PMSM_FOC_Core.c 25 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 bool g_focinit = false;
  19. static u32 PMSM_FOC_Debug_Task(void *p);
  20. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  21. float c,s;
  22. #if 0
  23. SinCos_Lut(angle, &s, &c);
  24. #else
  25. s = gFoc_Ctrl.out.sin;
  26. c = gFoc_Ctrl.out.cos;
  27. #endif
  28. alpha_beta->a = dq->d * c - dq->q * s;
  29. alpha_beta->b = dq->d * s + dq->q * c;
  30. }
  31. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  32. alpha_beta->a = A;
  33. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  34. }
  35. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  36. float c,s;
  37. #if 0
  38. SinCos_Lut(angle, &s, &c);
  39. #else
  40. s = gFoc_Ctrl.out.sin;
  41. c = gFoc_Ctrl.out.cos;
  42. #endif
  43. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  44. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  45. }
  46. #define VD_PRIO_HIGH
  47. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  48. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  49. float vDC_m = vDC * module;
  50. float sq_vDC = vDC_m * vDC_m;
  51. if (sq_vdq > sq_vDC) {
  52. #ifdef VD_PRIO_HIGH
  53. out->d = vdq->d;
  54. out->q = sqrtf(sq_vDC - out->d*out->d);
  55. return 1.1f;
  56. #else
  57. float r = sqrtf(sq_vDC / sq_vdq);
  58. out->d = vdq->d * r;
  59. out->q = vdq->q * r;
  60. return r;
  61. #endif
  62. }
  63. out->d = vdq->d;
  64. out->q = vdq->q;
  65. return 1.0f; // s16q5 32 means int 1
  66. }
  67. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  68. float cp = c->s_Cp;
  69. c->s_FinalTgt = target;
  70. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  71. if ((c->s_Step == 0) && ((c->s_FinalTgt - cp) != 0.0f)) {
  72. if (c->s_FinalTgt - cp > 0) {
  73. c->s_Step = 0.001;
  74. }else if (c->s_FinalTgt - cp < 0){
  75. c->s_Step = -0.001;
  76. }
  77. }
  78. }
  79. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  80. if (++c->n_StepCount == c->n_CtrlCount) {
  81. c->s_Cp += c->s_Step;
  82. if (c->s_Step < 0) {
  83. if (c->s_Cp < c->s_FinalTgt) {
  84. c->s_Cp = c->s_FinalTgt;
  85. }
  86. }else {
  87. if (c->s_Cp > c->s_FinalTgt) {
  88. c->s_Cp = c->s_FinalTgt;
  89. }
  90. }
  91. c->n_StepCount = 0;
  92. }
  93. return c->s_Cp;
  94. }
  95. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  96. c->n_CtrlCount = count;
  97. c->n_StepCount = 0;
  98. c->s_Cp = 0;
  99. c->s_FinalTgt = 0;
  100. c->s_Step = 0;
  101. }
  102. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  103. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  104. }
  105. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  106. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  107. }
  108. static void PMSM_FOC_Reset_PID(void) {
  109. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  110. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  111. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  112. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  113. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  114. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  115. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  116. }
  117. static void PMSM_FOC_Conf_PID(void) {
  118. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  119. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  120. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  121. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  122. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  123. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  124. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  125. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  126. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  127. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  128. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  129. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  130. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  131. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  132. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  133. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  134. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  135. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  136. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  137. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  138. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  139. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  140. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  141. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  142. }
  143. static void PMSM_FOC_UserInit(void) {
  144. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  145. gFoc_Ctrl.userLim.s_iDCLim = nv_get_foc_params()->s_maxiDC;
  146. gFoc_Ctrl.userLim.s_motRPMLim = nv_get_foc_params()->s_maxRPM;//(MAX_SPEED);
  147. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  148. gFoc_Ctrl.userLim.s_PhaseCurrLim = nv_get_foc_params()->s_PhaseCurrLim;
  149. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  150. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  151. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  152. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  153. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  154. eRamp_init_target(&gFoc_Ctrl.userLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim);
  155. eRamp_init_target(&gFoc_Ctrl.userLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  156. }
  157. void PMSM_FOC_CoreInit(void) {
  158. Fir_init(&phase1);
  159. Fir_init(&phase2);
  160. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  161. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  162. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  163. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  164. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  165. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  166. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  167. PMSM_FOC_Conf_PID();
  168. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  169. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  170. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  171. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  172. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  173. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  174. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  175. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  176. if (!g_focinit) {
  177. PMSM_FOC_UserInit();
  178. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  179. g_focinit = true;
  180. }
  181. gFoc_Ctrl.params.n_modulation = nv_get_foc_params()->n_modulation;//SVM_Modulation;
  182. gFoc_Ctrl.params.n_PhaseFilterCeof = nv_get_foc_params()->n_PhaseFilterCeof;//(0.2f);
  183. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  184. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  185. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  186. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  187. gFoc_Ctrl.out.f_vdqRation = 0;
  188. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  189. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  190. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  191. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  192. PMSM_FOC_Reset_PID();
  193. }
  194. //#define PHASE_LFP_FIR
  195. #define PHASE_LFP
  196. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  197. AB_t vAB;
  198. #ifdef PHASE_LFP
  199. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  200. #elif defined PHASE_LFP_FIR
  201. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  202. #else
  203. float *iabc = gFoc_Ctrl.in.s_iABC;
  204. #endif
  205. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  206. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  207. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  208. }else {
  209. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  210. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  211. }
  212. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  213. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  214. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  215. //sample current
  216. phase_current_get(gFoc_Ctrl.in.s_iABC);
  217. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  218. gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
  219. gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
  220. gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
  221. Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
  222. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
  223. #ifdef PHASE_LFP
  224. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  225. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  226. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  227. #elif defined PHASE_LFP_FIR
  228. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  229. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  230. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  231. #endif
  232. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  233. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  234. }
  235. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  236. /* update id pi ctrl */
  237. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  238. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  239. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  240. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC;//CONFIG_RATED_DC_VOL;
  241. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  242. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  243. }
  244. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  245. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  246. }
  247. /* update iq pi ctrl */
  248. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  249. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  250. }
  251. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  252. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  253. }
  254. }
  255. static u32 PMSM_FOC_Debug_Task(void *p) {
  256. if (gFoc_Ctrl.in.b_motEnable) {
  257. //plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[0]), FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[1]), FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[2]));
  258. plot_3data16(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  259. //plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_FinalTgt));
  260. //plot_3data16( gFoc_Ctrl.in.s_motRPM, speed_td.target, speed_td.diff);
  261. }
  262. return 1;
  263. }
  264. void PMSM_FOC_Schedule(void) {
  265. AB_t vAB;
  266. gFoc_Ctrl.ctrl_count++;
  267. PMSM_FOC_Update_Hardware();
  268. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  269. PMSM_FOC_Update_PI_Idq();
  270. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  271. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  272. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  273. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  274. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  275. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  276. gFoc_Ctrl.out.test_targetIQ = target_q;
  277. }else {
  278. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  279. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  280. }
  281. gFoc_Ctrl.out.f_vdqRation = Circle_Limitation(&gFoc_Ctrl.in.s_targetVdq, gFoc_Ctrl.in.s_vDC, gFoc_Ctrl.params.n_modulation, &gFoc_Ctrl.out.s_OutVdq);
  282. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
  283. SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  284. phase_current_point(&gFoc_Ctrl.out);
  285. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  286. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  287. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  288. //plot_3data16(FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[0]), FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[1]), FtoS16x10(gFoc_Ctrl.in.s_iABCFilter[2]));
  289. //plot_3data16((s16)gFoc_Ctrl.out.s_RealIdq.d, (s16)gFoc_Ctrl.out.s_RealIdq.q, (s16)gFoc_Ctrl.idq_ctl[1].s_Cp);
  290. }
  291. }
  292. void PMSM_FOC_LogDebug(void) {
  293. }
  294. /*called in media task */
  295. u8 PMSM_FOC_CtrlMode(void) {
  296. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  297. if (!gFoc_Ctrl.in.b_motEnable) {
  298. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  299. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  300. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  301. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  302. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  303. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  304. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  305. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  306. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  307. }else {
  308. if (!gFoc_Ctrl.in.b_cruiseEna) {
  309. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  310. }
  311. }
  312. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  313. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  314. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  315. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  316. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  317. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  318. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  319. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT)) {
  320. }
  321. }
  322. return gFoc_Ctrl.out.n_RunMode;
  323. }
  324. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  325. static __INLINE float PMSM_FOC_Limit_Power(float maxTrq) {
  326. #if 0
  327. PI_Ctrl_Power.max = maxTrq;
  328. float errRef = gFoc_Ctrl.userLim.s_iDCLim - gFoc_Ctrl.out.s_FilteriDC;
  329. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  330. #else
  331. return maxTrq;
  332. #endif
  333. }
  334. static __INLINE void PMSM_FOC_idq_Assign(void) {
  335. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  336. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  337. float s, c;
  338. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  339. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  340. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent * s;
  341. }else {
  342. gFoc_Ctrl.in.s_targetIdq.d = 0;
  343. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  344. }
  345. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  346. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  347. }
  348. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  349. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  350. }
  351. /*called in media task */
  352. void PMSM_FOC_idqCalc(void) {
  353. if (gFoc_Ctrl.in.b_motLock) {
  354. float vel_count = motor_encoder_get_vel_count();
  355. float errRef = 0 - vel_count;
  356. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  357. PMSM_FOC_idq_Assign();
  358. return;
  359. }
  360. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  361. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  362. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  363. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  364. gFoc_Ctrl.in.s_targetCurrent = 0;
  365. }
  366. }
  367. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  368. float refTorque = eCtrl_get_FinalTorque();
  369. gFoc_Ctrl.pi_torque->max = refTorque;
  370. gFoc_Ctrl.pi_torque->min = -gFoc_Ctrl.userLim.s_PhaseCurreBrkLim;
  371. if ((eCtrl_get_FinalTorque() <= 0.0001f) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  372. gFoc_Ctrl.pi_torque->max = 0;
  373. gFoc_Ctrl.pi_torque->min = 0; //防止倒转
  374. }
  375. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.userLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  376. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  377. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  378. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  379. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.userLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  380. gFoc_Ctrl.pi_speed->min = 0;//-gFoc_Ctrl.userLim.s_PhaseCurrLim;
  381. float refSpeed = eCtrl_get_RefSpeed();
  382. if (gFoc_Ctrl.in.b_cruiseEna) {
  383. refSpeed = gFoc_Ctrl.in.s_cruiseRPM;
  384. }else {
  385. if ((eCtrl_get_FinalSpeed() == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  386. gFoc_Ctrl.pi_speed->max = 0;
  387. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  388. }
  389. }
  390. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  391. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  392. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  393. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_Power(maxTrq);
  394. }
  395. PMSM_FOC_idq_Assign();
  396. }
  397. void PMSM_FOC_Slow_Task(void) {
  398. eRamp_running(&gFoc_Ctrl.userLim.phaseCurrLimRamp);
  399. eRamp_running(&gFoc_Ctrl.userLim.rpmLimRamp);
  400. PMSM_FOC_idqCalc();
  401. }
  402. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  403. return &gFoc_Ctrl;
  404. }
  405. void PMSM_FOC_Start(u8 nCtrlMode) {
  406. if (gFoc_Ctrl.in.b_motEnable) {
  407. return;
  408. }
  409. PMSM_FOC_CoreInit();
  410. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  411. gFoc_Ctrl.in.b_motEnable = true;
  412. }
  413. void PMSM_FOC_Stop(void) {
  414. if (!gFoc_Ctrl.in.b_motEnable) {
  415. return;
  416. }
  417. PMSM_FOC_CoreInit();
  418. gFoc_Ctrl.in.b_motEnable = false;
  419. }
  420. bool PMSM_FOC_Is_Start(void) {
  421. return gFoc_Ctrl.in.b_motEnable;
  422. }
  423. void PMSM_FOC_iBusLimit(float ibusLimit) {
  424. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  425. }
  426. float PMSM_FOC_GetiBusLimit(void) {
  427. return gFoc_Ctrl.userLim.s_iDCLim;
  428. }
  429. void PMSM_FOC_SpeedLimit(float speedLimit) {
  430. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  431. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  432. }
  433. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  434. eRamp_set_step_target(&gFoc_Ctrl.userLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  435. }
  436. float PMSM_FOC_GetSpeedLimit(void) {
  437. return gFoc_Ctrl.userLim.s_motRPMLim;
  438. }
  439. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  440. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  441. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  442. }
  443. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  444. }
  445. float PMSM_FOC_GetTorqueLimit(void) {
  446. return gFoc_Ctrl.userLim.s_torqueLim;
  447. }
  448. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  449. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  450. }
  451. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  452. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  453. }
  454. float PMSM_FOC_GetVbusVoltage(void) {
  455. return gFoc_Ctrl.in.s_vDC;
  456. }
  457. float PMSM_FOC_GetVbusCurrent(void) {
  458. return gFoc_Ctrl.out.s_FilteriDC;
  459. }
  460. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  461. return &gFoc_Ctrl.out.s_RealIdq;
  462. }
  463. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  464. if (mode > CTRL_MODE_CURRENT_BRK) {
  465. PMSM_FOC_SetErrCode(FOC_Param_Err);
  466. return false;
  467. }
  468. gFoc_Ctrl.in.n_ctlMode = mode;
  469. return true;
  470. }
  471. void PMSM_FOC_GetRunningStatus(u8 *data) {
  472. data[0] = gFoc_Ctrl.in.n_ctlMode;
  473. data[0] |= gFoc_Ctrl.out.n_RunMode << 2;
  474. data[0] |= (gFoc_Ctrl.in.b_cruiseEna?1:0) << 4;
  475. data[0] |= (PMSM_FOC_Is_CruiseEnabled()?1:0) << 5;
  476. data[0] |= (PMSM_FOC_is_epmMode()?1:0) << 6;
  477. data[0] |= (0) << 7; //motor locked
  478. }
  479. u8 PMSM_FOC_GetCtrlMode(void) {
  480. return gFoc_Ctrl.in.n_ctlMode;
  481. }
  482. void PMSM_FOC_PhaseCurrLim(float lim) {
  483. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  484. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  485. }
  486. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  487. eRamp_set_step_target(&gFoc_Ctrl.userLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  488. }
  489. float PMSM_FOC_GetPhaseCurrLim(void) {
  490. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  491. }
  492. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  493. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  494. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  495. }
  496. bool PMSM_FOC_EnableCruise(bool enable) {
  497. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  498. float motSpd = PMSM_FOC_GetSpeed();
  499. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  500. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  501. return false;
  502. }
  503. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  504. gFoc_Ctrl.in.b_cruiseEna = enable;
  505. }
  506. return true;
  507. }
  508. bool PMSM_FOC_Is_CruiseEnabled(void) {
  509. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  510. }
  511. bool PMSM_FOC_Set_Speed(float rpm) {
  512. if (gFoc_Ctrl.in.b_cruiseEna) {
  513. return false;
  514. }
  515. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  516. return true;
  517. }
  518. bool PMSM_FOC_Set_epmMode(bool epm) {
  519. if (gFoc_Ctrl.in.b_epmMode != epm) {
  520. if (PMSM_FOC_GetSpeed() != 0.0f) {
  521. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  522. return false;
  523. }
  524. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  525. gFoc_Ctrl.in.b_epmMode = epm;
  526. if (epm) {
  527. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  528. eCtrl_set_TgtSpeed(0);
  529. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  530. }else {
  531. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  532. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  533. }
  534. }
  535. return true;
  536. }
  537. bool PMSM_FOC_is_epmMode(void) {
  538. return gFoc_Ctrl.in.b_epmMode;
  539. }
  540. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  541. if (!gFoc_Ctrl.in.b_epmMode) {
  542. return false;
  543. }
  544. if (move) {
  545. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  546. return false;
  547. }
  548. gFoc_Ctrl.in.epmDirection = dir;
  549. }else {
  550. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  551. }
  552. return true;
  553. }
  554. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  555. return gFoc_Ctrl.in.epmDirection;
  556. }
  557. bool PMSM_FOC_Set_Current(float is) {
  558. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  559. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  560. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  561. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  562. }
  563. eCtrl_set_TgtCurrent(is);
  564. return true;
  565. }
  566. bool PMSM_FOC_Set_Torque(float trq) {
  567. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  568. trq = gFoc_Ctrl.userLim.s_torqueLim;
  569. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  570. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  571. }
  572. eCtrl_set_TgtTorque(trq);
  573. return true;
  574. }
  575. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  576. if (PMSM_FOC_Is_CruiseEnabled()) {
  577. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  578. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  579. return false;
  580. }
  581. gFoc_Ctrl.in.s_cruiseRPM = rpm;
  582. return true;
  583. }
  584. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  585. return false;
  586. }
  587. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  588. if (enable) {
  589. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  590. gFoc_Ctrl.in.s_manualAngle = 0;
  591. }else {
  592. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  593. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  594. }
  595. }
  596. void PMSM_FOC_Set_Angle(float angle) {
  597. gFoc_Ctrl.in.s_manualAngle = (angle);
  598. }
  599. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  600. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  601. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  602. }
  603. float PMSM_FOC_GetSpeed(void) {
  604. return gFoc_Ctrl.in.s_motRPM;
  605. }
  606. void PMSM_FOC_LockMotor(bool lock) {
  607. if (gFoc_Ctrl.in.b_motLock != lock) {
  608. motor_encoder_lock_pos(lock);
  609. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  610. gFoc_Ctrl.in.b_motLock = lock;
  611. }
  612. }
  613. bool PMSM_FOC_MotorLocking(void) {
  614. return gFoc_Ctrl.in.b_motLock;
  615. }
  616. static PI_Controller *_pid(u8 id) {
  617. PI_Controller *pi = NULL;
  618. if (id == PID_D_id) {
  619. pi = gFoc_Ctrl.pi_id;
  620. }else if (id == PID_Q_id) {
  621. pi = gFoc_Ctrl.pi_iq;
  622. }else if (id == PID_TRQ_id) {
  623. pi = gFoc_Ctrl.pi_torque;
  624. }else if (id == PID_Spd_id) {
  625. pi = gFoc_Ctrl.pi_speed;
  626. }
  627. return pi;
  628. }
  629. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  630. if (id > PID_Max_id) {
  631. return;
  632. }
  633. PI_Controller *pi = _pid(id);
  634. if (pi != NULL) {
  635. pi->kp = kp;
  636. pi->ki = ki;
  637. pi->kb = kb;
  638. }
  639. }
  640. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  641. if (id > PID_Max_id) {
  642. return;
  643. }
  644. PI_Controller *pi = _pid(id);
  645. if (pi != NULL) {
  646. *kp = pi->kp;
  647. *ki = pi->ki;
  648. *kb = pi->kb;
  649. }
  650. }
  651. void PMSM_FOC_SetErrCode(u8 error) {
  652. if (gFoc_Ctrl.out.n_Error != error) {
  653. gFoc_Ctrl.out.n_Error = error;
  654. }
  655. }
  656. u8 PMSM_FOC_GetErrCode(void) {
  657. return gFoc_Ctrl.out.n_Error;
  658. }
  659. void PMSM_FOC_SetCriticalError(u8 err) {
  660. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  661. }
  662. void PMSM_FOC_ClrCriticalError(u8 err) {
  663. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  664. }
  665. u32 PMSM_FOC_GetCriticalError(void) {
  666. return gFoc_Ctrl.out.n_CritiCalErrMask;
  667. }
  668. //获取母线电流
  669. float PMSM_FOC_Calc_iDC(void) {
  670. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  671. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  672. #ifdef NO_SAMPLE_IDC
  673. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.01f);
  674. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.01f);
  675. #endif
  676. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  677. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  678. /*
  679. 根据公式(等幅值变换,功率不等):
  680. iDC x vDC = 2/3(iq x vq + id x vd);
  681. */
  682. float m_pow = (vd * id + vq * iq); //s32q10
  683. float raw_idc = m_pow / gFoc_Ctrl.in.s_vDC;// * 1.5f * 0.66f; //s16q5
  684. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.01f);
  685. return gFoc_Ctrl.out.s_FilteriDC;
  686. }
  687. void PMSM_FOC_Brake(bool brake) {
  688. gFoc_Ctrl.in.b_eBrake = brake;
  689. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  690. gFoc_Ctrl.in.b_cruiseEna = false;
  691. }
  692. eCtrl_brake_signal(brake);
  693. }