PMSM_FOC_Core.c 34 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045
  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/core/smo_observer.h"
  12. #include "foc/samples.h"
  13. #include "foc/limit.h"
  14. #include "app/nv_storage.h"
  15. #include "bsp/pwm.h"
  16. #include "libs/logger.h"
  17. #include "math/fir.h"
  18. PMSM_FOC_Ctrl gFoc_Ctrl;
  19. static Fir_t phase1, phase2;
  20. static bool g_focinit = false;
  21. static u32 PMSM_FOC_Debug_Task(void *p);
  22. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  23. float c,s;
  24. #if 0
  25. SinCos_Lut(angle, &s, &c);
  26. #else
  27. s = gFoc_Ctrl.out.sin;
  28. c = gFoc_Ctrl.out.cos;
  29. #endif
  30. alpha_beta->a = dq->d * c - dq->q * s;
  31. alpha_beta->b = dq->d * s + dq->q * c;
  32. }
  33. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  34. alpha_beta->a = A;
  35. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  36. }
  37. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  38. float c,s;
  39. #if 0
  40. SinCos_Lut(angle, &s, &c);
  41. #else
  42. s = gFoc_Ctrl.out.sin;
  43. c = gFoc_Ctrl.out.cos;
  44. #endif
  45. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  46. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  47. }
  48. #define VD_PRIO_HIGH
  49. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  50. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  51. float vDC_m = vDC * module;
  52. float sq_vDC = vDC_m * vDC_m;
  53. if (sq_vdq > sq_vDC) {
  54. #ifdef VD_PRIO_HIGH
  55. out->d = vdq->d;
  56. out->q = sqrtf(sq_vDC - out->d*out->d);
  57. #else
  58. float r = sqrtf(sq_vDC / sq_vdq);
  59. out->d = vdq->d * r;
  60. out->q = vdq->q * r;
  61. #endif
  62. }else {
  63. out->d = vdq->d;
  64. out->q = vdq->q;
  65. }
  66. return sqrtf(sq_vdq/sq_vDC);
  67. }
  68. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  69. float cp = c->s_Cp;
  70. c->s_FinalTgt = target;
  71. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  72. }
  73. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  74. if (++c->n_StepCount == c->n_CtrlCount) {
  75. c->s_Cp += c->s_Step;
  76. if (c->s_Step < 0) {
  77. if (c->s_Cp < c->s_FinalTgt) {
  78. c->s_Cp = c->s_FinalTgt;
  79. }
  80. }else {
  81. if (c->s_Cp > c->s_FinalTgt) {
  82. c->s_Cp = c->s_FinalTgt;
  83. }
  84. }
  85. c->n_StepCount = 0;
  86. }
  87. return c->s_Cp;
  88. }
  89. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  90. c->n_CtrlCount = count;
  91. c->n_StepCount = 0;
  92. c->s_Cp = 0;
  93. c->s_FinalTgt = 0;
  94. c->s_Step = 0;
  95. }
  96. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  97. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  98. }
  99. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  101. }
  102. static void PMSM_FOC_Reset_PID(void) {
  103. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  104. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  110. }
  111. static void PMSM_FOC_Conf_PID(void) {
  112. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  113. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  114. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  115. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  116. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  117. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  118. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  119. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  120. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  121. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  122. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  123. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  124. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  125. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  126. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  127. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  128. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  129. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  130. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  131. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  132. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  133. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  134. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  135. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  136. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  137. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  138. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  139. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  140. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  141. }
  142. static void PMSM_FOC_UserInit(void) {
  143. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  144. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  145. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  146. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  147. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  148. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  149. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  150. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  152. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  153. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  154. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  155. }
  156. void PMSM_FOC_RT_LimInit(void) {
  157. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  160. }
  161. void PMSM_FOC_CoreInit(void) {
  162. Fir_init(&phase1);
  163. Fir_init(&phase2);
  164. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  165. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  166. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  167. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  168. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  169. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  170. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  171. PMSM_FOC_Conf_PID();
  172. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  173. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  174. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  175. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  176. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  177. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  178. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  179. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  180. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  181. if (!g_focinit) {
  182. PMSM_FOC_UserInit();
  183. PMSM_FOC_RT_LimInit();
  184. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  185. g_focinit = true;
  186. }
  187. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  188. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  189. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  190. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  191. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  192. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  193. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  194. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  195. gFoc_Ctrl.out.f_vdqRation = 0;
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  199. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  200. PMSM_FOC_Reset_PID();
  201. #ifdef CONFIG_SMO_OBSERVER
  202. smo_observer_init(CONFIG_SMO_PLL_BANDWITH, CONFIG_SMO_LFP_WC, CONFIG_SMO_GAIN_K, CONFIG_SMO_SIGMOID_MAX);
  203. #endif
  204. gFoc_Ctrl.plot_type = Plot_Phase_curr;
  205. }
  206. //#define PHASE_LFP_FIR
  207. //#define PHASE_LFP
  208. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  209. AB_t iAB;
  210. #ifdef PHASE_LFP
  211. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  212. #elif defined PHASE_LFP_FIR
  213. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  214. #else
  215. float *iabc = gFoc_Ctrl.in.s_iABC;
  216. #endif
  217. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  218. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  219. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  220. }else {
  221. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  222. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  223. }
  224. #ifdef CONFIG_DQ_STEP_RESPONSE
  225. gFoc_Ctrl.in.s_hallAngle = 0;
  226. gFoc_Ctrl.in.s_motAngle = 0;
  227. #endif
  228. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  229. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  230. //sample current
  231. phase_current_get(gFoc_Ctrl.in.s_iABC);
  232. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  233. #ifdef PHASE_LFP
  234. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  235. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  236. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  237. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  238. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  239. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  240. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  241. #elif defined PHASE_LFP_FIR
  242. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  243. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  244. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  245. #endif
  246. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  247. #ifdef CONFIG_SMO_OBSERVER
  248. gFoc_Ctrl.in.s_smoAngle = smo_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  249. #endif
  250. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  251. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  252. }
  253. static __INLINE void PMSM_FOC_Update_PI_Idq(void) {
  254. /* update id pi ctrl */
  255. gFoc_Ctrl.params.maxvDQ.d = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  256. gFoc_Ctrl.params.minvDQ.d = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  257. gFoc_Ctrl.params.maxvDQ.q = gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  258. gFoc_Ctrl.params.minvDQ.q = -gFoc_Ctrl.in.s_vDC * gFoc_Ctrl.params.n_modulation;//CONFIG_RATED_DC_VOL;
  259. if (gFoc_Ctrl.params.maxvDQ.d != gFoc_Ctrl.pi_id->max) {
  260. gFoc_Ctrl.pi_id->max = gFoc_Ctrl.params.maxvDQ.d;
  261. }
  262. if (gFoc_Ctrl.params.minvDQ.d != gFoc_Ctrl.pi_id->min) {
  263. gFoc_Ctrl.pi_id->min = gFoc_Ctrl.params.minvDQ.d;
  264. }
  265. /* update iq pi ctrl */
  266. if (gFoc_Ctrl.params.maxvDQ.q != gFoc_Ctrl.pi_iq->max) {
  267. gFoc_Ctrl.pi_iq->max = gFoc_Ctrl.params.maxvDQ.q;
  268. }
  269. if (gFoc_Ctrl.params.minvDQ.q != gFoc_Ctrl.pi_iq->min) {
  270. gFoc_Ctrl.pi_iq->min = gFoc_Ctrl.params.minvDQ.q;
  271. }
  272. }
  273. #ifdef CONFIG_DQ_STEP_RESPONSE
  274. float target_d = 0.0f;
  275. float target_q = 0.0f;
  276. #endif
  277. static u32 PMSM_FOC_Debug_Task(void *p) {
  278. if (gFoc_Ctrl.in.b_motEnable) {
  279. #ifdef CONFIG_DQ_STEP_RESPONSE
  280. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  281. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  282. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  283. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  284. }
  285. #else
  286. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  287. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  288. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  289. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  290. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  291. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  292. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  293. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  294. }
  295. #endif
  296. }
  297. return 1;
  298. }
  299. void PMSM_FOC_Schedule(void) {
  300. gFoc_Ctrl.ctrl_count++;
  301. PMSM_FOC_Update_Hardware();
  302. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  303. PMSM_FOC_Update_PI_Idq();
  304. #ifndef CONFIG_DQ_STEP_RESPONSE
  305. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  306. #endif
  307. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  308. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  309. #ifndef CONFIG_DQ_STEP_RESPONSE
  310. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  311. #endif
  312. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  313. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  314. }else {
  315. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  316. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  317. }
  318. 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);
  319. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  320. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  321. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  322. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  323. phase_current_point(&gFoc_Ctrl.out);
  324. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  325. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  326. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  327. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  328. if (gFoc_Ctrl.plot_type != Plot_None) {
  329. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  330. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  331. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  332. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  333. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  334. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  335. #ifdef CONFIG_SMO_OBSERVER
  336. float delta = gFoc_Ctrl.in.s_smoAngle - gFoc_Ctrl.in.s_hallAngle;
  337. if (delta > 180) {
  338. delta -= 360;
  339. }else if (delta < -180) {
  340. delta += 360;
  341. }
  342. plot_3data16(gFoc_Ctrl.in.s_hallAngle, gFoc_Ctrl.in.s_smoAngle, delta);
  343. #endif
  344. }
  345. }
  346. }
  347. }
  348. void PMSM_FOC_LogDebug(void) {
  349. }
  350. /*called in media task */
  351. u8 PMSM_FOC_CtrlMode(void) {
  352. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  353. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  354. gFoc_Ctrl.in.b_cruiseEna = false;
  355. }
  356. if (!gFoc_Ctrl.in.b_motEnable) {
  357. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  358. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  359. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  360. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  361. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  362. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  363. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  364. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  365. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  366. }else {
  367. if (!gFoc_Ctrl.in.b_cruiseEna) {
  368. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  369. }
  370. }
  371. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  372. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  373. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  374. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  375. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  376. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  377. target_troque = PMSM_FOC_Get_Real_Torque();
  378. }
  379. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  380. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  381. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  382. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  383. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  384. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  385. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  386. }
  387. }
  388. return gFoc_Ctrl.out.n_RunMode;
  389. }
  390. static void crosszero_step_towards(float *value, float target) {
  391. float v_now = *value;
  392. bool cross_zero = false;
  393. if (target > 0) {
  394. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  395. step_towards(value, target, 0.05f);
  396. cross_zero = true;
  397. }
  398. }else if (target == 0) {
  399. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  400. step_towards(value, target, 0.05f);
  401. cross_zero = true;
  402. }
  403. }else {
  404. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  405. step_towards(value, target, 0.02f);
  406. cross_zero = true;
  407. }
  408. }
  409. if (!cross_zero) {
  410. *value = target;
  411. }
  412. }
  413. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  414. static __INLINE void PMSM_FOC_FieldWeak(void) {
  415. if (!gFoc_Ctrl.in.b_fwEnable) {
  416. return;
  417. }
  418. }
  419. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  420. #if 1
  421. PI_Ctrl_Power.max = maxTrq;
  422. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  423. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  424. #else
  425. return maxTrq;
  426. #endif
  427. }
  428. static __INLINE void PMSM_FOC_idq_Assign(void) {
  429. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  430. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  431. float s, c;
  432. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  433. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  434. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  435. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  436. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  437. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  438. }
  439. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  440. }else {
  441. gFoc_Ctrl.in.s_targetIdq.d = 0;
  442. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  443. }
  444. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  445. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  446. PMSM_FOC_FieldWeak();
  447. }
  448. u32 mask = cpu_enter_critical();
  449. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  450. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  451. cpu_exit_critical(mask);
  452. }
  453. /*called in media task */
  454. void PMSM_FOC_idqCalc(void) {
  455. if (gFoc_Ctrl.in.b_AutoHold) {
  456. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  457. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  458. float vel_count = motor_encoder_get_vel_count();
  459. float errRef = 0 - vel_count;
  460. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  461. PMSM_FOC_idq_Assign();
  462. return;
  463. }
  464. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  465. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  466. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  467. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  468. gFoc_Ctrl.in.s_targetCurrent = 0;
  469. }
  470. }
  471. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  472. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  473. if (refTorque >= 0) {
  474. gFoc_Ctrl.pi_torque->max = refTorque;
  475. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_CURRENT;
  476. }else {
  477. gFoc_Ctrl.pi_torque->min = refTorque;
  478. gFoc_Ctrl.pi_torque->max = 0;
  479. }
  480. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  481. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  482. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  483. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  484. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  485. float maxSpeed = eCtrl_get_FinalSpeed();
  486. float refSpeed = eCtrl_get_RefSpeed();
  487. if (gFoc_Ctrl.in.b_cruiseEna) {
  488. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  489. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  490. }
  491. if (maxSpeed >= 0) {
  492. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  493. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_CURRENT;
  494. }else if (maxSpeed < 0) {
  495. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  496. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_CURRENT;
  497. }
  498. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  499. gFoc_Ctrl.pi_speed->max = 0;
  500. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  501. }
  502. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  503. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  504. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  505. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  506. }
  507. PMSM_FOC_idq_Assign();
  508. }
  509. bool PMSM_FOC_RunTime_Limit(void) {
  510. bool changed = false;
  511. float dclim = (float)vbus_current_vol_lower_limit();
  512. float phaselim = (float)phase_current_temp_high_limit();
  513. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.hwLim.s_iDCMax;
  514. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  515. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  516. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  517. }
  518. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  519. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  520. }
  521. if (gFoc_Ctrl.protLim.s_iDCLim != dclim || gFoc_Ctrl.protLim.s_PhaseCurrLim != phaselim) {
  522. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  523. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  524. changed = true;
  525. }
  526. return changed;
  527. }
  528. void PMSM_FOC_Slow_Task(void) {
  529. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  530. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  531. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  532. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  533. PMSM_FOC_idqCalc();
  534. }
  535. float PMSM_FOC_Get_Real_Torque(void) {
  536. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  537. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  538. }
  539. return gFoc_Ctrl.out.s_RealCurrent;
  540. }
  541. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  542. return &gFoc_Ctrl;
  543. }
  544. void PMSM_FOC_Start(u8 nCtrlMode) {
  545. if (gFoc_Ctrl.in.b_motEnable) {
  546. return;
  547. }
  548. PMSM_FOC_CoreInit();
  549. eCtrl_Reset();
  550. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  551. gFoc_Ctrl.in.b_motEnable = true;
  552. }
  553. void PMSM_FOC_Stop(void) {
  554. if (!gFoc_Ctrl.in.b_motEnable) {
  555. return;
  556. }
  557. PMSM_FOC_CoreInit();
  558. gFoc_Ctrl.in.b_motEnable = false;
  559. }
  560. bool PMSM_FOC_Is_Start(void) {
  561. return gFoc_Ctrl.in.b_motEnable;
  562. }
  563. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  564. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  565. if (ibusLimit > minCurr) {
  566. ibusLimit = minCurr;
  567. }
  568. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  569. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  570. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  571. }else {
  572. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  573. }
  574. }
  575. float PMSM_FOC_GetDCCurrLimit(void) {
  576. return gFoc_Ctrl.userLim.s_iDCLim;
  577. }
  578. void PMSM_FOC_SpeedLimit(float speedLimit) {
  579. PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  580. }
  581. void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
  582. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  583. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  584. }
  585. bool need_reset = false;
  586. if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
  587. need_reset = true;
  588. }
  589. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  590. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
  591. if (need_reset) {
  592. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
  593. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
  594. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
  595. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
  596. }
  597. }
  598. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
  599. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  600. }else {
  601. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  602. }
  603. }
  604. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  605. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  606. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  607. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  608. }
  609. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  610. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  611. }
  612. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  613. if (gFoc_Ctrl.in.s_motRPM == 0) {
  614. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  615. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  616. }else {
  617. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  618. }
  619. }
  620. float PMSM_FOC_GetSpeedLimit(void) {
  621. return gFoc_Ctrl.userLim.s_motRPMLim;
  622. }
  623. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  624. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  625. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  626. }
  627. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  628. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  629. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit);
  630. }else {
  631. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  632. }
  633. }
  634. float PMSM_FOC_GetTorqueLimit(void) {
  635. return gFoc_Ctrl.userLim.s_torqueLim;
  636. }
  637. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  638. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  639. }
  640. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  641. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  642. }
  643. float PMSM_FOC_GetVbusVoltage(void) {
  644. return gFoc_Ctrl.in.s_vDC;
  645. }
  646. float PMSM_FOC_GetVbusCurrent(void) {
  647. return gFoc_Ctrl.out.s_FilteriDC;
  648. }
  649. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  650. return &gFoc_Ctrl.out.s_RealIdq;
  651. }
  652. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  653. if (mode > CTRL_MODE_CURRENT_BRK) {
  654. PMSM_FOC_SetErrCode(FOC_Param_Err);
  655. return false;
  656. }
  657. gFoc_Ctrl.in.n_ctlMode = mode;
  658. return true;
  659. }
  660. u8 PMSM_FOC_GetCtrlMode(void) {
  661. return gFoc_Ctrl.in.n_ctlMode;
  662. }
  663. void PMSM_FOC_PhaseCurrLim(float lim) {
  664. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  665. if (lim > minCurr) {
  666. lim = minCurr;
  667. }
  668. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  669. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  670. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
  671. }else {
  672. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  673. }
  674. }
  675. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  676. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  677. if (lim > minCurr) {
  678. lim = minCurr;
  679. }
  680. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  681. }
  682. float PMSM_FOC_GetPhaseCurrLim(void) {
  683. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  684. }
  685. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  686. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  687. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  688. }
  689. bool PMSM_FOC_EnableCruise(bool enable) {
  690. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  691. float motSpd = PMSM_FOC_GetSpeed();
  692. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  693. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  694. return false;
  695. }
  696. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  697. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  698. gFoc_Ctrl.in.b_cruiseEna = enable;
  699. }
  700. return true;
  701. }
  702. bool PMSM_FOC_Is_CruiseEnabled(void) {
  703. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  704. }
  705. bool PMSM_FOC_Set_Speed(float rpm) {
  706. if (gFoc_Ctrl.in.b_cruiseEna) {
  707. return false;
  708. }
  709. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  710. return true;
  711. }
  712. #if 0
  713. bool PMSM_FOC_Set_epmMode(bool epm) {
  714. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  715. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  716. return false;
  717. }
  718. if (gFoc_Ctrl.in.b_epmMode != epm) {
  719. if (PMSM_FOC_GetSpeed() != 0.0f) {
  720. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  721. return false;
  722. }
  723. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  724. gFoc_Ctrl.in.b_epmMode = epm;
  725. if (epm) {
  726. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  727. eCtrl_set_TgtSpeed(0);
  728. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  729. }else {
  730. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  731. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  732. }
  733. }
  734. return true;
  735. }
  736. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  737. if (!gFoc_Ctrl.in.b_epmMode) {
  738. return false;
  739. }
  740. if (move) {
  741. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  742. return false;
  743. }
  744. gFoc_Ctrl.in.epmDirection = dir;
  745. }else {
  746. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  747. }
  748. return true;
  749. }
  750. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  751. return gFoc_Ctrl.in.epmDirection;
  752. }
  753. #endif
  754. bool PMSM_FOC_Set_Current(float is) {
  755. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  756. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  757. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  758. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  759. }
  760. eCtrl_set_TgtCurrent(is);
  761. return true;
  762. }
  763. bool PMSM_FOC_Set_Torque(float trq) {
  764. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  765. trq = gFoc_Ctrl.userLim.s_torqueLim;
  766. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  767. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  768. }
  769. eCtrl_set_TgtTorque(trq);
  770. return true;
  771. }
  772. void PMSM_FOC_Reset_Torque(void) {
  773. float real_trq = PMSM_FOC_Get_Real_Torque();
  774. eCtrl_reset_Torque(real_trq);
  775. }
  776. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  777. if (PMSM_FOC_Is_CruiseEnabled()) {
  778. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  779. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  780. return false;
  781. }
  782. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  783. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  784. return true;
  785. }
  786. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  787. return false;
  788. }
  789. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  790. if (enable) {
  791. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  792. gFoc_Ctrl.in.s_manualAngle = 0;
  793. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  794. }else {
  795. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  796. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  797. }
  798. }
  799. void PMSM_FOC_Set_Angle(float angle) {
  800. gFoc_Ctrl.in.s_manualAngle = (angle);
  801. }
  802. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  803. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  804. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  805. }
  806. float PMSM_FOC_GetSpeed(void) {
  807. return gFoc_Ctrl.in.s_motRPM;
  808. }
  809. void PMSM_FOC_AutoHold(bool lock) {
  810. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  811. motor_encoder_lock_pos(lock);
  812. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  813. if (!lock) {
  814. //解锁后为了防止倒溜,需要把当前
  815. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  816. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  817. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  818. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  819. }
  820. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  821. }
  822. gFoc_Ctrl.in.b_AutoHold = lock;
  823. }
  824. }
  825. bool PMSM_FOC_AutoHoldding(void) {
  826. return gFoc_Ctrl.in.b_AutoHold;
  827. }
  828. static PI_Controller *_pid(u8 id) {
  829. PI_Controller *pi = NULL;
  830. if (id == PID_D_id) {
  831. pi = gFoc_Ctrl.pi_id;
  832. }else if (id == PID_Q_id) {
  833. pi = gFoc_Ctrl.pi_iq;
  834. }else if (id == PID_TRQ_id) {
  835. pi = gFoc_Ctrl.pi_torque;
  836. }else if (id == PID_Spd_id) {
  837. pi = gFoc_Ctrl.pi_speed;
  838. }
  839. return pi;
  840. }
  841. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  842. if (id > PID_Max_id) {
  843. return;
  844. }
  845. PI_Controller *pi = _pid(id);
  846. if (pi != NULL) {
  847. pi->kp = kp;
  848. pi->ki = ki;
  849. pi->kb = kb;
  850. }
  851. }
  852. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  853. if (id > PID_Max_id) {
  854. return;
  855. }
  856. PI_Controller *pi = _pid(id);
  857. if (pi != NULL) {
  858. *kp = pi->kp;
  859. *ki = pi->ki;
  860. *kb = pi->kb;
  861. }
  862. }
  863. void PMSM_FOC_SetErrCode(u8 error) {
  864. if (gFoc_Ctrl.out.n_Error != error) {
  865. gFoc_Ctrl.out.n_Error = error;
  866. }
  867. }
  868. u8 PMSM_FOC_GetErrCode(void) {
  869. return gFoc_Ctrl.out.n_Error;
  870. }
  871. void PMSM_FOC_SetCriticalError(u8 err) {
  872. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  873. }
  874. void PMSM_FOC_ClrCriticalError(u8 err) {
  875. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  876. }
  877. u32 PMSM_FOC_GetCriticalError(void) {
  878. return gFoc_Ctrl.out.n_CritiCalErrMask;
  879. }
  880. void PMSM_FOC_Set_PlotType(Plot_t t) {
  881. gFoc_Ctrl.plot_type = t;
  882. }
  883. //获取母线电流和实际输出电流矢量大小
  884. void PMSM_FOC_Calc_Current(void) {
  885. #ifdef NO_SAMPLE_IDC
  886. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  887. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  888. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  889. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  890. /*
  891. 根据公式(等幅值变换,功率不等):
  892. iDC x vDC = 2/3(iq x vq + id x vd);
  893. */
  894. float m_pow = (vd * id + vq * iq); //s32q10
  895. float id_thr = ABS(id);
  896. if (id_thr >= 100.0f) {
  897. id_thr = 100.0f;
  898. }
  899. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  900. #else
  901. float raw_idc = get_vbus_current();
  902. #endif
  903. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  904. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  905. }
  906. void PMSM_FOC_Brake(bool brake) {
  907. gFoc_Ctrl.in.b_eBrake = brake;
  908. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  909. gFoc_Ctrl.in.b_cruiseEna = false;
  910. }
  911. eCtrl_brake_signal(brake);
  912. }