This paper introduces a quadrotor's autonomous take-off and landing system on a moving platform. The designed system addresses three challenging problems: fast pose estimation, restricted external localization, and effective obstacle avoidance. Specifically, first, we design a landing recognition and positioning system based on the AruCo marker to help the quadrotor quickly calculate the relative pose; second, we leverage a gradient-based local motion planner to generate collision-free reference trajectories rapidly for the quadrotor; third, we build an autonomous state machine that enables the quadrotor to complete its take-off, tracking and landing tasks in full autonomy; finally, we conduct experiments in simulated, real-world indoor and outdoor environments to verify the system's effectiveness and demonstrate its potential.
翻译:本文在移动平台上引入了四重体自动起飞和着陆系统。 设计的系统解决了三个具有挑战性的问题: 快速构成估计、 外部限制定位和有效避免障碍。 具体地说, 首先, 我们设计了一个基于 AruCo 标记的着陆识别和定位系统, 以帮助四重体快速计算相对构成; 第二, 我们利用一个基于梯度的地方运动规划仪, 快速生成四重体无碰撞参考轨迹; 第三, 我们建立一个自主的国家机器, 让四重体体能够完全自主地完成起飞、 跟踪和着陆任务; 最后, 我们在模拟、 现实世界的室内和室外环境进行实验, 以验证系统的有效性并展示其潜力。