PMSM_FOC_Core.c 39 KB

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  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/core/F_Calc.h"
  14. #include "foc/samples.h"
  15. #include "foc/limit.h"
  16. #include "foc/mc_error.h"
  17. #include "app/nv_storage.h"
  18. #include "bsp/bsp_driver.h"
  19. #include "libs/logger.h"
  20. #include "math/fir.h"
  21. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  22. PMSM_FOC_Ctrl gFoc_Ctrl;
  23. static bool g_focinit = false;
  24. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  25. float c,s;
  26. #if 0
  27. SinCos_Lut(angle, &s, &c);
  28. #else
  29. s = gFoc_Ctrl.out.sin;
  30. c = gFoc_Ctrl.out.cos;
  31. #endif
  32. alpha_beta->a = dq->d * c - dq->q * s;
  33. alpha_beta->b = dq->d * s + dq->q * c;
  34. }
  35. static __INLINE void RevClark(AB_t *alpha_beta, float *ABC){
  36. ABC[0] = alpha_beta->a;
  37. ABC[1] = -alpha_beta->a * 0.5f + alpha_beta->b * SQRT3_BY_2;
  38. ABC[2] = -alpha_beta->a * 0.5f - alpha_beta->b * SQRT3_BY_2;
  39. }
  40. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  41. alpha_beta->a = A;
  42. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  43. }
  44. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  45. float c,s;
  46. #if 0
  47. SinCos_Lut(angle, &s, &c);
  48. #else
  49. s = gFoc_Ctrl.out.sin;
  50. c = gFoc_Ctrl.out.cos;
  51. #endif
  52. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  53. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  54. }
  55. void PMSM_FOC_ABC2Dq(float a, float b, float c, float *d, float *q) {
  56. AB_t ab;
  57. DQ_t dq;
  58. Clark(a, b, c, &ab);
  59. Park(&ab, 0, &dq);
  60. *d = dq.d;
  61. *q = dq.q;
  62. }
  63. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  64. float cp = c->s_Cp;
  65. c->s_FinalTgt = target;
  66. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  67. }
  68. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  69. if (++c->n_StepCount == c->n_CtrlCount) {
  70. c->s_Cp += c->s_Step;
  71. if (c->s_Step < 0) {
  72. if (c->s_Cp < c->s_FinalTgt) {
  73. c->s_Cp = c->s_FinalTgt;
  74. }
  75. }else {
  76. if (c->s_Cp > c->s_FinalTgt) {
  77. c->s_Cp = c->s_FinalTgt;
  78. }
  79. }
  80. c->n_StepCount = 0;
  81. }
  82. return c->s_Cp;
  83. }
  84. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  85. c->n_CtrlCount = count;
  86. c->n_StepCount = 0;
  87. c->s_Cp = 0;
  88. c->s_FinalTgt = 0;
  89. c->s_Step = 0;
  90. }
  91. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  92. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  93. }
  94. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  95. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  96. }
  97. static void PMSM_FOC_Reset_PID(void) {
  98. PI_Controller_Reset(&gFoc_Ctrl.pi_id, 0);
  99. PI_Controller_Reset(&gFoc_Ctrl.pi_iq, 0);
  100. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  101. PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0);
  102. #ifdef CONFIG_SPEED_LADRC
  103. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  104. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  105. #else
  106. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, 0);
  107. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, 0);
  108. #endif
  109. }
  110. static void PMSM_FOC_Conf_PID(void) {
  111. float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  112. gFoc_Ctrl.pi_id.kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  113. gFoc_Ctrl.pi_id.ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  114. gFoc_Ctrl.pi_id.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  115. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  116. gFoc_Ctrl.pi_iq.kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  117. gFoc_Ctrl.pi_iq.ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  118. gFoc_Ctrl.pi_iq.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  119. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  120. gFoc_Ctrl.pi_power.kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  121. gFoc_Ctrl.pi_power.ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  122. gFoc_Ctrl.pi_power.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  123. gFoc_Ctrl.pi_power.DT = slow_ctrl_ts;
  124. gFoc_Ctrl.pi_lock.kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  125. gFoc_Ctrl.pi_lock.ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  126. gFoc_Ctrl.pi_lock.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  127. gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts;
  128. #ifdef CONFIG_SPEED_LADRC
  129. 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);
  130. ladrc_init(&gFoc_Ctrl.vel_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_Wo, nv_get_foc_params()->f_adrc_vel_Wcv, nv_get_foc_params()->f_adrc_vel_B0);
  131. #else
  132. gFoc_Ctrl.pi_vel_lim.kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  133. gFoc_Ctrl.pi_vel_lim.ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  134. gFoc_Ctrl.pi_vel_lim.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  135. gFoc_Ctrl.pi_vel_lim.DT = slow_ctrl_ts;
  136. gFoc_Ctrl.pi_vel.kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  137. gFoc_Ctrl.pi_vel.ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  138. gFoc_Ctrl.pi_vel.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  139. gFoc_Ctrl.pi_vel.DT = slow_ctrl_ts;
  140. #endif
  141. }
  142. static void PMSM_FOC_UserInit(void) {
  143. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  144. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  145. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  146. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  147. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  148. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  149. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  150. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  151. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  152. }
  153. void PMSM_FOC_RT_LimInit(void) {
  154. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  155. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  156. eRamp_init_target2(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME);
  157. eRamp_init_target2(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME);
  158. eRamp_init_target2(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME);
  159. }
  160. void PMSM_FOC_CoreInit(void) {
  161. PMSM_FOC_Conf_PID();
  162. memset(&gFoc_Ctrl.in, 0, sizeof(FOC_InP));
  163. memset(&gFoc_Ctrl.out, 0, sizeof(FOC_OutP));
  164. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  165. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  166. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  167. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  168. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  169. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  170. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  171. if (!g_focinit) {
  172. PMSM_FOC_UserInit();
  173. PMSM_FOC_RT_LimInit();
  174. g_focinit = true;
  175. //_DEBUG("User Limit:\n");
  176. //_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,
  177. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  178. //_DEBUG("Hw Limit:\n");
  179. //_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);
  180. }
  181. gFoc_Ctrl.userLim.s_TorqueBrkLim = mc_get_ebrk_torque();
  182. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  183. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  184. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  185. gFoc_Ctrl.params.lq = nv_get_motor_params()->lq;
  186. gFoc_Ctrl.params.ld = nv_get_motor_params()->ld;
  187. gFoc_Ctrl.params.flux = nv_get_motor_params()->flux_linkage;
  188. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  189. gFoc_Ctrl.in.s_dqAngle = 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. gFoc_Ctrl.in.s_angleLast = INVALID_ANGLE;
  193. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  194. gFoc_Ctrl.out.f_vdqRation = 0;
  195. eRamp_init_target2(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_CRUISE_RAMP_TIME);
  196. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  197. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  198. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  199. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  200. PMSM_FOC_Reset_PID();
  201. foc_observer_init();
  202. gFoc_Ctrl.plot_type = Plot_None;
  203. }
  204. #define CONFIG_PEAK_CNT 3 //计算经过的电周期内的最大值(peak 峰值)
  205. #define CONFIG_PHASE_UNBALANCE_THROLD 4.0F
  206. #define CONFIG_PHASE_UNBALANCE_R 0.1F
  207. static float phase_unbalance_r = 0.0f;
  208. static float phase_a_max, phase_b_max, phase_c_max;
  209. static u32 phase_unbalance_cnt;
  210. static __INLINE void PMSM_FOC_Phase_Unbalance(void) {
  211. static u32 _cycle_cnt = 0, _last_mod_cnt = 0;
  212. static float a_max = 0, b_max = 0, c_max = 0;
  213. static u32 _unbalance_cnt = 0;
  214. static u32 _unbalance_time = 0;
  215. float lowpass = gFoc_Ctrl.in.s_motVelRadusPers * FOC_CTRL_US / 2.0f;
  216. if (lowpass > 1.0f) {
  217. lowpass = 1.0f;
  218. }
  219. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], lowpass);
  220. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], lowpass);
  221. gFoc_Ctrl.in.s_iABCFilter[2] = -(gFoc_Ctrl.in.s_iABCFilter[0] + gFoc_Ctrl.in.s_iABCFilter[1]);
  222. if ((gFoc_Ctrl.in.s_angleLast == INVALID_ANGLE) || (gFoc_Ctrl.in.s_motVelRadusPers < 100)) {
  223. gFoc_Ctrl.in.s_angleLast = gFoc_Ctrl.in.s_motAngle;
  224. a_max = b_max = c_max = 0;
  225. _unbalance_cnt = 0;
  226. _unbalance_time = get_tick_ms();
  227. _cycle_cnt = 0;
  228. _last_mod_cnt = 0;
  229. phase_unbalance_r = 0;
  230. return;
  231. }
  232. float delta_angle = gFoc_Ctrl.in.s_motAngle - gFoc_Ctrl.in.s_angleLast;
  233. if (delta_angle > 200 || delta_angle < -200) { //one cycle
  234. _cycle_cnt ++;
  235. }
  236. gFoc_Ctrl.in.s_angleLast = gFoc_Ctrl.in.s_motAngle;
  237. u32 mod_cnt = _cycle_cnt % CONFIG_PEAK_CNT;
  238. bool trigger = false;
  239. if ((mod_cnt == 0) && (_last_mod_cnt != mod_cnt)) {
  240. trigger = true;
  241. }
  242. _last_mod_cnt = mod_cnt;
  243. a_max = MAX(a_max, gFoc_Ctrl.in.s_iABCFilter[0] * (2.2f));
  244. b_max = MAX(b_max, gFoc_Ctrl.in.s_iABCFilter[1] * (2.2f));
  245. c_max = MAX(c_max, gFoc_Ctrl.in.s_iABCFilter[2] * (2.2f));
  246. if (trigger) { //经过CONFIG_PEAK_CNT个周期,已经得到peak值
  247. float i_min = 1000.0f, i_max = 0;
  248. if (a_max > i_max) {
  249. i_max = a_max;
  250. }
  251. if (a_max < i_min) {
  252. i_min = a_max;
  253. }
  254. if (b_max > i_max) {
  255. i_max = b_max;
  256. }
  257. if (b_max < i_min) {
  258. i_min = b_max;
  259. }
  260. if (c_max > i_max) {
  261. i_max = c_max;
  262. }
  263. if (c_max < i_min) {
  264. i_min = c_max;
  265. }
  266. float unbalance_r = (i_max - i_min - CONFIG_PHASE_UNBALANCE_THROLD)/(i_max + 1e-8f);
  267. if (unbalance_r >= CONFIG_PHASE_UNBALANCE_R) {
  268. if ((_unbalance_cnt++ >= 1000) || (get_delta_ms(_unbalance_time) >= 1000*10)) {
  269. if (mc_set_critical_error(FOC_CRIT_PHASE_UNBalance_Err)) {
  270. mc_crit_err_add(FOC_CRIT_PHASE_UNBalance_Err, (s16)i_max, (s16)i_min);
  271. }
  272. }
  273. }else {
  274. _unbalance_cnt = 0;
  275. _unbalance_time = get_tick_ms();
  276. }
  277. phase_unbalance_r = unbalance_r;
  278. phase_a_max = a_max;
  279. phase_b_max = b_max;
  280. phase_c_max = c_max;
  281. phase_unbalance_cnt = _unbalance_cnt;
  282. a_max = b_max = c_max = 0;
  283. }
  284. }
  285. /* 死区补偿 */
  286. static __INLINE void PMSM_FOC_DeadTime_Compensate(s32 PWM_Half_Period) {
  287. #ifdef CONFIG_START_LINE_DTC_CURRENT
  288. float deadTime = (float)CONFIG_HW_DeadTime/2.0f;
  289. s32 dutyDTCA = 0;
  290. s32 dutyDTCB = 0;
  291. s32 dutyDTCC = 0;
  292. float r, delta;
  293. float iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[0]);
  294. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  295. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  296. r = delta / (CONFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  297. if (r > 1.0f) {
  298. r = 1.0f;
  299. }
  300. if (gFoc_Ctrl.in.s_iABC_DT[0] < 0) {
  301. r = -r;
  302. }
  303. dutyDTCA = (s32)(r * deadTime);
  304. }
  305. iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[1]);
  306. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  307. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  308. r = delta / (CONFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  309. if (r > 1.0f) {
  310. r = 1.0f;
  311. }
  312. if (gFoc_Ctrl.in.s_iABC_DT[1] < 0) {
  313. r = -r;
  314. }
  315. dutyDTCB = (s32)(r * deadTime);
  316. }
  317. iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[2]);
  318. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  319. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  320. r = delta / (CONFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  321. if (r > 1.0f) {
  322. r = 1.0f;
  323. }
  324. if (gFoc_Ctrl.in.s_iABC_DT[2] < 0) {
  325. r = -r;
  326. }
  327. dutyDTCC = (s32)(r * deadTime);
  328. }
  329. s32 dutyA = (s32)gFoc_Ctrl.out.n_Duty[0] + dutyDTCA;
  330. s32 dutyB = (s32)gFoc_Ctrl.out.n_Duty[1] + dutyDTCB;
  331. s32 dutyC = (s32)gFoc_Ctrl.out.n_Duty[2] + dutyDTCC;
  332. gFoc_Ctrl.out.n_Duty[0] = sclamp(dutyA, 0, PWM_Half_Period);
  333. gFoc_Ctrl.out.n_Duty[1] = sclamp(dutyB, 0, PWM_Half_Period);
  334. gFoc_Ctrl.out.n_Duty[2] = sclamp(dutyC, 0, PWM_Half_Period);
  335. #endif
  336. }
  337. //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */
  338. #define CONFIG_Volvec_Delay_Comp /* 电压矢量角度补偿 */
  339. #define CONFIG_Volvec_Delay_Comp_Start_Vel 500 // rpm
  340. static float encoder_angle,obser_angle, obser_vel = 111111;
  341. static __INLINE bool PMSM_FOC_Update_Input(void) {
  342. AB_t iAB;
  343. float *iabc = gFoc_Ctrl.in.s_iABC;
  344. phase_current_get(iabc);
  345. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  346. foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a * TWO_BY_THREE, gFoc_Ctrl.out.s_OutVAB.b * TWO_BY_THREE, iAB.a, iAB.b);
  347. float enc_angle = motor_encoder_get_angle();
  348. float enc_vel = motor_encoder_get_speed();
  349. if (!foc_observer_diagnostic(enc_angle, enc_vel)){
  350. /* detect encoder angle error, do something here */
  351. if (!foc_observer_sensorless_stable()) {
  352. gFoc_Ctrl.in.s_motVelocity = 0;
  353. return false;
  354. }
  355. if (obser_vel == 111111) {
  356. obser_vel = foc_observer_sensorless_speed();
  357. obser_angle = foc_observer_sensorless_angle();
  358. encoder_angle = enc_angle;
  359. }
  360. enc_angle = foc_observer_sensorless_angle();
  361. enc_vel = foc_observer_sensorless_speed();
  362. }
  363. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  364. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  365. }else {
  366. gFoc_Ctrl.in.s_motAngle = enc_angle;
  367. }
  368. gFoc_Ctrl.in.s_motVelocity = enc_vel;
  369. LowPass_Filter(gFoc_Ctrl.in.s_motVelocityFiltered, gFoc_Ctrl.in.s_motVelocity, 0.01f);
  370. gFoc_Ctrl.in.s_motVelRadusPers = gFoc_Ctrl.in.s_motVelocityFiltered / 30.0f * PI * gFoc_Ctrl.params.n_poles;
  371. PMSM_FOC_Phase_Unbalance();
  372. #ifdef CONFIG_DQ_STEP_RESPONSE
  373. gFoc_Ctrl.in.s_motAngle = 0;
  374. #endif
  375. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  376. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  377. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  378. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  379. float lowpass = gFoc_Ctrl.in.s_motVelRadusPers * FOC_CTRL_US * 2.0f;
  380. if (lowpass > 1.0f) {
  381. lowpass = 1.0f;
  382. }else if (lowpass <= 0.0001f) {
  383. lowpass = 0.001f;
  384. }
  385. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, lowpass);
  386. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, lowpass);
  387. /* 使用低通后的dq电流重新变换得到abc电流,给死区补偿使用 */
  388. RevPark(&gFoc_Ctrl.out.s_FilterIdq, gFoc_Ctrl.in.s_motAngle, &iAB);
  389. RevClark(&iAB, gFoc_Ctrl.in.s_iABC_DT);
  390. #ifdef CONFIG_START_LINE_DTC_CURRENT
  391. gFoc_Ctrl.out.s_OutVdqDTC.d = 0;
  392. gFoc_Ctrl.out.s_OutVdqDTC.q = 0;
  393. #else
  394. AB_t vAB;
  395. vAB.a = (1.0f / 3.0f) * (2.0f * SIGN(gFoc_Ctrl.in.s_iABC_DT[0]) - SIGN(gFoc_Ctrl.in.s_iABC_DT[1]) - SIGN(gFoc_Ctrl.in.s_iABC_DT[2]));
  396. vAB.b = ONE_BY_SQRT3 * (SIGN(gFoc_Ctrl.in.s_iABC_DT[1]) - SIGN(gFoc_Ctrl.in.s_iABC_DT[2]));
  397. float dtc = ((float)CONFIG_HW_DeadTime/(float)FOC_PWM_Half_Period) * gFoc_Ctrl.in.s_vDC;
  398. vAB.a = vAB.a * dtc;
  399. vAB.b = vAB.b * dtc;
  400. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVdqDTC); //used for vbus current calc
  401. #endif
  402. #ifdef CONFIG_Volvec_Delay_Comp
  403. if (gFoc_Ctrl.in.s_motVelocityFiltered >= CONFIG_Volvec_Delay_Comp_Start_Vel) {
  404. float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelRadusPers / PI * 180.0f * (FOC_CTRL_US * 0.8f);
  405. rand_angle(next_angle);
  406. SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  407. }
  408. #endif
  409. return true;
  410. }
  411. #ifdef CONFIG_DQ_STEP_RESPONSE
  412. float target_d = 0.0f;
  413. float target_q = 0.0f;
  414. #endif
  415. static __INLINE float id_feedforward(float eW) {
  416. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  417. return -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW);
  418. #else
  419. return 0;
  420. #endif
  421. }
  422. static __INLINE float iq_feedforward(float eW) {
  423. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  424. return (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW;
  425. #else
  426. return 0;
  427. #endif
  428. }
  429. bool PMSM_FOC_Schedule(void) {
  430. gFoc_Ctrl.ctrl_count++;
  431. if (!PMSM_FOC_Update_Input()){
  432. return false;
  433. }
  434. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  435. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  436. float max_vd = max_Vdc * SQRT3_BY_2;
  437. /* limiter Vd output for PI controller */
  438. gFoc_Ctrl.pi_id.max = max_vd;
  439. gFoc_Ctrl.pi_id.min = -max_vd;
  440. #ifndef CONFIG_DQ_STEP_RESPONSE
  441. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  442. #endif
  443. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  444. float id_ff = id_feedforward(gFoc_Ctrl.in.s_motVelRadusPers);
  445. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_Current(&gFoc_Ctrl.pi_id, err, id_ff);
  446. #ifdef UPDATE_Lq_By_iq
  447. /* update kp&ki from lq for iq PI controller */
  448. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  449. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  450. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  451. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  452. #endif
  453. /* limiter Vq output for PI controller */
  454. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  455. gFoc_Ctrl.pi_iq.max = max_vq;
  456. gFoc_Ctrl.pi_iq.min = -max_vq;
  457. #ifndef CONFIG_DQ_STEP_RESPONSE
  458. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  459. #endif
  460. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  461. float iq_ff = iq_feedforward(gFoc_Ctrl.in.s_motVelRadusPers);
  462. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_Current(&gFoc_Ctrl.pi_iq, err, iq_ff);
  463. }else {
  464. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  465. float max_vd = max_Vdc * SQRT3_BY_2;
  466. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  467. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  468. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  469. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  470. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  471. }
  472. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  473. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  474. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  475. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  476. PMSM_FOC_DeadTime_Compensate((s32)FOC_PWM_Half_Period);
  477. phase_current_point(&gFoc_Ctrl.out);
  478. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  479. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  480. return true;
  481. }
  482. void PMSM_FOC_LogDebug(void) {
  483. sys_debug("DC curr %f --- %f, - %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.out.s_FilteriDC, gFoc_Ctrl.userLim.s_iDCLim);
  484. sys_debug("%s\n", gFoc_Ctrl.out.empty_load?"NoLoad Running":"Load Runing");
  485. sys_debug("unbalance: %d, %f, %f, %f, %f\n", phase_unbalance_cnt, phase_unbalance_r, phase_a_max, phase_b_max, phase_c_max);
  486. if (obser_vel != 111111) {
  487. sys_debug("AB error: %f,%f,%f\n", obser_angle, encoder_angle, obser_vel);
  488. }
  489. }
  490. /*called in media task */
  491. u8 PMSM_FOC_CtrlMode(void) {
  492. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  493. if (!gFoc_Ctrl.in.b_motEnable) {
  494. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  495. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  496. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  497. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  498. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  499. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  500. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  501. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  502. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  503. }else {
  504. if (!gFoc_Ctrl.in.b_cruiseEna) {
  505. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  506. }
  507. }
  508. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  509. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  510. #ifdef CONFIG_SPEED_LADRC
  511. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  512. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  513. #else
  514. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, gFoc_Ctrl.in.s_targetTorque);
  515. #endif
  516. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  517. #ifdef CONFIG_SPEED_LADRC
  518. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  519. #else
  520. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, gFoc_Ctrl.in.s_targetTorque);
  521. #endif
  522. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  523. #ifdef CONFIG_SPEED_LADRC
  524. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  525. #else
  526. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, gFoc_Ctrl.in.s_targetTorque);
  527. #endif
  528. }else if ((preMode != gFoc_Ctrl.out.n_RunMode) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  529. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  530. eCtrl_set_TgtTorque(motor_get_ebreak_toruqe(gFoc_Ctrl.in.s_motVelocity));
  531. }else if ((preMode == CTRL_MODE_EBRAKE) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  532. #ifdef CONFIG_SPEED_LADRC
  533. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, F_get_air());
  534. #else
  535. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, F_get_air());
  536. #endif
  537. }
  538. }
  539. return gFoc_Ctrl.out.n_RunMode;
  540. }
  541. #define RAMPE_1 CONFIG_RAMP_FIRST_TARGET
  542. #define NORMAL_STEP 3.0F
  543. static void crosszero_step_towards(float *value, float target) {
  544. static float no_cro_step = NORMAL_STEP;
  545. float v_now = *value;
  546. bool cross_zero = false;
  547. float high_ramp_torque = CONFIG_RAMP_SECOND_TARGET;
  548. if (target > 0) {
  549. if (v_now < -RAMPE_1) {
  550. step_towards(value, -RAMPE_1 + 0.001f, NORMAL_STEP);
  551. cross_zero = true;
  552. }else if (v_now >= -RAMPE_1 && v_now <= high_ramp_torque) {
  553. step_towards(value, target, 0.03f);
  554. cross_zero = true;
  555. }
  556. }else if (target == 0) {
  557. if (v_now > high_ramp_torque) {
  558. step_towards(value, high_ramp_torque - 0.001f, NORMAL_STEP);
  559. cross_zero = true;
  560. }else if (v_now >= RAMPE_1 && v_now <= high_ramp_torque) {
  561. step_towards(value, target, 0.03f);
  562. cross_zero = true;
  563. }
  564. }else {
  565. if (v_now > high_ramp_torque) {
  566. step_towards(value, high_ramp_torque - 0.001f, NORMAL_STEP);
  567. cross_zero = true;
  568. }else if (v_now >= -RAMPE_1 && v_now <= high_ramp_torque) {
  569. step_towards(value, target, 0.03f);
  570. cross_zero = true;
  571. }
  572. }
  573. if (!cross_zero) {
  574. step_towards(&no_cro_step, NORMAL_STEP, 0.1f);
  575. step_towards(value, target, no_cro_step);
  576. }else {
  577. no_cro_step = 0.5f;
  578. }
  579. }
  580. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  581. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  582. #if 1
  583. gFoc_Ctrl.pi_power.max = maxTrq;
  584. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  585. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  586. #else
  587. return maxTrq;
  588. #endif
  589. }
  590. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  591. #ifdef CONFIG_SPEED_LADRC
  592. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  593. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  594. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motVelocity);
  595. #else
  596. gFoc_Ctrl.pi_vel_lim.max = maxTrq;
  597. gFoc_Ctrl.pi_vel_lim.min = 0;
  598. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motVelocity;
  599. return PI_Controller_RunVel(&gFoc_Ctrl.pi_vel_lim, err);
  600. #endif
  601. }
  602. static __INLINE void PMSM_FOC_idq_Assign(void) {
  603. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  604. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_dqAngle != INVALID_ANGLE)) {
  605. float s, c;
  606. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_dqAngle + 90.0f), &s, &c);
  607. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  608. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  609. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  610. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  611. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  612. }
  613. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  614. if (s < 0) {
  615. gFoc_Ctrl.in.s_targetIdq.q = -gFoc_Ctrl.in.s_targetIdq.q;
  616. }
  617. }else {
  618. gFoc_Ctrl.in.s_targetIdq.d = 0;
  619. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  620. }
  621. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  622. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  623. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  624. }
  625. u32 mask = cpu_enter_critical();
  626. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  627. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  628. cpu_exit_critical(mask);
  629. }
  630. /*called in media task */
  631. void PMSM_FOC_idqCalc(void) {
  632. if (gFoc_Ctrl.in.b_AutoHold) {
  633. float hold_torque = min(gFoc_Ctrl.protLim.s_TorqueLim, CONFIG_MAX_LOCK_TORQUE);
  634. gFoc_Ctrl.pi_lock.max = hold_torque;
  635. gFoc_Ctrl.pi_lock.min = -hold_torque;
  636. float vel_count = motor_encoder_get_vel_count();
  637. float errRef = 0 - vel_count;
  638. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  639. PMSM_FOC_idq_Assign();
  640. return;
  641. }
  642. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  643. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  644. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  645. float maxTrq = eCtrl_get_RefTorque();
  646. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  647. maxTrq = 0;
  648. }
  649. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  650. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  651. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  652. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  653. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  654. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  655. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  656. float maxSpeed = eCtrl_get_FinalSpeed();
  657. float refSpeed = eCtrl_get_RefSpeed();
  658. if (gFoc_Ctrl.in.b_cruiseEna) {
  659. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  660. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  661. }
  662. #ifdef CONFIG_SPEED_LADRC
  663. if (maxSpeed >= 0) {
  664. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  665. }else if (maxSpeed < 0) {
  666. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  667. }
  668. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  669. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  670. }
  671. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  672. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motVelocity);
  673. #else
  674. if (maxSpeed >= 0) {
  675. gFoc_Ctrl.pi_vel.max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);
  676. gFoc_Ctrl.pi_vel.min = -CONFIG_MAX_NEG_TORQUE;
  677. }else if (maxSpeed < 0) {
  678. gFoc_Ctrl.pi_vel.min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);
  679. gFoc_Ctrl.pi_vel.max = CONFIG_MAX_NEG_TORQUE;
  680. }
  681. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  682. gFoc_Ctrl.pi_vel.max = 0;
  683. gFoc_Ctrl.pi_vel.min = 0; //防止倒转
  684. }
  685. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  686. float errRef = refSpeed - gFoc_Ctrl.in.s_motVelocity;
  687. float maxTrq = PI_Controller_RunVel(&gFoc_Ctrl.pi_vel, errRef);
  688. #endif
  689. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  690. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  691. }
  692. PMSM_FOC_idq_Assign();
  693. }
  694. u8 PMSM_FOC_RunTime_Limit(void) {
  695. u8 changed = FOC_LIM_NO_CHANGE;
  696. float dc_lim = (float)vbus_under_vol_limit();
  697. float torque_lim = (float)min(mos_temp_high_limit(), motor_temp_high_limit());
  698. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  699. if ((dc_lim > gFoc_Ctrl.protLim.s_iDCLim) || (torque_lim > gFoc_Ctrl.protLim.s_TorqueLim)) {
  700. changed = FOC_LIM_CHANGE_H;
  701. }else {
  702. changed = FOC_LIM_CHANGE_L;
  703. }
  704. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  705. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  706. }
  707. return changed;
  708. }
  709. bool PMSM_FOC_iDC_is_Limited(void) {
  710. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  711. }
  712. bool PMSM_FOC_Torque_is_Limited(void) {
  713. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  714. }
  715. void PMSM_FOC_Slow_Task(void) {
  716. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  717. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  718. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  719. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  720. PMSM_FOC_idqCalc();
  721. }
  722. void PMSM_FOC_Change_VelLoop_Params(float wcv, float b0) {
  723. #ifdef CONFIG_SPEED_LADRC
  724. ladrc_change_b0(&gFoc_Ctrl.vel_adrc, b0);
  725. ladrc_change_K(&gFoc_Ctrl.vel_adrc, wcv);
  726. #else
  727. PI_Controller_Change_Kpi(&gFoc_Ctrl.pi_vel, wcv, b0);
  728. #endif
  729. }
  730. void PMSM_FOC_Change_TrqLoop_Params(float wcv, float b0) {
  731. #ifdef CONFIG_SPEED_LADRC
  732. ladrc_change_b0(&gFoc_Ctrl.vel_lim_adrc, b0);
  733. ladrc_change_K(&gFoc_Ctrl.vel_lim_adrc, wcv);
  734. #else
  735. PI_Controller_Change_Kpi(&gFoc_Ctrl.pi_vel_lim, wcv, b0);
  736. #endif
  737. }
  738. float PMSM_FOC_Get_Real_dqVector(void) {
  739. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  740. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  741. }
  742. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  743. }
  744. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  745. return &gFoc_Ctrl;
  746. }
  747. void PMSM_FOC_Start(u8 nCtrlMode) {
  748. if (gFoc_Ctrl.in.b_motEnable) {
  749. return;
  750. }
  751. PMSM_FOC_CoreInit();
  752. eCtrl_Reset();
  753. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  754. gFoc_Ctrl.in.b_motEnable = true;
  755. }
  756. void PMSM_FOC_Stop(void) {
  757. if (!gFoc_Ctrl.in.b_motEnable) {
  758. return;
  759. }
  760. PMSM_FOC_CoreInit();
  761. gFoc_Ctrl.in.b_motEnable = false;
  762. }
  763. bool PMSM_FOC_Is_Start(void) {
  764. return gFoc_Ctrl.in.b_motEnable;
  765. }
  766. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  767. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  768. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  769. }
  770. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  771. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  772. }
  773. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  774. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  775. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  776. }else {
  777. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  778. }
  779. }
  780. float PMSM_FOC_GetDCCurrLimit(void) {
  781. return gFoc_Ctrl.userLim.s_iDCLim;
  782. }
  783. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  784. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  785. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  786. }
  787. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  788. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  789. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  790. }else {
  791. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  792. }
  793. }
  794. void PMSM_FOC_SpeedLimit(float speedLimit) {
  795. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motVelocity);
  796. }
  797. void PMSM_FOC_SpeedDirectLimit(float limit) {
  798. PMSM_FOC_SpeedRampLimit(limit, 0);
  799. }
  800. float PMSM_FOC_GetSpeedLimit(void) {
  801. return gFoc_Ctrl.userLim.s_motRPMLim;
  802. }
  803. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  804. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  805. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  806. }
  807. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  808. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  809. }
  810. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  811. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  812. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  813. }else {
  814. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  815. }
  816. }
  817. float PMSM_FOC_GetTorqueLimit(void) {
  818. return gFoc_Ctrl.userLim.s_torqueLim;
  819. }
  820. void PMSM_FOC_SetEbrkTorque(s16 torque) {
  821. gFoc_Ctrl.userLim.s_TorqueBrkLim = (float)torque;
  822. //gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  823. }
  824. float PMSM_FOC_GetEbrkTorque(void) {
  825. if (!foc_observer_is_encoder()) {
  826. return 0; //无感运行关闭能量回收
  827. }
  828. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  829. }
  830. float PMSM_FOC_GetVbusVoltage(void) {
  831. return gFoc_Ctrl.in.s_vDC;
  832. }
  833. float PMSM_FOC_GetVbusCurrent(void) {
  834. return gFoc_Ctrl.out.s_FilteriDC;
  835. }
  836. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  837. return &gFoc_Ctrl.out.s_RealIdq;
  838. }
  839. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  840. if (mode > CTRL_MODE_EBRAKE) {
  841. PMSM_FOC_SetErrCode(FOC_Param_Err);
  842. return false;
  843. }
  844. gFoc_Ctrl.in.n_ctlMode = mode;
  845. return true;
  846. }
  847. u8 PMSM_FOC_GetCtrlMode(void) {
  848. return gFoc_Ctrl.in.n_ctlMode;
  849. }
  850. void PMSM_FOC_PhaseCurrLim(float lim) {
  851. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  852. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  853. }
  854. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  855. }
  856. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  857. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  858. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  859. }
  860. eRamp_init_target2(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME);
  861. }
  862. float PMSM_FOC_GetPhaseCurrLim(void) {
  863. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  864. }
  865. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  866. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  867. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  868. }
  869. void PMSM_FOC_SetOpenVdq_Immediate(float vd, float vq) {
  870. gFoc_Ctrl.vdq_ctl[0].s_Step = 0;
  871. gFoc_Ctrl.vdq_ctl[0].s_FinalTgt = vd;
  872. gFoc_Ctrl.vdq_ctl[0].s_Cp = vd;
  873. gFoc_Ctrl.vdq_ctl[1].s_Step = 0;
  874. gFoc_Ctrl.vdq_ctl[1].s_FinalTgt = vq;
  875. gFoc_Ctrl.vdq_ctl[1].s_Cp = vq;
  876. }
  877. bool PMSM_FOC_EnableCruise(bool enable) {
  878. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  879. float motSpd = PMSM_FOC_GetSpeed();
  880. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  881. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  882. return false;
  883. }
  884. eRamp_reset_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd);
  885. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  886. gFoc_Ctrl.in.b_cruiseEna = enable;
  887. }
  888. return true;
  889. }
  890. bool PMSM_FOC_PauseCruise(void) {
  891. gFoc_Ctrl.in.b_cruiseEna = false;
  892. return true;
  893. }
  894. bool PMSM_FOC_ResumeCruise(void) {
  895. gFoc_Ctrl.in.b_cruiseEna = true;
  896. eRamp_init_target2(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_CRUISE_RAMP_TIME);
  897. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  898. return true;
  899. }
  900. bool PMSM_FOC_Is_CruiseEnabled(void) {
  901. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  902. }
  903. bool PMSM_FOC_Set_Speed(float rpm) {
  904. if (gFoc_Ctrl.in.b_cruiseEna) {
  905. return false;
  906. }
  907. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  908. return true;
  909. }
  910. bool PMSM_FOC_Set_Current(float is) {
  911. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  912. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  913. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  914. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  915. }
  916. eCtrl_set_TgtCurrent(is);
  917. return true;
  918. }
  919. bool PMSM_FOC_Set_Torque(float trq) {
  920. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  921. trq = gFoc_Ctrl.userLim.s_torqueLim;
  922. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  923. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  924. }
  925. eCtrl_set_TgtTorque(trq);
  926. return true;
  927. }
  928. void PMSM_FOC_Reset_Torque(void) {
  929. float real_trq = PMSM_FOC_Get_Real_dqVector();
  930. eCtrl_reset_Torque(real_trq);
  931. }
  932. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  933. if (PMSM_FOC_Is_CruiseEnabled()) {
  934. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  935. rpm = CONFIG_MIN_CRUISE_RPM;
  936. }
  937. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  938. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  939. return true;
  940. }
  941. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  942. return false;
  943. }
  944. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  945. if (enable) {
  946. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  947. gFoc_Ctrl.in.s_dqAngle = 0;
  948. }else {
  949. gFoc_Ctrl.in.s_dqAngle = INVALID_ANGLE;
  950. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  951. }
  952. }
  953. void PMSM_FOC_Set_MotAngle(float angle) {
  954. gFoc_Ctrl.in.s_manualAngle = (angle);
  955. }
  956. void PMSM_FOC_Set_Dq_Angle(float angle) {
  957. gFoc_Ctrl.in.s_dqAngle = (angle);
  958. }
  959. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  960. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  961. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  962. }
  963. float PMSM_FOC_GetSpeed(void) {
  964. float speed = gFoc_Ctrl.in.s_motVelocity;
  965. if (!gFoc_Ctrl.in.b_motEnable || foc_observer_is_encoder()) {
  966. speed = motor_encoder_get_speed();
  967. }else {
  968. if (foc_observer_sensorless_stable()) {
  969. speed = foc_observer_sensorless_speed();
  970. }else {
  971. speed = 0;
  972. }
  973. }
  974. return speed;
  975. }
  976. void PMSM_FOC_AutoHold(bool lock) {
  977. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  978. motor_encoder_lock_pos(lock);
  979. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  980. if (!lock) {
  981. float hold_torque = gFoc_Ctrl.in.s_targetTorque * 1.1f;
  982. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  983. #ifdef CONFIG_SPEED_LADRC
  984. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, hold_torque);
  985. #else
  986. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, hold_torque);
  987. #endif
  988. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  989. #ifdef CONFIG_SPEED_LADRC
  990. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, hold_torque);
  991. #else
  992. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, hold_torque);
  993. #endif
  994. }
  995. eCtrl_reset_Torque(hold_torque);
  996. gFoc_Ctrl.out.f_autohold_trq = hold_torque;
  997. }else {
  998. gFoc_Ctrl.out.f_autohold_trq = 0;
  999. }
  1000. gFoc_Ctrl.in.b_AutoHold = lock;
  1001. }
  1002. }
  1003. bool PMSM_FOC_AutoHoldding(void) {
  1004. return gFoc_Ctrl.in.b_AutoHold;
  1005. }
  1006. static PI_Controller *_pid(u8 id) {
  1007. PI_Controller *pi = NULL;
  1008. if (id == PID_D_id) {
  1009. pi = &gFoc_Ctrl.pi_id;
  1010. }else if (id == PID_Q_id) {
  1011. pi = &gFoc_Ctrl.pi_iq;
  1012. }else if (id == PID_TRQ_id) {
  1013. #ifndef CONFIG_SPEED_LADRC
  1014. pi = &gFoc_Ctrl.pi_vel_lim;
  1015. #endif
  1016. }else if (id == PID_Spd_id) {
  1017. #ifndef CONFIG_SPEED_LADRC
  1018. pi = &gFoc_Ctrl.pi_vel;
  1019. #endif
  1020. }else if (id == PID_Lock_id) {
  1021. pi = &gFoc_Ctrl.pi_lock;
  1022. }
  1023. return pi;
  1024. }
  1025. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  1026. if (id > PID_Max_id) {
  1027. return;
  1028. }
  1029. PI_Controller *pi = _pid(id);
  1030. if (pi != NULL) {
  1031. pi->kp = kp;
  1032. pi->ki = ki;
  1033. pi->kd = kd;
  1034. }
  1035. }
  1036. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  1037. if (id > PID_Max_id) {
  1038. return;
  1039. }
  1040. PI_Controller *pi = _pid(id);
  1041. if (pi != NULL) {
  1042. *kp = pi->kp;
  1043. *ki = pi->ki;
  1044. *kd = pi->kd;
  1045. }
  1046. }
  1047. void PMSM_FOC_SetErrCode(u8 error) {
  1048. if (gFoc_Ctrl.out.n_Error != error) {
  1049. gFoc_Ctrl.out.n_Error = error;
  1050. }
  1051. }
  1052. u8 PMSM_FOC_GetErrCode(void) {
  1053. return gFoc_Ctrl.out.n_Error;
  1054. }
  1055. void PMSM_FOC_Set_PlotType(Plot_t t) {
  1056. gFoc_Ctrl.plot_type = t;
  1057. }
  1058. //获取母线电流和实际输出电流矢量大小
  1059. void PMSM_FOC_Calc_Current(void) {
  1060. float vd = gFoc_Ctrl.out.s_OutVdq.d + gFoc_Ctrl.out.s_OutVdqDTC.d * 0.667f;
  1061. float vq = gFoc_Ctrl.out.s_OutVdq.q + gFoc_Ctrl.out.s_OutVdqDTC.q * 0.667f;
  1062. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  1063. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  1064. /*
  1065. 根据公式(等幅值变换,功率不等):
  1066. iDC x vDC = 2/3(iq x vq + id x vd);
  1067. */
  1068. float m_pow = (vd * id + vq * iq); //s32q10
  1069. float raw_idc = 0.0f;
  1070. float v_dc = get_vbus_float();
  1071. if (v_dc != 0.0f) {
  1072. raw_idc = m_pow / v_dc;// * 1.5f * 0.66f; //s16q5
  1073. }
  1074. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.02f);
  1075. raw_idc = get_vbus_current();
  1076. if (raw_idc != NO_VALID_CURRENT) {
  1077. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.05f);
  1078. }else {
  1079. gFoc_Ctrl.out.s_FilteriDC = gFoc_Ctrl.out.s_CalciDC;
  1080. }
  1081. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  1082. }
  1083. void PMSM_FOC_Brake(bool brake) {
  1084. gFoc_Ctrl.in.b_eBrake = brake;
  1085. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  1086. gFoc_Ctrl.in.b_cruiseEna = false;
  1087. }
  1088. eCtrl_brake_signal(brake);
  1089. }