Papers › Time-Dependent Surveillance-Evasion Games
Time-Dependent Surveillance-Evasion Games
Elliot Cartee, Lexiao Lai, Qianli Song, Alexander Vladimirsky
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Surveillance-Evasion (SE) games form an important class of adversarial trajectory-planning problems. We consider time-dependent SE games, in which an Evader is trying to reach its target while minimizing the cumulative exposure to a moving enemy Observer. That Observer is simultaneously aiming to maximize the same exposure by choosing how often to use each of its predefined patrol trajectories. Following the framework introduced in Gilles and Vladimirsky (arXiv:1812.10620), we develop efficient algorithms for finding Nash Equilibrium policies for both players by blending techniques from semi-infinite game theory, convex optimization, and multi-objective dynamic programming on continuous planning spaces. We illustrate our method on several examples with Observers using omnidirectional and angle-restricted sensors on a domain with occluding obstacles.
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