation = 0;
  144. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  145. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[0], 1);
  146. FOC_DqRamp_init(&_gFOC_Ctrl.idq_ctl[1], 1);
  147. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[0], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  148. FOC_DqRamp_init(&_gFOC_Ctrl.vdq_ctl[1], (IDQ_CTRL_TS/VDQ_RAMP_TS));
  149. PMSM_FOC_Reset_PID();
  150. }
  151. //#define PHASE_LFP_FIR
  152. #define PHASE_LFP
  153. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  154. AB_t vAB;
  155. if (!_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  156. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_manualAngle;
  157. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  158. }else {
  159. _gFOC_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  160. _gFOC_Ctrl.in.s_motAngle = _gFOC_Ctrl.in.s_hallAngle;
  161. }
  162. SinCos_Lut(_gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.sin, &_gFOC_Ctrl.out.cos);
  163. _gFOC_Ctrl.in.s_motRPM = motor_encoder_get_speed() / _gFOC_Ctrl.params.n_poles;
  164. _gFOC_Ctrl.in.s_vDC = get_vbus_float();
  165. //sample current
  166. phase_current_get(_gFOC_Ctrl.in.s_iABC);
  167. get_phase_vols(_gFOC_Ctrl.in.s_vABC);
  168. _gFOC_Ctrl.in.s_vABC[0] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  169. _gFOC_Ctrl.in.s_vABC[1] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  170. _gFOC_Ctrl.in.s_vABC[2] -= _gFOC_Ctrl.in.s_vDC/2.0f;
  171. Clark(_gFOC_Ctrl.in.s_vABC[0], _gFOC_Ctrl.in.s_vABC[1], _gFOC_Ctrl.in.s_vABC[2], &vAB);
  172. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealVdq);
  173. #ifdef PHASE_LFP
  174. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[0], _gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  175. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[1], _gFOC_Ctrl.in.s_iABC[1], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  176. LowPass_Filter(_gFOC_Ctrl.in.s_iABCFilter[2], _gFOC_Ctrl.in.s_iABC[2], _gFOC_Ctrl.params.n_PhaseFilterCeof);
  177. #elif defined PHASE_LFP_FIR
  178. _gFOC_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, _gFOC_Ctrl.in.s_iABC[1]);
  179. _gFOC_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, _gFOC_Ctrl.in.s_iABC[2]);
  180. _gFOC_Ctrl.in.s_iABCFilter[0] = -(_gFOC_Ctrl.in.s_iABCFilter[1] + _gFOC_Ctrl.in.s_iABCFilter[2]);
  181. #endif
  182. }
  183. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  184. /* update id pi ctrl */
  185. _gFOC_Ctrl.params.maxvDQ.d = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  186. _gFOC_Ctrl.params.minvDQ.d = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  187. _gFOC_Ctrl.params.maxvDQ.q = _gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  188. _gFOC_Ctrl.params.minvDQ.q = -_gFOC_Ctrl.in.s_vDC;//MAX_vDC;
  189. if (_gFOC_Ctrl.params.maxvDQ.d != _gFOC_Ctrl.pi_ctl_id->max) {
  190. _gFOC_Ctrl.pi_ctl_id->max = _gFOC_Ctrl.params.maxvDQ.d;
  191. }
  192. if (_gFOC_Ctrl.params.minvDQ.d != _gFOC_Ctrl.pi_ctl_id->min) {
  193. _gFOC_Ctrl.pi_ctl_id->min = _gFOC_Ctrl.params.minvDQ.d;
  194. }
  195. /* update iq pi ctrl */
  196. if (_gFOC_Ctrl.params.maxvDQ.q != _gFOC_Ctrl.pi_ctl_iq->max) {
  197. _gFOC_Ctrl.pi_ctl_iq->max = _gFOC_Ctrl.params.maxvDQ.q;
  198. }
  199. if (_gFOC_Ctrl.params.minvDQ.q != _gFOC_Ctrl.pi_ctl_iq->min) {
  200. _gFOC_Ctrl.pi_ctl_iq->min = _gFOC_Ctrl.params.minvDQ.q;
  201. }
  202. }
  203. extern int jtag_plot;
  204. float encoder_last_offset(void);
  205. static __INLINE void PMSM_FOC_Plot_Debug(void) {
  206. if (_gFOC_Ctrl.ctrl_count % 8 == 0) {
  207. //plot_1data16(_gFOC_Ctrl.out.test_sample);
  208. //plot_1data16(FtoS16x1000(PMSM_FOC_Get_iDC()));
  209. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  210. //plot_2data16(FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  211. //plot_2data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.in.s_targetTorque));
  212. //plot_2data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle), FtoS16(_gFOC_Ctrl.in.s_motAngle));
  213. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_OutVdq.q));
  214. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x1000(_gFOC_Ctrl.out.s_RealIdq.q));
  215. //if (jtag_plot == 2) {
  216. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.d), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  217. //plot_3data16(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  218. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_iABC[1]), FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  219. //plot_2data16(_gFOC_Ctrl.in.s_iABC[0], _gFOC_Ctrl.in.s_iABCFilter[0]);
  220. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, _gFOC_Ctrl.idq_ctl[1].s_Cp * 10, FtoS16x10(_gFOC_Ctrl.out.s_RealIdq.q));
  221. //plot_3data16(_gFOC_Ctrl.in.s_motRPM, FtoS16x10(_gFOC_Ctrl.in.s_vDC), FtoS16x10(get_throttle_float()));
  222. plot_3data16(FtoS16x10(_gFOC_Ctrl.out.s_OutVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_RealVdq.q), FtoS16x10(_gFOC_Ctrl.out.s_FilteriDC));
  223. //}
  224. //plot_1data16(FtoS16(_gFOC_Ctrl.in.s_hallAngle));
  225. //plot_1data16(_gFOC_Ctrl.in.s_motRPM);
  226. }
  227. }
  228. void PMSM_FOC_Schedule(void) {
  229. AB_t vAB;
  230. #ifdef PHASE_LFP
  231. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  232. #elif defined PHASE_LFP_FIR
  233. float *iabc = _gFOC_Ctrl.in.s_iABCFilter;
  234. #else
  235. float *iabc = _gFOC_Ctrl.in.s_iABC;
  236. #endif
  237. _gFOC_Ctrl.ctrl_count++;
  238. PMSM_FOC_Update_Hardware();
  239. if (_gFOC_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  240. PMSM_FOC_Update_PI_Idq();
  241. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  242. Park(&vAB, _gFOC_Ctrl.in.s_motAngle, &_gFOC_Ctrl.out.s_RealIdq);
  243. float target_d = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[0]);
  244. float err = target_d - _gFOC_Ctrl.out.s_RealIdq.d;
  245. _gFOC_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_id, err);
  246. float target_q = FOC_Get_DqRamp(&_gFOC_Ctrl.idq_ctl[1]);
  247. err = target_q - _gFOC_Ctrl.out.s_RealIdq.q;
  248. _gFOC_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(_gFOC_Ctrl.pi_ctl_iq, err);
  249. _gFOC_Ctrl.out.test_targetIQ = target_q;
  250. }else {
  251. _gFOC_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[0]);
  252. _gFOC_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&_gFOC_Ctrl.vdq_ctl[1]);
  253. }
  254. _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);
  255. RevPark(&_gFOC_Ctrl.out.s_OutVdq, _gFOC_Ctrl.in.s_motAngle, &vAB);
  256. SVM_Duty_Fix(&vAB, _gFOC_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &_gFOC_Ctrl.out);
  257. phase_current_point(&_gFOC_Ctrl.out);
  258. pwm_update_duty(_gFOC_Ctrl.out.n_Duty[0], _gFOC_Ctrl.out.n_Duty[1], _gFOC_Ctrl.out.n_Duty[2]);
  259. pwm_update_sample(_gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2, _gFOC_Ctrl.out.n_CPhases);
  260. #ifdef NO_SAMPLE_IDC
  261. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.d, _gFOC_Ctrl.out.s_RealIdq.d, 0.01f);
  262. LowPass_Filter(_gFOC_Ctrl.out.s_FilterIdq.q, _gFOC_Ctrl.out.s_RealIdq.q, 0.01f);
  263. #endif
  264. PMSM_FOC_Plot_Debug();
  265. }
  266. void PMSM_FOC_LogDebug(void) {
  267. //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]);
  268. 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));
  269. sys_debug("VBUS: %f, %d, %d\n", S16Q5toF(get_vbus_sfix5()), _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  270. //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]));
  271. //plot_1data16(_gFOC_Ctrl.in.s_iABC[0]);
  272. //sys_debug("sample %d, %d\n", _gFOC_Ctrl.out.n_Sample1, _gFOC_Ctrl.out.n_Sample2);
  273. }
  274. /*called in media task */
  275. u8 PMSM_FOC_CtrlMode(void) {
  276. u8 preMode = _gFOC_Ctrl.out.n_RunMode;
  277. if (!_gFOC_Ctrl.in.b_motEnable) {
  278. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  279. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  280. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  281. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || _gFOC_Ctrl.in.b_cruiseEna){
  282. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  283. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  284. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  285. }else if (_gFOC_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  286. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  287. }else {
  288. if (!_gFOC_Ctrl.in.b_cruiseEna) {
  289. _gFOC_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  290. }
  291. }
  292. if (preMode != _gFOC_Ctrl.out.n_RunMode) {
  293. if ((preMode == CTRL_MODE_SPD) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  294. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  295. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  296. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_spd, _gFOC_Ctrl.in.s_targetTorque);
  297. }else if ((preMode == CTRL_MODE_CURRENT) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  298. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_trq, _gFOC_Ctrl.in.s_targetTorque);
  299. }else if ((preMode == CTRL_MODE_TRQ) && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  300. }
  301. }
  302. return _gFOC_Ctrl.out.n_RunMode;
  303. }
  304. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  305. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  306. PI_Ctrl_Power.max = maxTrq;
  307. float errRef = _gFOC_Ctrl.in.s_LimitiDC - _gFOC_Ctrl.out.s_FilteriDC;
  308. return PI_Controller_run(_gFOC_Ctrl.pi_ctl_power, errRef);
  309. }
  310. static __INLINE void PMSM_FOC_idq_Assign(void) {
  311. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || _gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  312. if (_gFOC_Ctrl.in.b_MTPA_calibrate && (_gFOC_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  313. float s, c;
  314. normal_sincosf(degree_2_pi(_gFOC_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  315. _gFOC_Ctrl.in.s_targetIdq.d = _gFOC_Ctrl.in.s_targetCurrent * c;
  316. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent * s;
  317. }else {
  318. _gFOC_Ctrl.in.s_targetIdq.d = 0;
  319. _gFOC_Ctrl.in.s_targetIdq.q = _gFOC_Ctrl.in.s_targetCurrent;
  320. }
  321. }else if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  322. torque_get_idq(_gFOC_Ctrl.in.s_targetTorque, _gFOC_Ctrl.in.s_motRPM, &_gFOC_Ctrl.in.s_targetIdq);
  323. }
  324. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[0], _gFOC_Ctrl.in.s_targetIdq.d);
  325. FOC_Set_iDqRamp(&_gFOC_Ctrl.idq_ctl[1], _gFOC_Ctrl.in.s_targetIdq.q);
  326. }
  327. /*called in media task */
  328. void PMSM_FOC_idqCalc(void) {
  329. PMSM_FOC_Get_iDC();
  330. if (_gFOC_Ctrl.in.b_motLock) {
  331. float vel_count = motor_encoder_get_vel_count();
  332. float errRef = 0 - vel_count;
  333. _gFOC_Ctrl.in.s_targetTorque = PI_Controller_run(_gFOC_Ctrl.pi_ctl_lock ,errRef);
  334. PMSM_FOC_idq_Assign();
  335. return;
  336. }
  337. if ((_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  338. _gFOC_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  339. if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  340. if (eCtrl_get_FinalCurrent() < 0.0001f && _gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE) {
  341. _gFOC_Ctrl.in.s_targetCurrent = 0;
  342. }
  343. }
  344. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  345. float refTorque = eCtrl_get_FinalTorque();
  346. _gFOC_Ctrl.pi_ctl_trq->max = refTorque;
  347. _gFOC_Ctrl.pi_ctl_trq->min = -refTorque;
  348. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  349. _gFOC_Ctrl.pi_ctl_trq->max = 0;
  350. _gFOC_Ctrl.pi_ctl_trq->min = 0; //防止倒转
  351. }
  352. float errRef = _gFOC_Ctrl.params.s_maxRPM - _gFOC_Ctrl.in.s_motRPM;
  353. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_trq, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  354. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  355. }else if (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  356. _gFOC_Ctrl.pi_ctl_spd->max = _gFOC_Ctrl.params.s_maxIdq;
  357. _gFOC_Ctrl.pi_ctl_spd->min = _gFOC_Ctrl.params.s_minIdq;
  358. float refSpeed = eCtrl_get_RefSpeed();
  359. if (_gFOC_Ctrl.in.b_cruiseEna) {
  360. refSpeed = _gFOC_Ctrl.in.s_cruiseRPM;
  361. }
  362. if ((eCtrl_get_FinalSpeed() == 0) && (_gFOC_Ctrl.in.s_motRPM < MIN_RPM_EXIT_EBRAKE)) {
  363. _gFOC_Ctrl.pi_ctl_spd->max = 0;
  364. _gFOC_Ctrl.pi_ctl_spd->min = 0; //防止倒转
  365. }
  366. float errRef = refSpeed - _gFOC_Ctrl.in.s_motRPM;
  367. float maxTrq = PI_Controller_RunSat(_gFOC_Ctrl.pi_ctl_spd, errRef, _gFOC_Ctrl.params.n_TrqVelLimGain);
  368. _gFOC_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  369. }
  370. PMSM_FOC_idq_Assign();
  371. }
  372. void PMSM_FOC_Start(u8 nCtrlMode) {
  373. if (_gFOC_Ctrl.in.b_motEnable) {
  374. return;
  375. }
  376. PMSM_FOC_CoreInit();
  377. _gFOC_Ctrl.in.n_ctlMode = nCtrlMode;
  378. _gFOC_Ctrl.in.b_motEnable = true;
  379. }
  380. void PMSM_FOC_Stop(void) {
  381. if (!_gFOC_Ctrl.in.b_motEnable) {
  382. return;
  383. }
  384. PMSM_FOC_CoreInit();
  385. _gFOC_Ctrl.in.b_motEnable = false;
  386. }
  387. bool PMSM_FOC_Is_Start(void) {
  388. return _gFOC_Ctrl.in.b_motEnable;
  389. }
  390. void PMSM_FOC_iBusLimit(float ibusLimit) {
  391. _gFOC_Ctrl.params.s_maxiDC = (ibusLimit);
  392. }
  393. void PMSM_FOC_SpeedLimit(float speedLimit) {
  394. if (speedLimit > MAX_SPEED) {
  395. speedLimit = MAX_SPEED;
  396. }
  397. _gFOC_Ctrl.params.s_maxRPM = (speedLimit);
  398. }
  399. float PMSM_FOC_GetSpeedLimit(void) {
  400. return _gFOC_Ctrl.params.s_maxRPM;
  401. }
  402. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  403. if (torqueLimit > MAX_TORQUE) {
  404. torqueLimit = MAX_TORQUE;
  405. }
  406. _gFOC_Ctrl.params.s_maxTorque = torqueLimit;
  407. }
  408. float PMSM_FOC_GetTorqueLimit(void) {
  409. return _gFOC_Ctrl.params.s_maxTorque;
  410. }
  411. void PMSM_FOC_VbusVoltage(float vbusVol) {
  412. _gFOC_Ctrl.in.s_vDC = vbusVol;
  413. }
  414. void PMSM_FOC_SetCtrlMode(u8 mode) {
  415. _gFOC_Ctrl.in.n_ctlMode = mode;
  416. }
  417. u8 PMSM_FOC_GetCtrlMode(void) {
  418. return _gFOC_Ctrl.in.n_ctlMode;
  419. }
  420. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  421. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[0], vd);
  422. FOC_Set_vDqRamp(&_gFOC_Ctrl.vdq_ctl[1], vq);
  423. }
  424. bool PMSM_FOC_EnableCruise(bool enable) {
  425. if (enable != _gFOC_Ctrl.in.b_cruiseEna) {
  426. float motSpd = PMSM_FOC_GetSpeed();
  427. if (motSpd < MIN_CRUISE_RPM) { //
  428. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  429. return false;
  430. }
  431. _gFOC_Ctrl.in.s_cruiseRPM = motSpd;
  432. _gFOC_Ctrl.in.b_cruiseEna = enable;
  433. }
  434. return true;
  435. }
  436. bool PMSM_FOC_Is_CruiseEnabled(void) {
  437. return (_gFOC_Ctrl.in.b_cruiseEna && (_gFOC_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  438. }
  439. bool PMSM_FOC_Set_Speed(float rpm) {
  440. if (_gFOC_Ctrl.in.b_cruiseEna) {
  441. return false;
  442. }
  443. eCtrl_set_TgtSpeed(min(ABS(rpm), _gFOC_Ctrl.params.s_maxRPM)*SIGN(rpm));
  444. return true;
  445. }
  446. bool PMSM_FOC_Set_epmMode(bool epm) {
  447. if (_gFOC_Ctrl.in.b_epmMode != epm) {
  448. if (PMSM_FOC_GetSpeed() != 0.0f) {
  449. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  450. return false;
  451. }
  452. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  453. _gFOC_Ctrl.in.b_epmMode = epm;
  454. if (epm) {
  455. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  456. eCtrl_set_TgtSpeed(0);
  457. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  458. }else {
  459. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  460. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  461. }
  462. }
  463. return true;
  464. }
  465. bool PMSM_FOC_is_epmMode(void) {
  466. return _gFOC_Ctrl.in.b_epmMode;
  467. }
  468. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  469. if (!_gFOC_Ctrl.in.b_epmMode) {
  470. return false;
  471. }
  472. if (move) {
  473. if (_gFOC_Ctrl.in.epmDirection != EPM_Dir_None) {
  474. return false;
  475. }
  476. _gFOC_Ctrl.in.epmDirection = dir;
  477. }else {
  478. _gFOC_Ctrl.in.epmDirection = EPM_Dir_None;
  479. }
  480. return true;
  481. }
  482. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  483. return _gFOC_Ctrl.in.epmDirection;
  484. }
  485. bool PMSM_FOC_Set_Current(float is) {
  486. eCtrl_set_TgtCurrent(is);
  487. return true;
  488. }
  489. bool PMSM_FOC_Set_Torque(float trq) {
  490. eCtrl_set_TgtTorque(trq);
  491. return true;
  492. }
  493. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  494. if (PMSM_FOC_Is_CruiseEnabled()) {
  495. _gFOC_Ctrl.in.s_cruiseRPM = rpm;
  496. return true;
  497. }
  498. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  499. return false;
  500. }
  501. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  502. if (enable) {
  503. _gFOC_Ctrl.in.b_MTPA_calibrate = true;
  504. _gFOC_Ctrl.in.s_manualAngle = 0;
  505. }else {
  506. _gFOC_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  507. _gFOC_Ctrl.in.b_MTPA_calibrate = false;
  508. }
  509. }
  510. void PMSM_FOC_Set_Angle(float angle) {
  511. _gFOC_Ctrl.in.s_manualAngle = (angle);
  512. }
  513. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  514. dq->d = _gFOC_Ctrl.in.s_targetIdq.d;
  515. dq->q = _gFOC_Ctrl.in.s_targetIdq.q;
  516. }
  517. float PMSM_FOC_GetSpeed(void) {
  518. return _gFOC_Ctrl.in.s_motRPM;
  519. }
  520. void PMSM_FOC_LockMotor(bool lock) {
  521. if (_gFOC_Ctrl.in.b_motLock != lock) {
  522. motor_encoder_lock_pos(lock);
  523. PI_Controller_Reset(_gFOC_Ctrl.pi_ctl_lock, 0);
  524. _gFOC_Ctrl.in.b_motLock = lock;
  525. }
  526. }
  527. void PMSM_FOC_SetSpdPid(float kp, float ki, float max, float min) {
  528. }
  529. void PMSM_FOC_SetIDPid(float kp, float ki, float max, float min) {
  530. }
  531. void PMSM_FOC_SetIQPid(float kp, float ki, float max, float min) {
  532. }
  533. void PMSM_FOC_SetTrqPid(float kp, float ki, float max, float min) {
  534. }
  535. void PMSM_FOC_SetFW_I(float kp, float ki, float max, float min) {
  536. }
  537. void PMSM_FOC_SetErrCode(u8 error) {
  538. if (_gFOC_Ctrl.out.n_Error != error) {
  539. _gFOC_Ctrl.out.n_Error = error;
  540. }
  541. }
  542. u8 PMSM_FOC_GetErrCode(void) {
  543. return _gFOC_Ctrl.out.n_Error;
  544. }
  545. //获取母线电流
  546. float PMSM_FOC_Get_iDC(void) {
  547. float vd = _gFOC_Ctrl.out.s_OutVdq.d;
  548. float vq = _gFOC_Ctrl.out.s_OutVdq.q;
  549. float id = _gFOC_Ctrl.out.s_FilterIdq.d;
  550. float iq = _gFOC_Ctrl.out.s_FilterIdq.q;
  551. /*
  552. 根据公式(等幅值变换,功率不等):
  553. iDC x vDC = 2/3(iq x vq + id x vd);
  554. */
  555. float m_pow = (vd * id + vq * iq); //s32q10
  556. float raw_idc = m_pow / _gFOC_Ctrl.in.s_vDC * 1.5f; //s16q5
  557. LowPass_Filter(_gFOC_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  558. return _gFOC_Ctrl.out.s_FilteriDC;
  559. }
  560. void PMSM_FOC_Brake(bool brake) {
  561. _gFOC_Ctrl.in.b_eBrake = brake;
  562. if (!_gFOC_Ctrl.in.b_motEnable) {
  563. return;
  564. }
  565. if (_gFOC_Ctrl.in.b_eBrake & _gFOC_Ctrl.in.b_cruiseEna) {
  566. _gFOC_Ctrl.in.b_cruiseEna = false;
  567. }
  568. eCtrl_brake_signal(brake);
  569. }