PMSM_FOC_Core.c 34 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034
  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/bsp_driver.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. float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  120. gFoc_Ctrl.pi_id.kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  121. gFoc_Ctrl.pi_id.ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  122. gFoc_Ctrl.pi_id.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  123. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  124. gFoc_Ctrl.pi_iq.kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  125. gFoc_Ctrl.pi_iq.ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  126. gFoc_Ctrl.pi_iq.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  127. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_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.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  131. gFoc_Ctrl.pi_power.DT = slow_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.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  135. gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts;
  136. #ifdef CONFIG_SPEED_LADRC
  137. ladrc_init(&gFoc_Ctrl.vel_lim_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  138. ladrc_init(&gFoc_Ctrl.vel_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  139. #else
  140. gFoc_Ctrl.pi_torque.kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  141. gFoc_Ctrl.pi_torque.ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  142. gFoc_Ctrl.pi_torque.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  143. gFoc_Ctrl.pi_torque.DT = slow_ctrl_ts;
  144. gFoc_Ctrl.pi_speed.kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  145. gFoc_Ctrl.pi_speed.ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  146. gFoc_Ctrl.pi_speed.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  147. gFoc_Ctrl.pi_speed.DT = slow_ctrl_ts;
  148. #endif
  149. }
  150. static void PMSM_FOC_UserInit(void) {
  151. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  152. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  153. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  154. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  155. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  156. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  157. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  158. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  159. gFoc_Ctrl.userLim.s_TorqueBrkLim = nv_get_foc_params()->s_TorqueBrkLim;
  160. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  161. }
  162. void PMSM_FOC_RT_LimInit(void) {
  163. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  164. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  165. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  166. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  167. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  168. }
  169. void PMSM_FOC_CoreInit(void) {
  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_MOTOR_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. //_DEBUG("User Limit:\n");
  186. //_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,
  187. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  188. //_DEBUG("Hw Limit:\n");
  189. //_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);
  190. }
  191. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  192. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  193. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  194. gFoc_Ctrl.params.lq = nv_get_motor_params()->lq;
  195. gFoc_Ctrl.params.ld = nv_get_motor_params()->ld;
  196. gFoc_Ctrl.params.flux = nv_get_motor_params()->flux_linkage;
  197. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  198. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  199. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  200. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  201. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  202. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  203. gFoc_Ctrl.out.f_vdqRation = 0;
  204. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  205. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  206. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  207. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  208. PMSM_FOC_Reset_PID();
  209. foc_observer_init();
  210. gFoc_Ctrl.plot_type = Plot_None;
  211. }
  212. //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */
  213. //#define Volvec_Delay_Comp /* 电压矢量角度补偿 */
  214. static __INLINE void PMSM_FOC_Update_Input(void) {
  215. AB_t iAB;
  216. float *iabc = gFoc_Ctrl.in.s_iABC;
  217. phase_current_get(iabc);
  218. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  219. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  220. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  221. gFoc_Ctrl.in.s_hallAngle = motor_encoder_get_angle();
  222. }else {
  223. gFoc_Ctrl.in.s_hallAngle = foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a, gFoc_Ctrl.out.s_OutVAB.b, iAB.a * 0.66667f, iAB.b * 0.66667f);
  224. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_hallAngle;
  225. }
  226. gFoc_Ctrl.in.s_motRPM = foc_observer_speed();
  227. LowPass_Filter(gFoc_Ctrl.in.s_motRPMFilted, gFoc_Ctrl.in.s_motRPM, 0.005f);
  228. gFoc_Ctrl.in.s_motVelDegreePers = gFoc_Ctrl.in.s_motRPM / 30.0f * PI * gFoc_Ctrl.params.n_poles;
  229. #ifdef CONFIG_DQ_STEP_RESPONSE
  230. gFoc_Ctrl.in.s_hallAngle = 0;
  231. gFoc_Ctrl.in.s_motAngle = 0;
  232. #endif
  233. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  234. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  235. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  236. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  237. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  238. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  239. #ifdef Volvec_Delay_Comp
  240. float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelDegreePers / PI * 180.0f * (FOC_CTRL_US - 2e-6f);
  241. rand_angle(next_angle);
  242. SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  243. #endif
  244. }
  245. #ifdef CONFIG_DQ_STEP_RESPONSE
  246. float target_d = 0.0f;
  247. float target_q = 0.0f;
  248. #endif
  249. static u32 PMSM_FOC_Debug_Task(void *p) {
  250. if (gFoc_Ctrl.in.b_motEnable) {
  251. #ifdef CONFIG_DQ_STEP_RESPONSE
  252. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  253. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  254. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  255. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  256. }
  257. #else
  258. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  259. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  260. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  261. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  262. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  263. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  264. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  265. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motRPM);
  266. }
  267. #endif
  268. }
  269. return 1;
  270. }
  271. static __INLINE void id_feedforward(float eW) {
  272. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  273. gFoc_Ctrl.in.s_targetVdq.d += -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW);
  274. gFoc_Ctrl.in.s_targetVdq.d = fclamp(gFoc_Ctrl.in.s_targetVdq.d, gFoc_Ctrl.pi_id.min, gFoc_Ctrl.pi_id.max);
  275. #endif
  276. }
  277. static __INLINE void iq_feedforward(float eW) {
  278. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  279. gFoc_Ctrl.in.s_targetVdq.q += (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW;
  280. gFoc_Ctrl.in.s_targetVdq.q = fclamp(gFoc_Ctrl.in.s_targetVdq.q, gFoc_Ctrl.pi_iq.min, gFoc_Ctrl.pi_iq.max);
  281. #endif
  282. }
  283. void PMSM_FOC_Schedule(void) {
  284. gFoc_Ctrl.ctrl_count++;
  285. PMSM_FOC_Update_Input();
  286. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  287. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  288. float max_vd = max_Vdc * SQRT3_BY_2;
  289. /* limiter Vd output for PI controller */
  290. gFoc_Ctrl.pi_id.max = max_vd;
  291. gFoc_Ctrl.pi_id.min = -max_vd;
  292. #ifndef CONFIG_DQ_STEP_RESPONSE
  293. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  294. #endif
  295. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  296. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  297. id_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  298. #ifdef UPDATE_Lq_By_iq
  299. /* update kp&ki from lq for iq PI controller */
  300. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  301. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  302. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  303. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  304. #endif
  305. /* limiter Vq output for PI controller */
  306. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  307. gFoc_Ctrl.pi_iq.max = max_vq;
  308. gFoc_Ctrl.pi_iq.min = -max_vq;
  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. iq_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  315. }else {
  316. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  317. float max_vd = max_Vdc * SQRT3_BY_2;
  318. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  319. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  320. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  321. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  322. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  323. }
  324. #if 0
  325. 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);
  326. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  327. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  328. #else
  329. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  330. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  331. #endif
  332. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  333. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  334. phase_current_point(&gFoc_Ctrl.out);
  335. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  336. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  337. if (gFoc_Ctrl.plot_type != Plot_None) {
  338. if (gFoc_Ctrl.ctrl_count % 5 == 0) {
  339. if (gFoc_Ctrl.plot_type == Plot_Phase_curr) {
  340. plot_3data16(FtoS16(gFoc_Ctrl.in.s_iABC[0]), FtoS16(gFoc_Ctrl.in.s_iABC[1]), FtoS16(gFoc_Ctrl.in.s_iABC[2]));
  341. }else if (gFoc_Ctrl.plot_type == Plot_Phase_vol) {
  342. plot_3data16(FtoS16(gFoc_Ctrl.in.s_vABC[0]), FtoS16(gFoc_Ctrl.in.s_vABC[1]), FtoS16(gFoc_Ctrl.in.s_vABC[2]));
  343. }else if (gFoc_Ctrl.plot_type == Plot_SMO_OBS) {
  344. #ifdef CONFIG_SMO_OBSERVER
  345. float smo_angle = foc_observer_sensorless_angle();
  346. float delta = smo_angle - gFoc_Ctrl.in.s_hallAngle;
  347. if (delta > 180) {
  348. delta -= 360;
  349. }else if (delta < -180) {
  350. delta += 360;
  351. }
  352. plot_3data16(gFoc_Ctrl.in.s_hallAngle, smo_angle, delta);
  353. #endif
  354. }
  355. }
  356. }
  357. }
  358. void PMSM_FOC_LogDebug(void) {
  359. sys_debug("DC curr %f, Lq %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.params.lq);
  360. }
  361. /*called in media task */
  362. u8 PMSM_FOC_CtrlMode(void) {
  363. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  364. if (!gFoc_Ctrl.in.b_motEnable) {
  365. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  366. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  367. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  368. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  369. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  370. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  371. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  372. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  373. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  374. }else {
  375. if (!gFoc_Ctrl.in.b_cruiseEna) {
  376. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  377. }
  378. }
  379. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  380. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  381. #ifdef CONFIG_SPEED_LADRC
  382. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  383. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  384. #else
  385. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  386. #endif
  387. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  388. #ifdef CONFIG_SPEED_LADRC
  389. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  390. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  391. #else
  392. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  393. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  394. target_troque = PMSM_FOC_Get_Real_dqVector();
  395. }
  396. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  397. #endif
  398. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  399. #ifdef CONFIG_SPEED_LADRC
  400. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque);
  401. #else
  402. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  403. #endif
  404. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  405. #if 0
  406. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  407. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  408. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  409. #else
  410. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  411. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  412. #endif
  413. }
  414. }
  415. return gFoc_Ctrl.out.n_RunMode;
  416. }
  417. static void crosszero_step_towards(float *value, float target) {
  418. float v_now = *value;
  419. bool cross_zero = false;
  420. if (target > 0) {
  421. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  422. step_towards(value, target, 0.05f);
  423. cross_zero = true;
  424. }
  425. }else if (target == 0) {
  426. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  427. step_towards(value, target, 0.05f);
  428. cross_zero = true;
  429. }
  430. }else {
  431. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  432. step_towards(value, target, 0.02f);
  433. cross_zero = true;
  434. }
  435. }
  436. if (!cross_zero) {
  437. *value = target;
  438. }
  439. }
  440. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  441. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  442. #if 1
  443. gFoc_Ctrl.pi_power.max = maxTrq;
  444. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  445. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  446. #else
  447. return maxTrq;
  448. #endif
  449. }
  450. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  451. #ifdef CONFIG_SPEED_LADRC
  452. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  453. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  454. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motRPM);
  455. #else
  456. #if 1
  457. gFoc_Ctrl.pi_torque->max = maxTrq;
  458. gFoc_Ctrl.pi_torque->min = 0;
  459. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motRPM;
  460. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  461. #else
  462. return maxTrq;
  463. #endif
  464. #endif
  465. }
  466. static __INLINE void PMSM_FOC_idq_Assign(void) {
  467. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  468. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  469. float s, c;
  470. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  471. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  472. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  473. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  474. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  475. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  476. }
  477. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  478. }else {
  479. gFoc_Ctrl.in.s_targetIdq.d = 0;
  480. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  481. }
  482. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  483. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  484. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motRPM, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  485. }
  486. u32 mask = cpu_enter_critical();
  487. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  488. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  489. cpu_exit_critical(mask);
  490. }
  491. /*called in media task */
  492. void PMSM_FOC_idqCalc(void) {
  493. if (gFoc_Ctrl.in.b_AutoHold) {
  494. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  495. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  496. float vel_count = motor_encoder_get_vel_count();
  497. float errRef = 0 - vel_count;
  498. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  499. PMSM_FOC_idq_Assign();
  500. return;
  501. }
  502. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  503. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  504. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  505. float maxTrq = eCtrl_get_RefTorque();
  506. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  507. maxTrq = 0;
  508. }
  509. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  510. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  511. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  512. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  513. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  514. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  515. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  516. float maxSpeed = eCtrl_get_FinalSpeed();
  517. float refSpeed = eCtrl_get_RefSpeed();
  518. if (gFoc_Ctrl.in.b_cruiseEna) {
  519. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  520. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  521. }
  522. #ifdef CONFIG_SPEED_LADRC
  523. if (maxSpeed >= 0) {
  524. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  525. }else if (maxSpeed < 0) {
  526. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  527. }
  528. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  529. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  530. }
  531. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  532. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motRPM);
  533. #else
  534. if (maxSpeed >= 0) {
  535. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  536. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  537. }else if (maxSpeed < 0) {
  538. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  539. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  540. }
  541. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motRPM < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  542. gFoc_Ctrl.pi_speed->max = 0;
  543. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  544. }
  545. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  546. float errRef = refSpeed - gFoc_Ctrl.in.s_motRPM;
  547. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  548. #endif
  549. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  550. }
  551. PMSM_FOC_idq_Assign();
  552. }
  553. bool PMSM_FOC_RunTime_Limit(void) {
  554. bool changed = false;
  555. float dc_lim = (float)vbus_current_vol_lower_limit();
  556. float torque_lim = (float)torque_temp_high_limit();
  557. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  558. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  559. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  560. changed = true;
  561. }
  562. return changed;
  563. }
  564. bool PMSM_FOC_iDC_is_Limited(void) {
  565. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  566. }
  567. bool PMSM_FOC_Torque_is_Limited(void) {
  568. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  569. }
  570. void PMSM_FOC_Slow_Task(void) {
  571. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  572. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  573. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  574. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  575. PMSM_FOC_idqCalc();
  576. }
  577. float PMSM_FOC_Get_Real_dqVector(void) {
  578. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  579. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  580. }
  581. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  582. }
  583. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  584. return &gFoc_Ctrl;
  585. }
  586. void PMSM_FOC_Start(u8 nCtrlMode) {
  587. if (gFoc_Ctrl.in.b_motEnable) {
  588. return;
  589. }
  590. PMSM_FOC_CoreInit();
  591. eCtrl_Reset();
  592. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  593. gFoc_Ctrl.in.b_motEnable = true;
  594. }
  595. void PMSM_FOC_Stop(void) {
  596. if (!gFoc_Ctrl.in.b_motEnable) {
  597. return;
  598. }
  599. PMSM_FOC_CoreInit();
  600. gFoc_Ctrl.in.b_motEnable = false;
  601. }
  602. bool PMSM_FOC_Is_Start(void) {
  603. return gFoc_Ctrl.in.b_motEnable;
  604. }
  605. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  606. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  607. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  608. }
  609. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  610. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  611. }
  612. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  613. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  614. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  615. }else {
  616. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  617. }
  618. }
  619. float PMSM_FOC_GetDCCurrLimit(void) {
  620. return gFoc_Ctrl.userLim.s_iDCLim;
  621. }
  622. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  623. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  624. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  625. }
  626. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  627. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  628. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  629. }else {
  630. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  631. }
  632. }
  633. void PMSM_FOC_SpeedLimit(float speedLimit) {
  634. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motRPM);
  635. }
  636. void PMSM_FOC_SpeedDirectLimit(float limit) {
  637. PMSM_FOC_SpeedRampLimit(limit, 0);
  638. }
  639. float PMSM_FOC_GetSpeedLimit(void) {
  640. return gFoc_Ctrl.userLim.s_motRPMLim;
  641. }
  642. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  643. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  644. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  645. }
  646. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  647. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  648. }
  649. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  650. if (ABS(gFoc_Ctrl.in.s_motRPM) <= CONFIG_ZERO_SPEED_RPM){
  651. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  652. }else {
  653. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  654. }
  655. }
  656. float PMSM_FOC_GetTorqueLimit(void) {
  657. return gFoc_Ctrl.userLim.s_torqueLim;
  658. }
  659. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  660. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  661. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  662. }
  663. float PMSM_FOC_GetEbrkTorque(void) {
  664. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  665. }
  666. float PMSM_FOC_GetVbusVoltage(void) {
  667. return gFoc_Ctrl.in.s_vDC;
  668. }
  669. float PMSM_FOC_GetVbusCurrent(void) {
  670. return gFoc_Ctrl.out.s_FilteriDC;
  671. }
  672. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  673. return &gFoc_Ctrl.out.s_RealIdq;
  674. }
  675. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  676. if (mode > CTRL_MODE_EBRAKE) {
  677. PMSM_FOC_SetErrCode(FOC_Param_Err);
  678. return false;
  679. }
  680. gFoc_Ctrl.in.n_ctlMode = mode;
  681. return true;
  682. }
  683. u8 PMSM_FOC_GetCtrlMode(void) {
  684. return gFoc_Ctrl.in.n_ctlMode;
  685. }
  686. void PMSM_FOC_PhaseCurrLim(float lim) {
  687. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  688. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  689. }
  690. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  691. }
  692. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  693. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  694. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  695. }
  696. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  697. }
  698. float PMSM_FOC_GetPhaseCurrLim(void) {
  699. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  700. }
  701. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  702. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  703. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  704. }
  705. bool PMSM_FOC_EnableCruise(bool enable) {
  706. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  707. float motSpd = PMSM_FOC_GetSpeed();
  708. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  709. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  710. return false;
  711. }
  712. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  713. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  714. gFoc_Ctrl.in.b_cruiseEna = enable;
  715. }
  716. return true;
  717. }
  718. bool PMSM_FOC_PauseCruise(void) {
  719. gFoc_Ctrl.in.b_cruiseEna = false;
  720. return true;
  721. }
  722. bool PMSM_FOC_ResumeCruise(void) {
  723. gFoc_Ctrl.in.b_cruiseEna = true;
  724. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  725. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  726. return true;
  727. }
  728. bool PMSM_FOC_Is_CruiseEnabled(void) {
  729. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  730. }
  731. bool PMSM_FOC_Set_Speed(float rpm) {
  732. if (gFoc_Ctrl.in.b_cruiseEna) {
  733. return false;
  734. }
  735. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  736. return true;
  737. }
  738. bool PMSM_FOC_Set_Current(float is) {
  739. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  740. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  741. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  742. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  743. }
  744. eCtrl_set_TgtCurrent(is);
  745. return true;
  746. }
  747. bool PMSM_FOC_Set_Torque(float trq) {
  748. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  749. trq = gFoc_Ctrl.userLim.s_torqueLim;
  750. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  751. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  752. }
  753. eCtrl_set_TgtTorque(trq);
  754. return true;
  755. }
  756. void PMSM_FOC_Reset_Torque(void) {
  757. float real_trq = PMSM_FOC_Get_Real_dqVector();
  758. eCtrl_reset_Torque(real_trq);
  759. }
  760. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  761. if (PMSM_FOC_Is_CruiseEnabled()) {
  762. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  763. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  764. return false;
  765. }
  766. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  767. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  768. return true;
  769. }
  770. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  771. return false;
  772. }
  773. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  774. if (enable) {
  775. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  776. gFoc_Ctrl.in.s_manualAngle = 0;
  777. }else {
  778. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  779. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  780. }
  781. }
  782. void PMSM_FOC_Set_Angle(float angle) {
  783. gFoc_Ctrl.in.s_manualAngle = (angle);
  784. }
  785. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  786. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  787. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  788. }
  789. float PMSM_FOC_GetSpeed(void) {
  790. return gFoc_Ctrl.in.s_motRPM;
  791. }
  792. void PMSM_FOC_AutoHold(bool lock) {
  793. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  794. motor_encoder_lock_pos(lock);
  795. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  796. if (!lock) {
  797. //解锁后为了防止倒溜,需要把当前
  798. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  799. #ifdef CONFIG_SPEED_LADRC
  800. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  801. #else
  802. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  803. #endif
  804. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  805. #ifdef CONFIG_SPEED_LADRC
  806. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  807. #else
  808. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  809. #endif
  810. }
  811. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  812. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  813. }else {
  814. gFoc_Ctrl.out.f_autohold_trq = 0;
  815. }
  816. gFoc_Ctrl.in.b_AutoHold = lock;
  817. }
  818. }
  819. bool PMSM_FOC_AutoHoldding(void) {
  820. return gFoc_Ctrl.in.b_AutoHold;
  821. }
  822. static PI_Controller *_pid(u8 id) {
  823. PI_Controller *pi = NULL;
  824. if (id == PID_D_id) {
  825. pi = &gFoc_Ctrl.pi_id;
  826. }else if (id == PID_Q_id) {
  827. pi = &gFoc_Ctrl.pi_iq;
  828. }else if (id == PID_TRQ_id) {
  829. #ifndef CONFIG_SPEED_LADRC
  830. pi = &gFoc_Ctrl.pi_torque;
  831. #endif
  832. }else if (id == PID_Spd_id) {
  833. #ifndef CONFIG_SPEED_LADRC
  834. pi = &gFoc_Ctrl.pi_speed;
  835. #endif
  836. }
  837. return pi;
  838. }
  839. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  840. if (id > PID_Max_id) {
  841. return;
  842. }
  843. PI_Controller *pi = _pid(id);
  844. if (pi != NULL) {
  845. pi->kp = kp;
  846. pi->ki = ki;
  847. pi->kd = kd;
  848. }
  849. }
  850. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  851. if (id > PID_Max_id) {
  852. return;
  853. }
  854. PI_Controller *pi = _pid(id);
  855. if (pi != NULL) {
  856. *kp = pi->kp;
  857. *ki = pi->ki;
  858. *kd = pi->kd;
  859. }
  860. }
  861. void PMSM_FOC_SetErrCode(u8 error) {
  862. if (gFoc_Ctrl.out.n_Error != error) {
  863. gFoc_Ctrl.out.n_Error = error;
  864. }
  865. }
  866. u8 PMSM_FOC_GetErrCode(void) {
  867. return gFoc_Ctrl.out.n_Error;
  868. }
  869. void PMSM_FOC_Set_PlotType(Plot_t t) {
  870. gFoc_Ctrl.plot_type = t;
  871. }
  872. //获取母线电流和实际输出电流矢量大小
  873. void PMSM_FOC_Calc_Current(void) {
  874. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  875. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  876. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  877. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  878. /*
  879. 根据公式(等幅值变换,功率不等):
  880. iDC x vDC = 2/3(iq x vq + id x vd);
  881. */
  882. float m_pow = (vd * id + vq * iq); //s32q10
  883. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  884. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  885. raw_idc = get_vbus_current();
  886. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  887. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  888. }
  889. void PMSM_FOC_Brake(bool brake) {
  890. gFoc_Ctrl.in.b_eBrake = brake;
  891. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  892. gFoc_Ctrl.in.b_cruiseEna = false;
  893. }
  894. eCtrl_brake_signal(brake);
  895. }