为MAV提供安全保证的高速导航.
Yunfan Ren1, Fangcheng Zhu1, Guozheng Lu1
1Department of Mechanical Engineering, University of Hong Kong, Pokfulam, Hong Kong, China.
Science robotics
|January 29, 2025
概括
安全保证的高速空中机器人 (SUPER) 能够在复杂的环境中实现微型空中车辆 (MAV) 的自主导航. 该系统通过使用LIDAR和高效的规划框架实现更快,更安全的飞行,大大降低了故障率.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 自主系统 自主系统
- 航空航天工程 航空航天工程
背景情况:
- 微型空中车辆 (MAV) 需要高速自主导航,用于搜索和救援等关键应用.
- 挑战包括车辆尺寸,障碍物检测范围和安全的高速机动算法.
- 现有的系统在未知,杂乱的环境中,难以平衡速度和安全.
研究的目的:
- 开发一个紧的MAV系统,能够在未知的环境中安全,高速的自主导航.
- 加强障碍物检测和轨迹规划,以实现敏捷的飞行.
- 为了弥合实验室MAV研究和现实世界的应用之间的差距.
主要方法:
- 介绍安全保证的高速飞行机器人 (SUPER),一个紧的MAV,轴距280mm,推力-重量比>5.0.
- 使用轻量级的3D光检测和测距 (LIDAR) 传感器进行准确的远距离障碍物检测.
- 使用LIDAR点云开发一个高效的轨迹规划框架,生成单独的安全和速度优化的路径.
主要成果:
- 超级在混乱的环境中展示了敏捷的飞行,在现实世界的测试中实现了超过20米/秒的速度.
- 与基线方法相比,规划框架将失败率降低了35.9倍.
- 实现了更快的飞行速度,计划时间减少了一半,成功地在狭窄的空间中导航,避免了薄薄的障碍物.
结论:
- SUPER代表了自主MAV技术的重大进步.
- 开发的系统有效地解决了在未知的环境中高速,安全导航的挑战.
- 这项研究为在灾难救援和搜索行动中实际部署MAV铺平了道路.
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