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- #ifndef EBRAKE_CTRL_H__
- #define EBRAKE_CTRL_H__
- #include "os/os_types.h"
- #include "foc/core/ramp_ctrl.h"
- #include "foc/foc_config.h"
- #include "math/fast_math.h"
- #include "math/fix_math.h"
- typedef struct {
- float start;
- float target;
- float interpolation;
- float step_val;
- float first_target;
- float first_step;
- float A;
- float acct;
- float dect;
- float time;
- }e_Ramp;
- typedef struct {
- u16 ebrk_time; //能量回收,时间越短,刹车性能或者回收越好
- u16 accl_time; //加速时间(ms),时间越短,加速性能越好
- u16 dec_time; //降速时间
- bool hw_brake;
- bool is_ebrake;
- u32 brake_ts;//检测到刹车开始时间
- e_Ramp current;
- e_Ramp torque;
- e_Ramp speed;
- u16 ebrk_time_shadow;
- u16 accl_time_shadow;
- u16 dec_time_shadow;
- float ebrake_current;
- float current_shadow;
- float torque_shadow;
- float speed_shadow;
- }e_Ctrl;
- static void eRamp_init(e_Ramp *r, u32 acc, u32 dec) {
- r->start = 0;
- r->target = 0;
- r->first_target = 0;
- r->interpolation = 0;
- r->step_val = 0;
- r->first_step = 0;
- r->acct = (float)acc;
- r->dect = (float)dec;
- }
- static void eRamp_init_target(e_Ramp *r, float target, u32 acc, u32 dec) {
- r->start = target;
- r->target = target;
- r->first_target = target;
- r->interpolation = target;
- r->step_val = 0;
- r->first_step = 0;
- r->acct = (float)acc;
- r->dect = (float)dec;
- }
- static void eRamp_init_target2(e_Ramp *r, float target, u32 time) {
- eRamp_init_target(r, target, time, time);
- }
- static void eRamp_reset_target(e_Ramp *r, float target) {
- r->start = target;
- r->target = target;
- r->first_target = target;
- r->interpolation = target;
- r->step_val = 0;
- r->first_step = 0;
- }
- static void eRamp_set_time(e_Ramp *r, u32 acc, u32 dec) {
- r->acct = (float)acc;
- r->dect = (float)dec;
- }
- static void eRamp_set_target(e_Ramp *r, float target) {
- r->target = target;
- }
- static void eRamp_set_step(e_Ramp *r, float step) {
- r->step_val = step;
- }
- static void eRamp_running(e_Ramp *r) {
- float target = r->interpolation + r->step_val;
- if (r->step_val < 0) {
- if (target < r->target) {
- target = r->target;
- }
- }else {
- if (target > r->target) {
- target = r->target;
- }
- }
- r->interpolation = target;
- }
- static float eRamp_get_intepolation(e_Ramp *r) {
- return r->interpolation;
- }
- static float eRamp_get_target(e_Ramp *r) {
- return r->target;
- }
- static void eRamp_set_step_target(e_Ramp *ramp, float c, u32 intval) {
- float c_now = eRamp_get_intepolation(ramp);
- float step_val = 0;
- float delta = c - c_now;
- float step_ms = intval;
- if (delta >= 0) {
- step_val = (delta)/(ramp->acct/step_ms);
- }else {
- step_val = (delta)/(ramp->dect/step_ms);
- }
- eRamp_set_target(ramp, c);
- eRamp_set_step(ramp, step_val);
- }
- #if 0
- extern float PMSM_FOC_GetSpeed(void);
- static void eRamp_X2_running(e_Ramp *r) {
- #if 1
- float target = r->target;
- float v_now = r->interpolation;
- bool cross_zero = false;
- if (target > 0) {
- if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET * 1.5f) {
- if (PMSM_FOC_GetSpeed() <= 20.0f) {
- step_towards(&r->interpolation, target, 0.02f);
- }else {
- step_towards(&r->interpolation, target, 0.04f);
- }
- cross_zero = true;
- }
- }else if (target == 0) {
- if (v_now >= 0 && v_now <= CONFIG_RAMP_SECOND_TARGET) {
- step_towards(&r->interpolation, target, 0.01f);
- cross_zero = true;
- }
- }else {
- if (v_now >= -CONFIG_RAMP_SECOND_TARGET && v_now <= CONFIG_RAMP_SECOND_TARGET) {
- step_towards(&r->interpolation, target, 0.01f);
- cross_zero = true;
- }
- }
- if (!cross_zero) {
- step_towards(&r->interpolation, target, 1.0f);
- }
- #else
- if (r->first_step != 0) {
- float interpolation = r->interpolation + r->first_step;
- if ((r->first_step > 0) && (interpolation >= r->first_target)) {
- interpolation = r->first_target;
- r->first_step = r->first_target = 0;
- }else if ((r->first_step < 0) && (interpolation <= r->first_target)) {
- interpolation = r->first_target;
- r->first_step = r->first_target = 0;
- }
- r->interpolation = interpolation;
- return;
- }
-
- eRamp_running(r);
- #endif
- }
- #else
- static void eRamp_X2_running(e_Ramp *r) {
- eRamp_running(r);
- }
- #endif
- #if 0
- static void eRamp_set_X2_target(e_Ramp *r, float c) {
- #if 1
- eRamp_set_target(r, c);
- #else
- float c_now = eRamp_get_intepolation(ramp);
- float step_val = 0;
- float delta = c - c_now;
- float step_ms = CONFIG_eCTRL_STEP_TS;
- if (delta > 0) {
- step_val = (delta)/(ramp->acct/step_ms);
- if (step_val > CONFIG_RAMP_SECOND_STEP) {
- float first_delta = min(delta, CONFIG_RAMP_SECOND_TARGET);
- ramp->first_target = c_now + first_delta;
- ramp->first_step = CONFIG_RAMP_SECOND_STEP;
- delta -= first_delta;
- step_val = (delta)/(ramp->acct/step_ms);
- }else {
- ramp->first_target = ramp->first_step = 0.0f;
- }
- }else if (delta < 0){
- step_val = (delta)/(ramp->dect/step_ms);
- if (ABS(step_val) > CONFIG_RAMP_SECOND_STEP) {
- float first_delta = MAX(delta, -CONFIG_RAMP_SECOND_TARGET);
- ramp->first_target = c_now + first_delta;
- ramp->first_step = -CONFIG_RAMP_SECOND_STEP;
- delta -= first_delta;
- step_val = (delta)/(ramp->dect/step_ms);
- }else {
- ramp->first_target = ramp->first_step = 0.0f;
- }
- }else {
- step_val = 0;
- ramp->first_step = ramp->first_target = 0;
- }
- eRamp_set_target(ramp, c);
- eRamp_set_step(ramp, step_val);
- #endif
- }
- #else
- static void eRamp_set_X2_target(e_Ramp *r, float c) {
- eRamp_set_step_target(r, c, CONFIG_eCTRL_STEP_TS);
- }
- #endif
- extern e_Ctrl g_eCtrl;
- static u16 eCtrl_get_torque_acc_time(void) {
- return (u16)g_eCtrl.torque.acct;
- }
- static void eCtrl_Set_eBrk_RampTime(u16 t) {
- g_eCtrl.ebrk_time_shadow = t;
- }
- //y=Ax^2;
- void eCtrl_init(u16 accl_time, u16 dec_time);
- void eCtrl_brake_signal(bool hw_brake);
- bool eCtrl_is_eBrk_Running(void);
- void eCtrl_set_TgtCurrent(float c);
- void eCtrl_set_TgtTorque(float t);
- void eCtrl_set_TgtSpeed(float s);
- bool eCtrl_enable_eBrake(bool enable);
- float eCtrl_get_RefSpeed(void);
- float eCtrl_get_RefCurrent(void);
- float eCtrl_get_RefTorque(void);
- float eCtrl_get_FinalSpeed(void);
- float eCtrl_get_FinalCurrent(void);
- float eCtrl_get_FinalTorque(void);
- void eCtrl_Running(void);
- void eCtrl_Reset(void);
- void eCtrl_reset_Torque(float init_trq);
- void eCtrl_reset_Current(float init_curr);
- void eCtrl_set_accl_time(u16 time);
- #endif /* EBRAKE_CTRL_H__ */
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