ed1a174ab1
modified: MDK-ARM/DevC/DevC.axf modified: MDK-ARM/DevC/DevC.hex modified: User/module/config.c modified: User/module/gimbal.c modified: User/module/gimbal.h modified: User/task/ai.c modified: User/task/atti_esti.c modified: User/task/rc.c modified: User/task/user_task.c
299 lines
10 KiB
C
299 lines
10 KiB
C
/*
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* 云台模组
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*/
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/* Includes ----------------------------------------------------------------- */
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#include "gimbal.h"
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#include "bsp/can.h"
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#include "bsp/time.h"
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#include <math.h>
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#include "component/filter.h"
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#include "component/pid.h"
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#include "device/motor_dm.h"
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#include "device/motor_rm.h"
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#include "module/config.h"
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/* Private typedef ---------------------------------------------------------- */
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/* Private define ----------------------------------------------------------- */
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/* Private macro ------------------------------------------------------------ */
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/* Private variables -------------------------------------------------------- */
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/* Private function -------------------------------------------------------- */
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/* Private define ----------------------------------------------------------- */
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#define YAW_MAX_OUTPUT 0.3f /* Yaw轴(大疆电机)最大输出比例限制，范围：0.0 到 1.0 */
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#define PIT_MAX_TORQUE 1.0f /* Pitch轴(达妙电机)最大扭矩限制，单位：N·m (请根据实际情况调整) */
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/**
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* \brief 设置云台模式
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*
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* \param c 包含云台数据的结构体
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* \param mode 要设置的模式
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*
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* \return 函数运行结果
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*/
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static int8_t Gimbal_SetMode(Gimbal_t *g, Gimbal_Mode_t mode) {
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if (g == NULL)
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return -1;
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if (mode == g->mode)
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return GIMBAL_OK;
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PID_Reset(&g->pid.yaw_angle);
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PID_Reset(&g->pid.yaw_omega);
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PID_Reset(&g->pid.pit_angle);
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PID_Reset(&g->pid.pit_omega);
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LowPassFilter2p_Reset(&g->filter_out.yaw, 0.0f);
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LowPassFilter2p_Reset(&g->filter_out.pit, 0.0f);
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MOTOR_DM_Enable(&(g->param->pit_motor));
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AHRS_ResetEulr(&(g->setpoint.eulr)); /* 切换模式后重置设定值 */
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g->setpoint.eulr.pit = g->feedback.imu.eulr.rol;
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g->setpoint.eulr.yaw = g->feedback.imu.eulr.yaw;
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g->mode = mode;
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return 0;
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}
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/* Exported functions ------------------------------------------------------- */
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/**
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* \brief 初始化云台
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*
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* \param g 包含云台数据的结构体
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* \param param 包含云台参数的结构体指针
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* \param target_freq 任务预期的运行频率
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*
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* \return 函数运行结果
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*/
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int8_t Gimbal_Init(Gimbal_t *g, const Gimbal_Params_t *param,
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float target_freq) {
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if (g == NULL)
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return -1;
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g->param = param;
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g->mode = GIMBAL_MODE_RELAX; /* 设置默认模式 */
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/* 初始化云台电机控制PID和LPF */
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PID_Init(&(g->pid.yaw_angle), KPID_MODE_NO_D, target_freq,
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&(g->param->pid.yaw_angle));
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PID_Init(&(g->pid.yaw_omega), KPID_MODE_CALC_D, target_freq,
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&(g->param->pid.yaw_omega));
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PID_Init(&(g->pid.pit_angle), KPID_MODE_NO_D, target_freq,
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&(g->param->pid.pit_angle));
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PID_Init(&(g->pid.pit_omega), KPID_MODE_CALC_D, target_freq,
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&(g->param->pid.pit_omega));
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LowPassFilter2p_Init(&g->filter_out.yaw, target_freq,
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g->param->low_pass_cutoff_freq.out);
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LowPassFilter2p_Init(&g->filter_out.pit, target_freq,
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g->param->low_pass_cutoff_freq.out);
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g->limit.yaw.max = g->param->mech_zero.yaw + g->param->travel.yaw;
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g->limit.yaw.min = g->param->mech_zero.yaw;
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g->limit.pit.max = g->param->mech_zero.pit + g->param->travel.pit;
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g->limit.pit.min = g->param->mech_zero.pit;
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BSP_CAN_Init();
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MOTOR_RM_Register(&(g->param->yaw_motor));
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MOTOR_DM_Register(&(g->param->pit_motor));
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MOTOR_DM_Enable(&(g->param->pit_motor));
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return 0;
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}
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/**
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* \brief 通过CAN设备更新云台反馈信息
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*
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* \param gimbal 云台
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* \param can CAN设备
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*
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* \return 函数运行结果
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*/
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int8_t Gimbal_UpdateFeedback(Gimbal_t *gimbal) {
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if (gimbal == NULL)
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return -1;
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/* 更新DM电机反馈数据（pitch轴） */
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MOTOR_DM_Update(&(gimbal->param->pit_motor));
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MOTOR_DM_t *dm_motor = MOTOR_DM_GetMotor(&(gimbal->param->pit_motor));
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if (dm_motor != NULL) {
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gimbal->feedback.motor.pit = dm_motor->motor.feedback;
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}
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/* 更新RM电机反馈数据（yaw轴） */
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MOTOR_RM_Update(&(gimbal->param->yaw_motor));
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MOTOR_RM_t *rm_motor = MOTOR_RM_GetMotor(&(gimbal->param->yaw_motor));
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if (rm_motor != NULL) {
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gimbal->feedback.motor.yaw = rm_motor->feedback;
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}
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return 0;
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}
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int8_t Gimbal_UpdateIMU(Gimbal_t *gimbal, const Gimbal_IMU_t *imu){
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if (gimbal == NULL) {
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return -1;
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}
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gimbal->feedback.imu.gyro = imu->gyro;
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gimbal->feedback.imu.eulr = imu->eulr;
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return 0;
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}
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/**
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* \brief 运行云台控制逻辑
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*
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* \param g 包含云台数据的结构体
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* \param g_cmd 云台控制指令
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*
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* \return 函数运行结果
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*/
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int8_t Gimbal_Control(Gimbal_t *g, Gimbal_CMD_t *g_cmd) {
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if (g == NULL || g_cmd == NULL) {
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return -1;
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}
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g->dt = (BSP_TIME_Get_us() - g->lask_wakeup) / 1000000.0f;
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g->lask_wakeup = BSP_TIME_Get_us();
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Gimbal_SetMode(g, g_cmd->mode);
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/* --- 计算目标增量：兼容手动模式与火控托管模式 --- */
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float delta_yaw = 0.0f;
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float delta_pit = 0.0f;
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if (g->mode == GIMBAL_MODE_AUTO_AIM && g_cmd->vision.target_found) {
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/* 火控模式且目标已锁定：计算视觉目标角度与当前设定值的偏差 */
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delta_yaw = CircleError(g_cmd->vision.yaw, g->setpoint.eulr.yaw, M_2PI);
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delta_pit = CircleError(g_cmd->vision.pit, g->setpoint.eulr.pit, M_2PI);
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} else {
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/* 常规模式或火控模式下目标丢失：使用操作手遥控器增量 */
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delta_yaw = g_cmd->delta_yaw * g->dt * 1.5f;
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delta_pit = g_cmd->delta_pit * g->dt;
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}
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/* --- 处理yaw控制命令，软件限位 - 使用电机绝对角度 --- */
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if (g->param->travel.yaw > 0) {
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/* 计算当前电机角度与IMU角度的偏差 */
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float motor_imu_offset = g->feedback.motor.yaw.rotor_abs_angle - g->feedback.imu.eulr.yaw;
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/* 处理跨越±π的情况 */
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if (motor_imu_offset > M_PI) motor_imu_offset -= M_2PI;
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if (motor_imu_offset < -M_PI) motor_imu_offset += M_2PI;
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/* 计算到限位边界的距离 */
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const float delta_max = CircleError(g->limit.yaw.max,
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(g->setpoint.eulr.yaw + motor_imu_offset + delta_yaw), M_2PI);
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const float delta_min = CircleError(g->limit.yaw.min,
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(g->setpoint.eulr.yaw + motor_imu_offset + delta_yaw), M_2PI);
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/* 限制控制命令 */
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if (delta_yaw > delta_max) delta_yaw = delta_max;
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if (delta_yaw < delta_min) delta_yaw = delta_min;
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} else {
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/* 无限位时直接使用电机绝对角度进行限位 */
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float current_motor_angle = g->feedback.motor.yaw.rotor_abs_angle;
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float target_angle = g->setpoint.eulr.yaw + delta_yaw;
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/* 归一化角度到[-π, π] */
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while (target_angle > M_PI) target_angle -= M_2PI;
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while (target_angle < -M_PI) target_angle += M_2PI;
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while (current_motor_angle > M_PI) current_motor_angle -= M_2PI;
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while (current_motor_angle < -M_PI) current_motor_angle += M_2PI;
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}
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CircleAdd(&(g->setpoint.eulr.yaw), delta_yaw, M_2PI);
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/* --- 处理pitch控制命令，软件限位 - 使用电机绝对角度 --- */
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if (g->param->travel.pit > 0) {
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/* 计算当前电机角度与IMU角度的偏差 */
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float motor_imu_offset = g->feedback.motor.pit.rotor_abs_angle - g->feedback.imu.eulr.rol;
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/* 处理跨越±π的情况 */
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if (motor_imu_offset > M_PI) motor_imu_offset -= M_2PI;
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if (motor_imu_offset < -M_PI) motor_imu_offset += M_2PI;
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/* 计算到限位边界的距离 */
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const float delta_max = CircleError(g->limit.pit.max,
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(g->setpoint.eulr.pit + motor_imu_offset + delta_pit), M_2PI);
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const float delta_min = CircleError(g->limit.pit.min,
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(g->setpoint.eulr.pit + motor_imu_offset + delta_pit), M_2PI);
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/* 限制控制命令 */
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if (delta_pit > delta_max) delta_pit = delta_max;
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if (delta_pit < delta_min) delta_pit = delta_min;
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}
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CircleAdd(&(g->setpoint.eulr.pit), delta_pit, M_2PI);
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/* --- 控制相关逻辑（PID闭环计算） --- */
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float yaw_omega_set_point, pit_omega_set_point;
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switch (g->mode) {
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case GIMBAL_MODE_RELAX:
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g->out.yaw = 0.0f;
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g->out.pit = 0.0f;
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break;
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case GIMBAL_MODE_AUTO_AIM: /* 火控模式与绝对模式共用相同的空间系PID闭环 */
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case GIMBAL_MODE_ABSOLUTE:
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yaw_omega_set_point = PID_Calc(&(g->pid.yaw_angle), g->setpoint.eulr.yaw,
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g->feedback.imu.eulr.yaw, 0.0f, g->dt);
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g->out.yaw = PID_Calc(&(g->pid.yaw_omega), yaw_omega_set_point,
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g->feedback.imu.gyro.z, 0.f, g->dt);
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pit_omega_set_point = PID_Calc(&(g->pid.pit_angle), g->setpoint.eulr.pit,
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g->feedback.imu.eulr.rol, 0.0f, g->dt);
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g->out.pit = PID_Calc(&(g->pid.pit_omega), pit_omega_set_point,
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g->feedback.imu.gyro.y, 0.f, g->dt);
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break;
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case GIMBAL_MODE_RELATIVE:
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/* 相对模式暂未实现 */
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g->out.yaw = 0.0f;
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g->out.pit = 0.0f;
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break;
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}
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/* 输出滤波 */
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g->out.yaw = LowPassFilter2p_Apply(&g->filter_out.yaw, g->out.yaw);
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g->out.pit = LowPassFilter2p_Apply(&g->filter_out.pit, g->out.pit);
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return 0;
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}
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/**
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* \brief 云台输出
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*
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* \param g 包含云台数据的结构体
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*/
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void Gimbal_Output(Gimbal_t *g){
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if (1) {
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/* 标志位为1：正常工作时的输出逻辑 */
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/* 1. 对 Yaw 轴输出(大疆 RM 电机)进行限幅 */
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float target_yaw_out = g->out.yaw;
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if (target_yaw_out > YAW_MAX_OUTPUT) {
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target_yaw_out = YAW_MAX_OUTPUT;
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} else if (target_yaw_out < -YAW_MAX_OUTPUT) {
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target_yaw_out = -YAW_MAX_OUTPUT;
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}
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MOTOR_RM_SetOutput(&g->param->yaw_motor, target_yaw_out);
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/* 2. 计算 Pitch 轴扭矩(达妙 DM 电机)并进行限幅 */
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float target_pit_torque = g->out.pit * 3.0f; // 乘以减速比
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if (target_pit_torque > PIT_MAX_TORQUE) {
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target_pit_torque = PIT_MAX_TORQUE;
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} else if (target_pit_torque < -PIT_MAX_TORQUE) {
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target_pit_torque = -PIT_MAX_TORQUE;
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}
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MOTOR_MIT_Output_t output = {0};
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output.torque = target_pit_torque;
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output.kd = 0.3f;
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/* 下发控制指令 */
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MOTOR_RM_Ctrl(&g->param->yaw_motor);
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MOTOR_DM_MITCtrl(&g->param->pit_motor, &output);
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} else {
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/* 标志位为0：强制禁用逻辑，避免断线报错 */
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MOTOR_RM_SetOutput(&g->param->yaw_motor, 0.0f); // 大疆电机强制0电流
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MOTOR_MIT_Output_t output = {0}; // 达妙MIT模式全零初始化 (位置/速度/扭矩/kp/kd 均为0)
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MOTOR_RM_Ctrl(&g->param->yaw_motor);
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MOTOR_DM_MITCtrl(&g->param->pit_motor, &output);
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}
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} |