PMSM_FOC_Core.c 47 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/mc_config.h"
  5. #include "foc/motor/motor_param.h"
  6. #include "foc/core/e_ctrl.h"
  7. #include "foc/core/etcs.h"
  8. #include "math/fix_math.h"
  9. #include "math/fast_math.h"
  10. #include "foc/motor/current.h"
  11. #include "foc/motor/motor.h"
  12. #include "foc/core/svpwm.h"
  13. #include "foc/core/thro_torque.h"
  14. #include "foc/core/foc_observer.h"
  15. #include "foc/core/F_Calc.h"
  16. #include "foc/samples.h"
  17. #include "foc/limit.h"
  18. #include "foc/mc_error.h"
  19. #include "app/nv_storage.h"
  20. #include "bsp/bsp_driver.h"
  21. #include "libs/logger.h"
  22. #include "math/fir.h"
  23. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  24. PMSM_FOC_Ctrl gFoc_Ctrl;
  25. static bool g_focinit = false;
  26. static u32 PMSM_FOC_Debug_Task(void *p);
  27. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  28. float c,s;
  29. #if 0
  30. SinCos_Lut(angle, &s, &c);
  31. #else
  32. s = gFoc_Ctrl.out.sin;
  33. c = gFoc_Ctrl.out.cos;
  34. #endif
  35. alpha_beta->a = dq->d * c - dq->q * s;
  36. alpha_beta->b = dq->d * s + dq->q * c;
  37. }
  38. static __INLINE void RevClark(AB_t *alpha_beta, float *ABC){
  39. ABC[0] = alpha_beta->a;
  40. ABC[1] = -alpha_beta->a * 0.5f + alpha_beta->b * SQRT3_BY_2;
  41. ABC[2] = -alpha_beta->a * 0.5f - alpha_beta->b * SQRT3_BY_2;
  42. }
  43. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  44. alpha_beta->a = A;
  45. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  46. }
  47. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  48. float c,s;
  49. #if 0
  50. SinCos_Lut(angle, &s, &c);
  51. #else
  52. s = gFoc_Ctrl.out.sin;
  53. c = gFoc_Ctrl.out.cos;
  54. #endif
  55. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  56. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  57. }
  58. void PMSM_FOC_ABC2Dq(float a, float b, float c, float *d, float *q) {
  59. AB_t ab;
  60. DQ_t dq;
  61. Clark(a, b, c, &ab);
  62. Park(&ab, 0, &dq);
  63. *d = dq.d;
  64. *q = dq.q;
  65. }
  66. #if 0
  67. #define VD_PRIO_HIGH
  68. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  69. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  70. float vDC_m = vDC * module * SQRT3_BY_2;
  71. float sq_vDC = vDC_m * vDC_m;
  72. if (sq_vdq > sq_vDC) {
  73. #ifdef VD_PRIO_HIGH
  74. out->d = vdq->d;
  75. out->q = sqrtf(sq_vDC - out->d*out->d);
  76. #else
  77. float r = sqrtf(sq_vDC / sq_vdq);
  78. out->d = vdq->d * r;
  79. out->q = vdq->q * r;
  80. #endif
  81. }else {
  82. out->d = vdq->d;
  83. out->q = vdq->q;
  84. }
  85. return sqrtf(sq_vdq/sq_vDC);
  86. }
  87. #endif
  88. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  89. float cp = c->s_Cp;
  90. c->s_FinalTgt = target;
  91. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  92. }
  93. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  94. if (++c->n_StepCount == c->n_CtrlCount) {
  95. c->s_Cp += c->s_Step;
  96. if (c->s_Step < 0) {
  97. if (c->s_Cp < c->s_FinalTgt) {
  98. c->s_Cp = c->s_FinalTgt;
  99. }
  100. }else {
  101. if (c->s_Cp > c->s_FinalTgt) {
  102. c->s_Cp = c->s_FinalTgt;
  103. }
  104. }
  105. c->n_StepCount = 0;
  106. }
  107. return c->s_Cp;
  108. }
  109. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  110. c->n_CtrlCount = count;
  111. c->n_StepCount = 0;
  112. c->s_Cp = 0;
  113. c->s_FinalTgt = 0;
  114. c->s_Step = 0;
  115. }
  116. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  117. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  118. }
  119. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  120. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  121. }
  122. static void PMSM_FOC_Reset_PID(void) {
  123. PI_Controller_Reset(&gFoc_Ctrl.pi_id, 0);
  124. PI_Controller_Reset(&gFoc_Ctrl.pi_iq, 0);
  125. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  126. PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0);
  127. #ifdef CONFIG_SPEED_LADRC
  128. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  129. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  130. #else
  131. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, 0);
  132. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, 0);
  133. #endif
  134. }
  135. static void PMSM_FOC_Conf_PID(void) {
  136. float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  137. gFoc_Ctrl.pi_id.kp = mc_conf()->c.pid[PID_ID_ID].kp;
  138. gFoc_Ctrl.pi_id.ki = mc_conf()->c.pid[PID_ID_ID].ki;
  139. gFoc_Ctrl.pi_id.kd = mc_conf()->c.pid[PID_ID_ID].kd;
  140. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  141. gFoc_Ctrl.pi_iq.kp = mc_conf()->c.pid[PID_IQ_ID].kp;
  142. gFoc_Ctrl.pi_iq.ki = mc_conf()->c.pid[PID_IQ_ID].ki;
  143. gFoc_Ctrl.pi_iq.kd = mc_conf()->c.pid[PID_IQ_ID].kd;
  144. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  145. gFoc_Ctrl.pi_power.kp = mc_conf()->c.pid[PID_IDCLim_ID].kp;
  146. gFoc_Ctrl.pi_power.ki = mc_conf()->c.pid[PID_IDCLim_ID].ki;
  147. gFoc_Ctrl.pi_power.kd = mc_conf()->c.pid[PID_IDCLim_ID].kd;
  148. gFoc_Ctrl.pi_power.DT = slow_ctrl_ts;
  149. gFoc_Ctrl.pi_lock.kp = mc_conf()->c.pid[PID_AutoHold_ID].kp;
  150. gFoc_Ctrl.pi_lock.ki = mc_conf()->c.pid[PID_AutoHold_ID].ki;
  151. gFoc_Ctrl.pi_lock.kd = mc_conf()->c.pid[PID_AutoHold_ID].kd;
  152. gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts;
  153. #ifdef CONFIG_SPEED_LADRC
  154. 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);
  155. 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);
  156. #else
  157. gFoc_Ctrl.pi_vel_lim.kp = mc_conf()->c.pid[PID_VelLim_ID].kp;
  158. gFoc_Ctrl.pi_vel_lim.ki = mc_conf()->c.pid[PID_VelLim_ID].ki;
  159. gFoc_Ctrl.pi_vel_lim.kd = mc_conf()->c.pid[PID_VelLim_ID].kd;
  160. gFoc_Ctrl.pi_vel_lim.DT = slow_ctrl_ts;
  161. gFoc_Ctrl.pi_vel.kp = mc_conf()->c.pid[PID_Vel_ID].kp;
  162. gFoc_Ctrl.pi_vel.ki = mc_conf()->c.pid[PID_Vel_ID].ki;
  163. gFoc_Ctrl.pi_vel.kd = mc_conf()->c.pid[PID_Vel_ID].kd;
  164. gFoc_Ctrl.pi_vel.DT = slow_ctrl_ts;
  165. #endif
  166. }
  167. static void PMSM_FOC_UserInit(void) {
  168. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  169. gFoc_Ctrl.userLim.s_iDCLim = min(mc_conf()->c.max_idc, gFoc_Ctrl.hwLim.s_iDCMax);
  170. gFoc_Ctrl.userLim.s_motRPMLim = min(mc_conf()->c.max_rpm, gFoc_Ctrl.hwLim.s_motRPMMax);
  171. gFoc_Ctrl.userLim.s_torqueLim = mc_conf()->c.max_torque;//MAX_TORQUE;
  172. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(mc_conf()->c.max_phase_curr, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  173. gFoc_Ctrl.userLim.s_vDCMaxLim = mc_conf()->c.max_dc_vol;
  174. gFoc_Ctrl.userLim.s_vDCMinLim = mc_conf()->c.min_dc_vol;
  175. gFoc_Ctrl.userLim.s_iDCeBrkLim = 0xFF;
  176. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  177. }
  178. void PMSM_FOC_RT_LimInit(void) {
  179. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  180. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  181. eRamp_init_target2(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME);
  182. eRamp_init_target2(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME);
  183. eRamp_init_target2(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME);
  184. }
  185. void PMSM_FOC_CoreInit(void) {
  186. PMSM_FOC_Conf_PID();
  187. memset(&gFoc_Ctrl.in, 0, sizeof(FOC_InP));
  188. memset(&gFoc_Ctrl.out, 0, sizeof(FOC_OutP));
  189. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_HW_MAX_DC_CURRENT;
  190. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_HW_MAX_MOTOR_RPM;
  191. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_HW_MAX_PHASE_CURR;
  192. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_HW_MAX_PHASE_VOL;
  193. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_HW_MAX_DC_VOLTAGE;
  194. gFoc_Ctrl.hwLim.s_torqueMax = mc_conf()->m.max_torque; //电机的最大扭矩
  195. gFoc_Ctrl.hwLim.s_FWDCurrMax = mc_conf()->m.max_fw_id; //电池能支持的最大弱磁电流
  196. if (!g_focinit) {
  197. PMSM_FOC_UserInit();
  198. PMSM_FOC_RT_LimInit();
  199. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  200. g_focinit = true;
  201. //_DEBUG("User Limit:\n");
  202. //_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,
  203. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  204. //_DEBUG("Hw Limit:\n");
  205. //_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);
  206. }
  207. gFoc_Ctrl.userLim.s_TorqueBrkLim = mc_get_ebrk_torque();
  208. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  209. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  210. gFoc_Ctrl.params.n_poles = mc_conf()->m.poles;//MOTOR_POLES;
  211. gFoc_Ctrl.params.lq = mc_conf()->m.lq;
  212. gFoc_Ctrl.params.ld = mc_conf()->m.lq;
  213. gFoc_Ctrl.params.flux = mc_conf()->m.flux;
  214. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  215. gFoc_Ctrl.in.s_dqAngle = INVALID_ANGLE;
  216. gFoc_Ctrl.in.s_vDC = sample_vbus_raw();//(CONFIG_RATED_DC_VOL);
  217. gFoc_Ctrl.in.s_angleLast = INVALID_ANGLE;
  218. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  219. gFoc_Ctrl.out.f_vdqRation = 0;
  220. eRamp_init_target2(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_CRUISE_RAMP_TIME);
  221. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  222. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  223. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  224. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  225. PMSM_FOC_Reset_PID();
  226. foc_observer_init();
  227. gFoc_Ctrl.plot_type = Plot_None;
  228. }
  229. /* 通过三相电流重构母线电流,和单电阻采样正好相反,原理一致 */
  230. static __INLINE void PMSM_FOC_Calc_iDC_Fast(void) {
  231. #if 0
  232. float deadtime = (float)(NS_2_TCLK(PWM_DEAD_TIME_NS + HW_DEAD_TIME_NS))/(float)FOC_PWM_Half_Period;
  233. float duty_pu[3];
  234. duty_pu[0] = (float)gFoc_Ctrl.out.n_Duty[0] / (float)FOC_PWM_Half_Period;
  235. duty_pu[1] = (float)gFoc_Ctrl.out.n_Duty[1] / (float)FOC_PWM_Half_Period;
  236. duty_pu[2] = (float)gFoc_Ctrl.out.n_Duty[2] / (float)FOC_PWM_Half_Period;
  237. float *iABC = gFoc_Ctrl.in.s_iABC;
  238. float iDC;
  239. if ((duty_pu[0] >= duty_pu[1]) && (duty_pu[1] >= duty_pu[2])) {
  240. iDC = iABC[0] * MAX(duty_pu[0] - duty_pu[1] - deadtime, 0) + (iABC[0] + iABC[1]) * MAX(duty_pu[1] - duty_pu[2] - deadtime, 0);
  241. if (iABC[0] < 0) {
  242. iDC = iDC + iABC[0] * deadtime;
  243. }
  244. if (iABC[1] > 0) {
  245. iDC = iDC + iABC[0] * deadtime;
  246. }else {
  247. iDC = iDC + (iABC[0] + iABC[1]) * deadtime;
  248. }
  249. if (iABC[2] > 0) {
  250. iDC = iDC + (iABC[0] + iABC[1]) * deadtime;
  251. }
  252. }else if ((duty_pu[0] >= duty_pu[2]) && (duty_pu[2] >= duty_pu[1])) {
  253. iDC = iABC[0] * MAX(duty_pu[0] - duty_pu[2] - deadtime, 0) + (iABC[0] + iABC[2]) * MAX(duty_pu[2] - duty_pu[1] - deadtime, 0);
  254. if (iABC[0] < 0) {
  255. iDC = iDC + iABC[0] * deadtime;
  256. }
  257. if (iABC[2] > 0) {
  258. iDC = iDC + iABC[0] * deadtime;
  259. }else {
  260. iDC = iDC + (iABC[0] + iABC[2]) * deadtime;
  261. }
  262. if (iABC[1] > 0) {
  263. iDC = iDC + (iABC[0] + iABC[2]) * deadtime;
  264. }
  265. }else if ((duty_pu[1] >= duty_pu[0]) && (duty_pu[0] >= duty_pu[2])) {
  266. iDC = iABC[1] * MAX(duty_pu[1] - duty_pu[0] - deadtime, 0) + (iABC[1] + iABC[0]) * MAX(duty_pu[0] - duty_pu[2] - deadtime, 0);
  267. if (iABC[1] < 0) {
  268. iDC = iDC + iABC[1] * deadtime;
  269. }
  270. if (iABC[0] > 0) {
  271. iDC = iDC + iABC[1] * deadtime;
  272. }else {
  273. iDC = iDC + (iABC[1] + iABC[0]) * deadtime;
  274. }
  275. if (iABC[2] > 0) {
  276. iDC = iDC + (iABC[1] + iABC[0]) * deadtime;
  277. }
  278. }else if ((duty_pu[1] >= duty_pu[2]) && (duty_pu[2] >= duty_pu[0])) {
  279. iDC = iABC[1] * MAX(duty_pu[1] - duty_pu[2] - deadtime, 0) + (iABC[1] + iABC[2]) * MAX(duty_pu[2] - duty_pu[0] - deadtime, 0);
  280. if (iABC[1] < 0) {
  281. iDC = iDC + iABC[1] * deadtime;
  282. }
  283. if (iABC[2] > 0) {
  284. iDC = iDC + iABC[1] * deadtime;
  285. }else {
  286. iDC = iDC + (iABC[1] + iABC[2]) * deadtime;
  287. }
  288. if (iABC[0] > 0) {
  289. iDC = iDC + (iABC[1] + iABC[2]) * deadtime;
  290. }
  291. }else if ((duty_pu[2] >= duty_pu[0]) && (duty_pu[0] >= duty_pu[1])) {
  292. iDC = iABC[2] * MAX(duty_pu[2] - duty_pu[0] - deadtime, 0) + (iABC[2] + iABC[0]) * MAX(duty_pu[0] - duty_pu[1] - deadtime, 0);
  293. if (iABC[2] < 0) {
  294. iDC = iDC + iABC[2] * deadtime;
  295. }
  296. if (iABC[0] > 0) {
  297. iDC = iDC + iABC[2] * deadtime;
  298. }else {
  299. iDC = iDC + (iABC[2] + iABC[0]) * deadtime;
  300. }
  301. if (iABC[1] > 0) {
  302. iDC = iDC + (iABC[2] + iABC[0]) * deadtime;
  303. }
  304. }else { // duty_pu[2] >= duty_pu[1] && duty_pu[1] >= duty_pu[0]
  305. iDC = iABC[2] * MAX(duty_pu[2] - duty_pu[1] - deadtime, 0) + (iABC[2] + iABC[1]) * MAX(duty_pu[1] - duty_pu[0] - deadtime, 0);
  306. if (iABC[2] < 0) {
  307. iDC = iDC + iABC[2] * deadtime;
  308. }
  309. if (iABC[1] > 0) {
  310. iDC = iDC + iABC[2] * deadtime;
  311. }else {
  312. iDC = iDC + (iABC[2] + iABC[1]) * deadtime;
  313. }
  314. if (iABC[0] > 0) {
  315. iDC = iDC + (iABC[2] + iABC[1]) * deadtime;
  316. }
  317. }
  318. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC2, iDC, 0.005f);
  319. #endif
  320. }
  321. #define CONFIG_PEAK_CNT 3 //计算经过的电周期内的最大值(peak 峰值)
  322. #define CONFIG_PHASE_UNBALANCE_THROLD 4.0F
  323. #define CONFIG_PHASE_UNBALANCE_R 0.1F
  324. static float phase_unbalance_r = 0.0f;
  325. static float phase_a_max, phase_b_max, phase_c_max;
  326. static u32 phase_unbalance_cnt;
  327. static __INLINE void PMSM_FOC_Phase_Unbalance(void) {
  328. static u32 _cycle_cnt = 0, _last_mod_cnt = 0;
  329. static float a_max = 0, b_max = 0, c_max = 0;
  330. static u32 _unbalance_cnt = 0;
  331. static u32 _unbalance_time = 0;
  332. float lowpass = gFoc_Ctrl.in.s_motVelRadusPers * FOC_CTRL_US / 2.0f;
  333. if (lowpass > 1.0f) {
  334. lowpass = 1.0f;
  335. }
  336. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[0], gFoc_Ctrl.in.s_iABC[0], lowpass);
  337. LowPass_Filter(gFoc_Ctrl.in.s_iABCFilter[1], gFoc_Ctrl.in.s_iABC[1], lowpass);
  338. gFoc_Ctrl.in.s_iABCFilter[2] = -(gFoc_Ctrl.in.s_iABCFilter[0] + gFoc_Ctrl.in.s_iABCFilter[1]);
  339. if ((gFoc_Ctrl.in.s_angleLast == INVALID_ANGLE) || (gFoc_Ctrl.in.s_motVelRadusPers < 100)) {
  340. gFoc_Ctrl.in.s_angleLast = gFoc_Ctrl.in.s_motAngle;
  341. a_max = b_max = c_max = 0;
  342. _unbalance_cnt = 0;
  343. _unbalance_time = get_tick_ms();
  344. _cycle_cnt = 0;
  345. _last_mod_cnt = 0;
  346. phase_unbalance_r = 0;
  347. return;
  348. }
  349. float delta_angle = gFoc_Ctrl.in.s_motAngle - gFoc_Ctrl.in.s_angleLast;
  350. if (delta_angle > 200 || delta_angle < -200) { //one cycle
  351. _cycle_cnt ++;
  352. }
  353. gFoc_Ctrl.in.s_angleLast = gFoc_Ctrl.in.s_motAngle;
  354. u32 mod_cnt = _cycle_cnt % CONFIG_PEAK_CNT;
  355. bool trigger = false;
  356. if ((mod_cnt == 0) && (_last_mod_cnt != mod_cnt)) {
  357. trigger = true;
  358. }
  359. _last_mod_cnt = mod_cnt;
  360. a_max = MAX(a_max, gFoc_Ctrl.in.s_iABCFilter[0] * (2.2f));
  361. b_max = MAX(b_max, gFoc_Ctrl.in.s_iABCFilter[1] * (2.2f));
  362. c_max = MAX(c_max, gFoc_Ctrl.in.s_iABCFilter[2] * (2.2f));
  363. if (trigger) { //经过CONFIG_PEAK_CNT个周期,已经得到peak值
  364. float i_min = 1000.0f, i_max = 0;
  365. if (a_max > i_max) {
  366. i_max = a_max;
  367. }
  368. if (a_max < i_min) {
  369. i_min = a_max;
  370. }
  371. if (b_max > i_max) {
  372. i_max = b_max;
  373. }
  374. if (b_max < i_min) {
  375. i_min = b_max;
  376. }
  377. if (c_max > i_max) {
  378. i_max = c_max;
  379. }
  380. if (c_max < i_min) {
  381. i_min = c_max;
  382. }
  383. float unbalance_r = (i_max - i_min - CONFIG_PHASE_UNBALANCE_THROLD)/(i_max + 1e-8f);
  384. if (unbalance_r >= CONFIG_PHASE_UNBALANCE_R) {
  385. if ((_unbalance_cnt++ >= 500) || (get_delta_ms(_unbalance_time) >= 1000*10)) {
  386. if (mc_set_critical_error(FOC_CRIT_PHASE_UNBalance_Err)) {
  387. mc_crit_err_add(FOC_CRIT_PHASE_UNBalance_Err, (s16)i_max, (s16)i_min);
  388. }
  389. }
  390. }else {
  391. _unbalance_cnt = 0;
  392. _unbalance_time = get_tick_ms();
  393. }
  394. phase_unbalance_r = unbalance_r;
  395. phase_a_max = a_max;
  396. phase_b_max = b_max;
  397. phase_c_max = c_max;
  398. phase_unbalance_cnt = _unbalance_cnt;
  399. a_max = b_max = c_max = 0;
  400. }
  401. }
  402. /* 死区补偿 */
  403. static __INLINE void PMSM_FOC_DeadTime_Compensate(s32 PWM_Half_Period) {
  404. #ifdef CONFIG_START_LINE_DTC_CURRENT
  405. float deadTime = (float)CONFIG_HW_DeadTime/2.0f;
  406. s32 dutyDTCA = 0;
  407. s32 dutyDTCB = 0;
  408. s32 dutyDTCC = 0;
  409. float r, delta;
  410. float iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[0]);
  411. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  412. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  413. r = delta / (COMFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  414. if (r > 1.0f) {
  415. r = 1.0f;
  416. }
  417. if (gFoc_Ctrl.in.s_iABC_DT[0] < 0) {
  418. r = -r;
  419. }
  420. dutyDTCA = (s32)(r * deadTime);
  421. }
  422. iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[1]);
  423. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  424. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  425. r = delta / (COMFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  426. if (r > 1.0f) {
  427. r = 1.0f;
  428. }
  429. if (gFoc_Ctrl.in.s_iABC_DT[1] < 0) {
  430. r = -r;
  431. }
  432. dutyDTCB = (s32)(r * deadTime);
  433. }
  434. iabs = ABS(gFoc_Ctrl.in.s_iABC_DT[2]);
  435. if (iabs > CONFIG_START_LINE_DTC_CURRENT) {
  436. delta = iabs - CONFIG_START_LINE_DTC_CURRENT;
  437. r = delta / (COMFIG_END_LINE_DTC_CURRENT - CONFIG_START_LINE_DTC_CURRENT);
  438. if (r > 1.0f) {
  439. r = 1.0f;
  440. }
  441. if (gFoc_Ctrl.in.s_iABC_DT[2] < 0) {
  442. r = -r;
  443. }
  444. dutyDTCC = (s32)(r * deadTime);
  445. }
  446. s32 dutyA = (s32)gFoc_Ctrl.out.n_Duty[0] + dutyDTCA;
  447. s32 dutyB = (s32)gFoc_Ctrl.out.n_Duty[1] + dutyDTCB;
  448. s32 dutyC = (s32)gFoc_Ctrl.out.n_Duty[2] + dutyDTCC;
  449. gFoc_Ctrl.out.n_Duty[0] = sclamp(dutyA, 0, PWM_Half_Period);
  450. gFoc_Ctrl.out.n_Duty[1] = sclamp(dutyB, 0, PWM_Half_Period);
  451. gFoc_Ctrl.out.n_Duty[2] = sclamp(dutyC, 0, PWM_Half_Period);
  452. #endif
  453. }
  454. static __INLINE void Phase_Voltage_update(float lowpass) {
  455. float v_ABC[3];
  456. get_uvw_phases_raw(v_ABC);
  457. LowPass_Filter(gFoc_Ctrl.in.s_SamplePhaseV[0], v_ABC[0], lowpass);
  458. LowPass_Filter(gFoc_Ctrl.in.s_SamplePhaseV[1], v_ABC[1], lowpass);
  459. LowPass_Filter(gFoc_Ctrl.in.s_SamplePhaseV[2], v_ABC[2], lowpass);
  460. /* phase voltage = phase-phase voltage / sqrt(3), 1.4是滤波器幅值补偿系数 */
  461. float phase_vAN = (gFoc_Ctrl.in.s_SamplePhaseV[0] - gFoc_Ctrl.in.s_SamplePhaseV[1]) * ONE_BY_SQRT3 * 1.4f;
  462. float phase_vBN = (gFoc_Ctrl.in.s_SamplePhaseV[1] - gFoc_Ctrl.in.s_SamplePhaseV[2]) * ONE_BY_SQRT3 * 1.4f;
  463. float phase_vCN = (gFoc_Ctrl.in.s_SamplePhaseV[2] - gFoc_Ctrl.in.s_SamplePhaseV[0]) * ONE_BY_SQRT3 * 1.4f;
  464. Clark(phase_vAN, phase_vBN, phase_vCN, &gFoc_Ctrl.out.s_SampleAB);
  465. Park(&gFoc_Ctrl.out.s_SampleAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_SamplevDQ);
  466. }
  467. //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */
  468. #define CONFIG_Volvec_Delay_Comp /* 电压矢量角度补偿 */
  469. #define CONFIG_Volvec_Delay_Comp_Start_Vel 500 // rpm
  470. static float encoder_angle,obser_angle, obser_vel = 111111;
  471. static __INLINE bool PMSM_FOC_Update_Input(void) {
  472. AB_t iAB;
  473. float *iabc = gFoc_Ctrl.in.s_iABC;
  474. phase_current_get(iabc);
  475. PMSM_FOC_Calc_iDC_Fast();
  476. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  477. 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);
  478. float enc_angle = motor_encoder_get_angle();
  479. float enc_vel = motor_encoder_get_speed();
  480. if (!foc_observer_diagnostic(enc_angle, enc_vel)){
  481. /* detect encoder angle error, do something here */
  482. if (!foc_observer_sensorless_stable()) {
  483. gFoc_Ctrl.in.s_motVelocity = 0;
  484. return false;
  485. }
  486. if (obser_vel == 111111) {
  487. obser_vel = foc_observer_sensorless_speed();
  488. obser_angle = foc_observer_sensorless_angle();
  489. encoder_angle = enc_angle;
  490. }
  491. enc_angle = foc_observer_sensorless_angle();
  492. enc_vel = foc_observer_sensorless_speed();
  493. }
  494. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  495. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  496. }else {
  497. gFoc_Ctrl.in.s_motAngle = enc_angle;
  498. }
  499. gFoc_Ctrl.in.s_motVelocity = enc_vel;
  500. LowPass_Filter(gFoc_Ctrl.in.s_motVelocityFiltered, gFoc_Ctrl.in.s_motVelocity, 0.01f);
  501. gFoc_Ctrl.in.s_motVelRadusPers = gFoc_Ctrl.in.s_motVelocityFiltered / 30.0f * PI * gFoc_Ctrl.params.n_poles;
  502. PMSM_FOC_Phase_Unbalance();
  503. #ifdef CONFIG_DQ_STEP_RESPONSE
  504. gFoc_Ctrl.in.s_motAngle = 0;
  505. #endif
  506. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  507. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  508. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  509. float lowpass = gFoc_Ctrl.in.s_motVelRadusPers * FOC_CTRL_US;
  510. float iqLowPass = lowpass * 2.0f;
  511. if (iqLowPass > 1.0f) {
  512. iqLowPass = 1.0f;
  513. }else if (iqLowPass <= 0.0001f) {
  514. iqLowPass = 0.001f;
  515. }
  516. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, iqLowPass);
  517. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, iqLowPass);
  518. /* 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 */
  519. RevPark(&gFoc_Ctrl.out.s_FilterIdq, gFoc_Ctrl.in.s_motAngle, &iAB);
  520. RevClark(&iAB, gFoc_Ctrl.in.s_iABC_DT);
  521. Phase_Voltage_update(lowpass);
  522. #ifdef CONFIG_START_LINE_DTC_CURRENT
  523. gFoc_Ctrl.out.s_OutVdqDTC.d = 0;
  524. gFoc_Ctrl.out.s_OutVdqDTC.q = 0;
  525. #else
  526. AB_t vAB;
  527. 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]));
  528. vAB.b = ONE_BY_SQRT3 * (SIGN(gFoc_Ctrl.in.s_iABC_DT[1]) - SIGN(gFoc_Ctrl.in.s_iABC_DT[2]));
  529. float dtc = ((float)CONFIG_HW_DeadTime/(float)FOC_PWM_Half_Period) * gFoc_Ctrl.in.s_vDC;
  530. vAB.a = vAB.a * dtc;
  531. vAB.b = vAB.b * dtc;
  532. Park(&vAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVdqDTC); //used for vbus current calc
  533. #endif
  534. #ifdef CONFIG_Volvec_Delay_Comp
  535. if (gFoc_Ctrl.in.s_motVelocityFiltered >= CONFIG_Volvec_Delay_Comp_Start_Vel) {
  536. float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelRadusPers / PI * 180.0f * (FOC_CTRL_US * 0.8f);
  537. rand_angle(next_angle);
  538. SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  539. }
  540. #endif
  541. return true;
  542. }
  543. #ifdef CONFIG_DQ_STEP_RESPONSE
  544. float target_d = 0.0f;
  545. float target_q = 0.0f;
  546. #endif
  547. static u32 PMSM_FOC_Debug_Task(void *p) {
  548. if (gFoc_Ctrl.in.b_motEnable) {
  549. #ifdef CONFIG_DQ_STEP_RESPONSE
  550. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  551. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  552. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  553. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  554. }
  555. #else
  556. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  557. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  558. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  559. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  560. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  561. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  562. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  563. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motVelocity);
  564. }
  565. #endif
  566. }
  567. return 1;
  568. }
  569. static __INLINE float id_feedforward(float eW) {
  570. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  571. return -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW);
  572. #else
  573. return 0;
  574. #endif
  575. }
  576. static __INLINE float iq_feedforward(float eW) {
  577. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  578. return (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW;
  579. #else
  580. return 0;
  581. #endif
  582. }
  583. bool PMSM_FOC_Schedule(void) {
  584. gFoc_Ctrl.ctrl_count++;
  585. if (!PMSM_FOC_Update_Input()){
  586. return false;
  587. }
  588. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  589. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  590. float max_vd = max_Vdc * SQRT3_BY_2;
  591. /* limiter Vd output for PI controller */
  592. gFoc_Ctrl.pi_id.max = max_vd;
  593. gFoc_Ctrl.pi_id.min = -max_vd;
  594. #ifndef CONFIG_DQ_STEP_RESPONSE
  595. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  596. #endif
  597. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  598. float id_ff = id_feedforward(gFoc_Ctrl.in.s_motVelRadusPers);
  599. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_Current(&gFoc_Ctrl.pi_id, err, id_ff);
  600. #ifdef UPDATE_Lq_By_iq
  601. /* update kp&ki from lq for iq PI controller */
  602. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  603. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  604. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  605. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  606. #endif
  607. /* limiter Vq output for PI controller */
  608. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  609. gFoc_Ctrl.pi_iq.max = max_vq;
  610. gFoc_Ctrl.pi_iq.min = -max_vq;
  611. #ifndef CONFIG_DQ_STEP_RESPONSE
  612. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  613. #endif
  614. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  615. float iq_ff = iq_feedforward(gFoc_Ctrl.in.s_motVelRadusPers);
  616. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_Current(&gFoc_Ctrl.pi_iq, err, iq_ff);
  617. }else {
  618. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  619. float max_vd = max_Vdc * SQRT3_BY_2;
  620. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  621. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  622. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  623. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  624. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  625. }
  626. #if 0
  627. 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);
  628. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  629. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  630. #else
  631. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  632. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  633. #endif
  634. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  635. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  636. PMSM_FOC_DeadTime_Compensate((s32)FOC_PWM_Half_Period);
  637. phase_current_point(&gFoc_Ctrl.out);
  638. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  639. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  640. return true;
  641. }
  642. void PMSM_FOC_LogDebug(void) {
  643. sys_debug("DC curr %f --- %f, %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.out.s_FilteriDC, gFoc_Ctrl.out.s_CalciDC2);
  644. sys_debug("%s\n", gFoc_Ctrl.out.empty_load?"NoLoad Running":"Load Runing");
  645. sys_debug("unbalance: %d, %f, %f, %f, %f\n", phase_unbalance_cnt, phase_unbalance_r, phase_a_max, phase_b_max, phase_c_max);
  646. if (obser_vel != 111111) {
  647. sys_debug("AB error: %f,%f,%f\n", obser_angle, encoder_angle, obser_vel);
  648. }
  649. }
  650. /*called in media task */
  651. u8 PMSM_FOC_CtrlMode(void) {
  652. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  653. if (!gFoc_Ctrl.in.b_motEnable) {
  654. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  655. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  656. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  657. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  658. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  659. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  660. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  661. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  662. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  663. }else {
  664. if (!gFoc_Ctrl.in.b_cruiseEna) {
  665. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  666. }
  667. }
  668. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  669. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  670. #ifdef CONFIG_SPEED_LADRC
  671. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  672. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  673. #else
  674. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, gFoc_Ctrl.in.s_targetTorque);
  675. #endif
  676. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  677. #ifdef CONFIG_SPEED_LADRC
  678. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  679. #else
  680. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, gFoc_Ctrl.in.s_targetTorque);
  681. #endif
  682. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  683. #ifdef CONFIG_SPEED_LADRC
  684. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  685. #else
  686. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, gFoc_Ctrl.in.s_targetTorque);
  687. #endif
  688. }else if ((preMode != gFoc_Ctrl.out.n_RunMode) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  689. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  690. eCtrl_set_TgtTorque(motor_get_ebreak_toruqe(gFoc_Ctrl.in.s_motVelocity));
  691. }else if ((preMode == CTRL_MODE_EBRAKE) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  692. #ifdef CONFIG_SPEED_LADRC
  693. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, F_get_air());
  694. #else
  695. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, F_get_air());
  696. #endif
  697. }
  698. }
  699. return gFoc_Ctrl.out.n_RunMode;
  700. }
  701. #define RAMPE_1 CONFIG_RAMP_FIRST_TARGET
  702. #define NORMAL_STEP 3.0F
  703. static void crosszero_step_towards(float *value, float target) {
  704. static float no_cro_step = NORMAL_STEP;
  705. float v_now = *value;
  706. bool cross_zero = false;
  707. float high_ramp_torque = CONFIG_RAMP_SECOND_TARGET;
  708. if (target > 0) {
  709. if (v_now < -RAMPE_1) {
  710. step_towards(value, -RAMPE_1, NORMAL_STEP);
  711. cross_zero = true;
  712. }else if (v_now >= -RAMPE_1 && v_now <= high_ramp_torque) {
  713. step_towards(value, target, 0.03f);
  714. cross_zero = true;
  715. }
  716. }else if (target == 0) {
  717. if (v_now > high_ramp_torque) {
  718. step_towards(value, high_ramp_torque, NORMAL_STEP);
  719. cross_zero = true;
  720. }else if (v_now >= RAMPE_1 && v_now <= high_ramp_torque) {
  721. step_towards(value, target, 0.03f);
  722. cross_zero = true;
  723. }
  724. }else {
  725. if (v_now > high_ramp_torque) {
  726. step_towards(value, high_ramp_torque, NORMAL_STEP);
  727. cross_zero = true;
  728. }else if (v_now >= -RAMPE_1 && v_now <= high_ramp_torque) {
  729. step_towards(value, target, 0.03f);
  730. cross_zero = true;
  731. }
  732. }
  733. if (!cross_zero) {
  734. step_towards(&no_cro_step, NORMAL_STEP, 0.1f);
  735. step_towards(value, target, no_cro_step);
  736. }else {
  737. no_cro_step = 0.5f;
  738. }
  739. }
  740. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  741. #define CHANGE_MAX_CNT 3
  742. static __INLINE void PMSM_FOC_VelCtrl_Decide(void) {
  743. #if 0
  744. static int change_cnt = 0;
  745. static bool change_done = false;
  746. static u32 change_time = 0xFFFFFFFF;
  747. float f_te = F_get_Te();
  748. float f_accl = F_get_accl();
  749. if (mc_is_epm()) {
  750. change_cnt = 0;
  751. change_time = 0xFFFFFFFF;
  752. change_done = false;
  753. gFoc_Ctrl.out.empty_load = false;
  754. return;
  755. }
  756. if (gFoc_Ctrl.in.s_motVelocity == 0.0f || gFoc_Ctrl.out.n_RunMode == CTRL_MODE_OPEN) {
  757. change_cnt = 0;
  758. change_time = 0xFFFFFFFF;
  759. change_done = false;
  760. gFoc_Ctrl.out.empty_load = false;
  761. return;
  762. }
  763. if (f_te <= 0.0f) {
  764. change_cnt = 0;
  765. change_time = 0xFFFFFFFF;
  766. return;
  767. }
  768. if (change_done) {
  769. /* 误判空转,发现电机给定的N大于空气阻力,说明不是空转 */
  770. if (gFoc_Ctrl.out.empty_load) {
  771. float f_air = F_get_air();
  772. if ((f_accl > 1.0f) && (f_te >= (f_air + f_accl))) {
  773. change_cnt ++;
  774. }else {
  775. change_cnt = 0;
  776. }
  777. if (change_cnt >= 500) {
  778. gFoc_Ctrl.out.empty_load = false;
  779. #ifdef CONFIG_SPEED_LADRC
  780. PMSM_FOC_Change_TrqLoop_Params(nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  781. PMSM_FOC_Change_VelLoop_Params(nv_get_foc_params()->f_adrc_vel_Wcv, nv_get_foc_params()->f_adrc_vel_B0);
  782. #endif
  783. }
  784. }
  785. return;
  786. }
  787. if (change_time == 0xFFFFFFFF) {
  788. change_time = get_tick_ms();
  789. }else { //起步3s内检测是否空转
  790. if (get_delta_ms(change_time) > 3000) {
  791. return;
  792. }
  793. }
  794. if ((f_accl > 200.0f) && (f_accl/f_te > 3.0f )) {
  795. change_cnt++;
  796. }else if ((F_get_MotAccl() >= 10.0f) && (f_accl/f_te > 1.2f )) {
  797. change_cnt = CHANGE_MAX_CNT;
  798. }
  799. else {
  800. if ((f_te > 50) && (f_accl > 0) && (f_te > f_accl)) {
  801. change_cnt --;
  802. }else {
  803. change_cnt = 0;
  804. }
  805. }
  806. if (!change_done && (change_cnt >= CHANGE_MAX_CNT)) {
  807. change_done = true;
  808. change_cnt = 0;
  809. gFoc_Ctrl.out.empty_load = change_done;
  810. #ifdef CONFIG_SPEED_LADRC
  811. PMSM_FOC_Change_TrqLoop_Params(CONFIG_LADRC_NOLOAD_Wcv, CONFIG_LADRC_NOLOAD_B0);
  812. PMSM_FOC_Change_VelLoop_Params(CONFIG_LADRC_NOLOAD_Wcv, CONFIG_LADRC_NOLOAD_B0);
  813. #endif
  814. }else if (!change_done && (change_cnt <= -200)) {
  815. change_done = true;
  816. change_cnt = 0;
  817. gFoc_Ctrl.out.empty_load = false;
  818. }
  819. #endif
  820. }
  821. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  822. #if 1
  823. gFoc_Ctrl.pi_power.max = maxTrq;
  824. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  825. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  826. #else
  827. return maxTrq;
  828. #endif
  829. }
  830. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  831. #ifdef CONFIG_SPEED_LADRC
  832. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  833. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  834. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motVelocity);
  835. #else
  836. gFoc_Ctrl.pi_vel_lim.max = maxTrq;
  837. gFoc_Ctrl.pi_vel_lim.min = 0;
  838. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motVelocity;
  839. return PI_Controller_RunVel(&gFoc_Ctrl.pi_vel_lim, err);
  840. #endif
  841. }
  842. static __INLINE void PMSM_FOC_idq_Assign(void) {
  843. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  844. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_dqAngle != INVALID_ANGLE)) {
  845. float s, c;
  846. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_dqAngle + 90.0f), &s, &c);
  847. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  848. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  849. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  850. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  851. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  852. }
  853. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  854. if (s < 0) {
  855. gFoc_Ctrl.in.s_targetIdq.q = -gFoc_Ctrl.in.s_targetIdq.q;
  856. }
  857. }else {
  858. gFoc_Ctrl.in.s_targetIdq.d = 0;
  859. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  860. }
  861. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  862. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  863. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  864. }
  865. u32 mask = cpu_enter_critical();
  866. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  867. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  868. cpu_exit_critical(mask);
  869. }
  870. /*called in media task */
  871. void PMSM_FOC_idqCalc(void) {
  872. if (gFoc_Ctrl.in.b_AutoHold) {
  873. float hold_torque = min(gFoc_Ctrl.protLim.s_TorqueLim, mc_conf()->c.max_autohold_torque);
  874. gFoc_Ctrl.pi_lock.max = hold_torque;
  875. gFoc_Ctrl.pi_lock.min = -hold_torque;
  876. float vel_count = motor_encoder_get_vel_count();
  877. float errRef = 0 - vel_count;
  878. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  879. PMSM_FOC_idq_Assign();
  880. return;
  881. }
  882. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  883. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  884. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  885. float maxTrq = eCtrl_get_RefTorque();
  886. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  887. maxTrq = 0;
  888. }
  889. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  890. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  891. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  892. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  893. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  894. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  895. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  896. float maxSpeed = eCtrl_get_FinalSpeed();
  897. float refSpeed = eCtrl_get_RefSpeed();
  898. if (gFoc_Ctrl.in.b_cruiseEna) {
  899. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  900. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  901. }
  902. #ifdef CONFIG_SPEED_LADRC
  903. if (maxSpeed >= 0) {
  904. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  905. }else if (maxSpeed < 0) {
  906. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  907. }
  908. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  909. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  910. }
  911. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  912. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motVelocity);
  913. #else
  914. if (maxSpeed >= 0) {
  915. gFoc_Ctrl.pi_vel.max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);
  916. gFoc_Ctrl.pi_vel.min = -CONFIG_MAX_NEG_TORQUE;
  917. }else if (maxSpeed < 0) {
  918. gFoc_Ctrl.pi_vel.min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);
  919. gFoc_Ctrl.pi_vel.max = CONFIG_MAX_NEG_TORQUE;
  920. }
  921. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  922. gFoc_Ctrl.pi_vel.max = 0;
  923. gFoc_Ctrl.pi_vel.min = 0; //防止倒转
  924. }
  925. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  926. float errRef = refSpeed - gFoc_Ctrl.in.s_motVelocity;
  927. float maxTrq = PI_Controller_RunVel(&gFoc_Ctrl.pi_vel, errRef);
  928. #endif
  929. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  930. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  931. }
  932. PMSM_FOC_idq_Assign();
  933. }
  934. u8 PMSM_FOC_RunTime_Limit(void) {
  935. u8 changed = FOC_LIM_NO_CHANGE;
  936. float dc_lim = (float)vbus_under_vol_limit();
  937. float torque_lim = (float)min(mos_temp_high_limit(), motor_temp_high_limit());
  938. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  939. if ((dc_lim > gFoc_Ctrl.protLim.s_iDCLim) || (torque_lim > gFoc_Ctrl.protLim.s_TorqueLim)) {
  940. changed = FOC_LIM_CHANGE_H;
  941. }else {
  942. changed = FOC_LIM_CHANGE_L;
  943. }
  944. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  945. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  946. }
  947. return changed;
  948. }
  949. bool PMSM_FOC_iDC_is_Limited(void) {
  950. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  951. }
  952. bool PMSM_FOC_Torque_is_Limited(void) {
  953. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  954. }
  955. void PMSM_FOC_Slow_Task(void) {
  956. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  957. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  958. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  959. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  960. PMSM_FOC_VelCtrl_Decide();
  961. PMSM_FOC_idqCalc();
  962. }
  963. void PMSM_FOC_Change_VelLoop_Params(float wcv, float b0) {
  964. #ifdef CONFIG_SPEED_LADRC
  965. ladrc_change_b0(&gFoc_Ctrl.vel_adrc, b0);
  966. ladrc_change_K(&gFoc_Ctrl.vel_adrc, wcv);
  967. #else
  968. PI_Controller_Change_Kpi(&gFoc_Ctrl.pi_vel, wcv, b0);
  969. #endif
  970. }
  971. void PMSM_FOC_Change_TrqLoop_Params(float wcv, float b0) {
  972. #ifdef CONFIG_SPEED_LADRC
  973. ladrc_change_b0(&gFoc_Ctrl.vel_lim_adrc, b0);
  974. ladrc_change_K(&gFoc_Ctrl.vel_lim_adrc, wcv);
  975. #else
  976. PI_Controller_Change_Kpi(&gFoc_Ctrl.pi_vel_lim, wcv, b0);
  977. #endif
  978. }
  979. float PMSM_FOC_Get_Real_dqVector(void) {
  980. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  981. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  982. }
  983. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  984. }
  985. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  986. return &gFoc_Ctrl;
  987. }
  988. void PMSM_FOC_Start(u8 nCtrlMode) {
  989. if (gFoc_Ctrl.in.b_motEnable) {
  990. return;
  991. }
  992. PMSM_FOC_CoreInit();
  993. eCtrl_Reset();
  994. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  995. gFoc_Ctrl.in.b_motEnable = true;
  996. }
  997. void PMSM_FOC_Stop(void) {
  998. if (!gFoc_Ctrl.in.b_motEnable) {
  999. return;
  1000. }
  1001. PMSM_FOC_CoreInit();
  1002. gFoc_Ctrl.in.b_motEnable = false;
  1003. }
  1004. bool PMSM_FOC_Is_Start(void) {
  1005. return gFoc_Ctrl.in.b_motEnable;
  1006. }
  1007. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  1008. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  1009. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  1010. }
  1011. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  1012. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  1013. }
  1014. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  1015. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  1016. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  1017. }else {
  1018. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  1019. }
  1020. }
  1021. float PMSM_FOC_GetDCCurrLimit(void) {
  1022. return gFoc_Ctrl.userLim.s_iDCLim;
  1023. }
  1024. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  1025. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  1026. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  1027. }
  1028. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  1029. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  1030. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  1031. }else {
  1032. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  1033. }
  1034. }
  1035. void PMSM_FOC_SpeedLimit(float speedLimit) {
  1036. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motVelocity);
  1037. }
  1038. void PMSM_FOC_SpeedDirectLimit(float limit) {
  1039. PMSM_FOC_SpeedRampLimit(limit, 0);
  1040. }
  1041. float PMSM_FOC_GetSpeedLimit(void) {
  1042. return gFoc_Ctrl.userLim.s_motRPMLim;
  1043. }
  1044. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  1045. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  1046. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  1047. }
  1048. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  1049. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  1050. }
  1051. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  1052. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  1053. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  1054. }else {
  1055. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  1056. }
  1057. }
  1058. float PMSM_FOC_GetTorqueLimit(void) {
  1059. return gFoc_Ctrl.userLim.s_torqueLim;
  1060. }
  1061. void PMSM_FOC_SetEbrkTorque(s16 torque) {
  1062. gFoc_Ctrl.userLim.s_TorqueBrkLim = (float)torque;
  1063. //gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  1064. }
  1065. float PMSM_FOC_GetEbrkTorque(void) {
  1066. if (!foc_observer_is_encoder()) {
  1067. return 0; //无感运行关闭能量回收
  1068. }
  1069. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  1070. }
  1071. float PMSM_FOC_GetVbusVoltage(void) {
  1072. return gFoc_Ctrl.in.s_vDC;
  1073. }
  1074. float PMSM_FOC_GetVbusCurrent(void) {
  1075. return gFoc_Ctrl.out.s_FilteriDC;
  1076. }
  1077. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  1078. return &gFoc_Ctrl.out.s_RealIdq;
  1079. }
  1080. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  1081. if (mode > CTRL_MODE_EBRAKE) {
  1082. PMSM_FOC_SetErrCode(FOC_Param_Err);
  1083. return false;
  1084. }
  1085. gFoc_Ctrl.in.n_ctlMode = mode;
  1086. return true;
  1087. }
  1088. u8 PMSM_FOC_GetCtrlMode(void) {
  1089. return gFoc_Ctrl.in.n_ctlMode;
  1090. }
  1091. void PMSM_FOC_PhaseCurrLim(float lim) {
  1092. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  1093. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  1094. }
  1095. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  1096. }
  1097. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  1098. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  1099. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  1100. }
  1101. eRamp_init_target2(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME);
  1102. }
  1103. float PMSM_FOC_GetPhaseCurrLim(void) {
  1104. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  1105. }
  1106. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  1107. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  1108. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  1109. }
  1110. void PMSM_FOC_SetOpenVdq_Immediate(float vd, float vq) {
  1111. gFoc_Ctrl.vdq_ctl[0].s_Step = 0;
  1112. gFoc_Ctrl.vdq_ctl[0].s_FinalTgt = vd;
  1113. gFoc_Ctrl.vdq_ctl[0].s_Cp = vd;
  1114. gFoc_Ctrl.vdq_ctl[1].s_Step = 0;
  1115. gFoc_Ctrl.vdq_ctl[1].s_FinalTgt = vq;
  1116. gFoc_Ctrl.vdq_ctl[1].s_Cp = vq;
  1117. }
  1118. bool PMSM_FOC_EnableCruise(bool enable) {
  1119. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  1120. float motSpd = PMSM_FOC_GetSpeed();
  1121. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  1122. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  1123. return false;
  1124. }
  1125. eRamp_reset_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd);
  1126. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  1127. gFoc_Ctrl.in.b_cruiseEna = enable;
  1128. }
  1129. return true;
  1130. }
  1131. bool PMSM_FOC_PauseCruise(void) {
  1132. gFoc_Ctrl.in.b_cruiseEna = false;
  1133. return true;
  1134. }
  1135. bool PMSM_FOC_ResumeCruise(void) {
  1136. gFoc_Ctrl.in.b_cruiseEna = true;
  1137. eRamp_init_target2(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_CRUISE_RAMP_TIME);
  1138. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  1139. return true;
  1140. }
  1141. bool PMSM_FOC_Is_CruiseEnabled(void) {
  1142. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  1143. }
  1144. bool PMSM_FOC_Set_TgtSpeed(float rpm) {
  1145. if (gFoc_Ctrl.in.b_cruiseEna) {
  1146. return false;
  1147. }
  1148. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  1149. return true;
  1150. }
  1151. bool PMSM_FOC_Set_Current(float is) {
  1152. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  1153. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  1154. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  1155. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  1156. }
  1157. eCtrl_set_TgtCurrent(is);
  1158. return true;
  1159. }
  1160. bool PMSM_FOC_Set_Torque(float trq) {
  1161. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  1162. trq = gFoc_Ctrl.userLim.s_torqueLim;
  1163. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  1164. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  1165. }
  1166. eCtrl_set_TgtTorque(trq);
  1167. return true;
  1168. }
  1169. void PMSM_FOC_Reset_Torque(void) {
  1170. float real_trq = PMSM_FOC_Get_Real_dqVector();
  1171. eCtrl_reset_Torque(real_trq);
  1172. }
  1173. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  1174. if (PMSM_FOC_Is_CruiseEnabled()) {
  1175. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  1176. rpm = CONFIG_MIN_CRUISE_RPM;
  1177. }
  1178. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  1179. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  1180. return true;
  1181. }
  1182. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  1183. return false;
  1184. }
  1185. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  1186. if (enable) {
  1187. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  1188. gFoc_Ctrl.in.s_dqAngle = 0;
  1189. }else {
  1190. gFoc_Ctrl.in.s_dqAngle = INVALID_ANGLE;
  1191. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  1192. }
  1193. }
  1194. void PMSM_FOC_Set_MotAngle(float angle) {
  1195. gFoc_Ctrl.in.s_manualAngle = (angle);
  1196. }
  1197. void PMSM_FOC_Set_Dq_Angle(float angle) {
  1198. gFoc_Ctrl.in.s_dqAngle = (angle);
  1199. }
  1200. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  1201. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  1202. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  1203. }
  1204. float PMSM_FOC_GetSpeed(void) {
  1205. float speed = gFoc_Ctrl.in.s_motVelocity;
  1206. if (!gFoc_Ctrl.in.b_motEnable || foc_observer_is_encoder()) {
  1207. speed = motor_encoder_get_speed();
  1208. }else {
  1209. if (foc_observer_sensorless_stable()) {
  1210. speed = foc_observer_sensorless_speed();
  1211. }else {
  1212. speed = 0;
  1213. }
  1214. }
  1215. return speed;
  1216. }
  1217. void PMSM_FOC_AutoHold(bool lock) {
  1218. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  1219. motor_encoder_lock_pos(lock);
  1220. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  1221. if (!lock) {
  1222. float hold_torque = gFoc_Ctrl.in.s_targetTorque * 1.1f;
  1223. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  1224. #ifdef CONFIG_SPEED_LADRC
  1225. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, hold_torque);
  1226. #else
  1227. PI_Controller_Reset(&gFoc_Ctrl.pi_vel_lim, hold_torque);
  1228. #endif
  1229. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  1230. #ifdef CONFIG_SPEED_LADRC
  1231. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, hold_torque);
  1232. #else
  1233. PI_Controller_Reset(&gFoc_Ctrl.pi_vel, hold_torque);
  1234. #endif
  1235. }
  1236. etcs_reset_torque(hold_torque);
  1237. gFoc_Ctrl.out.f_autohold_trq = hold_torque;
  1238. }else {
  1239. gFoc_Ctrl.out.f_autohold_trq = 0;
  1240. }
  1241. gFoc_Ctrl.in.b_AutoHold = lock;
  1242. }
  1243. }
  1244. bool PMSM_FOC_AutoHoldding(void) {
  1245. return gFoc_Ctrl.in.b_AutoHold;
  1246. }
  1247. static PI_Controller *_pid(u8 id) {
  1248. PI_Controller *pi = NULL;
  1249. if (id == PID_ID_ID) {
  1250. pi = &gFoc_Ctrl.pi_id;
  1251. }else if (id == PID_IQ_ID) {
  1252. pi = &gFoc_Ctrl.pi_iq;
  1253. }else if (id == PID_VelLim_ID) {
  1254. #ifndef CONFIG_SPEED_LADRC
  1255. pi = &gFoc_Ctrl.pi_vel_lim;
  1256. #endif
  1257. }else if (id == PID_Vel_ID) {
  1258. #ifndef CONFIG_SPEED_LADRC
  1259. pi = &gFoc_Ctrl.pi_vel;
  1260. #endif
  1261. }else if (id == PID_AutoHold_ID) {
  1262. pi = &gFoc_Ctrl.pi_lock;
  1263. }
  1264. return pi;
  1265. }
  1266. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  1267. if (id > PID_Max_ID) {
  1268. return;
  1269. }
  1270. PI_Controller *pi = _pid(id);
  1271. if (pi != NULL) {
  1272. pi->kp = kp;
  1273. pi->ki = ki;
  1274. pi->kd = kd;
  1275. }
  1276. }
  1277. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  1278. if (id > PID_Max_ID) {
  1279. return;
  1280. }
  1281. PI_Controller *pi = _pid(id);
  1282. if (pi != NULL) {
  1283. *kp = pi->kp;
  1284. *ki = pi->ki;
  1285. *kd = pi->kd;
  1286. }
  1287. }
  1288. void PMSM_FOC_SetErrCode(u8 error) {
  1289. if (gFoc_Ctrl.out.n_Error != error) {
  1290. gFoc_Ctrl.out.n_Error = error;
  1291. }
  1292. }
  1293. u8 PMSM_FOC_GetErrCode(void) {
  1294. return gFoc_Ctrl.out.n_Error;
  1295. }
  1296. void PMSM_FOC_Set_PlotType(Plot_t t) {
  1297. gFoc_Ctrl.plot_type = t;
  1298. }
  1299. //获取母线电流和实际输出电流矢量大小
  1300. void PMSM_FOC_Calc_Current(void) {
  1301. float vd = gFoc_Ctrl.out.s_OutVdq.d - gFoc_Ctrl.out.s_OutVdqDTC.d * TWO_BY_THREE;
  1302. float vq = gFoc_Ctrl.out.s_OutVdq.q - gFoc_Ctrl.out.s_OutVdqDTC.q * TWO_BY_THREE;
  1303. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  1304. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  1305. /*
  1306. 根据公式(等幅值变换,功率不等):
  1307. iDC x vDC = 3/2(iq x vq + id x vd);
  1308. */
  1309. float m_pow = (vd * id + vq * iq);
  1310. float raw_idc = 0.0f;
  1311. float v_dc = get_vbus_float();
  1312. if (v_dc != 0.0f) {
  1313. raw_idc = m_pow / v_dc;
  1314. }
  1315. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.02f);
  1316. m_pow = (gFoc_Ctrl.out.s_SamplevDQ.d * id + gFoc_Ctrl.out.s_SamplevDQ.q * iq) * 1.5f;
  1317. if (v_dc != 0.0f) {
  1318. raw_idc = m_pow / v_dc;
  1319. }
  1320. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC2, raw_idc, 0.02f);
  1321. #ifdef VBUS_I_CHAN
  1322. raw_idc = get_vbus_current();
  1323. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.05f);
  1324. #else
  1325. gFoc_Ctrl.out.s_FilteriDC = gFoc_Ctrl.out.s_CalciDC;
  1326. #endif
  1327. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  1328. }
  1329. void PMSM_FOC_Brake(bool brake) {
  1330. gFoc_Ctrl.in.b_eBrake = brake;
  1331. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  1332. gFoc_Ctrl.in.b_cruiseEna = false;
  1333. }
  1334. eCtrl_brake_signal(brake);
  1335. }