foc_core.c 6.3 KB

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  1. #include "os/os_task.h"
  2. #include "bsp/pwm.h"
  3. #include "bsp/adc.h"
  4. #include "bsp/mc_hall_gpio.h"
  5. #include "foc/core/foc_core.h"
  6. #include "foc/motor/current.h"
  7. #include "foc/core/e_ctrl.h"
  8. #include "foc/foc_config.h"
  9. #include "bsp/timer_count32.h"
  10. #include "libs/time_measure.h"
  11. #include "libs/logger.h"
  12. pmsm_foc_t pmsm_foc = {0};
  13. extern void PMSM_FOC_Init(void);
  14. extern ExtU *PMSM_FOC_GetInputs(void);
  15. extern ExtY *PMSM_FOC_GetOutputs(void);
  16. extern void PMSM_FOC_Step(void);
  17. extern P *PMSM_FOC_GetParams(void);
  18. void PMSM_FOC_CoreInit(void) {
  19. mc_hall_init();
  20. eCtrl_init(0, 0); //default
  21. PMSM_FOC_Init();
  22. pmsm_foc.FOC_In = PMSM_FOC_GetInputs();
  23. pmsm_foc.FOC_Out = PMSM_FOC_GetOutputs();
  24. pmsm_foc.FOC_P = PMSM_FOC_GetParams();
  25. pmsm_foc.FOC_P->i_pwm_count = FOC_PWM_Half_Period;
  26. pmsm_foc.FOC_P->n_polePairs = 4;
  27. pmsm_foc.FOC_P->id_fieldWeakMax = S16Q5(-50);
  28. pmsm_foc.FOC_P->i_dqMax = S16Q5(150);
  29. pmsm_foc.FOC_P->V_modulation = S16Q14(0.95f);
  30. PMSM_FOC_iBusLimit(S16Q5(Default_iDC_Limit));
  31. PMSM_FOC_SpeedLimit(S32Q4(Default_Spd_Limit));
  32. }
  33. static __INLINE void PMSM_FOC_PWMCurrent_Update(void) {
  34. if (pmsm_foc.b_lockmot) {
  35. pwm_update_duty(0, 0, 0);
  36. pwm_update_sample(FOC_PWM_Half_Period/2, FOC_PWM_Half_Period, 1);
  37. }else {
  38. current_samp_t *cs = get_phase_sample_point(pmsm_foc.FOC_Out->n_Sector);
  39. pwm_update_duty(pmsm_foc.FOC_Out->n_Duty[0], pmsm_foc.FOC_Out->n_Duty[1], pmsm_foc.FOC_Out->n_Duty[2]);
  40. pwm_update_sample(cs->time.Samp_p1, cs->time.Samp_p2, cs->sector);
  41. }
  42. }
  43. void PMSM_FOC_Schedule(void) {
  44. pwm_clear_updata();
  45. phase_current_sample(&pmsm_foc.FOC_In->adc_Phase[0], &pmsm_foc.FOC_In->adc_Phase[1], &pmsm_foc.FOC_In->adc_Phase[2]);
  46. pmsm_foc.FOC_In->sys_ticks = hall_get_hwcount(pmsm_foc.FOC_In->hall_abc);
  47. if (pmsm_foc.FOC_In->n_ctrlMod == SPD_MODE) {
  48. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_RefSpd());
  49. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_FinalTorque());
  50. }else if(pmsm_foc.FOC_In->n_ctrlMod == TRQ_MODE){
  51. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_FinalSpd());
  52. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_RefTorque());
  53. }
  54. PMSM_FOC_Step();
  55. PMSM_FOC_PWMCurrent_Update();
  56. }
  57. void PMSM_FOC_Start(u8 nCtrlMode) {
  58. if (pmsm_foc.b_FocEna) {
  59. return;
  60. }
  61. pmsm_foc.b_FocEna = true;
  62. pmsm_foc.FOC_In->b_motEna = true;
  63. pmsm_foc.FOC_In->n_ctrlMod = nCtrlMode;
  64. pmsm_foc.FOC_In->b_cruiseEna = 0;
  65. pmsm_foc.FOC_In->spd_Target = 0;
  66. pmsm_foc.FOC_In->idq_Target = 0;
  67. pmsm_foc.FOC_In->vdq_Target[0] = 0;
  68. pmsm_foc.FOC_In->vdq_Target[1] = 0;
  69. }
  70. void PMSM_FOC_Stop(void) {
  71. if (!pmsm_foc.b_FocEna) {
  72. return;
  73. }
  74. pmsm_foc.b_FocEna = false;
  75. memset(pmsm_foc.FOC_In, 0, sizeof(ExtU));
  76. }
  77. bool PMSM_FOC_Is_Start(void) {
  78. return pmsm_foc.FOC_In->b_motEna;
  79. }
  80. void PMSM_FOC_iBusLimit(_s16q5_t ibusLimit) {
  81. pmsm_foc.FOC_In->iDC_Limit = (ibusLimit);
  82. }
  83. void PMSM_FOC_SpeedLimit(_s32q4_t speedLimit) {
  84. pmsm_foc.FOC_In->spd_Limit = (speedLimit);
  85. }
  86. float PMSM_FOC_GetSpeedLimit(void) {
  87. return S32Q4toF(pmsm_foc.FOC_In->spd_Limit);
  88. }
  89. void PMSM_FOC_VbusVoltage(_s16q5_t vbusVol) {
  90. pmsm_foc.FOC_In->vDC = (vbusVol);
  91. }
  92. void PMSM_FOC_SetCtrlMode(uint8_T mode) {
  93. pmsm_foc.FOC_In->n_ctrlMod = mode;
  94. }
  95. void PMSM_FOC_SetOpenVdq(_s16q5_t vd, _s16q5_t vq) {
  96. pmsm_foc.FOC_In->vdq_Target[0] = (vd);
  97. pmsm_foc.FOC_In->vdq_Target[1] = (vq);
  98. }
  99. bool PMSM_FOC_EnableCruise(boolean_T enable) {
  100. if (enable) {
  101. float motSpd = PMSM_FOC_GetSpeed();
  102. if (motSpd < MIN_CRUISE_RPM) { //
  103. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  104. return false;
  105. }
  106. eCtrl_set_TargetSpeed(motSpd);
  107. }
  108. pmsm_foc.FOC_In->b_cruiseEna = enable;
  109. return true;
  110. }
  111. bool PMSM_FOC_Is_CruiseEnabled(void) {
  112. return (pmsm_foc.FOC_In->b_cruiseEna && (pmsm_foc.FOC_Out->n_FocMode == SPD_MODE));
  113. }
  114. bool PMSM_FOC_Set_Speed(float rpm) {
  115. if (pmsm_foc.FOC_In->b_cruiseEna) {
  116. return false;
  117. }
  118. eCtrl_set_TargetSpeed(rpm);
  119. return true;
  120. }
  121. bool PMSM_FOC_Set_Current(float current) {
  122. eCtrl_set_TrqCurrent(current);
  123. return true;
  124. }
  125. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  126. if (PMSM_FOC_Is_CruiseEnabled()) {
  127. eCtrl_set_TargetSpeed(rpm);
  128. return true;
  129. }
  130. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  131. return false;
  132. }
  133. void PMSM_FOC_HallCalibrate(boolean_T b_caliHall, s16 open_vd) {
  134. if (pmsm_foc.FOC_In->b_motEna == b_caliHall) { //motor must be stoped when start cali
  135. return;
  136. }
  137. pmsm_foc.FOC_In->vdq_Target[0] = S16Q4(open_vd);
  138. pmsm_foc.FOC_In->vdq_Target[1] = 0;
  139. pmsm_foc.FOC_In->n_ctrlMod = OPEN_MODE;
  140. }
  141. void PMSM_FOC_Set_Vdq(s16 vd, s16 vq) {
  142. pmsm_foc.FOC_In->vdq_Target[0] = S16Q4(vd);
  143. pmsm_foc.FOC_In->vdq_Target[1] = S16Q4(vq);
  144. }
  145. void PMSM_FOC_Set_Angle(s16 angle) {
  146. pmsm_foc.FOC_In->set_Angle = S16Q14(angle);
  147. }
  148. float PMSM_FOC_GetSpeed(void) {
  149. return S32Q4toF(pmsm_foc.FOC_Out->f_MotRPM);
  150. }
  151. void PMSM_FOC_SetErrCode(u8 code) {
  152. pmsm_foc.error_code = code;
  153. }
  154. u8 PMSM_FOC_GetErrCode(void) {
  155. return pmsm_foc.error_code;
  156. }
  157. void PMSM_FOC_LockMotor(bool lock) {
  158. pmsm_foc.b_lockmot = lock;
  159. }
  160. void PMSM_FOC_SetSpdPid(float kp, float ki, float kb) {
  161. pmsm_foc.FOC_P->cf_nKp = S16Q10(kp);
  162. pmsm_foc.FOC_P->cf_nKi = S16Q14(ki);
  163. pmsm_foc.FOC_P->cf_nKb = S16Q14(kb);
  164. }
  165. void PMSM_FOC_SetIDPid(float kp, float ki, float kb) {
  166. pmsm_foc.FOC_P->cf_idKp = S16Q10(kp);
  167. pmsm_foc.FOC_P->cf_idKi = S16Q14(ki);
  168. pmsm_foc.FOC_P->cf_idKb = S16Q14(kb);
  169. }
  170. void PMSM_FOC_SetIQPid(float kp, float ki, float kb) {
  171. pmsm_foc.FOC_P->cf_iqKp = S16Q10(kp);
  172. pmsm_foc.FOC_P->cf_iqKi = S16Q14(ki);
  173. pmsm_foc.FOC_P->cf_iqKb = S16Q14(kb);
  174. }
  175. void PMSM_FOC_SetTrqPid(float kp, float ki, float kb) {
  176. }
  177. void PMSM_FOC_SetFW_I(float ki, float kb) {
  178. pmsm_foc.FOC_P->cf_Fw_Ki = S16Q10(ki);
  179. pmsm_foc.FOC_P->cf_Fw_Kb = S16Q10(kb);
  180. }
  181. s16 PMSM_FOC_Add_Hall_Offset(s16 offset) {
  182. pmsm_foc.FOC_P->i_hall_offset = S16Q4(offset);
  183. return (s16)S16Q4toF(pmsm_foc.FOC_P->i_hall_offset);
  184. }
  185. //获取母线电流
  186. float PMSM_FOC_Get_iDC(void) {
  187. s32 vd = pmsm_foc.FOC_Out->f_Vdq[0];
  188. s32 vq = pmsm_foc.FOC_Out->f_Vdq[1];
  189. s32 id = pmsm_foc.FOC_Out->f_Idq[0];
  190. s32 iq = pmsm_foc.FOC_Out->f_Idq[1];
  191. /*
  192. 根据公式(等幅值变换,功率不等):
  193. iDC x vDC = 2/3(iq x vq + id x vd);
  194. */
  195. s32 m_pow = (vd * id + vq * iq); //s32q10
  196. s16 iDC = m_pow / pmsm_foc.FOC_In->vDC; //s16q5
  197. return S16Q5toF(iDC) * 0.667f;
  198. }
  199. void PMSM_FOC_Brake(bool brake) {
  200. pmsm_foc.b_brake_in = brake;
  201. if (!pmsm_foc.FOC_In->b_motEna) {
  202. return;
  203. }
  204. if (pmsm_foc.b_brake_in & pmsm_foc.FOC_In->b_cruiseEna) {
  205. pmsm_foc.FOC_In->b_cruiseEna = false;
  206. }
  207. eCtrl_brake_signal(brake);
  208. }