PMSM_FOC_Core.c 33 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028
  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 "foc/limit.h"
  13. #include "app/nv_storage.h"
  14. #include "bsp/pwm.h"
  15. #include "libs/logger.h"
  16. #include "math/fir.h"
  17. PMSM_FOC_Ctrl gFoc_Ctrl;
  18. static Fir_t phase1, phase2;
  19. static bool g_focinit = false;
  20. static u32 PMSM_FOC_Debug_Task(void *p);
  21. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  22. float c,s;
  23. #if 0
  24. SinCos_Lut(angle, &s, &c);
  25. #else
  26. s = gFoc_Ctrl.out.sin;
  27. c = gFoc_Ctrl.out.cos;
  28. #endif
  29. alpha_beta->a = dq->d * c - dq->q * s;
  30. alpha_beta->b = dq->d * s + dq->q * c;
  31. }
  32. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  33. alpha_beta->a = A;
  34. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  35. }
  36. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  37. float c,s;
  38. #if 0
  39. SinCos_Lut(angle, &s, &c);
  40. #else
  41. s = gFoc_Ctrl.out.sin;
  42. c = gFoc_Ctrl.out.cos;
  43. #endif
  44. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  45. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  46. }
  47. #define VD_PRIO_HIGH
  48. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  49. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  50. float vDC_m = vDC * module;
  51. float sq_vDC = vDC_m * vDC_m;
  52. if (sq_vdq > sq_vDC) {
  53. #ifdef VD_PRIO_HIGH
  54. out->d = vdq->d;
  55. out->q = sqrtf(sq_vDC - out->d*out->d);
  56. #else
  57. float r = sqrtf(sq_vDC / sq_vdq);
  58. out->d = vdq->d * r;
  59. out->q = vdq->q * r;
  60. #endif
  61. }else {
  62. out->d = vdq->d;
  63. out->q = vdq->q;
  64. }
  65. return sqrtf(sq_vdq/sq_vDC);
  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. }
  72. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  73. if (++c->n_StepCount == c->n_CtrlCount) {
  74. c->s_Cp += c->s_Step;
  75. if (c->s_Step < 0) {
  76. if (c->s_Cp < c->s_FinalTgt) {
  77. c->s_Cp = c->s_FinalTgt;
  78. }
  79. }else {
  80. if (c->s_Cp > c->s_FinalTgt) {
  81. c->s_Cp = c->s_FinalTgt;
  82. }
  83. }
  84. c->n_StepCount = 0;
  85. }
  86. return c->s_Cp;
  87. }
  88. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  89. c->n_CtrlCount = count;
  90. c->n_StepCount = 0;
  91. c->s_Cp = 0;
  92. c->s_FinalTgt = 0;
  93. c->s_Step = 0;
  94. }
  95. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  96. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  97. }
  98. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  99. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  100. }
  101. static void PMSM_FOC_Reset_PID(void) {
  102. PI_Controller_Reset(gFoc_Ctrl.pi_id, 0);
  103. PI_Controller_Reset(gFoc_Ctrl.pi_iq, 0);
  104. PI_Controller_Reset(gFoc_Ctrl.pi_speed, 0);
  105. PI_Controller_Reset(gFoc_Ctrl.pi_fw, 0);
  106. PI_Controller_Reset(gFoc_Ctrl.pi_torque, 0);
  107. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  108. PI_Controller_Reset(gFoc_Ctrl.pi_power, 0);
  109. }
  110. static void PMSM_FOC_Conf_PID(void) {
  111. gFoc_Ctrl.pi_id->kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  112. gFoc_Ctrl.pi_id->ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  113. gFoc_Ctrl.pi_id->kb = nv_get_foc_params()->pid_conf[PID_D_id].kb;
  114. gFoc_Ctrl.pi_id->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  115. gFoc_Ctrl.pi_iq->kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  116. gFoc_Ctrl.pi_iq->ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  117. gFoc_Ctrl.pi_iq->kb = nv_get_foc_params()->pid_conf[PID_Q_id].kb;
  118. gFoc_Ctrl.pi_iq->DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  119. gFoc_Ctrl.pi_torque->kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  120. gFoc_Ctrl.pi_torque->ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  121. gFoc_Ctrl.pi_torque->kb = nv_get_foc_params()->pid_conf[PID_TRQ_id].kb;
  122. gFoc_Ctrl.pi_torque->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  123. gFoc_Ctrl.pi_speed->kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  124. gFoc_Ctrl.pi_speed->ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  125. gFoc_Ctrl.pi_speed->kb = nv_get_foc_params()->pid_conf[PID_Spd_id].kb;
  126. gFoc_Ctrl.pi_speed->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  127. gFoc_Ctrl.pi_power->kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  128. gFoc_Ctrl.pi_power->ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  129. gFoc_Ctrl.pi_power->kb = nv_get_foc_params()->pid_conf[PID_Pow_id].kb;
  130. gFoc_Ctrl.pi_power->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  131. gFoc_Ctrl.pi_lock->kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  132. gFoc_Ctrl.pi_lock->ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  133. gFoc_Ctrl.pi_lock->kb = nv_get_foc_params()->pid_conf[PID_Lock_id].kb;
  134. gFoc_Ctrl.pi_lock->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  135. gFoc_Ctrl.pi_fw->kp = nv_get_foc_params()->pid_conf[PID_FW_id].kp;
  136. gFoc_Ctrl.pi_fw->ki = nv_get_foc_params()->pid_conf[PID_FW_id].ki;
  137. gFoc_Ctrl.pi_fw->kb = nv_get_foc_params()->pid_conf[PID_FW_id].kb;
  138. gFoc_Ctrl.pi_fw->DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  139. PI_Controller_max(gFoc_Ctrl.pi_fw, 0, -CONFIG_MAX_FW_D_CURR);
  140. }
  141. static void PMSM_FOC_UserInit(void) {
  142. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  143. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  144. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  145. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  146. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  147. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  148. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  149. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  150. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = nv_get_foc_params()->s_PhaseCurreBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  152. gFoc_Ctrl.protLim.s_iDCLim = gFoc_Ctrl.userLim.s_iDCLim;
  153. gFoc_Ctrl.protLim.s_PhaseCurrLim = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  154. }
  155. void PMSM_FOC_RT_LimInit(void) {
  156. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  157. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, gFoc_Ctrl.userLim.s_PhaseCurrLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  159. }
  160. void PMSM_FOC_CoreInit(void) {
  161. Fir_init(&phase1);
  162. Fir_init(&phase2);
  163. gFoc_Ctrl.pi_id = &PI_Ctrl_ID;
  164. gFoc_Ctrl.pi_iq = &PI_Ctrl_IQ;
  165. gFoc_Ctrl.pi_speed = &PI_Ctrl_Spd;
  166. gFoc_Ctrl.pi_fw = &PI_Ctrl_fw;
  167. gFoc_Ctrl.pi_torque = &PI_Ctrl_trq;
  168. gFoc_Ctrl.pi_lock = &PI_Ctrl_lock;
  169. gFoc_Ctrl.pi_power = &PI_Ctrl_Power;
  170. PMSM_FOC_Conf_PID();
  171. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  172. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  173. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  174. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  175. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  176. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  177. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  178. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_TORQUE;
  179. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  180. if (!g_focinit) {
  181. PMSM_FOC_UserInit();
  182. PMSM_FOC_RT_LimInit();
  183. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  184. g_focinit = true;
  185. }
  186. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  187. gFoc_Ctrl.params.n_PhaseFilterCeof = (CONFIG_CURR_LP_PARAM>1.0f?1.0f:CONFIG_CURR_LP_PARAM);
  188. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  189. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  190. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  191. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  192. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  193. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  194. gFoc_Ctrl.out.f_vdqRation = 0;
  195. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS));
  199. PMSM_FOC_Reset_PID();
  200. gFoc_Ctrl.plot_type = Plot_None;
  201. }
  202. //#define PHASE_LFP_FIR
  203. //#define PHASE_LFP
  204. static __INLINE void PMSM_FOC_Update_Hardware(void) {
  205. AB_t vAB;
  206. #ifdef PHASE_LFP
  207. float *iabc = gFoc_Ctrl.in.s_iABCComp;
  208. #elif defined PHASE_LFP_FIR
  209. float *iabc = gFoc_Ctrl.in.s_iABCFilter;
  210. #else
  211. float *iabc = gFoc_Ctrl.in.s_iABC;
  212. #endif
  213. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  214. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  215. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  216. }else {
  217. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  218. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  219. }
  220. #ifdef CONFIG_DQ_STEP_RESPONSE
  221. gFoc_Ctrl.in.s_hallAngle = 0;
  222. gFoc_Ctrl.in.s_motAngle = 0;
  223. #endif
  224. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  225. gFoc_Ctrl.in.s_motRPM = motor_encoder_get_speed();
  226. gFoc_Ctrl.in.s_vDC = get_vbus_int();
  227. //sample current
  228. phase_current_get(gFoc_Ctrl.in.s_iABC);
  229. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  230. #if 0
  231. gFoc_Ctrl.in.s_vABC[0] -= gFoc_Ctrl.in.s_vDC/2.0f;
  232. gFoc_Ctrl.in.s_vABC[1] -= gFoc_Ctrl.in.s_vDC/2.0f;
  233. gFoc_Ctrl.in.s_vABC[2] -= gFoc_Ctrl.in.s_vDC/2.0f;
  234. Clark(gFoc_Ctrl.in.s_vABC[0], gFoc_Ctrl.in.s_vABC[1], gFoc_Ctrl.in.s_vABC[2], &vAB);
  235. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealVdq);
  236. #endif
  237. #ifdef PHASE_LFP
  238. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], gFoc_Ctrl.params.n_PhaseFilterCeof);
  239. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], gFoc_Ctrl.params.n_PhaseFilterCeof);
  240. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[2], gFoc_Ctrl.in.s_iABC[2], gFoc_Ctrl.params.n_PhaseFilterCeof);
  241. float comp = lp_compestion(gFoc_Ctrl.in.s_motRPM/60.0f*4.0f, CONFIG_CURR_LP_CUT_FREQ);
  242. gFoc_Ctrl.in.s_iABCComp[0] = gFoc_Ctrl.in.s_iABCFilter[0] * comp;
  243. gFoc_Ctrl.in.s_iABCComp[1] = gFoc_Ctrl.in.s_iABCFilter[1] * comp;
  244. gFoc_Ctrl.in.s_iABCComp[2] = gFoc_Ctrl.in.s_iABCFilter[2] * comp;
  245. #elif defined PHASE_LFP_FIR
  246. gFoc_Ctrl.in.s_iABCFilter[1] = Fir_Filter(&phase1, gFoc_Ctrl.in.s_iABC[1]);
  247. gFoc_Ctrl.in.s_iABCFilter[2] = Fir_Filter(&phase2, gFoc_Ctrl.in.s_iABC[2]);
  248. gFoc_Ctrl.in.s_iABCFilter[0] = -(gFoc_Ctrl.in.s_iABCFilter[1] + gFoc_Ctrl.in.s_iABCFilter[2]);
  249. #endif
  250. Clark(iabc[0], iabc[1], iabc[2], &vAB);
  251. Park(&vAB, 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. AB_t vAB;
  301. gFoc_Ctrl.ctrl_count++;
  302. PMSM_FOC_Update_Hardware();
  303. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  304. PMSM_FOC_Update_PI_Idq();
  305. #ifndef CONFIG_DQ_STEP_RESPONSE
  306. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  307. #endif
  308. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  309. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(gFoc_Ctrl.pi_id, err);
  310. #ifndef CONFIG_DQ_STEP_RESPONSE
  311. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  312. #endif
  313. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  314. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(gFoc_Ctrl.pi_iq, err);
  315. }else {
  316. gFoc_Ctrl.in.s_targetVdq.d = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  317. gFoc_Ctrl.in.s_targetVdq.q = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  318. }
  319. 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);
  320. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &vAB);
  321. SVM_Duty_Fix(&vAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  322. phase_current_point(&gFoc_Ctrl.out);
  323. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  324. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  325. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  326. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  327. if (gFoc_Ctrl.plot_type != Plot_None) {
  328. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  329. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  330. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  331. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  332. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  333. }
  334. }
  335. }
  336. }
  337. void PMSM_FOC_LogDebug(void) {
  338. }
  339. /*called in media task */
  340. u8 PMSM_FOC_CtrlMode(void) {
  341. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  342. if (gFoc_Ctrl.in.b_cruiseEna && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_CRUISE_RPM) {
  343. gFoc_Ctrl.in.b_cruiseEna = false;
  344. }
  345. if (!gFoc_Ctrl.in.b_motEnable) {
  346. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  347. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  348. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  349. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  350. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  351. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  352. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  353. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT_BRK) {
  354. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT_BRK;
  355. }else {
  356. if (!gFoc_Ctrl.in.b_cruiseEna) {
  357. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  358. }
  359. }
  360. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  361. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  362. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  363. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  364. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  365. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  366. target_troque = PMSM_FOC_Get_Real_Torque();
  367. }
  368. PI_Controller_Reset(gFoc_Ctrl.pi_speed, target_troque);
  369. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  370. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  371. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  372. float real_trq = PMSM_FOC_Get_Real_Torque() * 0.9f;
  373. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  374. eCtrl_set_TgtCurrent(-PMSM_FOC_GeteBrkPhaseCurrent());
  375. }
  376. }
  377. return gFoc_Ctrl.out.n_RunMode;
  378. }
  379. static void crosszero_step_towards(float *value, float target) {
  380. float v_now = *value;
  381. bool cross_zero = false;
  382. if (target > 0) {
  383. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  384. step_towards(value, target, 0.05f);
  385. cross_zero = true;
  386. }
  387. }else if (target == 0) {
  388. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  389. step_towards(value, target, 0.05f);
  390. cross_zero = true;
  391. }
  392. }else {
  393. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  394. step_towards(value, target, 0.02f);
  395. cross_zero = true;
  396. }
  397. }
  398. if (!cross_zero) {
  399. *value = target;
  400. }
  401. }
  402. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  403. static __INLINE void PMSM_FOC_FieldWeak(void) {
  404. if (!gFoc_Ctrl.in.b_fwEnable) {
  405. return;
  406. }
  407. }
  408. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  409. #if 1
  410. PI_Ctrl_Power.max = maxTrq;
  411. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - gFoc_Ctrl.out.s_FilteriDC;
  412. return PI_Controller_run(gFoc_Ctrl.pi_power, errRef);
  413. #else
  414. return maxTrq;
  415. #endif
  416. }
  417. static __INLINE void PMSM_FOC_idq_Assign(void) {
  418. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  419. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  420. float s, c;
  421. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  422. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  423. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  424. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  425. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  426. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  427. }
  428. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  429. }else {
  430. gFoc_Ctrl.in.s_targetIdq.d = 0;
  431. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  432. }
  433. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  434. torque_get_idq(gFoc_Ctrl.in.s_targetTorque, gFoc_Ctrl.in.s_motRPM, &gFoc_Ctrl.in.s_targetIdq);
  435. PMSM_FOC_FieldWeak();
  436. }
  437. u32 mask = cpu_enter_critical();
  438. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  439. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  440. cpu_exit_critical(mask);
  441. }
  442. /*called in media task */
  443. void PMSM_FOC_idqCalc(void) {
  444. if (gFoc_Ctrl.in.b_AutoHold) {
  445. gFoc_Ctrl.pi_lock->max = CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  446. gFoc_Ctrl.pi_lock->min = -CONFIG_DEFAULT_LOCK_PHASE_CURR_LIM;
  447. float vel_count = motor_encoder_get_vel_count();
  448. float errRef = 0 - vel_count;
  449. gFoc_Ctrl.in.s_targetTorque = PI_Controller_run(gFoc_Ctrl.pi_lock ,errRef);
  450. PMSM_FOC_idq_Assign();
  451. return;
  452. }
  453. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK)) {
  454. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  455. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT_BRK) {
  456. if (eCtrl_get_FinalCurrent() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  457. gFoc_Ctrl.in.s_targetCurrent = 0;
  458. }
  459. }
  460. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  461. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp));
  462. if (refTorque >= 0) {
  463. gFoc_Ctrl.pi_torque->max = refTorque;
  464. gFoc_Ctrl.pi_torque->min = -CONFIG_MAX_NEG_CURRENT;
  465. }else {
  466. gFoc_Ctrl.pi_torque->min = refTorque;
  467. gFoc_Ctrl.pi_torque->max = 0;
  468. }
  469. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  470. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_torque, errRef);
  471. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  472. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  473. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  474. float maxSpeed = eCtrl_get_FinalSpeed();
  475. float refSpeed = eCtrl_get_RefSpeed();
  476. if (gFoc_Ctrl.in.b_cruiseEna) {
  477. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  478. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  479. }
  480. if (maxSpeed >= 0) {
  481. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  482. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_CURRENT;
  483. }else if (maxSpeed < 0) {
  484. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  485. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_CURRENT;
  486. }
  487. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  488. gFoc_Ctrl.pi_speed->max = 0;
  489. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  490. }
  491. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  492. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  493. float maxTrq = PI_Controller_RunSat(gFoc_Ctrl.pi_speed, errRef);
  494. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  495. }
  496. PMSM_FOC_idq_Assign();
  497. }
  498. void PMSM_FOC_RunTime_Limit(void) {
  499. float dclim = (float)vbus_current_vol_lower_limit();
  500. float phaselim = (float)phase_current_temp_high_limit();
  501. dclim = (dclim!=CURRENT_LIMIT_NONE)?dclim:gFoc_Ctrl.userLim.s_iDCLim;
  502. phaselim = (phaselim!=CURRENT_LIMIT_NONE)?phaselim:gFoc_Ctrl.userLim.s_PhaseCurrLim;
  503. dclim = min(dclim, gFoc_Ctrl.userLim.s_iDCLim);
  504. phaselim = min(phaselim, gFoc_Ctrl.userLim.s_PhaseCurrLim);
  505. if (phaselim < gFoc_Ctrl.rtLim.phaseCurrLimRamp.target) {
  506. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, phaselim, CONFIG_eCTRL_STEP_TS);
  507. }
  508. if (dclim < gFoc_Ctrl.rtLim.DCCurrLimRamp.target) {
  509. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, dclim, CONFIG_eCTRL_STEP_TS);
  510. }
  511. gFoc_Ctrl.protLim.s_iDCLim = dclim;
  512. gFoc_Ctrl.protLim.s_PhaseCurrLim = phaselim;
  513. }
  514. void PMSM_FOC_Slow_Task(void) {
  515. eRamp_running(&gFoc_Ctrl.rtLim.phaseCurrLimRamp);
  516. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  517. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  518. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  519. PMSM_FOC_idqCalc();
  520. }
  521. float PMSM_FOC_Get_Real_Torque(void) {
  522. if (gFoc_Ctrl.out.s_RealCurrent == 0) {
  523. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  524. }
  525. return gFoc_Ctrl.out.s_RealCurrent;
  526. }
  527. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  528. return &gFoc_Ctrl;
  529. }
  530. void PMSM_FOC_Start(u8 nCtrlMode) {
  531. if (gFoc_Ctrl.in.b_motEnable) {
  532. return;
  533. }
  534. PMSM_FOC_CoreInit();
  535. eCtrl_Reset();
  536. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  537. gFoc_Ctrl.in.b_motEnable = true;
  538. }
  539. void PMSM_FOC_Stop(void) {
  540. if (!gFoc_Ctrl.in.b_motEnable) {
  541. return;
  542. }
  543. PMSM_FOC_CoreInit();
  544. gFoc_Ctrl.in.b_motEnable = false;
  545. }
  546. bool PMSM_FOC_Is_Start(void) {
  547. return gFoc_Ctrl.in.b_motEnable;
  548. }
  549. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  550. float minCurr = min(gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.protLim.s_iDCLim);
  551. if (ibusLimit > minCurr) {
  552. ibusLimit = minCurr;
  553. }
  554. gFoc_Ctrl.userLim.s_iDCLim = (ibusLimit);
  555. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  556. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  557. }else {
  558. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  559. }
  560. }
  561. float PMSM_FOC_GetDCCurrLimit(void) {
  562. return gFoc_Ctrl.userLim.s_iDCLim;
  563. }
  564. void PMSM_FOC_SpeedLimit(float speedLimit) {
  565. PMSM_FOC_SpeedRampLimit(speedLimit, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  566. }
  567. void PMSM_FOC_SpeedRampLimit(float speedLimit, u32 rampAccTime, u32 rampDecTime) {
  568. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  569. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  570. }
  571. bool need_reset = false;
  572. if (speedLimit < gFoc_Ctrl.userLim.s_motRPMLim){
  573. need_reset = true;
  574. }
  575. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  576. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, rampAccTime, rampDecTime);
  577. if (need_reset) {
  578. if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) && gFoc_Ctrl.out.f_vdqRation >= 1.0f) {
  579. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.out.s_RealCurrent);
  580. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) && gFoc_Ctrl.pi_speed->is_sat) {
  581. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.out.s_RealCurrent);
  582. }
  583. }
  584. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10) {
  585. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  586. }else {
  587. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  588. }
  589. }
  590. /* 扭矩模式下的限速,主要是处理转把对应的最高速 */
  591. void PMSM_FOC_Torque_SpeedLimit(float speedLimit) {
  592. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  593. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  594. }
  595. if (speedLimit > gFoc_Ctrl.userLim.s_motRPMLim) {
  596. speedLimit = gFoc_Ctrl.userLim.s_motRPMLim;
  597. }
  598. eRamp_set_time(&gFoc_Ctrl.rtLim.rpmLimRamp, 1000, 1000);
  599. if (gFoc_Ctrl.in.s_motRPM == 0) {
  600. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit/1.3f);//1.3的系数防止限速过冲
  601. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  602. }else {
  603. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  604. }
  605. }
  606. float PMSM_FOC_GetSpeedLimit(void) {
  607. return gFoc_Ctrl.userLim.s_motRPMLim;
  608. }
  609. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  610. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  611. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  612. }
  613. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  614. }
  615. float PMSM_FOC_GetTorqueLimit(void) {
  616. return gFoc_Ctrl.userLim.s_torqueLim;
  617. }
  618. void PMSM_FOC_SeteBrkPhaseCurrent(float curr) {
  619. gFoc_Ctrl.userLim.s_PhaseCurreBrkLim = curr;
  620. }
  621. float PMSM_FOC_GeteBrkPhaseCurrent(void) {
  622. return gFoc_Ctrl.userLim.s_PhaseCurreBrkLim ;
  623. }
  624. float PMSM_FOC_GetVbusVoltage(void) {
  625. return gFoc_Ctrl.in.s_vDC;
  626. }
  627. float PMSM_FOC_GetVbusCurrent(void) {
  628. return gFoc_Ctrl.out.s_FilteriDC;
  629. }
  630. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  631. return &gFoc_Ctrl.out.s_RealIdq;
  632. }
  633. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  634. if (mode > CTRL_MODE_CURRENT_BRK) {
  635. PMSM_FOC_SetErrCode(FOC_Param_Err);
  636. return false;
  637. }
  638. gFoc_Ctrl.in.n_ctlMode = mode;
  639. return true;
  640. }
  641. u8 PMSM_FOC_GetCtrlMode(void) {
  642. return gFoc_Ctrl.in.n_ctlMode;
  643. }
  644. void PMSM_FOC_PhaseCurrLim(float lim) {
  645. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  646. if (lim > minCurr) {
  647. lim = minCurr;
  648. }
  649. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  650. if (ABS(gFoc_Ctrl.in.s_motRPM) < 10){
  651. eRamp_reset_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim);
  652. }else {
  653. eRamp_set_step_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_eCTRL_STEP_TS);
  654. }
  655. }
  656. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  657. float minCurr = min(gFoc_Ctrl.hwLim.s_PhaseCurrMax, gFoc_Ctrl.protLim.s_PhaseCurrLim);
  658. if (lim > minCurr) {
  659. lim = minCurr;
  660. }
  661. eRamp_init_target(&gFoc_Ctrl.rtLim.phaseCurrLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  662. }
  663. float PMSM_FOC_GetPhaseCurrLim(void) {
  664. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  665. }
  666. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  667. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  668. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  669. }
  670. bool PMSM_FOC_EnableCruise(bool enable) {
  671. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  672. float motSpd = PMSM_FOC_GetSpeed();
  673. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  674. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  675. return false;
  676. }
  677. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  678. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  679. gFoc_Ctrl.in.b_cruiseEna = enable;
  680. }
  681. return true;
  682. }
  683. bool PMSM_FOC_Is_CruiseEnabled(void) {
  684. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  685. }
  686. bool PMSM_FOC_Set_Speed(float rpm) {
  687. if (gFoc_Ctrl.in.b_cruiseEna) {
  688. return false;
  689. }
  690. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  691. return true;
  692. }
  693. #if 0
  694. bool PMSM_FOC_Set_epmMode(bool epm) {
  695. if (epm && !gFoc_Ctrl.in.b_motEnable) {
  696. PMSM_FOC_SetErrCode(FOC_NotAllowed);
  697. return false;
  698. }
  699. if (gFoc_Ctrl.in.b_epmMode != epm) {
  700. if (PMSM_FOC_GetSpeed() != 0.0f) {
  701. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  702. return false;
  703. }
  704. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  705. gFoc_Ctrl.in.b_epmMode = epm;
  706. if (epm) {
  707. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxEpmRPM);
  708. eCtrl_set_TgtSpeed(0);
  709. PMSM_FOC_SetCtrlMode(CTRL_MODE_SPD);
  710. }else {
  711. PMSM_FOC_SetCtrlMode(CTRL_MODE_TRQ);
  712. PMSM_FOC_SpeedLimit(nv_get_foc_params()->s_maxRPM);
  713. }
  714. }
  715. return true;
  716. }
  717. bool PMSM_FOC_Start_epmMove(bool move, EPM_Dir_t dir) {
  718. if (!gFoc_Ctrl.in.b_epmMode) {
  719. return false;
  720. }
  721. if (move) {
  722. if (gFoc_Ctrl.in.epmDirection != EPM_Dir_None) {
  723. return false;
  724. }
  725. gFoc_Ctrl.in.epmDirection = dir;
  726. }else {
  727. gFoc_Ctrl.in.epmDirection = EPM_Dir_None;
  728. }
  729. return true;
  730. }
  731. EPM_Dir_t PMSM_FOC_Get_epmDir(void) {
  732. return gFoc_Ctrl.in.epmDirection;
  733. }
  734. #endif
  735. bool PMSM_FOC_Set_Current(float is) {
  736. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  737. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  738. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  739. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  740. }
  741. eCtrl_set_TgtCurrent(is);
  742. return true;
  743. }
  744. bool PMSM_FOC_Set_Torque(float trq) {
  745. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  746. trq = gFoc_Ctrl.userLim.s_torqueLim;
  747. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  748. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  749. }
  750. eCtrl_set_TgtTorque(trq);
  751. return true;
  752. }
  753. void PMSM_FOC_Reset_Torque(void) {
  754. float real_trq = PMSM_FOC_Get_Real_Torque();
  755. eCtrl_reset_Torque(real_trq);
  756. }
  757. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  758. if (PMSM_FOC_Is_CruiseEnabled()) {
  759. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  760. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  761. return false;
  762. }
  763. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  764. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  765. return true;
  766. }
  767. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  768. return false;
  769. }
  770. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  771. if (enable) {
  772. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  773. gFoc_Ctrl.in.s_manualAngle = 0;
  774. eCtrl_set_ebrk_time(CONFIG_MTPA_CALI_RAMP_TIME);
  775. }else {
  776. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  777. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  778. }
  779. }
  780. void PMSM_FOC_Set_Angle(float angle) {
  781. gFoc_Ctrl.in.s_manualAngle = (angle);
  782. }
  783. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  784. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  785. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  786. }
  787. float PMSM_FOC_GetSpeed(void) {
  788. return gFoc_Ctrl.in.s_motRPM;
  789. }
  790. void PMSM_FOC_AutoHold(bool lock) {
  791. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  792. motor_encoder_lock_pos(lock);
  793. PI_Controller_Reset(gFoc_Ctrl.pi_lock, 0);
  794. if (!lock) {
  795. //解锁后为了防止倒溜,需要把当前
  796. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  797. PI_Controller_Reset(gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  798. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  799. PI_Controller_Reset(gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque);
  800. }
  801. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  802. }
  803. gFoc_Ctrl.in.b_AutoHold = lock;
  804. }
  805. }
  806. bool PMSM_FOC_AutoHoldding(void) {
  807. return gFoc_Ctrl.in.b_AutoHold;
  808. }
  809. static PI_Controller *_pid(u8 id) {
  810. PI_Controller *pi = NULL;
  811. if (id == PID_D_id) {
  812. pi = gFoc_Ctrl.pi_id;
  813. }else if (id == PID_Q_id) {
  814. pi = gFoc_Ctrl.pi_iq;
  815. }else if (id == PID_TRQ_id) {
  816. pi = gFoc_Ctrl.pi_torque;
  817. }else if (id == PID_Spd_id) {
  818. pi = gFoc_Ctrl.pi_speed;
  819. }
  820. return pi;
  821. }
  822. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kb) {
  823. if (id > PID_Max_id) {
  824. return;
  825. }
  826. PI_Controller *pi = _pid(id);
  827. if (pi != NULL) {
  828. pi->kp = kp;
  829. pi->ki = ki;
  830. pi->kb = kb;
  831. }
  832. }
  833. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kb) {
  834. if (id > PID_Max_id) {
  835. return;
  836. }
  837. PI_Controller *pi = _pid(id);
  838. if (pi != NULL) {
  839. *kp = pi->kp;
  840. *ki = pi->ki;
  841. *kb = pi->kb;
  842. }
  843. }
  844. void PMSM_FOC_SetErrCode(u8 error) {
  845. if (gFoc_Ctrl.out.n_Error != error) {
  846. gFoc_Ctrl.out.n_Error = error;
  847. }
  848. }
  849. u8 PMSM_FOC_GetErrCode(void) {
  850. return gFoc_Ctrl.out.n_Error;
  851. }
  852. void PMSM_FOC_SetCriticalError(u8 err) {
  853. gFoc_Ctrl.out.n_CritiCalErrMask |= (1u << err);
  854. }
  855. void PMSM_FOC_ClrCriticalError(u8 err) {
  856. gFoc_Ctrl.out.n_CritiCalErrMask &= ~(1u << err);
  857. }
  858. u32 PMSM_FOC_GetCriticalError(void) {
  859. return gFoc_Ctrl.out.n_CritiCalErrMask;
  860. }
  861. void PMSM_FOC_Set_PlotType(Plot_t t) {
  862. gFoc_Ctrl.plot_type = t;
  863. }
  864. //获取母线电流和实际输出电流矢量大小
  865. void PMSM_FOC_Calc_Current(void) {
  866. #ifdef NO_SAMPLE_IDC
  867. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  868. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  869. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  870. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  871. /*
  872. 根据公式(等幅值变换,功率不等):
  873. iDC x vDC = 2/3(iq x vq + id x vd);
  874. */
  875. float m_pow = (vd * id + vq * iq); //s32q10
  876. float id_thr = ABS(id);
  877. if (id_thr >= 100.0f) {
  878. id_thr = 100.0f;
  879. }
  880. float raw_idc = m_pow / get_vbus_float() * (1.0f - 0.2f * id_thr/100.0f);// * 1.5f * 0.66f; //s16q5
  881. #else
  882. float raw_idc = get_vbus_current();
  883. #endif
  884. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  885. gFoc_Ctrl.out.s_RealCurrent = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  886. }
  887. void PMSM_FOC_Brake(bool brake) {
  888. gFoc_Ctrl.in.b_eBrake = brake;
  889. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  890. gFoc_Ctrl.in.b_cruiseEna = false;
  891. }
  892. eCtrl_brake_signal(brake);
  893. }