论文标题
敏捷四极管飞行的时间优势在线重新载
Time-Optimal Online Replanning for Agile Quadrotor Flight
论文作者
论文摘要
在本文中，我们解决了使用时间优化的控制策略驾驶四极管的问题，这些政策可以在环境变化或遇到未知的干扰时在线重新认可。这个问题具有挑战性，因为考虑到完整的四项动力学的时间优势轨迹在计算上的生成昂贵（几分钟甚至数小时）。我们引入了一种基于抽样的方法，用于有效地生成点质量模型的时间优势路径。然后，使用模型预测性轮廓控制方法跟踪这些路径，该方法考虑了完整的四型动力学和单转子推力极限。我们的组合方法能够实时运行，这是能够适应更改更改的首次最佳方法。我们通过在大门移动的赛车轨道上以超过60 km/h的速度飞行四型四光线，展示了我们的方法的适应能力。此外，我们表明我们的在线重建方法可以应对高达68 km/h的强烈干扰。
In this paper, we tackle the problem of flying a quadrotor using time-optimal control policies that can be replanned online when the environment changes or when encountering unknown disturbances. This problem is challenging as the time-optimal trajectories that consider the full quadrotor dynamics are computationally expensive to generate (order of minutes or even hours). We introduce a sampling-based method for efficient generation of time-optimal paths of a point-mass model. These paths are then tracked using a Model Predictive Contouring Control approach that considers the full quadrotor dynamics and the single rotor thrust limits. Our combined approach is able to run in real-time, being the first time-optimal method that is able to adapt to changes on-the-fly. We showcase our approach's adaption capabilities by flying a quadrotor at more than 60 km/h in a racing track where gates are moving. Additionally, we show that our online replanning approach can cope with strong disturbances caused by winds of up to 68 km/h.
