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