PMSM_FOC_Core.c 35 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/samples.h"
  14. #include "foc/limit.h"
  15. #include "app/nv_storage.h"
  16. #include "bsp/bsp_driver.h"
  17. #include "libs/logger.h"
  18. #include "math/fir.h"
  19. #define _DEBUG(fmt, args...) sys_debug(fmt, ##args)
  20. PMSM_FOC_Ctrl gFoc_Ctrl;
  21. static bool g_focinit = false;
  22. static u32 PMSM_FOC_Debug_Task(void *p);
  23. static __INLINE void RevPark(DQ_t *dq, float angle, AB_t *alpha_beta) {
  24. float c,s;
  25. #if 0
  26. SinCos_Lut(angle, &s, &c);
  27. #else
  28. s = gFoc_Ctrl.out.sin;
  29. c = gFoc_Ctrl.out.cos;
  30. #endif
  31. alpha_beta->a = dq->d * c - dq->q * s;
  32. alpha_beta->b = dq->d * s + dq->q * c;
  33. }
  34. static __INLINE void Clark(float A, float B, float C, AB_t *alpha_beta){
  35. alpha_beta->a = A;
  36. alpha_beta->b = ONE_BY_SQRT3 * (B - C);
  37. }
  38. static __INLINE void Park(AB_t *alpha_beta, float angle, DQ_t *dq) {
  39. float c,s;
  40. #if 0
  41. SinCos_Lut(angle, &s, &c);
  42. #else
  43. s = gFoc_Ctrl.out.sin;
  44. c = gFoc_Ctrl.out.cos;
  45. #endif
  46. dq->d = alpha_beta->a * c + alpha_beta->b * s;
  47. dq->q = -alpha_beta->a * s + alpha_beta->b * c;
  48. }
  49. #if 0
  50. #define VD_PRIO_HIGH
  51. static __INLINE float Circle_Limitation(DQ_t *vdq, float vDC, float module, DQ_t *out) {
  52. float sq_vdq = vdq->d * vdq->d + vdq->q * vdq->q;
  53. float vDC_m = vDC * module * SQRT3_BY_2;
  54. float sq_vDC = vDC_m * vDC_m;
  55. if (sq_vdq > sq_vDC) {
  56. #ifdef VD_PRIO_HIGH
  57. out->d = vdq->d;
  58. out->q = sqrtf(sq_vDC - out->d*out->d);
  59. #else
  60. float r = sqrtf(sq_vDC / sq_vdq);
  61. out->d = vdq->d * r;
  62. out->q = vdq->q * r;
  63. #endif
  64. }else {
  65. out->d = vdq->d;
  66. out->q = vdq->q;
  67. }
  68. return sqrtf(sq_vdq/sq_vDC);
  69. }
  70. #endif
  71. static __INLINE void FOC_Set_DqRamp(dq_Rctrl *c, float target, int time) {
  72. float cp = c->s_Cp;
  73. c->s_FinalTgt = target;
  74. c->s_Step = (c->s_FinalTgt - cp) / (float)time;
  75. }
  76. static __INLINE float FOC_Get_DqRamp(dq_Rctrl *c) {
  77. if (++c->n_StepCount == c->n_CtrlCount) {
  78. c->s_Cp += c->s_Step;
  79. if (c->s_Step < 0) {
  80. if (c->s_Cp < c->s_FinalTgt) {
  81. c->s_Cp = c->s_FinalTgt;
  82. }
  83. }else {
  84. if (c->s_Cp > c->s_FinalTgt) {
  85. c->s_Cp = c->s_FinalTgt;
  86. }
  87. }
  88. c->n_StepCount = 0;
  89. }
  90. return c->s_Cp;
  91. }
  92. static __INLINE void FOC_DqRamp_init(dq_Rctrl *c, int count) {
  93. c->n_CtrlCount = count;
  94. c->n_StepCount = 0;
  95. c->s_Cp = 0;
  96. c->s_FinalTgt = 0;
  97. c->s_Step = 0;
  98. }
  99. static __INLINE void FOC_Set_iDqRamp(dq_Rctrl *c, float target) {
  100. FOC_Set_DqRamp(c, target, (/*CONFIG_IDQ_CTRL_TS/CONFIG_SPD_CTRL_TS - 1*/CURRENT_LOOP_RAMP_COUNT));
  101. }
  102. static __INLINE void FOC_Set_vDqRamp(dq_Rctrl *c, float target) {
  103. FOC_Set_DqRamp(c, target, (CONFIG_FOC_VDQ_RAMP_FINAL_TIME/1000*((CONFIG_IDQ_CTRL_TS/CONFIG_FOC_VDQ_RAMP_TS))));
  104. }
  105. static void PMSM_FOC_Reset_PID(void) {
  106. PI_Controller_Reset(&gFoc_Ctrl.pi_id, 0);
  107. PI_Controller_Reset(&gFoc_Ctrl.pi_iq, 0);
  108. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  109. PI_Controller_Reset(&gFoc_Ctrl.pi_power, 0);
  110. #ifdef CONFIG_SPEED_LADRC
  111. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, 0);
  112. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, 0);
  113. #else
  114. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, 0);
  115. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, 0);
  116. #endif
  117. }
  118. static void PMSM_FOC_Conf_PID(void) {
  119. float slow_ctrl_ts = (1.0f/(float)CONFIG_SPD_CTRL_TS);
  120. gFoc_Ctrl.pi_id.kp = nv_get_foc_params()->pid_conf[PID_D_id].kp;
  121. gFoc_Ctrl.pi_id.ki = nv_get_foc_params()->pid_conf[PID_D_id].ki;
  122. gFoc_Ctrl.pi_id.kd = nv_get_foc_params()->pid_conf[PID_D_id].kd;
  123. gFoc_Ctrl.pi_id.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  124. gFoc_Ctrl.pi_iq.kp = nv_get_foc_params()->pid_conf[PID_Q_id].kp;
  125. gFoc_Ctrl.pi_iq.ki = nv_get_foc_params()->pid_conf[PID_Q_id].ki;
  126. gFoc_Ctrl.pi_iq.kd = nv_get_foc_params()->pid_conf[PID_Q_id].kd;
  127. gFoc_Ctrl.pi_iq.DT = (1.0f/(float)CONFIG_IDQ_CTRL_TS);
  128. gFoc_Ctrl.pi_power.kp = nv_get_foc_params()->pid_conf[PID_Pow_id].kp;
  129. gFoc_Ctrl.pi_power.ki = nv_get_foc_params()->pid_conf[PID_Pow_id].ki;
  130. gFoc_Ctrl.pi_power.kd = nv_get_foc_params()->pid_conf[PID_Pow_id].kd;
  131. gFoc_Ctrl.pi_power.DT = slow_ctrl_ts;
  132. gFoc_Ctrl.pi_lock.kp = nv_get_foc_params()->pid_conf[PID_Lock_id].kp;
  133. gFoc_Ctrl.pi_lock.ki = nv_get_foc_params()->pid_conf[PID_Lock_id].ki;
  134. gFoc_Ctrl.pi_lock.kd = nv_get_foc_params()->pid_conf[PID_Lock_id].kd;
  135. gFoc_Ctrl.pi_lock.DT = slow_ctrl_ts;
  136. #ifdef CONFIG_SPEED_LADRC
  137. ladrc_init(&gFoc_Ctrl.vel_lim_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  138. ladrc_init(&gFoc_Ctrl.vel_adrc, slow_ctrl_ts, nv_get_foc_params()->f_adrc_vel_lim_Wo, nv_get_foc_params()->f_adrc_vel_lim_Wcv, nv_get_foc_params()->f_adrc_vel_lim_B0);
  139. #else
  140. gFoc_Ctrl.pi_torque.kp = nv_get_foc_params()->pid_conf[PID_TRQ_id].kp;
  141. gFoc_Ctrl.pi_torque.ki = nv_get_foc_params()->pid_conf[PID_TRQ_id].ki;
  142. gFoc_Ctrl.pi_torque.kd = nv_get_foc_params()->pid_conf[PID_TRQ_id].kd;
  143. gFoc_Ctrl.pi_torque.DT = slow_ctrl_ts;
  144. gFoc_Ctrl.pi_speed.kp = nv_get_foc_params()->pid_conf[PID_Spd_id].kp;
  145. gFoc_Ctrl.pi_speed.ki = nv_get_foc_params()->pid_conf[PID_Spd_id].ki;
  146. gFoc_Ctrl.pi_speed.kd = nv_get_foc_params()->pid_conf[PID_Spd_id].kd;
  147. gFoc_Ctrl.pi_speed.DT = slow_ctrl_ts;
  148. #endif
  149. }
  150. static void PMSM_FOC_UserInit(void) {
  151. memset(&gFoc_Ctrl.userLim, 0, sizeof(gFoc_Ctrl.userLim));
  152. gFoc_Ctrl.userLim.s_iDCLim = min(nv_get_foc_params()->s_LimitiDC, gFoc_Ctrl.hwLim.s_iDCMax);
  153. gFoc_Ctrl.userLim.s_motRPMLim = min(nv_get_foc_params()->s_maxRPM, gFoc_Ctrl.hwLim.s_motRPMMax);
  154. gFoc_Ctrl.userLim.s_torqueLim = nv_get_foc_params()->s_maxTorque;//MAX_TORQUE;
  155. gFoc_Ctrl.userLim.s_PhaseCurrLim = min(nv_get_foc_params()->s_PhaseCurrLim, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  156. gFoc_Ctrl.userLim.s_vDCMaxLim = nv_get_foc_params()->s_maxDCVol;
  157. gFoc_Ctrl.userLim.s_vDCMinLim = nv_get_foc_params()->s_minDCVol;
  158. gFoc_Ctrl.userLim.s_iDCeBrkLim = nv_get_foc_params()->s_iDCeBrkLim;
  159. gFoc_Ctrl.userLim.s_TorqueBrkLim = nv_get_foc_params()->s_TorqueBrkLim;
  160. gFoc_Ctrl.userLim.s_PhaseVoleBrkLim = gFoc_Ctrl.hwLim.s_PhaseVolMax;
  161. }
  162. void PMSM_FOC_RT_LimInit(void) {
  163. gFoc_Ctrl.protLim.s_iDCLim = HW_LIMIT_NONE;
  164. gFoc_Ctrl.protLim.s_TorqueLim = HW_LIMIT_NONE;
  165. eRamp_init_target(&gFoc_Ctrl.rtLim.rpmLimRamp, gFoc_Ctrl.userLim.s_motRPMLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  166. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, gFoc_Ctrl.userLim.s_torqueLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  167. eRamp_init_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, gFoc_Ctrl.userLim.s_iDCLim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  168. }
  169. void PMSM_FOC_CoreInit(void) {
  170. PMSM_FOC_Conf_PID();
  171. memset(&gFoc_Ctrl.in, 0, sizeof(gFoc_Ctrl.in));
  172. memset(&gFoc_Ctrl.out, 0, sizeof(gFoc_Ctrl.out));
  173. gFoc_Ctrl.hwLim.s_iDCMax = CONFIG_MAX_VBUS_CURRENT;
  174. gFoc_Ctrl.hwLim.s_motRPMMax = CONFIG_MAX_MOT_RPM;
  175. gFoc_Ctrl.hwLim.s_PhaseCurrMax = CONFIG_MAX_PHASE_CURR;
  176. gFoc_Ctrl.hwLim.s_PhaseVolMax = CONFIG_MAX_PHASE_VOL;
  177. gFoc_Ctrl.hwLim.s_vDCMax = CONFIG_MAX_DC_VOL;
  178. gFoc_Ctrl.hwLim.s_torqueMax = CONFIG_MAX_MOTOR_TORQUE;
  179. gFoc_Ctrl.hwLim.s_FWDCurrMax = CONFIG_MAX_FW_D_CURR;
  180. if (!g_focinit) {
  181. PMSM_FOC_UserInit();
  182. PMSM_FOC_RT_LimInit();
  183. shark_task_create(PMSM_FOC_Debug_Task, NULL);
  184. g_focinit = true;
  185. //_DEBUG("User Limit:\n");
  186. //_DEBUG("dc %f, rpm %f, torque %f, phase %f, vDCmax %f, vDCmin %f, ebrk %f\n", gFoc_Ctrl.userLim.s_iDCLim, gFoc_Ctrl.userLim.s_motRPMLim, gFoc_Ctrl.userLim.s_torqueLim,
  187. // gFoc_Ctrl.userLim.s_PhaseCurrLim, gFoc_Ctrl.userLim.s_vDCMaxLim, gFoc_Ctrl.userLim.s_vDCMinLim, gFoc_Ctrl.userLim.s_TorqueBrkLim);
  188. //_DEBUG("Hw Limit:\n");
  189. //_DEBUG("dc %f, rpm %f, torque %f, phase %f\n", gFoc_Ctrl.hwLim.s_iDCMax, gFoc_Ctrl.hwLim.s_motRPMMax, gFoc_Ctrl.hwLim.s_torqueMax, gFoc_Ctrl.hwLim.s_PhaseCurrMax);
  190. }
  191. gFoc_Ctrl.params.n_modulation = CONFIG_SVM_MODULATION;//SVM_Modulation;
  192. gFoc_Ctrl.params.n_PhaseFilterCeof = CONFIG_CURR_LP_CEOF;
  193. gFoc_Ctrl.params.n_poles = nv_get_motor_params()->poles;//MOTOR_POLES;
  194. gFoc_Ctrl.params.lq = nv_get_motor_params()->lq;
  195. gFoc_Ctrl.params.ld = nv_get_motor_params()->ld;
  196. gFoc_Ctrl.params.flux = nv_get_motor_params()->flux_linkage;
  197. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  198. gFoc_Ctrl.in.b_fwEnable = nv_get_foc_params()->n_FwEnable;
  199. gFoc_Ctrl.in.s_vDC = nv_get_foc_params()->s_maxDCVol;//(CONFIG_RATED_DC_VOL);
  200. // gFoc_Ctrl.params.f_DCLim = get_vbus_float();
  201. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, 0, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  202. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  203. gFoc_Ctrl.out.f_vdqRation = 0;
  204. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[0], 1);
  205. FOC_DqRamp_init(&gFoc_Ctrl.idq_ctl[1], 1);
  206. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[0], (CONFIG_FOC_VDQ_RAMP_TS));
  207. FOC_DqRamp_init(&gFoc_Ctrl.vdq_ctl[1], (CONFIG_FOC_VDQ_RAMP_TS));
  208. PMSM_FOC_Reset_PID();
  209. foc_observer_init();
  210. gFoc_Ctrl.plot_type = Plot_None;
  211. }
  212. /* 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 */
  213. static __INLINE void PMSM_FOC_Calc_iDC_Fast(void) {
  214. float deadtime = (float)(NS_2_TCLK(PWM_DEAD_TIME_NS))/(float)FOC_PWM_Half_Period;
  215. float duty_pu[3];
  216. duty_pu[0] = (float)gFoc_Ctrl.out.n_Duty[0] / (float)FOC_PWM_Half_Period;
  217. duty_pu[1] = (float)gFoc_Ctrl.out.n_Duty[1] / (float)FOC_PWM_Half_Period;
  218. duty_pu[2] = (float)gFoc_Ctrl.out.n_Duty[2] / (float)FOC_PWM_Half_Period;
  219. float *iABC = gFoc_Ctrl.in.s_iABC;
  220. float iDC;
  221. if ((duty_pu[0] >= duty_pu[1]) && (duty_pu[1] >= duty_pu[2])) {
  222. 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);
  223. }else if ((duty_pu[0] >= duty_pu[2]) && (duty_pu[2] >= duty_pu[1])) {
  224. 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);
  225. }else if ((duty_pu[1] >= duty_pu[0]) && (duty_pu[0] >= duty_pu[2])) {
  226. 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);
  227. }else if ((duty_pu[1] >= duty_pu[2]) && (duty_pu[2] >= duty_pu[0])) {
  228. 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);
  229. }else if ((duty_pu[2] >= duty_pu[0]) && (duty_pu[0] >= duty_pu[1])) {
  230. 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);
  231. }else { // duty_pu[2] >= duty_pu[1] && duty_pu[1] >= duty_pu[0]
  232. 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);
  233. }
  234. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC2, iDC, 0.01f);
  235. }
  236. //#define UPDATE_Lq_By_iq /* Q轴电感 通过Iq电流补偿 */
  237. //#define Volvec_Delay_Comp /* 电压矢量角度补偿 */
  238. static __INLINE float PMSM_FOC_Update_Input(void) {
  239. AB_t iAB;
  240. bool count_down = PWM_Direction_Down();
  241. float *iabc = gFoc_Ctrl.in.s_iABC;
  242. phase_current_get(iabc);
  243. PMSM_FOC_Calc_iDC_Fast();
  244. Clark(iabc[0], iabc[1], iabc[2], &iAB);
  245. foc_observer_update(gFoc_Ctrl.out.s_OutVAB.a * 0.66667f, gFoc_Ctrl.out.s_OutVAB.b * 0.66667f, iAB.a, iAB.b);
  246. if (!count_down) {
  247. return false;
  248. }
  249. float enc_angle = motor_encoder_get_angle();
  250. float enc_vel = motor_encoder_get_speed();
  251. if (!foc_observer_diagnostic(enc_angle, enc_vel)){
  252. /* deltect encoder angle error, do something here */
  253. }
  254. if (!gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  255. gFoc_Ctrl.in.s_motAngle = gFoc_Ctrl.in.s_manualAngle;
  256. }else {
  257. gFoc_Ctrl.in.s_motAngle = enc_angle;
  258. }
  259. gFoc_Ctrl.in.s_motVelocity = enc_vel;
  260. LowPass_Filter(gFoc_Ctrl.in.s_motRPMFilted, gFoc_Ctrl.in.s_motVelocity, 0.005f);
  261. gFoc_Ctrl.in.s_motVelDegreePers = gFoc_Ctrl.in.s_motVelocity / 30.0f * PI * gFoc_Ctrl.params.n_poles;
  262. #ifdef CONFIG_DQ_STEP_RESPONSE
  263. gFoc_Ctrl.in.s_motAngle = 0;
  264. #endif
  265. gFoc_Ctrl.in.s_vDC = get_vbus_float();
  266. get_phase_vols(gFoc_Ctrl.in.s_vABC);
  267. SinCos_Lut(gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  268. Park(&iAB, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_RealIdq);
  269. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.d, gFoc_Ctrl.out.s_RealIdq.d, 0.004f);
  270. LowPass_Filter(gFoc_Ctrl.out.s_FilterIdq.q, gFoc_Ctrl.out.s_RealIdq.q, 0.004f);
  271. #ifdef Volvec_Delay_Comp
  272. float next_angle = gFoc_Ctrl.in.s_motAngle + gFoc_Ctrl.in.s_motVelDegreePers / PI * 180.0f * (FOC_CTRL_US - 2e-6f);
  273. rand_angle(next_angle);
  274. SinCos_Lut(next_angle, &gFoc_Ctrl.out.sin, &gFoc_Ctrl.out.cos);
  275. #endif
  276. return true;
  277. }
  278. #ifdef CONFIG_DQ_STEP_RESPONSE
  279. float target_d = 0.0f;
  280. float target_q = 0.0f;
  281. #endif
  282. static u32 PMSM_FOC_Debug_Task(void *p) {
  283. if (gFoc_Ctrl.in.b_motEnable) {
  284. #ifdef CONFIG_DQ_STEP_RESPONSE
  285. if (gFoc_Ctrl.plot_type == Plot_D_Step) {
  286. plot_2data16(FtoS16x10(target_d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  287. }if (gFoc_Ctrl.plot_type == Plot_Q_Step) {
  288. plot_2data16(FtoS16x10(target_q), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  289. }
  290. #else
  291. if (gFoc_Ctrl.plot_type == Plot_D_flow) {
  292. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[0].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d));
  293. }else if (gFoc_Ctrl.plot_type == Plot_Q_flow) {
  294. plot_2data16(FtoS16x10(gFoc_Ctrl.idq_ctl[1].s_Cp), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q));
  295. }else if (gFoc_Ctrl.plot_type == Plot_DQ_Curr) {
  296. plot_3data16(FtoS16x10(gFoc_Ctrl.out.s_RealIdq.d), FtoS16x10(gFoc_Ctrl.out.s_RealIdq.q), FtoS16x10(gFoc_Ctrl.out.s_FilteriDC));
  297. }else if (gFoc_Ctrl.plot_type == Plot_Spd_flow) {
  298. plot_2data16(gFoc_Ctrl.in.s_targetRPM, gFoc_Ctrl.in.s_motVelocity);
  299. }
  300. #endif
  301. }
  302. return 1;
  303. }
  304. static __INLINE void id_feedforward(float eW) {
  305. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  306. gFoc_Ctrl.in.s_targetVdq.d += -(gFoc_Ctrl.params.lq * gFoc_Ctrl.out.s_RealIdq.q * eW);
  307. gFoc_Ctrl.in.s_targetVdq.d = fclamp(gFoc_Ctrl.in.s_targetVdq.d, gFoc_Ctrl.pi_id.min, gFoc_Ctrl.pi_id.max);
  308. #endif
  309. }
  310. static __INLINE void iq_feedforward(float eW) {
  311. #ifdef CONFIG_CURRENT_LOOP_DECOUPE
  312. gFoc_Ctrl.in.s_targetVdq.q += (gFoc_Ctrl.params.ld * gFoc_Ctrl.out.s_RealIdq.d + gFoc_Ctrl.params.flux) * eW;
  313. gFoc_Ctrl.in.s_targetVdq.q = fclamp(gFoc_Ctrl.in.s_targetVdq.q, gFoc_Ctrl.pi_iq.min, gFoc_Ctrl.pi_iq.max);
  314. #endif
  315. }
  316. void PMSM_FOC_Schedule(void) {
  317. gFoc_Ctrl.ctrl_count++;
  318. if (!PMSM_FOC_Update_Input()){
  319. return;
  320. }
  321. if (gFoc_Ctrl.out.n_RunMode != CTRL_MODE_OPEN) {
  322. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  323. float max_vd = max_Vdc * SQRT3_BY_2;
  324. /* limiter Vd output for PI controller */
  325. gFoc_Ctrl.pi_id.max = max_vd;
  326. gFoc_Ctrl.pi_id.min = -max_vd;
  327. #ifndef CONFIG_DQ_STEP_RESPONSE
  328. float target_d = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[0]);
  329. #endif
  330. float err = target_d - gFoc_Ctrl.out.s_RealIdq.d;
  331. gFoc_Ctrl.in.s_targetVdq.d = PI_Controller_RunSerial(&gFoc_Ctrl.pi_id, err);
  332. id_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  333. #ifdef UPDATE_Lq_By_iq
  334. /* update kp&ki from lq for iq PI controller */
  335. float lq = motor_get_lq_from_iq((s16)gFoc_Ctrl.out.s_FilterIdq.q);
  336. LowPass_Filter(gFoc_Ctrl.params.lq, lq, 0.01f);
  337. gFoc_Ctrl.pi_iq.kp = ((float)nv_get_foc_params()->n_currentBand * gFoc_Ctrl.params.lq);
  338. gFoc_Ctrl.pi_iq.ki = (nv_get_motor_params()->r/gFoc_Ctrl.params.lq);
  339. #endif
  340. /* limiter Vq output for PI controller */
  341. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  342. gFoc_Ctrl.pi_iq.max = max_vq;
  343. gFoc_Ctrl.pi_iq.min = -max_vq;
  344. #ifndef CONFIG_DQ_STEP_RESPONSE
  345. float target_q = FOC_Get_DqRamp(&gFoc_Ctrl.idq_ctl[1]);
  346. #endif
  347. err = target_q - gFoc_Ctrl.out.s_RealIdq.q;
  348. gFoc_Ctrl.in.s_targetVdq.q = PI_Controller_RunSerial(&gFoc_Ctrl.pi_iq, err);
  349. iq_feedforward(gFoc_Ctrl.in.s_motVelDegreePers);
  350. }else {
  351. float max_Vdc = gFoc_Ctrl.in.s_vDC * CONFIG_SVM_MODULATION;
  352. float max_vd = max_Vdc * SQRT3_BY_2;
  353. float vd_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[0]);
  354. gFoc_Ctrl.in.s_targetVdq.d = fclamp(vd_ref, -max_vd, max_vd);
  355. float max_vq = sqrtf(SQ(max_vd) - SQ(gFoc_Ctrl.in.s_targetVdq.d));
  356. float vq_ref = FOC_Get_DqRamp(&gFoc_Ctrl.vdq_ctl[1]);
  357. gFoc_Ctrl.in.s_targetVdq.q = fclamp(vq_ref, -max_vq, max_vq);
  358. }
  359. #if 0
  360. 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);
  361. gFoc_Ctrl.out.s_OutVdq.d *= SQRT3_BY_2;
  362. gFoc_Ctrl.out.s_OutVdq.q *= SQRT3_BY_2;
  363. #else
  364. gFoc_Ctrl.out.s_OutVdq.d = gFoc_Ctrl.in.s_targetVdq.d;
  365. gFoc_Ctrl.out.s_OutVdq.q = gFoc_Ctrl.in.s_targetVdq.q;
  366. #endif
  367. RevPark(&gFoc_Ctrl.out.s_OutVdq, gFoc_Ctrl.in.s_motAngle, &gFoc_Ctrl.out.s_OutVAB);
  368. SVM_Duty_Fix(&gFoc_Ctrl.out.s_OutVAB, gFoc_Ctrl.in.s_vDC, FOC_PWM_Half_Period, &gFoc_Ctrl.out);
  369. phase_current_point(&gFoc_Ctrl.out);
  370. pwm_update_duty(gFoc_Ctrl.out.n_Duty[0], gFoc_Ctrl.out.n_Duty[1], gFoc_Ctrl.out.n_Duty[2]);
  371. pwm_update_sample(gFoc_Ctrl.out.n_Sample1, gFoc_Ctrl.out.n_Sample2, gFoc_Ctrl.out.n_CPhases);
  372. }
  373. void PMSM_FOC_LogDebug(void) {
  374. sys_debug("DC curr %f --- %f\n", gFoc_Ctrl.out.s_CalciDC, gFoc_Ctrl.out.s_CalciDC2);
  375. }
  376. /*called in media task */
  377. u8 PMSM_FOC_CtrlMode(void) {
  378. u8 preMode = gFoc_Ctrl.out.n_RunMode;
  379. if (!gFoc_Ctrl.in.b_motEnable) {
  380. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  381. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_OPEN) {
  382. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_OPEN;
  383. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_SPD || gFoc_Ctrl.in.b_cruiseEna){
  384. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_SPD;
  385. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_CURRENT) {
  386. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_CURRENT;
  387. }else if (gFoc_Ctrl.in.n_ctlMode == CTRL_MODE_EBRAKE) {
  388. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_EBRAKE;
  389. }else {
  390. if (!gFoc_Ctrl.in.b_cruiseEna) {
  391. gFoc_Ctrl.out.n_RunMode = CTRL_MODE_TRQ;
  392. }
  393. }
  394. if (preMode != gFoc_Ctrl.out.n_RunMode) {
  395. if ((preMode == CTRL_MODE_SPD) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  396. #ifdef CONFIG_SPEED_LADRC
  397. //ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  398. ladrc_copy(&gFoc_Ctrl.vel_lim_adrc, &gFoc_Ctrl.vel_adrc);
  399. #else
  400. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  401. #endif
  402. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD)) {
  403. #ifdef CONFIG_SPEED_LADRC
  404. //ladrc_reset(&gFoc_Ctrl.vel_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  405. ladrc_copy(&gFoc_Ctrl.vel_adrc, &gFoc_Ctrl.vel_lim_adrc);
  406. #else
  407. float target_troque = gFoc_Ctrl.in.s_targetTorque;
  408. if (gFoc_Ctrl.pi_id->is_sat || gFoc_Ctrl.pi_iq->is_sat) {
  409. target_troque = PMSM_FOC_Get_Real_dqVector();
  410. }
  411. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, target_troque);
  412. #endif
  413. }else if ((preMode == CTRL_MODE_CURRENT) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ)) {
  414. #ifdef CONFIG_SPEED_LADRC
  415. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque);
  416. #else
  417. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque);
  418. #endif
  419. }else if ((preMode == CTRL_MODE_TRQ) && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  420. #if 0
  421. float real_trq = PMSM_FOC_Get_Real_dqVector() * 0.9f;
  422. eCtrl_reset_Current(min(real_trq, gFoc_Ctrl.in.s_targetTorque));
  423. eCtrl_set_TgtCurrent(-PMSM_FOC_GetEbrkTorque());
  424. #else
  425. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  426. eCtrl_set_TgtTorque(-PMSM_FOC_GetEbrkTorque());
  427. #endif
  428. }
  429. }
  430. return gFoc_Ctrl.out.n_RunMode;
  431. }
  432. static void crosszero_step_towards(float *value, float target) {
  433. float v_now = *value;
  434. bool cross_zero = false;
  435. if (target > 0) {
  436. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  437. step_towards(value, target, 0.05f);
  438. cross_zero = true;
  439. }
  440. }else if (target == 0) {
  441. if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
  442. step_towards(value, target, 0.05f);
  443. cross_zero = true;
  444. }
  445. }else {
  446. if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET*1.5f) {
  447. step_towards(value, target, 0.02f);
  448. cross_zero = true;
  449. }
  450. }
  451. if (!cross_zero) {
  452. *value = target;
  453. }
  454. }
  455. /* MPTA, 弱磁, 功率限制,主要是分配DQ轴电流 */
  456. static __INLINE float PMSM_FOC_Limit_iDC(float maxTrq) {
  457. #if 1
  458. gFoc_Ctrl.pi_power.max = maxTrq;
  459. float errRef = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.DCCurrLimRamp) - (gFoc_Ctrl.out.s_FilteriDC);
  460. return PI_Controller_Run(&gFoc_Ctrl.pi_power, errRef);
  461. #else
  462. return maxTrq;
  463. #endif
  464. }
  465. static __INLINE float PMSM_FOC_Limit_Speed(float maxTrq) {
  466. #ifdef CONFIG_SPEED_LADRC
  467. float lim = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp);
  468. ladrc_set_range(&gFoc_Ctrl.vel_lim_adrc, 0, maxTrq);
  469. return ladrc_run(&gFoc_Ctrl.vel_lim_adrc, lim, gFoc_Ctrl.in.s_motVelocity);
  470. #else
  471. #if 1
  472. gFoc_Ctrl.pi_torque->max = maxTrq;
  473. gFoc_Ctrl.pi_torque->min = 0;
  474. float err = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.rpmLimRamp) - gFoc_Ctrl.in.s_motVelocity;
  475. return PI_Controller_RunLimit(&gFoc_Ctrl.pi_torque, err);
  476. #else
  477. return maxTrq;
  478. #endif
  479. #endif
  480. }
  481. static __INLINE void PMSM_FOC_idq_Assign(void) {
  482. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  483. if (gFoc_Ctrl.in.b_MTPA_calibrate && (gFoc_Ctrl.in.s_manualAngle != INVALID_ANGLE)) {
  484. float s, c;
  485. normal_sincosf(degree_2_pi(gFoc_Ctrl.in.s_manualAngle + 90.0f), &s, &c);
  486. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.in.s_targetCurrent * c;
  487. if (gFoc_Ctrl.in.s_targetIdq.d > gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  488. gFoc_Ctrl.in.s_targetIdq.d = gFoc_Ctrl.hwLim.s_FWDCurrMax;
  489. }else if (gFoc_Ctrl.in.s_targetIdq.d < -gFoc_Ctrl.hwLim.s_FWDCurrMax) {
  490. gFoc_Ctrl.in.s_targetIdq.d = -gFoc_Ctrl.hwLim.s_FWDCurrMax;
  491. }
  492. gFoc_Ctrl.in.s_targetIdq.q = sqrtf(SQ(gFoc_Ctrl.in.s_targetCurrent) - SQ(gFoc_Ctrl.in.s_targetIdq.d));
  493. }else {
  494. gFoc_Ctrl.in.s_targetIdq.d = 0;
  495. gFoc_Ctrl.in.s_targetIdq.q = gFoc_Ctrl.in.s_targetCurrent;
  496. }
  497. }else if ((gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) || (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) ||
  498. (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE)) {
  499. motor_mpta_fw_lookup(gFoc_Ctrl.in.s_motVelocity, gFoc_Ctrl.in.s_targetTorque, &gFoc_Ctrl.in.s_targetIdq);
  500. }
  501. u32 mask = cpu_enter_critical();
  502. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[0], gFoc_Ctrl.in.s_targetIdq.d);
  503. FOC_Set_iDqRamp(&gFoc_Ctrl.idq_ctl[1], gFoc_Ctrl.in.s_targetIdq.q);
  504. cpu_exit_critical(mask);
  505. }
  506. /*called in media task */
  507. void PMSM_FOC_idqCalc(void) {
  508. if (gFoc_Ctrl.in.b_AutoHold) {
  509. gFoc_Ctrl.pi_lock.max = CONFIG_MAX_LOCK_TORQUE;
  510. gFoc_Ctrl.pi_lock.min = -CONFIG_MAX_LOCK_TORQUE;
  511. float vel_count = motor_encoder_get_vel_count();
  512. float errRef = 0 - vel_count;
  513. gFoc_Ctrl.in.s_targetTorque = PI_Controller_Run(&gFoc_Ctrl.pi_lock ,errRef);
  514. PMSM_FOC_idq_Assign();
  515. return;
  516. }
  517. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_CURRENT) {
  518. gFoc_Ctrl.in.s_targetCurrent = eCtrl_get_RefCurrent();
  519. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_EBRAKE) {
  520. float maxTrq = eCtrl_get_RefTorque();
  521. if (eCtrl_get_FinalTorque() < 0.0001f && gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE) {
  522. maxTrq = 0;
  523. }
  524. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  525. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  526. float refTorque = min(eCtrl_get_RefTorque(), eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  527. float maxTrq = PMSM_FOC_Limit_Speed(refTorque);
  528. maxTrq = PMSM_FOC_Limit_iDC(maxTrq);
  529. crosszero_step_towards(&gFoc_Ctrl.in.s_targetTorque, maxTrq);
  530. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD){
  531. float maxSpeed = eCtrl_get_FinalSpeed();
  532. float refSpeed = eCtrl_get_RefSpeed();
  533. if (gFoc_Ctrl.in.b_cruiseEna) {
  534. maxSpeed = eRamp_get_target(&gFoc_Ctrl.in.cruiseRpmRamp);
  535. refSpeed = eRamp_get_intepolation(&gFoc_Ctrl.in.cruiseRpmRamp);//gFoc_Ctrl.in.s_cruiseRPM;
  536. }
  537. #ifdef CONFIG_SPEED_LADRC
  538. if (maxSpeed >= 0) {
  539. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -CONFIG_MAX_NEG_TORQUE, eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp));
  540. }else if (maxSpeed < 0) {
  541. ladrc_set_range(&gFoc_Ctrl.vel_adrc, -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp), CONFIG_MAX_NEG_TORQUE);
  542. }
  543. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  544. ladrc_set_range(&gFoc_Ctrl.vel_adrc, 0, 0);
  545. }
  546. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  547. float maxTrq = ladrc_run(&gFoc_Ctrl.vel_adrc, refSpeed, gFoc_Ctrl.in.s_motVelocity);
  548. #else
  549. if (maxSpeed >= 0) {
  550. gFoc_Ctrl.pi_speed->max = eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  551. gFoc_Ctrl.pi_speed->min = -CONFIG_MAX_NEG_TORQUE;
  552. }else if (maxSpeed < 0) {
  553. gFoc_Ctrl.pi_speed->min = -eRamp_get_intepolation(&gFoc_Ctrl.rtLim.torqueLimRamp);//gFoc_Ctrl.userLim.s_PhaseCurrLim;
  554. gFoc_Ctrl.pi_speed->max = CONFIG_MAX_NEG_TORQUE;
  555. }
  556. if ((maxSpeed == 0) && (gFoc_Ctrl.in.s_motVelocity < CONFIG_MIN_RPM_EXIT_EBRAKE)) {
  557. gFoc_Ctrl.pi_speed->max = 0;
  558. gFoc_Ctrl.pi_speed->min = 0; //防止倒转
  559. }
  560. gFoc_Ctrl.in.s_targetRPM = refSpeed;
  561. float errRef = refSpeed - gFoc_Ctrl.in.s_motVelocity;
  562. float maxTrq = PI_Controller_Run(&gFoc_Ctrl.pi_speed, errRef);
  563. #endif
  564. gFoc_Ctrl.in.s_targetTorque = PMSM_FOC_Limit_iDC(maxTrq);
  565. }
  566. PMSM_FOC_idq_Assign();
  567. }
  568. bool PMSM_FOC_RunTime_Limit(void) {
  569. bool changed = false;
  570. float dc_lim = (float)vbus_current_vol_lower_limit();
  571. float torque_lim = (float)torque_temp_high_limit();
  572. if (gFoc_Ctrl.protLim.s_iDCLim != dc_lim || gFoc_Ctrl.protLim.s_TorqueLim != torque_lim) {
  573. gFoc_Ctrl.protLim.s_iDCLim = dc_lim;
  574. gFoc_Ctrl.protLim.s_TorqueLim = torque_lim;
  575. changed = true;
  576. }
  577. return changed;
  578. }
  579. bool PMSM_FOC_iDC_is_Limited(void) {
  580. return (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE);
  581. }
  582. bool PMSM_FOC_Torque_is_Limited(void) {
  583. return (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE);
  584. }
  585. void PMSM_FOC_Slow_Task(void) {
  586. eRamp_running(&gFoc_Ctrl.rtLim.torqueLimRamp);
  587. eRamp_running(&gFoc_Ctrl.rtLim.DCCurrLimRamp);
  588. eRamp_running(&gFoc_Ctrl.rtLim.rpmLimRamp);
  589. eRamp_running(&gFoc_Ctrl.in.cruiseRpmRamp);
  590. PMSM_FOC_idqCalc();
  591. }
  592. float PMSM_FOC_Get_Real_dqVector(void) {
  593. if (gFoc_Ctrl.out.s_RealCurrentFiltered == 0) {
  594. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  595. }
  596. return gFoc_Ctrl.out.s_RealCurrentFiltered;
  597. }
  598. PMSM_FOC_Ctrl *PMSM_FOC_Get(void) {
  599. return &gFoc_Ctrl;
  600. }
  601. void PMSM_FOC_Start(u8 nCtrlMode) {
  602. if (gFoc_Ctrl.in.b_motEnable) {
  603. return;
  604. }
  605. PMSM_FOC_CoreInit();
  606. eCtrl_Reset();
  607. gFoc_Ctrl.in.n_ctlMode = nCtrlMode;
  608. gFoc_Ctrl.in.b_motEnable = true;
  609. }
  610. void PMSM_FOC_Stop(void) {
  611. if (!gFoc_Ctrl.in.b_motEnable) {
  612. return;
  613. }
  614. PMSM_FOC_CoreInit();
  615. gFoc_Ctrl.in.b_motEnable = false;
  616. }
  617. bool PMSM_FOC_Is_Start(void) {
  618. return gFoc_Ctrl.in.b_motEnable;
  619. }
  620. void PMSM_FOC_DCCurrLimit(float ibusLimit) {
  621. if (ibusLimit > gFoc_Ctrl.hwLim.s_iDCMax) {
  622. ibusLimit = gFoc_Ctrl.hwLim.s_iDCMax;
  623. }
  624. if (gFoc_Ctrl.protLim.s_iDCLim != HW_LIMIT_NONE) {
  625. ibusLimit = min(ibusLimit, gFoc_Ctrl.protLim.s_iDCLim);
  626. }
  627. gFoc_Ctrl.userLim.s_iDCLim = ibusLimit;
  628. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  629. eRamp_reset_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit);
  630. }else {
  631. eRamp_set_step_target(&gFoc_Ctrl.rtLim.DCCurrLimRamp, ibusLimit, CONFIG_eCTRL_STEP_TS);
  632. }
  633. }
  634. float PMSM_FOC_GetDCCurrLimit(void) {
  635. return gFoc_Ctrl.userLim.s_iDCLim;
  636. }
  637. void PMSM_FOC_SpeedRampLimit(float speedLimit, float speed) {
  638. if (speedLimit > gFoc_Ctrl.hwLim.s_motRPMMax) {
  639. speedLimit = gFoc_Ctrl.hwLim.s_motRPMMax;
  640. }
  641. gFoc_Ctrl.userLim.s_motRPMLim = (speedLimit);
  642. if (ABS(speed) <= CONFIG_ZERO_SPEED_RPM) {
  643. eRamp_reset_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit);
  644. }else {
  645. eRamp_set_step_target(&gFoc_Ctrl.rtLim.rpmLimRamp, speedLimit, CONFIG_eCTRL_STEP_TS);
  646. }
  647. }
  648. void PMSM_FOC_SpeedLimit(float speedLimit) {
  649. PMSM_FOC_SpeedRampLimit(speedLimit, gFoc_Ctrl.in.s_motVelocity);
  650. }
  651. void PMSM_FOC_SpeedDirectLimit(float limit) {
  652. PMSM_FOC_SpeedRampLimit(limit, 0);
  653. }
  654. float PMSM_FOC_GetSpeedLimit(void) {
  655. return gFoc_Ctrl.userLim.s_motRPMLim;
  656. }
  657. void PMSM_FOC_TorqueLimit(float torqueLimit) {
  658. if (torqueLimit > gFoc_Ctrl.hwLim.s_torqueMax) {
  659. torqueLimit = gFoc_Ctrl.hwLim.s_torqueMax;
  660. }
  661. if (gFoc_Ctrl.protLim.s_TorqueLim != HW_LIMIT_NONE) {
  662. torqueLimit = min(torqueLimit, gFoc_Ctrl.protLim.s_TorqueLim);
  663. }
  664. gFoc_Ctrl.userLim.s_torqueLim = torqueLimit;
  665. if (ABS(gFoc_Ctrl.in.s_motVelocity) <= CONFIG_ZERO_SPEED_RPM){
  666. eRamp_reset_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit);
  667. }else {
  668. eRamp_set_step_target(&gFoc_Ctrl.rtLim.torqueLimRamp, torqueLimit, CONFIG_eCTRL_STEP_TS);
  669. }
  670. }
  671. float PMSM_FOC_GetTorqueLimit(void) {
  672. return gFoc_Ctrl.userLim.s_torqueLim;
  673. }
  674. void PMSM_FOC_SetEbrkTorque(float phase_curr, float dc_curr) {
  675. gFoc_Ctrl.userLim.s_TorqueBrkLim = fclamp(phase_curr, 0, nv_get_foc_params()->s_TorqueBrkLim);
  676. gFoc_Ctrl.userLim.s_iDCeBrkLim = fclamp(dc_curr, 0, nv_get_foc_params()->s_iDCeBrkLim);
  677. }
  678. float PMSM_FOC_GetEbrkTorque(void) {
  679. return gFoc_Ctrl.userLim.s_TorqueBrkLim;
  680. }
  681. float PMSM_FOC_GetVbusVoltage(void) {
  682. return gFoc_Ctrl.in.s_vDC;
  683. }
  684. float PMSM_FOC_GetVbusCurrent(void) {
  685. return gFoc_Ctrl.out.s_FilteriDC;
  686. }
  687. DQ_t* PMSM_FOC_GetDQCurrent(void) {
  688. return &gFoc_Ctrl.out.s_RealIdq;
  689. }
  690. bool PMSM_FOC_SetCtrlMode(u8 mode) {
  691. if (mode > CTRL_MODE_EBRAKE) {
  692. PMSM_FOC_SetErrCode(FOC_Param_Err);
  693. return false;
  694. }
  695. gFoc_Ctrl.in.n_ctlMode = mode;
  696. return true;
  697. }
  698. u8 PMSM_FOC_GetCtrlMode(void) {
  699. return gFoc_Ctrl.in.n_ctlMode;
  700. }
  701. void PMSM_FOC_PhaseCurrLim(float lim) {
  702. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  703. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  704. }
  705. gFoc_Ctrl.userLim.s_PhaseCurrLim = lim;
  706. }
  707. void PMSM_FOC_RT_PhaseCurrLim(float lim) {
  708. if (lim > gFoc_Ctrl.hwLim.s_PhaseCurrMax) {
  709. lim = gFoc_Ctrl.hwLim.s_PhaseCurrMax;
  710. }
  711. eRamp_init_target(&gFoc_Ctrl.rtLim.torqueLimRamp, lim, CONFIG_LIMIT_RAMP_TIME, CONFIG_LIMIT_RAMP_TIME);
  712. }
  713. float PMSM_FOC_GetPhaseCurrLim(void) {
  714. return gFoc_Ctrl.userLim.s_PhaseCurrLim;
  715. }
  716. void PMSM_FOC_SetOpenVdq(float vd, float vq) {
  717. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[0], vd);
  718. FOC_Set_vDqRamp(&gFoc_Ctrl.vdq_ctl[1], vq);
  719. }
  720. bool PMSM_FOC_EnableCruise(bool enable) {
  721. if (enable != gFoc_Ctrl.in.b_cruiseEna) {
  722. float motSpd = PMSM_FOC_GetSpeed();
  723. if (enable && (motSpd < CONFIG_MIN_CRUISE_RPM)) { //
  724. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  725. return false;
  726. }
  727. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, motSpd, CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  728. gFoc_Ctrl.in.s_cruiseRPM = motSpd;
  729. gFoc_Ctrl.in.b_cruiseEna = enable;
  730. }
  731. return true;
  732. }
  733. bool PMSM_FOC_PauseCruise(void) {
  734. gFoc_Ctrl.in.b_cruiseEna = false;
  735. return true;
  736. }
  737. bool PMSM_FOC_ResumeCruise(void) {
  738. gFoc_Ctrl.in.b_cruiseEna = true;
  739. eRamp_init_target(&gFoc_Ctrl.in.cruiseRpmRamp, PMSM_FOC_GetSpeed(), CONFIG_ACC_TIME, CONFIG_DEC_TIME);
  740. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  741. return true;
  742. }
  743. bool PMSM_FOC_Is_CruiseEnabled(void) {
  744. return (gFoc_Ctrl.in.b_cruiseEna && (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD));
  745. }
  746. bool PMSM_FOC_Set_Speed(float rpm) {
  747. if (gFoc_Ctrl.in.b_cruiseEna) {
  748. return false;
  749. }
  750. eCtrl_set_TgtSpeed(min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm));
  751. return true;
  752. }
  753. bool PMSM_FOC_Set_Current(float is) {
  754. if (is > gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  755. is = gFoc_Ctrl.userLim.s_PhaseCurrLim;
  756. }else if (is < -gFoc_Ctrl.userLim.s_PhaseCurrLim) {
  757. is = -gFoc_Ctrl.userLim.s_PhaseCurrLim;
  758. }
  759. eCtrl_set_TgtCurrent(is);
  760. return true;
  761. }
  762. bool PMSM_FOC_Set_Torque(float trq) {
  763. if (trq > gFoc_Ctrl.userLim.s_torqueLim) {
  764. trq = gFoc_Ctrl.userLim.s_torqueLim;
  765. }else if (trq < -gFoc_Ctrl.userLim.s_torqueLim) {
  766. trq = -gFoc_Ctrl.userLim.s_torqueLim;
  767. }
  768. eCtrl_set_TgtTorque(trq);
  769. return true;
  770. }
  771. void PMSM_FOC_Reset_Torque(void) {
  772. float real_trq = PMSM_FOC_Get_Real_dqVector();
  773. eCtrl_reset_Torque(real_trq);
  774. }
  775. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  776. if (PMSM_FOC_Is_CruiseEnabled()) {
  777. if (rpm < CONFIG_MIN_CRUISE_RPM) {
  778. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  779. return false;
  780. }
  781. gFoc_Ctrl.in.s_cruiseRPM = min(ABS(rpm), gFoc_Ctrl.userLim.s_motRPMLim)*SIGN(rpm);
  782. eRamp_set_step_target(&gFoc_Ctrl.in.cruiseRpmRamp, gFoc_Ctrl.in.s_cruiseRPM, CONFIG_eCTRL_STEP_TS);
  783. return true;
  784. }
  785. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  786. return false;
  787. }
  788. void PMSM_FOC_MTPA_Calibrate(bool enable) {
  789. if (enable) {
  790. gFoc_Ctrl.in.b_MTPA_calibrate = true;
  791. gFoc_Ctrl.in.s_manualAngle = 0;
  792. }else {
  793. gFoc_Ctrl.in.s_manualAngle = INVALID_ANGLE;
  794. gFoc_Ctrl.in.b_MTPA_calibrate = false;
  795. }
  796. }
  797. void PMSM_FOC_Set_Angle(float angle) {
  798. gFoc_Ctrl.in.s_manualAngle = (angle);
  799. }
  800. void PMSM_FOC_Get_TgtIDQ(DQ_t * dq) {
  801. dq->d = gFoc_Ctrl.in.s_targetIdq.d;
  802. dq->q = gFoc_Ctrl.in.s_targetIdq.q;
  803. }
  804. float PMSM_FOC_GetSpeed(void) {
  805. return gFoc_Ctrl.in.s_motVelocity;
  806. }
  807. void PMSM_FOC_AutoHold(bool lock) {
  808. if (gFoc_Ctrl.in.b_AutoHold != lock) {
  809. motor_encoder_lock_pos(lock);
  810. PI_Controller_Reset(&gFoc_Ctrl.pi_lock, 0);
  811. if (!lock) {
  812. //解锁后为了防止倒溜,需要把当前
  813. if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_TRQ) {
  814. #ifdef CONFIG_SPEED_LADRC
  815. ladrc_reset(&gFoc_Ctrl.vel_lim_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  816. #else
  817. PI_Controller_Reset(&gFoc_Ctrl.pi_torque, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  818. #endif
  819. }else if (gFoc_Ctrl.out.n_RunMode == CTRL_MODE_SPD) {
  820. #ifdef CONFIG_SPEED_LADRC
  821. ladrc_reset(&gFoc_Ctrl.vel_adrc, 0, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  822. #else
  823. PI_Controller_Reset(&gFoc_Ctrl.pi_speed, gFoc_Ctrl.in.s_targetTorque * 1.1f);
  824. #endif
  825. }
  826. eCtrl_reset_Torque(gFoc_Ctrl.in.s_targetTorque);
  827. gFoc_Ctrl.out.f_autohold_trq = gFoc_Ctrl.in.s_targetTorque;
  828. }else {
  829. gFoc_Ctrl.out.f_autohold_trq = 0;
  830. }
  831. gFoc_Ctrl.in.b_AutoHold = lock;
  832. }
  833. }
  834. bool PMSM_FOC_AutoHoldding(void) {
  835. return gFoc_Ctrl.in.b_AutoHold;
  836. }
  837. static PI_Controller *_pid(u8 id) {
  838. PI_Controller *pi = NULL;
  839. if (id == PID_D_id) {
  840. pi = &gFoc_Ctrl.pi_id;
  841. }else if (id == PID_Q_id) {
  842. pi = &gFoc_Ctrl.pi_iq;
  843. }else if (id == PID_TRQ_id) {
  844. #ifndef CONFIG_SPEED_LADRC
  845. pi = &gFoc_Ctrl.pi_torque;
  846. #endif
  847. }else if (id == PID_Spd_id) {
  848. #ifndef CONFIG_SPEED_LADRC
  849. pi = &gFoc_Ctrl.pi_speed;
  850. #endif
  851. }
  852. return pi;
  853. }
  854. void PMSM_FOC_SetPid(u8 id, float kp, float ki, float kd) {
  855. if (id > PID_Max_id) {
  856. return;
  857. }
  858. PI_Controller *pi = _pid(id);
  859. if (pi != NULL) {
  860. pi->kp = kp;
  861. pi->ki = ki;
  862. pi->kd = kd;
  863. }
  864. }
  865. void PMSM_FOC_GetPid(u8 id, float *kp, float *ki, float *kd) {
  866. if (id > PID_Max_id) {
  867. return;
  868. }
  869. PI_Controller *pi = _pid(id);
  870. if (pi != NULL) {
  871. *kp = pi->kp;
  872. *ki = pi->ki;
  873. *kd = pi->kd;
  874. }
  875. }
  876. void PMSM_FOC_SetErrCode(u8 error) {
  877. if (gFoc_Ctrl.out.n_Error != error) {
  878. gFoc_Ctrl.out.n_Error = error;
  879. }
  880. }
  881. u8 PMSM_FOC_GetErrCode(void) {
  882. return gFoc_Ctrl.out.n_Error;
  883. }
  884. void PMSM_FOC_Set_PlotType(Plot_t t) {
  885. gFoc_Ctrl.plot_type = t;
  886. }
  887. //获取母线电流和实际输出电流矢量大小
  888. void PMSM_FOC_Calc_Current(void) {
  889. float vd = gFoc_Ctrl.out.s_OutVdq.d;
  890. float vq = gFoc_Ctrl.out.s_OutVdq.q;
  891. float id = gFoc_Ctrl.out.s_FilterIdq.d;
  892. float iq = gFoc_Ctrl.out.s_FilterIdq.q;
  893. /*
  894. 根据公式(等幅值变换,功率不等):
  895. iDC x vDC = 2/3(iq x vq + id x vd);
  896. */
  897. float m_pow = (vd * id + vq * iq); //s32q10
  898. float raw_idc = m_pow / get_vbus_float();// * 1.5f * 0.66f; //s16q5
  899. LowPass_Filter(gFoc_Ctrl.out.s_CalciDC, raw_idc, 0.1f);
  900. raw_idc = get_vbus_current();
  901. LowPass_Filter(gFoc_Ctrl.out.s_FilteriDC, raw_idc, 0.1f);
  902. gFoc_Ctrl.out.s_RealCurrentFiltered = sqrtf(SQ(gFoc_Ctrl.out.s_FilterIdq.d) + SQ(gFoc_Ctrl.out.s_FilterIdq.q));
  903. }
  904. void PMSM_FOC_Brake(bool brake) {
  905. gFoc_Ctrl.in.b_eBrake = brake;
  906. if (gFoc_Ctrl.in.b_eBrake & gFoc_Ctrl.in.b_cruiseEna) {
  907. gFoc_Ctrl.in.b_cruiseEna = false;
  908. }
  909. eCtrl_brake_signal(brake);
  910. }