小陀螺前瞻版

This commit is contained in:
guoxy06
2026-04-22 20:43:29 +08:00
parent dc1152e186
commit 194047605d
3 changed files with 67 additions and 15 deletions

View File

@@ -31,7 +31,7 @@
#define HALF_TRACK_WIDTH (TRACK_WIDTH / 2.0f) // 半轮距
#define PERIMETER_WHEEL (RADIUS_WHEEL * 2 * PI) // 轮子周长
#if defined(CHASSIS_MCNAMEE_WHEEL)
#define CHASSIS_WHEEL_OFFSET 1.0f // 机器人底盘轮子修正偏移量
//#define CHASSIS_WHEEL_OFFSET 1.0f // 机器人底盘轮子修正偏移量
#elif defined(CHASSIS_STEERING_WHEEL)
#define CHASSIS_WHEEL_OFFSET 30.0f // 机器人底盘轮子修正偏移量
//#define CHASSIS_WHEEL_OFFSET 2.0f
@@ -60,6 +60,9 @@ static Referee_Interactive_info_t ui_data; // UI数据,将底盘中的数据
static SuperCapInstance *cap; // 超级电容
static LKMotorInstance *motor_rf,*motor_lb; // 轮电机9015
static DJIMotorInstance *motor_steering_rf,*motor_steering_lb; // 舵电机6020
static Gimbal_Upload_Data_s gimbal_feed_data; // 云台反馈数据
static float last_imu_yaw = 0.0f; // IMU角度上一帧值
static Subscriber_t *gimbal_feed_sub; // 新增,用于订阅云台的反馈数据
/* 用于自旋变速策略的时间变量 */
// static float t;
@@ -157,12 +160,12 @@ void ChassisInit()
.Ki = 0,
.Kd = 0.1f, // 0.5
.DeadBand = 0.5,
.CoefA = 0.2,
.CoefB = 0.3,
.Improve = PID_Trapezoid_Intergral | PID_DerivativeFilter | PID_DerivativeFilter | PID_Derivative_On_Measurement | PID_Integral_Limit | PID_Derivative_On_Measurement,
.IntegralLimit = 50, // 200
.MaxOut = 1200,
.Derivative_LPF_RC = 0.01, // 0.01
// .CoefA = 0.2,
// .CoefB = 0.3,
// .Improve = PID_Trapezoid_Intergral | PID_DerivativeFilter | PID_DerivativeFilter | PID_Derivative_On_Measurement | PID_Integral_Limit | PID_Derivative_On_Measurement,
// .IntegralLimit = 50, // 200
.MaxOut = 50,
// .Derivative_LPF_RC = 0.01, // 0.01
};
PIDInit(&chassis_follow_pid, &chassis_follow_pid_conf);
@@ -199,6 +202,7 @@ void ChassisInit()
#ifdef ONE_BOARD // 单板控制整车,则通过pubsub来传递消息
chassis_sub = SubRegister("chassis_cmd", sizeof(Chassis_Ctrl_Cmd_s));
gimbal_feed_sub = SubRegister("gimbal_feed", sizeof(Gimbal_Upload_Data_s)); // 新增
chassis_pub = PubRegister("chassis_feed", sizeof(Chassis_Upload_Data_s));
#endif // ONE_BOARD
}
@@ -370,6 +374,7 @@ void ChassisTask() {
// 获取新的控制信息
#ifdef ONE_BOARD
SubGetMessage(chassis_sub, &chassis_cmd_recv);
SubGetMessage(gimbal_feed_sub, &gimbal_feed_data);
#endif
#ifdef CHASSIS_BOARD
chassis_cmd_recv = *(Chassis_Ctrl_Cmd_s *)CANCommGet(chasiss_can_comm);
@@ -411,7 +416,7 @@ void ChassisTask() {
chassis_cmd_recv.wz = -PIDCalculate(&chassis_follow_pid, single_round_offset, 0)/70.0f;
break;
case CHASSIS_ROTATE: // 自旋,同时保持全向机动;当前wz维持定值,后续增加不规则的变速策略
chassis_cmd_recv.wz = -0.35;//实验版
chassis_cmd_recv.wz = 0.35;//实验版
break;
default:
break;
@@ -420,12 +425,59 @@ void ChassisTask() {
// 根据云台和底盘的角度offset将控制量映射到底盘坐标系上
// 底盘逆时针旋转为角度正方向;云台命令的方向以云台指向的方向为x,采用右手系(x指向正北时y在正东.)
static float sin_theta, cos_theta;
cos_theta = arm_cos_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
sin_theta = arm_sin_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
static float rotate_offset_angle = 0.0f; // 小陀螺模式下的旋转角度补偿
static float offset_angle_base = 0.0f; // 进入小陀螺模式时的offset_angle基准
static uint8_t last_chassis_mode = CHASSIS_FOLLOW_GIMBAL_YAW;
// cos_theta = arm_cos_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
// sin_theta = arm_sin_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
// chassis_vx = chassis_cmd_recv.vx * cos_theta - chassis_cmd_recv.vy * sin_theta;
// chassis_vy = chassis_cmd_recv.vx * sin_theta + chassis_cmd_recv.vy * cos_theta;
chassis_vx = chassis_cmd_recv.vx * cos_theta - chassis_cmd_recv.vy * sin_theta;//实验版
chassis_vy = chassis_cmd_recv.vx * sin_theta + chassis_cmd_recv.vy * cos_theta;
if (chassis_cmd_recv.chassis_mode == CHASSIS_ROTATE) {
// 小陀螺模式:使用角速度积分来计算旋转补偿
if (last_chassis_mode != CHASSIS_ROTATE) {
// 刚进入小陀螺模式时,初始化补偿角度/
rotate_offset_angle = 0.0f;
offset_angle_base = chassis_cmd_recv.offset_angle;
last_imu_yaw = gimbal_feed_data.gimbal_imu_data.YawTotalAngle; // 添加这行,初始化IMU角度
}
float offset_angle_delta = chassis_cmd_recv.offset_angle - offset_angle_base;
// 使用角速度积分(累加),而不是角速度变化量
//rotate_offset_angle -= chassis_cmd_recv.wz * 0.005f * RAD_2_DEGREE;
// 使用IMU实际角度变化补偿
float current_imu_yaw = gimbal_feed_data.gimbal_imu_data.YawTotalAngle;
float imu_delta = current_imu_yaw - last_imu_yaw;
if (imu_delta > 180.0f) imu_delta -= 360.0f;
else if (imu_delta < -180.0f) imu_delta += 360.0f;
rotate_offset_angle += imu_delta;
last_imu_yaw = current_imu_yaw;
// 限制补偿角度范围,防止积分饱和
if (rotate_offset_angle > 180.0f) rotate_offset_angle -= 360.0f;
if (rotate_offset_angle < -180.0f) rotate_offset_angle += 360.0f;
// 使用补偿后的角度进行坐标变换
//float effective_angle = chassis_cmd_recv.offset_angle - rotate_offset_angle;/
float effective_angle = offset_angle_delta - rotate_offset_angle;
cos_theta = arm_cos_f32(effective_angle * DEGREE_2_RAD);
sin_theta = arm_sin_f32(effective_angle * DEGREE_2_RAD);
} else {
// 非小陀螺模式:正常使用offset_angle
rotate_offset_angle = 0.0f; // 重置补偿角度
offset_angle_base = chassis_cmd_recv.offset_angle; // 添加这行,更新基准角度
cos_theta = arm_cos_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
sin_theta = arm_sin_f32(chassis_cmd_recv.offset_angle * DEGREE_2_RAD);
}
last_chassis_mode = chassis_cmd_recv.chassis_mode;
chassis_vx = (chassis_cmd_recv.vx * cos_theta + chassis_cmd_recv.vy * sin_theta)/4;//实验版
chassis_vy = (-chassis_cmd_recv.vx * sin_theta + chassis_cmd_recv.vy * cos_theta)/4;//实验版
// 根据控制模式进行正运动学解算,计算底盘输出
SteeringWheelCalculate();

View File

@@ -187,12 +187,12 @@ static void RemoteControlSet()
// around = 0;
chassis_cmd_send.chassis_mode = CHASSIS_ROTATE;
gimbal_cmd_send.gimbal_mode = GIMBAL_GYRO_MODE;
around= chassis_cmd_send.offset_angle/360;
around= chassis_cmd_send.offset_angle/(-360);
}
else if (switch_is_mid(rc_data[TEMP].rc.switch_right)) // 右侧开关状态[中],底盘和云台分离,底盘保持不转动
{
//gimbal_fetch_data.yaw_motor_total_angle = gimbal_fetch.yaw_motor_total_angle-around*360;
chassis_cmd_send.offset_angle = chassis_cmd_send.offset_angle - 360*around;
chassis_cmd_send.offset_angle = chassis_cmd_send.offset_angle + 360*around;
chassis_cmd_send.chassis_mode = CHASSIS_FOLLOW_GIMBAL_YAW;
gimbal_cmd_send.gimbal_mode = GIMBAL_GYRO_MODE;
}

View File

@@ -40,7 +40,7 @@ static void sbus_to_rc(const uint8_t *sbus_buf)
rc_ctrl[TEMP].rc.rocker_l_ = (((sbus_buf[2] >> 6) | (sbus_buf[3] << 2) | (sbus_buf[4] << 10)) & 0x07ff) - RC_CH_VALUE_OFFSET; //!< Channel 2
rc_ctrl[TEMP].rc.rocker_l1 = (((sbus_buf[4] >> 1) | (sbus_buf[5] << 7)) & 0x07ff) - RC_CH_VALUE_OFFSET; //!< Channel 3
rc_ctrl[TEMP].rc.dial = ((sbus_buf[16] | (sbus_buf[17] << 8)) & 0x07FF) - RC_CH_VALUE_OFFSET;
rc_ctrl[TEMP].rc.rocker_l_= rc_ctrl[TEMP].rc.rocker_l_+2.5;
rc_ctrl[TEMP].rc.rocker_l_= rc_ctrl[TEMP].rc.rocker_l_+0.5;
// 左侧拨轮
RectifyRCjoystick();
// 开关,0左1右