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Escape from an Orbiting Pursuer with a Nonzero Capture Radius

2023/10/02 by Braulio Mora, Alexander Von Moll, Mora, Braulio +7
Engineering · Physics and Astronomy · #Guidance and Control Systems #Quantum chaos and dynamical systems

paper · pdf · doi:10.48550/arxiv.2310.01203

Abstract

This paper explores a multi-agent containment problem, where a fast evader, modeled having constant speed and using constant heading, attempts to escape a circular containment region that is orbited by a slower pursuer with a nonzero capture radius. The pursuer is constrained to move along the edge of the containment region and seeks to capture the evader. This paper presents an in-depth analysis of this pursuer-evader containment scenario. First, multiple types of capture conditions for a single-pursuer case are analyzed defining the worst-case initial position for the pursuer. Second, a parametric study is performed to demonstrate the effects of speed ratio, capture radius, and initial location of the evader. Finally, a reachability analysis is performed to investigate the viable escape headings and reachable regions by the evader. This work provides a foundation for the analysis of escape under more general evader inputs as well as a multiple-pursuer version of the scenario.

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