import math import time import sys import os sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) from utils.log_helper import LogHelper, get_logger, section, info, debug, warning, error, success, timing # 创建本模块特定的日志记录器 logger = get_logger("旋转控制") def turn_degree(ctrl, msg, degree=90, absolute=False, precision=False): """ 结合里程计实现精确稳定的旋转指定角度 参数: ctrl: Robot_Ctrl 对象,包含里程计信息 msg: robot_control_cmd_lcmt 对象,用于发送命令 degree: 要旋转的角度,正值表示逆时针,负值表示顺时针,默认为90度 absolute: 是否绝对角度,默认为 False precision: 是否启用高精度模式,该模式下会使用更慢的速度和更细致的微调,默认为 False 返回: Bool: 是否成功旋转到指定角度 """ # 将角度转换为弧度 target_rad = math.radians(degree) # 获取当前朝向 current_yaw = ctrl.odo_msg.rpy[2] # 计算目标朝向 if absolute: target_yaw = target_rad else: target_yaw = current_yaw + target_rad # 标准化目标角度到 [-pi, pi] 范围 if target_yaw > math.pi: target_yaw -= 2 * math.pi if target_yaw < -math.pi: target_yaw += 2 * math.pi # 定义允许的误差范围(弧度) # 如果是精确模式,使用更小的误差阈值 limit = 0.03 if precision else 0.04 # 约1.7度或2.3度 # 确定最短旋转方向 remaining_dist = target_yaw - current_yaw if remaining_dist > math.pi: remaining_dist -= 2 * math.pi elif remaining_dist < -math.pi: remaining_dist += 2 * math.pi # 如果误差已经在允许范围内,无需旋转 if abs(remaining_dist) <= limit: success(f"当前角度误差已在允许范围内,无需旋转", "成功") return True # 确定旋转方向和速度 turn_direction = 1 if remaining_dist > 0 else -1 # 根据精确模式选择旋转速度 if precision: # 精确模式下,角度较大时使用中等速度,较小时使用慢速 if abs(remaining_dist) > 0.5: # 大约28度以上 turn_speed = 0.25 else: turn_speed = 0.15 else: # 非精确模式下,角度较大时使用快速,较小时使用中等速度 if abs(remaining_dist) > 0.5: # 大约28度以上 turn_speed = 0.5 else: turn_speed = 0.3 info(f"开始旋转: 当前角度={math.degrees(current_yaw):.2f}°, 目标角度={math.degrees(target_yaw):.2f}°, 需旋转{math.degrees(abs(remaining_dist)):.2f}°", "旋转") # 发送旋转命令(持续旋转) msg.mode = 11 # Locomotion模式 msg.gait_id = 26 # 自变频步态 msg.vel_des = [0, 0, turn_speed * turn_direction] # 转向速度和方向 msg.duration = 30000 # 设置一个大的持续时间值,后面会主动停止 msg.step_height = [0.06, 0.06] # 抬腿高度 msg.life_count += 1 # 发送命令 ctrl.Send_cmd(msg) debug(f"开始持续旋转:方向={'逆时针' if turn_direction > 0 else '顺时针'}, 速度={turn_speed}", "旋转") # 等待并监测旋转进度 start_time = time.time() last_yaw = current_yaw stable_count = 0 # 设置最大超时时间(秒)防止无限等待 max_timeout = 15 if abs(remaining_dist) > 1.0 else 10 while True: time.sleep(0.05) # 高频监测旋转状态 # 获取当前角度 current_yaw_now = ctrl.odo_msg.rpy[2] # 计算当前与目标的角度差 current_error = target_yaw - current_yaw_now if current_error > math.pi: current_error -= 2 * math.pi elif current_error < -math.pi: current_error += 2 * math.pi # 计算已旋转角度(用于检测机器人是否在移动) rotated = current_yaw_now - last_yaw if abs(rotated) > math.pi: rotated = 2 * math.pi - abs(rotated) rotated *= -1 if current_yaw_now > last_yaw else 1 last_yaw = current_yaw_now # 每0.5秒打印一次进度 elapsed = time.time() - start_time if int(elapsed * 2) % 10 == 0: # 每5秒 debug(f"旋转进度: {elapsed:.1f}s, 剩余角度: {math.degrees(abs(current_error)):.2f}°", "进度") # 判断是否已经接近目标角度 if abs(current_error) <= limit: # 立即发送停止命令 msg.mode = 11 msg.gait_id = 26 msg.vel_des = [0, 0, 0] # 停止旋转 msg.duration = 200 # 短暂停止命令 msg.life_count += 1 ctrl.Send_cmd(msg) success(f"旋转成功,误差在允许范围内: {math.degrees(abs(current_error)):.2f}°", "成功") return True # 检测是否接近目标角度,需要减速 if abs(current_error) < 0.3 and abs(turn_speed) > 0.15: # 约17度内减速 turn_speed = 0.15 * (1 if turn_speed > 0 else -1) msg.vel_des = [0, 0, turn_speed] msg.life_count += 1 ctrl.Send_cmd(msg) debug(f"接近目标,减速至: {turn_speed}", "减速") # 如果旋转方向不对(过头或方向错误),修正方向 if (current_error > 0 and turn_direction < 0) or (current_error < 0 and turn_direction > 0): turn_direction = 1 if current_error > 0 else -1 turn_speed = 0.15 # 方向调整时使用低速 msg.vel_des = [0, 0, turn_speed * turn_direction] msg.life_count += 1 ctrl.Send_cmd(msg) debug(f"调整旋转方向: {'逆时针' if turn_direction > 0 else '顺时针'}, 速度={turn_speed}", "方向") # 检查超时 if elapsed > max_timeout: # 发送停止命令 msg.mode = 11 msg.gait_id = 26 msg.vel_des = [0, 0, 0] # 停止旋转 msg.duration = 500 msg.life_count += 1 ctrl.Send_cmd(msg) error(f"旋转超时,已停止。当前误差: {math.degrees(abs(current_error)):.2f}°", "超时") return False # 检测机器人是否卡住(长时间无明显角度变化) if abs(rotated) < 0.005: # 角度变化很小 stable_count += 1 else: stable_count = 0 # 如果连续多次检测到角度几乎不变,可能卡住了 if stable_count > 30: # 连续30次检测(约1.5秒)角度几乎不变 # 尝试增加速度或改变方向 if abs(turn_speed) < 0.5: turn_speed = 0.5 * turn_direction msg.vel_des = [0, 0, turn_speed] msg.life_count += 1 ctrl.Send_cmd(msg) debug(f"检测到旋转停滞,增加速度至: {turn_speed}", "调整") stable_count = 0 else: # 如果速度已经很大还是卡住,可能有障碍,停止旋转 msg.vel_des = [0, 0, 0] # 停止旋转 msg.life_count += 1 ctrl.Send_cmd(msg) error(f"检测到旋转异常,已停止。当前误差: {math.degrees(abs(current_error)):.2f}°", "异常") return False