Multiple-Pursuer/One-Evader Pursuit–Evasion Game in Dynamic Flowfields

In this paper, a reachability-based approach is adopted to deal with the pursuit-evasion differential game between one evader and multiple pursuers in the presence of dynamic environmental disturbances (for example, winds or sea currents). Conditions for the game to be terminated are given in terms...

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Bibliographic Details
Published in:Journal of guidance, control, and dynamics control, and dynamics, 2017-07, Vol.40 (7), p.1627-1637
Main Authors: Sun, Wei, Tsiotras, Panagiotis, Lolla, Tapovan, Subramani, Deepak N, Lermusiaux, Pierre F J
Format: Article
Language:English
Subjects:
Aerospace engineering
Barriers
Differential games
Disturbances
Dynamics
Games
Guards
Inclusions
Mathematical analysis
Mechanical engineering
Optimization
Partial differential equations
Pursuit-evasion games
Redundancy
Sea currents
Strategy
Time dependence
Trajectories
Trajectory optimization
Vehicles
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Summary:In this paper, a reachability-based approach is adopted to deal with the pursuit-evasion differential game between one evader and multiple pursuers in the presence of dynamic environmental disturbances (for example, winds or sea currents). Conditions for the game to be terminated are given in terms of reachable set inclusions. Level set equations are defined and solved to generate the forward reachable sets of the pursuers and the evader. The time-optimal trajectories and the corresponding optimal strategies are subsequently retrieved from these level sets. The pursuers are divided into active pursuers, guards, and redundant pursuers according to their respective roles in the pursuit-evasion game. The proposed scheme is implemented on problems with both simple and realistic time-dependent flowfields, with and without obstacles.
ISSN:0731-5090
1533-3884
DOI:10.2514/1.G002125