This paper discusses a method of determining the minimum safe altitude of an uncrewed aerial vehicle (UAV) at any point within a designated airspace by conducting a glide reachability analysis. Recently, fixed‐wing UAVs are more regularly deployed near population centers and in extreme environments, requiring increasingly robust emergency systems and planning. The long‐ranges and adverse terrain associated with monitoring the Volcán de Fuego in Guatemala by a team from the University of Bristol (UoB) increases the likelihood that motor failure would result in the aircraft being unable to Return To Home (RTH) and impossible to retrieve. A method for delineating a boundary representing the minimum safe altitude required for the aircraft to safely glide to the airfield in the event of a motor failure was developed within MATLAB, defined by the UAV's minimum glide angle in wind. This model was subsequently compared with flight data from UoB missions around Fuego to better improve its accuracy and analyze the limitations of the missions.

中文翻译：

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实时概括固定翼无人机的最低安全操作高度

本文讨论了一种通过滑翔可达性分析确定无人飞行器（UAV）在指定空域内任意点的最低安全高度的方法。最近，固定翼无人机更频繁地部署在人口中心附近和极端环境中，需要越来越强大的应急系统和规划。布里斯托大学 (UoB) 的团队在危地马拉监测火地马拉火山时，由于飞行距离较长且地形恶劣，因此电机故障导致飞机无法返航 (RTH) 且无法返航的可能性增加了。取回。在 MATLAB 中开发了一种描绘边界的方法，该边界代表在发生电机故障时飞机安全滑翔到机场所需的最小安全高度，该边界由无人机在风中的最小滑翔角定义。随后将该模型与 UoB 在 Fuego 周围任务的飞行数据进行了比较，以更好地提高其准确性并分析任务的局限性。