✨ 增加圆弧转向功能
- 新增 arc_turn_around_hori_line 函数,实现机器人对准横线后进行圆弧转向 - 支持90度和180度的左转或右转,增加调试信息输出 - 优化运动参数计算和指令发送逻辑,确保运动过程的准确性和稳定性 - 在主程序中添加示例调用,展示新功能的使用方法
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@ -352,6 +352,77 @@ def move_to_hori_line(ctrl, msg, target_distance=0.1, observe=False):
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# 如果没有提供图像处理器或图像验证失败,则使用里程计数据判断
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return abs(distance_moved - abs(distance_to_move)) < 0.1 # 如果误差小于10厘米,则认为成功
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def arc_turn_around_hori_line(ctrl, msg, angle_deg=90, left=True, observe=False):
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"""
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对准前方横线,然后以计算出来的距离为半径,做一个向左或向右的圆弧旋转。
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参数:
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ctrl: Robot_Ctrl对象
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msg: robot_control_cmd_lcmt对象
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angle_deg: 旋转角度,支持90或180度
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left: True为左转,False为右转
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observe: 是否打印调试信息
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返回:
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bool: 是否成功完成动作
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"""
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# 1. 对准横线
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print("校准到横向线水平")
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aligned = align_to_horizontal_line(ctrl, msg, observe=observe)
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if not aligned:
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print("无法校准到横向线水平,停止动作")
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return False
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# 2. 检测横线并计算距离
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image = ctrl.image_processor.get_current_image()
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edge_point, edge_info = detect_horizontal_track_edge(image, observe=observe)
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if edge_point is None or edge_info is None:
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print("无法检测到横向线,停止动作")
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return False
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camera_height = 0.355 # 单位: 米
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r = calculate_distance_to_line(edge_info, camera_height, observe=observe)
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if r is None:
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print("无法计算到横向线的距离,停止动作")
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return False
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if observe:
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print(f"当前距离: {r:.3f}米")
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# 3. 计算圆弧运动参数
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angle_rad = math.radians(angle_deg)
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# 设定角速度(rad/s),可根据实际调整
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w = 0.4 if left else -0.4 # 左转为正,右转为负
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v = w * r # 线速度
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t = abs(angle_rad / w) # 运动时间
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if observe:
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print(f"圆弧半径: {r:.3f}米, 角速度: {w:.3f}rad/s, 线速度: {v:.3f}m/s, 运动时间: {t:.2f}s")
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# 4. 发送圆弧运动指令
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msg.mode = 11
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msg.gait_id = 26
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msg.vel_des = [v, 0, w] # [前进速度, 侧向速度, 角速度]
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msg.duration = int((t + 1) * 1000) # 加1秒余量
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msg.step_height = [0.06, 0.06]
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msg.life_count += 1
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ctrl.Send_cmd(msg)
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time.sleep(t) # 等待运动完成
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# 5. 发送停止指令
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msg.mode = 0
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msg.gait_id = 0
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msg.duration = 0
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ctrl.Send_cmd(msg)
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if observe:
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print("圆弧运动完成")
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return True
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# 用法示例
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if __name__ == "__main__":
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move_to_hori_line(None, None, observe=True)
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# 90度左转
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arc_turn_around_hori_line(None, None, angle_deg=90, left=True, observe=True)
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# 180度右转
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arc_turn_around_hori_line(None, None, angle_deg=180, left=False, observe=True)
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