foc_core.c 6.5 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. #include "foc/core/PI_Controller.h"
  13. pmsm_foc_t pmsm_foc = {0};
  14. extern void PMSM_FOC_Init(void);
  15. extern ExtU *PMSM_FOC_GetInputs(void);
  16. extern ExtY *PMSM_FOC_GetOutputs(void);
  17. extern void PMSM_FOC_Step(void);
  18. extern P *PMSM_FOC_GetParams(void);
  19. PI_Controller pi;
  20. void PMSM_FOC_CoreInit(void) {
  21. mc_hall_init();
  22. eCtrl_init(0, 0); //default
  23. PMSM_FOC_Init();
  24. pmsm_foc.FOC_In = PMSM_FOC_GetInputs();
  25. pmsm_foc.FOC_Out = PMSM_FOC_GetOutputs();
  26. pmsm_foc.FOC_P = PMSM_FOC_GetParams();
  27. pmsm_foc.FOC_P->i_pwm_count = FOC_PWM_Half_Period;
  28. pmsm_foc.FOC_P->n_polePairs = 4;
  29. pmsm_foc.FOC_P->id_fieldWeakMax = S16Q5(-50);
  30. pmsm_foc.FOC_P->i_dqMax = S16Q5(150);
  31. pmsm_foc.FOC_P->V_modulation = S16Q14(0.95f);
  32. pmsm_foc.FOC_Out->n_Sector = 1;
  33. PMSM_FOC_iBusLimit(S16Q5(Default_iDC_Limit));
  34. PMSM_FOC_SpeedLimit(S32Q4(Default_Spd_Limit));
  35. }
  36. static __INLINE void PMSM_FOC_PWMCurrent_Update(void) {
  37. if (pmsm_foc.b_lockmot) {
  38. pwm_update_duty(0, 0, 0);
  39. pwm_update_sample(FOC_PWM_Half_Period/2, FOC_PWM_Half_Period, 1);
  40. }else {
  41. current_samp_t *cs = get_phase_sample_point(pmsm_foc.FOC_Out->n_Sector-1);
  42. pwm_update_duty(pmsm_foc.FOC_Out->n_Duty[0], pmsm_foc.FOC_Out->n_Duty[1], pmsm_foc.FOC_Out->n_Duty[2]);
  43. //pwm_update_sample(cs->time.Samp_p1, cs->time.Samp_p2, cs->sector);
  44. }
  45. }
  46. void PMSM_FOC_Schedule(void) {
  47. phase_current_sample(&pmsm_foc.FOC_In->adc_Phase[0], &pmsm_foc.FOC_In->adc_Phase[1], &pmsm_foc.FOC_In->adc_Phase[2]);
  48. pmsm_foc.FOC_In->sys_ticks = hall_get_hwcount(pmsm_foc.FOC_In->hall_abc);
  49. if (pmsm_foc.FOC_In->n_ctrlMod == SPD_MODE) {
  50. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_RefSpd());
  51. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_FinalTorque());
  52. }else if(pmsm_foc.FOC_In->n_ctrlMod == TRQ_MODE){
  53. pmsm_foc.FOC_In->spd_Target = S32Q4(eCtrl_get_FinalSpd());
  54. pmsm_foc.FOC_In->idq_Target = S16Q5(eCtrl_get_RefTorque());
  55. }
  56. PI_Controller_run(&pi, 111);
  57. //PMSM_FOC_Step();
  58. pmsm_foc.FOC_Out->n_Duty[0] = pmsm_foc.FOC_Out->n_Duty[1] = pmsm_foc.FOC_Out->n_Duty[2] = FOC_PWM_Half_Period;
  59. PMSM_FOC_PWMCurrent_Update();
  60. }
  61. void PMSM_FOC_Start(u8 nCtrlMode) {
  62. if (pmsm_foc.b_FocEna) {
  63. return;
  64. }
  65. pmsm_foc.b_FocEna = true;
  66. pmsm_foc.FOC_In->b_motEna = true;
  67. pmsm_foc.FOC_In->n_ctrlMod = nCtrlMode;
  68. pmsm_foc.FOC_In->b_cruiseEna = 0;
  69. pmsm_foc.FOC_In->spd_Target = 0;
  70. pmsm_foc.FOC_In->idq_Target = 0;
  71. pmsm_foc.FOC_In->vdq_Target[0] = 0;
  72. pmsm_foc.FOC_In->vdq_Target[1] = 0;
  73. }
  74. void PMSM_FOC_Stop(void) {
  75. if (!pmsm_foc.b_FocEna) {
  76. return;
  77. }
  78. pmsm_foc.b_FocEna = false;
  79. memset(pmsm_foc.FOC_In, 0, sizeof(ExtU));
  80. }
  81. bool PMSM_FOC_Is_Start(void) {
  82. return pmsm_foc.FOC_In->b_motEna;
  83. }
  84. void PMSM_FOC_iBusLimit(s16q5_t ibusLimit) {
  85. pmsm_foc.FOC_In->iDC_Limit = (ibusLimit);
  86. }
  87. void PMSM_FOC_SpeedLimit(s32q4_t speedLimit) {
  88. pmsm_foc.FOC_In->spd_Limit = (speedLimit);
  89. }
  90. float PMSM_FOC_GetSpeedLimit(void) {
  91. return S32Q4toF(pmsm_foc.FOC_In->spd_Limit);
  92. }
  93. void PMSM_FOC_VbusVoltage(s16q5_t vbusVol) {
  94. pmsm_foc.FOC_In->vDC = (vbusVol);
  95. }
  96. void PMSM_FOC_SetCtrlMode(uint8_T mode) {
  97. pmsm_foc.FOC_In->n_ctrlMod = mode;
  98. }
  99. void PMSM_FOC_SetOpenVdq(s16q5_t vd, s16q5_t vq) {
  100. pmsm_foc.FOC_In->vdq_Target[0] = (vd);
  101. pmsm_foc.FOC_In->vdq_Target[1] = (vq);
  102. }
  103. bool PMSM_FOC_EnableCruise(boolean_T enable) {
  104. if (enable) {
  105. float motSpd = PMSM_FOC_GetSpeed();
  106. if (motSpd < MIN_CRUISE_RPM) { //
  107. PMSM_FOC_SetErrCode(FOC_NowAllowed_With_Speed);
  108. return false;
  109. }
  110. eCtrl_set_TargetSpeed(motSpd);
  111. }
  112. pmsm_foc.FOC_In->b_cruiseEna = enable;
  113. return true;
  114. }
  115. bool PMSM_FOC_Is_CruiseEnabled(void) {
  116. return (pmsm_foc.FOC_In->b_cruiseEna && (pmsm_foc.FOC_Out->n_FocMode == SPD_MODE));
  117. }
  118. bool PMSM_FOC_Set_Speed(float rpm) {
  119. if (pmsm_foc.FOC_In->b_cruiseEna) {
  120. return false;
  121. }
  122. eCtrl_set_TargetSpeed(rpm);
  123. return true;
  124. }
  125. bool PMSM_FOC_Set_Current(float current) {
  126. eCtrl_set_TrqCurrent(current);
  127. return true;
  128. }
  129. bool PMSM_FOC_Set_CruiseSpeed(float rpm) {
  130. if (PMSM_FOC_Is_CruiseEnabled()) {
  131. eCtrl_set_TargetSpeed(rpm);
  132. return true;
  133. }
  134. PMSM_FOC_SetErrCode(FOC_NotCruiseMode);
  135. return false;
  136. }
  137. void PMSM_FOC_HallCalibrate(boolean_T b_caliHall, s16 open_vd) {
  138. if (pmsm_foc.FOC_In->b_motEna == b_caliHall) { //motor must be stoped when start cali
  139. return;
  140. }
  141. pmsm_foc.FOC_In->vdq_Target[0] = S16Q4(open_vd);
  142. pmsm_foc.FOC_In->vdq_Target[1] = 0;
  143. pmsm_foc.FOC_In->n_ctrlMod = OPEN_MODE;
  144. }
  145. void PMSM_FOC_Set_Vdq(s16 vd, s16 vq) {
  146. pmsm_foc.FOC_In->vdq_Target[0] = S16Q4(vd);
  147. pmsm_foc.FOC_In->vdq_Target[1] = S16Q4(vq);
  148. }
  149. void PMSM_FOC_Set_Angle(s16 angle) {
  150. pmsm_foc.FOC_In->set_Angle = S16Q14(angle);
  151. }
  152. float PMSM_FOC_GetSpeed(void) {
  153. return S32Q4toF(pmsm_foc.FOC_Out->f_MotRPM);
  154. }
  155. void PMSM_FOC_SetErrCode(u8 code) {
  156. pmsm_foc.error_code = code;
  157. }
  158. u8 PMSM_FOC_GetErrCode(void) {
  159. return pmsm_foc.error_code;
  160. }
  161. void PMSM_FOC_LockMotor(bool lock) {
  162. pmsm_foc.b_lockmot = lock;
  163. }
  164. void PMSM_FOC_SetSpdPid(float kp, float ki, float kb) {
  165. pmsm_foc.FOC_P->cf_nKp = S16Q10(kp);
  166. pmsm_foc.FOC_P->cf_nKi = S16Q14(ki);
  167. pmsm_foc.FOC_P->cf_nKb = S16Q14(kb);
  168. }
  169. void PMSM_FOC_SetIDPid(float kp, float ki, float kb) {
  170. pmsm_foc.FOC_P->cf_idKp = S16Q10(kp);
  171. pmsm_foc.FOC_P->cf_idKi = S16Q14(ki);
  172. pmsm_foc.FOC_P->cf_idKb = S16Q14(kb);
  173. }
  174. void PMSM_FOC_SetIQPid(float kp, float ki, float kb) {
  175. pmsm_foc.FOC_P->cf_iqKp = S16Q10(kp);
  176. pmsm_foc.FOC_P->cf_iqKi = S16Q14(ki);
  177. pmsm_foc.FOC_P->cf_iqKb = S16Q14(kb);
  178. }
  179. void PMSM_FOC_SetTrqPid(float kp, float ki, float kb) {
  180. }
  181. void PMSM_FOC_SetFW_I(float ki, float kb) {
  182. pmsm_foc.FOC_P->cf_Fw_Ki = S16Q10(ki);
  183. pmsm_foc.FOC_P->cf_Fw_Kb = S16Q10(kb);
  184. }
  185. s16 PMSM_FOC_Add_Hall_Offset(s16 offset) {
  186. pmsm_foc.FOC_P->i_hall_offset = S16Q4(offset);
  187. return (s16)S16Q4toF(pmsm_foc.FOC_P->i_hall_offset);
  188. }
  189. //获取母线电流
  190. float PMSM_FOC_Get_iDC(void) {
  191. s32 vd = pmsm_foc.FOC_Out->f_Vdq[0];
  192. s32 vq = pmsm_foc.FOC_Out->f_Vdq[1];
  193. s32 id = pmsm_foc.FOC_Out->f_Idq[0];
  194. s32 iq = pmsm_foc.FOC_Out->f_Idq[1];
  195. /*
  196. 根据公式(等幅值变换,功率不等):
  197. iDC x vDC = 2/3(iq x vq + id x vd);
  198. */
  199. s32 m_pow = (vd * id + vq * iq); //s32q10
  200. s16 iDC = m_pow / pmsm_foc.FOC_In->vDC; //s16q5
  201. return S16Q5toF(iDC) * 0.667f;
  202. }
  203. void PMSM_FOC_Brake(bool brake) {
  204. pmsm_foc.b_brake_in = brake;
  205. if (!pmsm_foc.FOC_In->b_motEna) {
  206. return;
  207. }
  208. if (pmsm_foc.b_brake_in & pmsm_foc.FOC_In->b_cruiseEna) {
  209. pmsm_foc.FOC_In->b_cruiseEna = false;
  210. }
  211. eCtrl_brake_signal(brake);
  212. }