优化 move_to_hori_line 函数的移动速度控制和停止机制
- 根据目标移动距离动态调整移动速度,提升运动灵活性 - 新增平滑停止方法 stop_smooth,采用逐渐减速的方式实现更柔和的停止过程 - 确保机器人在移动和停止时的控制更加平稳
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@ -259,7 +259,15 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
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forward = distance_to_move > 0 # 判断是前进还是后退
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# 设置移动速度
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move_speed = 1 # 米/秒
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# 根据需要移动的距离动态调整移动速度
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if abs(distance_to_move) > 1.0:
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move_speed = 1.0 # 距离较远时用最大速度
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elif abs(distance_to_move) > 0.5:
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move_speed = 0.6 # 中等距离用中等速度
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elif abs(distance_to_move) > 0.2:
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move_speed = 0.3 # 较近距离用较慢速度
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else:
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move_speed = 0.15 # 非常接近时用最慢速度
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if forward:
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msg.vel_des = [move_speed, 0, 0] # 设置前进速度
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else:
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@ -303,7 +311,7 @@ def move_to_hori_line(ctrl, msg, target_distance=0.5, observe=False):
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time.sleep(0.05) # 小间隔检查位置
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# 使用平滑停止
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ctrl.base_msg.stop_force()
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ctrl.base_msg.stop_smooth()
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if observe:
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print(f"移动完成,平稳停止,通过里程计计算的移动距离: {distance_moved:.3f}米")
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@ -23,3 +23,39 @@ class BaseMsg:
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if wait_time:
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time.sleep(wait_time / 1000)
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def stop_smooth(self, wait_time=300):
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"""平滑停止,采用逐渐减速的方式实现更柔和的停止过程"""
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# 获取当前速度
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current_vel = self.msg.vel_des.copy() if hasattr(self.msg, 'vel_des') and self.msg.vel_des else [0, 0, 0]
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# 如果当前速度已经为零,直接调用普通停止
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if all(abs(v) < 0.01 for v in current_vel):
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self.stop(wait_time)
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return
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# 计算减速步数和每步减速量
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steps = 5 # 减速分5步完成
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step_time = wait_time / steps
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vel_step = [v / steps for v in current_vel]
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# 逐步减速
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for i in range(steps):
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# 计算当前步骤的目标速度
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target_vel = [current_vel[j] - vel_step[j] * (i + 1) for j in range(len(current_vel))]
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# 发送减速命令
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self.msg.mode = 11
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self.msg.gait_id = 26
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self.msg.vel_des = target_vel
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self.msg.duration = step_time
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self.msg.life_count += 1
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self.ctrl.Send_cmd(self.msg)
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time.sleep(step_time / 1000)
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# 最后确保完全停止
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self.msg.vel_des = [0, 0, 0]
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self.msg.duration = step_time
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self.msg.life_count += 1
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self.ctrl.Send_cmd(self.msg)
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time.sleep(step_time / 1000)
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