3D Trajectory Planning for UAV-based Search Missions: An Integrated Assessment and Search Planning Approach
Authors: Savvas Papaioannou, Panayiotis Kolios, Theocharis Theocharides, Christos G. Panayiotou, Marios M. Polycarpou
AI-generated Key Points
- Planning and executing search missions in challenging and complex environments during natural and man-made disasters is crucial for finding survivors.
- Precise navigation between obstacles and time-efficient searching around 3D structures is essential in many emergency situations.
- A team of researchers has proposed an integrated assessment and search planning approach that allows an autonomous UAV agent to plan and execute collision-free search trajectories in 3D environments.
- The proposed framework integrates and automates the first two phases of a traditional search-and-rescue (SAR) mission: the assessment phase and the search phase.
- In the assessment-planning stage, a high-level assessment plan is generated to guide the UAV to fly over objects of interest, providing a first assessment of the situation at hand.
- In the second stage, termed search-planning, the UAV trajectory is further fine-tuned to allow it to search in 3D across all faces of objects of interest for survivors.
- The performance of this approach has been demonstrated through extensive simulation analysis.
- The proposed approach offers several advantages over existing methods for UAV-based search missions, including efficient planning and execution of collision-free trajectories in complex 3D environments while automating critical aspects of SAR missions such as assessing areas for potential survivors.
Abstract: The ability to efficiently plan and execute search missions in challenging and complex environments during natural and man-made disasters is imperative. In many emergency situations, precise navigation between obstacles and time-efficient searching around 3D structures is essential for finding survivors. In this work we propose an integrated assessment and search planning approach which allows an autonomous UAV (unmanned aerial vehicle) agent to plan and execute collision-free search trajectories in 3D environments. More specifically, the proposed search-planning framework aims to integrate and automate the first two phases (i.e., the assessment phase and the search phase) of a traditional search-and-rescue (SAR) mission. In the first stage, termed assessment-planning we aim to find a high-level assessment plan which the UAV agent can execute in order to visit a set of points of interest. The generated plan of this stage guides the UAV to fly over the objects of interest thus providing a first assessment of the situation at hand. In the second stage, termed search-planning, the UAV trajectory is further fine-tuned to allow the UAV to search in 3D (i.e., across all faces) the objects of interest for survivors. The performance of the proposed approach is demonstrated through extensive simulation analysis.
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