PMSM_FOC_Core.c 32 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004
  1. #include "arm_math.h"
  2. #include "PMSM_FOC_Core.h"
  3. #include "foc/foc_config.h"
  4. #include "foc/motor/motor_param.h"
  5. #include "foc/core/e_ctrl.h"
  6. #include "math/fix_math.h"
  7. #include "math/fast_math.h"
  8. #include "foc/motor/current.h"
  9. #include "foc/motor/motor.h"
  10. #include "foc/core/svpwm.h"
  11. #include "foc/core/thro_torque.h"
  12. #include "foc/core/foc_observer.h"
  13. #include "foc/samples.h"
  14. #include "foc/limit.h"
  15. #include "app/nv_storage.h"
  16. #include "bsp/pwm.h"
  17. #include "libs/logger.h"
  18. #include "math/fir.h"
  19. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  20. PMSM_FOC_Ctrl gFoc_Ctrl;
  21. static bool g_focinit = false;
  22. static u32 PMSM_FOC_Debug_Task(void *p);
  23. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  24. float c,s;
  25. #if 0
  26. SinCos_Lut(angle, &s, &c);
  27. #else
  28. s = gFoc_Ctrl.out.sin;
  29. c = gFoc_Ctrl.out.cos;
  30. #endif
  31. alpha_beta->a = dq->d * c - dq->q * s;
  32. alpha_beta->b = dq->d * s + dq->q * c;
  33. }
  34. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  35. alpha_beta->a = A;
  36. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  37. }
  38. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  39. float c,s;
  40. #if 0
  41. SinCos_Lut(angle, &s, &c);
  42. #else
  43. s = gFoc_Ctrl.out.sin;
  44. c = gFoc_Ctrl.out.cos;
  45. #endif
  46. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  47. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  48. }
  49. #if 0
  50. #define VD_PRIO_HIGH
  51. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  52. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  53. float vDC_m = vDC * module * SQRT3_BY_2;
  54. float sq_vDC = vDC_m * vDC_m;
  55. if (sq_vdq > sq_vDC) {
  56. #ifdef VD_PRIO_HIGH
  57. out->d = vdq->d;
  58. out->q = sqrtf(sq_vDC - out->d*out->d);
  59. #else
  60. float r = sqrtf(sq_vDC / sq_vdq);
  61. out->d = vdq->d * r;
  62. out->q = vdq->q * r;
  63. #endif
  64. }else {
  65. out->d = vdq->d;
  66. out->q = vdq->q;
  67. }
  68. return sqrtf(sq_vdq/sq_vDC);
  69. }
  70. #endif
  71. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  72. float cp = c->s_Cp;
  73. c->s_FinalTgt = target;
  74. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  75. }
  76. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  77. if (++c->n_StepCount == c->n_CtrlCount) {
  78. c->s_Cp += c->s_Step;
  79. if (c->s_Step < 0) {
  80. if (c->s_Cp < c->s_FinalTgt) {
  81. c->s_Cp = c->s_FinalTgt;
  82. }
  83. }else {
  84. if (c->s_Cp > c->s_FinalTgt) {
  85. c->s_Cp = c->s_FinalTgt;
  86. }
  87. }
  88. c->n_StepCount = 0;
  89. }
  90. return c->s_Cp;
  91. }
  92. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  93. c->n_CtrlCount = count;
  94. c->n_StepCount = 0;
  95. c->s_Cp = 0;
  96. c->s_FinalTgt = 0;
  97. c->s_Step = 0;
  98. }
  99. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  101. }
  102. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  103. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  104. }
  105. static void PMSM_FOC_Reset_PID(void) {
  106. PI_Controller_Reset(&gFoc_Ctrl.pi_id, 0);
  107. PI_Controller_Reset(&gFoc_Ctrl.pi_iq, 0);
  108. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0);
  110. #ifdef CONFIG_SPEED_LADRC
  111. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  112. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  113. #else
  114. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, 0);
  115. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, 0);
  116. #endif
  117. }
  118. static void PMSM_FOC_Conf_PID(void) {
  119. gFoc_Ctrl.pi_id.kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  120. gFoc_Ctrl.pi_id.ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  121. gFoc_Ctrl.pi_id.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  122. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  123. gFoc_Ctrl.pi_iq.kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  124. gFoc_Ctrl.pi_iq.ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  125. gFoc_Ctrl.pi_iq.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  126. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_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.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  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.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  134. gFoc_Ctrl.pi_lock.DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  135. #ifdef CONFIG_SPEED_LADRC
  136. ladrc_init(&gFoc_Ctrl.vel_lim_adrc, 1.0f/(float)CONFIG_SPD_CTRL_TS, CONFIG_LADRC_Wo, CONFIG_LADRC_Wcv, CONFIG_LADRC_B0);
  137. ladrc_init(&gFoc_Ctrl.vel_adrc, 1.0f/(float)CONFIG_SPD_CTRL_TS, CONFIG_LADRC_Wo, CONFIG_LADRC_Wcv, CONFIG_LADRC_B0);
  138. #else
  139. gFoc_Ctrl.pi_torque.kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  140. gFoc_Ctrl.pi_torque.ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  141. gFoc_Ctrl.pi_torque.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  142. gFoc_Ctrl.pi_torque.DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  143. gFoc_Ctrl.pi_speed.kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  144. gFoc_Ctrl.pi_speed.ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  145. gFoc_Ctrl.pi_speed.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  146. gFoc_Ctrl.pi_speed.DT = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  147. #endif
  148. }
  149. static void PMSM_FOC_UserInit(void) {
  150. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  151. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  152. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  153. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  154. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  155. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  156. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  157. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  158. gFoc_Ctrl.userLim.s_TorqueBrkLim = nv_get_foc_params()->s_TorqueBrkLim;
  159. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  160. }
  161. void PMSM_FOC_RT_LimInit(void) {
  162. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  163. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  164. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  165. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  166. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  167. }
  168. void PMSM_FOC_CoreInit(void) {
  169. PMSM_FOC_Conf_PID();
  170. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  171. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  172. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  173. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  174. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  175. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  176. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  177. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  178. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  179. if (!g_focinit) {
  180. PMSM_FOC_UserInit();
  181. PMSM_FOC_RT_LimInit();
  182. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  183. g_focinit = true;
  184. //_DEBUG("User Limit:\n");
  185. //_DEBUG("dc %f, rpm %f, torque %f, phase %f, vDCmax %f, vDCmin %f, ebrk %f\n", gFoc_Ctrl.userLim.s_iDCLim, gFoc_Ctrl.userLim.s_motRPMLim, gFoc_Ctrl.userLim.s_torqueLim,
  186. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  187. //_DEBUG("Hw Limit:\n");
  188. //_DEBUG("dc %f, rpm %f, torque %f, phase %f\n", gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.hwLim.s_motRPMMax, gFoc_Ctrl.hwLim.s_torqueMax, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  189. }
  190. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  191. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  192. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  193. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  194. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  195. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  196. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  197. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  198. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  199. gFoc_Ctrl.out.f_vdqRation = 0;
  200. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  201. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  202. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  203. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  204. PMSM_FOC_Reset_PID();
  205. foc_observer_init();
  206. gFoc_Ctrl.plot_type = Plot_None;
  207. }
  208. //#define CONFIG_USER_PHASE_LFP
  209. static __INLINE void PMSM_FOC_Update_Input(void) {
  210. AB_t iAB;
  211. float *iabc = gFoc_Ctrl.in.s_iABC;
  212. phase_current_get(iabc);
  213. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  214. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  215. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  216. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  217. }else {
  218. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a, iAB.b);
  219. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  220. }
  221. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  222. #ifdef CONFIG_DQ_STEP_RESPONSE
  223. gFoc_Ctrl.in.s_hallAngle = 0;
  224. gFoc_Ctrl.in.s_motAngle = 0;
  225. #endif
  226. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  227. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  228. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  229. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  230. }
  231. #ifdef CONFIG_DQ_STEP_RESPONSE
  232. float target_d = 0.0f;
  233. float target_q = 0.0f;
  234. #endif
  235. static u32 PMSM_FOC_Debug_Task(void *p) {
  236. if (gFoc_Ctrl.in.b_motEnable) {
  237. #ifdef CONFIG_DQ_STEP_RESPONSE
  238. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  239. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  240. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  241. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  242. }
  243. #else
  244. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  245. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  246. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  247. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  248. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  249. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  250. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  251. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  252. }
  253. #endif
  254. }
  255. return 1;
  256. }
  257. void PMSM_FOC_Schedule(void) {
  258. gFoc_Ctrl.ctrl_count++;
  259. PMSM_FOC_Update_Input();
  260. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  261. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  262. float max_vd = max_Vdc * SQRT3_BY_2;
  263. /* limiter Vd output for PI controller */
  264. gFoc_Ctrl.pi_id.max = max_vd;
  265. gFoc_Ctrl.pi_id.min = -max_vd;
  266. #ifndef CONFIG_DQ_STEP_RESPONSE
  267. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  268. #endif
  269. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  270. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  271. /* limiter Vq output for PI controller */
  272. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  273. gFoc_Ctrl.pi_iq.max = max_vq;
  274. gFoc_Ctrl.pi_iq.min = -max_vq;
  275. #ifndef CONFIG_DQ_STEP_RESPONSE
  276. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  277. #endif
  278. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  279. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(&gFoc_Ctrl.pi_iq, err);
  280. }else {
  281. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  282. float max_vd = max_Vdc * SQRT3_BY_2;
  283. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  284. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  285. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  286. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  287. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  288. }
  289. #if 0
  290. 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);
  291. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  292. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  293. #else
  294. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  295. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  296. #endif
  297. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  298. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  299. phase_current_point(&gFoc_Ctrl.out);
  300. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  301. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  302. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  303. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  304. if (gFoc_Ctrl.plot_type != Plot_None) {
  305. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  306. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  307. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  308. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  309. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  310. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  311. #ifdef CONFIG_SMO_OBSERVER
  312. float smo_angle = foc_observer_smo_angle();
  313. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  314. if (delta > 180) {
  315. delta -= 360;
  316. }else if (delta < -180) {
  317. delta += 360;
  318. }
  319. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  320. #endif
  321. }
  322. }
  323. }
  324. }
  325. void PMSM_FOC_LogDebug(void) {
  326. sys_debug("DC curr %f\n", gFoc_Ctrl.out.s_CalciDC);
  327. }
  328. /*called in media task */
  329. u8 PMSM_FOC_CtrlMode(void) {
  330. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  331. if (!gFoc_Ctrl.in.b_motEnable) {
  332. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  333. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  334. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  335. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  336. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  337. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  338. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  339. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  340. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  341. }else {
  342. if (!gFoc_Ctrl.in.b_cruiseEna) {
  343. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  344. }
  345. }
  346. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  347. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  348. #ifdef CONFIG_SPEED_LADRC
  349. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  350. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  351. #else
  352. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  353. #endif
  354. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  355. #ifdef CONFIG_SPEED_LADRC
  356. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  357. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  358. #else
  359. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  360. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  361. target_troque = PMSM_FOC_Get_Real_dqVector();
  362. }
  363. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  364. #endif
  365. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  366. #ifdef CONFIG_SPEED_LADRC
  367. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  368. #else
  369. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  370. #endif
  371. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  372. #if 0
  373. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  374. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  375. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  376. #else
  377. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  378. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  379. #endif
  380. }
  381. }
  382. return gFoc_Ctrl.out.n_RunMode;
  383. }
  384. static void crosszero_step_towards(float *value, float target) {
  385. float v_now = *value;
  386. bool cross_zero = false;
  387. if (target > 0) {
  388. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  389. step_towards(value, target, 0.05f);
  390. cross_zero = true;
  391. }
  392. }else if (target == 0) {
  393. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  394. step_towards(value, target, 0.05f);
  395. cross_zero = true;
  396. }
  397. }else {
  398. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  399. step_towards(value, target, 0.02f);
  400. cross_zero = true;
  401. }
  402. }
  403. if (!cross_zero) {
  404. *value = target;
  405. }
  406. }
  407. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  408. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  409. #if 1
  410. gFoc_Ctrl.pi_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 float PMSM_FOC_Limit_Speed(float maxTrq) {
  418. #ifdef CONFIG_SPEED_LADRC
  419. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  420. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  421. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  422. #else
  423. #if 1
  424. gFoc_Ctrl.pi_torque->max = maxTrq;
  425. gFoc_Ctrl.pi_torque->min = 0;
  426. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  427. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  428. #else
  429. return maxTrq;
  430. #endif
  431. #endif
  432. }
  433. static __INLINE void PMSM_FOC_idq_Assign(void) {
  434. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  435. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  436. float s, c;
  437. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  438. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  439. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  440. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  441. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  442. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  443. }
  444. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  445. }else {
  446. gFoc_Ctrl.in.s_targetIdq.d = 0;
  447. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  448. }
  449. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  450. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  451. mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  452. }
  453. u32 mask = cpu_enter_critical();
  454. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  455. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  456. cpu_exit_critical(mask);
  457. }
  458. /*called in media task */
  459. void PMSM_FOC_idqCalc(void) {
  460. if (gFoc_Ctrl.in.b_AutoHold) {
  461. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  462. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  463. float vel_count = motor_encoder_get_vel_count();
  464. float errRef = 0 - vel_count;
  465. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  466. PMSM_FOC_idq_Assign();
  467. return;
  468. }
  469. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  470. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  471. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  472. float maxTrq = eCtrl_get_RefTorque();
  473. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  474. maxTrq = 0;
  475. }
  476. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  477. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  478. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  479. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  480. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  481. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  482. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  483. float maxSpeed = eCtrl_get_FinalSpeed();
  484. float refSpeed = eCtrl_get_RefSpeed();
  485. if (gFoc_Ctrl.in.b_cruiseEna) {
  486. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  487. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  488. }
  489. #ifdef CONFIG_SPEED_LADRC
  490. if (maxSpeed >= 0) {
  491. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  492. }else if (maxSpeed < 0) {
  493. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  494. }
  495. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  496. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  497. }
  498. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  499. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  500. #else
  501. if (maxSpeed >= 0) {
  502. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  503. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  504. }else if (maxSpeed < 0) {
  505. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  506. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  507. }
  508. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  509. gFoc_Ctrl.pi_speed->max = 0;
  510. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  511. }
  512. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  513. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  514. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  515. #endif
  516. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  517. }
  518. PMSM_FOC_idq_Assign();
  519. }
  520. bool PMSM_FOC_RunTime_Limit(void) {
  521. bool changed = false;
  522. float dc_lim = (float)vbus_current_vol_lower_limit();
  523. float torque_lim = (float)torque_temp_high_limit();
  524. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  525. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  526. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  527. changed = true;
  528. }
  529. return changed;
  530. }
  531. bool PMSM_FOC_iDC_is_Limited(void) {
  532. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  533. }
  534. bool PMSM_FOC_Torque_is_Limited(void) {
  535. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  536. }
  537. void PMSM_FOC_Slow_Task(void) {
  538. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  539. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  540. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  541. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  542. PMSM_FOC_idqCalc();
  543. }
  544. float PMSM_FOC_Get_Real_dqVector(void) {
  545. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  546. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  547. }
  548. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  549. }
  550. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  551. return &gFoc_Ctrl;
  552. }
  553. void PMSM_FOC_Start(u8 nCtrlMode) {
  554. if (gFoc_Ctrl.in.b_motEnable) {
  555. return;
  556. }
  557. PMSM_FOC_CoreInit();
  558. eCtrl_Reset();
  559. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  560. gFoc_Ctrl.in.b_motEnable = true;
  561. }
  562. void PMSM_FOC_Stop(void) {
  563. if (!gFoc_Ctrl.in.b_motEnable) {
  564. return;
  565. }
  566. PMSM_FOC_CoreInit();
  567. gFoc_Ctrl.in.b_motEnable = false;
  568. }
  569. bool PMSM_FOC_Is_Start(void) {
  570. return gFoc_Ctrl.in.b_motEnable;
  571. }
  572. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  573. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  574. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  575. }
  576. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  577. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  578. }
  579. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  580. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  581. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  582. }else {
  583. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  584. }
  585. }
  586. float PMSM_FOC_GetDCCurrLimit(void) {
  587. return gFoc_Ctrl.userLim.s_iDCLim;
  588. }
  589. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  590. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  591. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  592. }
  593. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  594. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  595. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  596. }else {
  597. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  598. }
  599. }
  600. void PMSM_FOC_SpeedLimit(float speedLimit) {
  601. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  602. }
  603. void PMSM_FOC_SpeedDirectLimit(float limit) {
  604. PMSM_FOC_SpeedRampLimit(limit, 0);
  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. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  614. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  615. }
  616. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  617. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  618. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  619. }else {
  620. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  621. }
  622. }
  623. float PMSM_FOC_GetTorqueLimit(void) {
  624. return gFoc_Ctrl.userLim.s_torqueLim;
  625. }
  626. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  627. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  628. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  629. }
  630. float PMSM_FOC_GetEbrkTorque(void) {
  631. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  632. }
  633. float PMSM_FOC_GetVbusVoltage(void) {
  634. return gFoc_Ctrl.in.s_vDC;
  635. }
  636. float PMSM_FOC_GetVbusCurrent(void) {
  637. return gFoc_Ctrl.out.s_FilteriDC;
  638. }
  639. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  640. return &gFoc_Ctrl.out.s_RealIdq;
  641. }
  642. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  643. if (mode > CTRL_MODE_EBRAKE) {
  644. PMSM_FOC_SetErrCode(FOC_Param_Err);
  645. return false;
  646. }
  647. gFoc_Ctrl.in.n_ctlMode = mode;
  648. return true;
  649. }
  650. u8 PMSM_FOC_GetCtrlMode(void) {
  651. return gFoc_Ctrl.in.n_ctlMode;
  652. }
  653. void PMSM_FOC_PhaseCurrLim(float lim) {
  654. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  655. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  656. }
  657. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  658. }
  659. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  660. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  661. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  662. }
  663. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  664. }
  665. float PMSM_FOC_GetPhaseCurrLim(void) {
  666. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  667. }
  668. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  669. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  670. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  671. }
  672. bool PMSM_FOC_EnableCruise(bool enable) {
  673. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  674. float motSpd = PMSM_FOC_GetSpeed();
  675. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  676. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  677. return false;
  678. }
  679. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  680. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  681. gFoc_Ctrl.in.b_cruiseEna = enable;
  682. }
  683. return true;
  684. }
  685. bool PMSM_FOC_PauseCruise(void) {
  686. gFoc_Ctrl.in.b_cruiseEna = false;
  687. return true;
  688. }
  689. bool PMSM_FOC_ResumeCruise(void) {
  690. gFoc_Ctrl.in.b_cruiseEna = true;
  691. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  692. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  693. return true;
  694. }
  695. bool PMSM_FOC_Is_CruiseEnabled(void) {
  696. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  697. }
  698. bool PMSM_FOC_Set_Speed(float rpm) {
  699. if (gFoc_Ctrl.in.b_cruiseEna) {
  700. return false;
  701. }
  702. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  703. return true;
  704. }
  705. bool PMSM_FOC_Set_Current(float is) {
  706. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  707. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  708. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  709. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  710. }
  711. eCtrl_set_TgtCurrent(is);
  712. return true;
  713. }
  714. bool PMSM_FOC_Set_Torque(float trq) {
  715. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  716. trq = gFoc_Ctrl.userLim.s_torqueLim;
  717. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  718. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  719. }
  720. eCtrl_set_TgtTorque(trq);
  721. return true;
  722. }
  723. void PMSM_FOC_Reset_Torque(void) {
  724. float real_trq = PMSM_FOC_Get_Real_dqVector();
  725. eCtrl_reset_Torque(real_trq);
  726. }
  727. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  728. if (PMSM_FOC_Is_CruiseEnabled()) {
  729. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  730. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  731. return false;
  732. }
  733. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  734. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  735. return true;
  736. }
  737. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  738. return false;
  739. }
  740. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  741. if (enable) {
  742. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  743. gFoc_Ctrl.in.s_manualAngle = 0;
  744. }else {
  745. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  746. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  747. }
  748. }
  749. void PMSM_FOC_Set_Angle(float angle) {
  750. gFoc_Ctrl.in.s_manualAngle = (angle);
  751. }
  752. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  753. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  754. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  755. }
  756. float PMSM_FOC_GetSpeed(void) {
  757. return gFoc_Ctrl.in.s_motRPM;
  758. }
  759. void PMSM_FOC_AutoHold(bool lock) {
  760. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  761. motor_encoder_lock_pos(lock);
  762. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  763. if (!lock) {
  764. //解锁后为了防止倒溜,需要把当前
  765. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  766. #ifdef CONFIG_SPEED_LADRC
  767. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  768. #else
  769. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  770. #endif
  771. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  772. #ifdef CONFIG_SPEED_LADRC
  773. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  774. #else
  775. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  776. #endif
  777. }
  778. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  779. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  780. }else {
  781. gFoc_Ctrl.out.f_autohold_trq = 0;
  782. }
  783. gFoc_Ctrl.in.b_AutoHold = lock;
  784. }
  785. }
  786. bool PMSM_FOC_AutoHoldding(void) {
  787. return gFoc_Ctrl.in.b_AutoHold;
  788. }
  789. static PI_Controller *_pid(u8 id) {
  790. PI_Controller *pi = NULL;
  791. if (id == PID_D_id) {
  792. pi = &gFoc_Ctrl.pi_id;
  793. }else if (id == PID_Q_id) {
  794. pi = &gFoc_Ctrl.pi_iq;
  795. }else if (id == PID_TRQ_id) {
  796. #ifndef CONFIG_SPEED_LADRC
  797. pi = &gFoc_Ctrl.pi_torque;
  798. #endif
  799. }else if (id == PID_Spd_id) {
  800. #ifndef CONFIG_SPEED_LADRC
  801. pi = &gFoc_Ctrl.pi_speed;
  802. #endif
  803. }
  804. return pi;
  805. }
  806. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  807. if (id > PID_Max_id) {
  808. return;
  809. }
  810. PI_Controller *pi = _pid(id);
  811. if (pi != NULL) {
  812. pi->kp = kp;
  813. pi->ki = ki;
  814. pi->kd = kd;
  815. }
  816. }
  817. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  818. if (id > PID_Max_id) {
  819. return;
  820. }
  821. PI_Controller *pi = _pid(id);
  822. if (pi != NULL) {
  823. *kp = pi->kp;
  824. *ki = pi->ki;
  825. *kd = pi->kd;
  826. }
  827. }
  828. void PMSM_FOC_SetErrCode(u8 error) {
  829. if (gFoc_Ctrl.out.n_Error != error) {
  830. gFoc_Ctrl.out.n_Error = error;
  831. }
  832. }
  833. u8 PMSM_FOC_GetErrCode(void) {
  834. return gFoc_Ctrl.out.n_Error;
  835. }
  836. void PMSM_FOC_Set_PlotType(Plot_t t) {
  837. gFoc_Ctrl.plot_type = t;
  838. }
  839. //获取母线电流和实际输出电流矢量大小
  840. void PMSM_FOC_Calc_Current(void) {
  841. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  842. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  843. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  844. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  845. /*
  846. 根据公式(等幅值变换,功率不等):
  847. iDC x vDC = 2/3(iq x vq + id x vd);
  848. */
  849. float m_pow = (vd * id + vq * iq); //s32q10
  850. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  851. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  852. raw_idc = get_vbus_current();
  853. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  854. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  855. }
  856. void PMSM_FOC_Brake(bool brake) {
  857. gFoc_Ctrl.in.b_eBrake = brake;
  858. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  859. gFoc_Ctrl.in.b_cruiseEna = false;
  860. }
  861. eCtrl_brake_signal(brake);
  862. }