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Proceedings ArticleDOI

Two-an-One Pursuit with a Non-Zero Capture Radius

TLDR
The algorithm for the synthesis of the optimal state feedback strategies of the cooperating pursuers and of the evader is presented and it is shown that the regions in the state space where only one pursuer effects the capture are characterized, thus solving the Game of Kind.
Abstract
In this paper, we revisit the “Two Cutters and Fugitive Ship” differential game that was addressed by Isaacs, but move away from point capture. We consider a two-on-one pursuit-evasion differential game with simple motion and pursuers endowed with circular capture sets of radius l > 0. The regions in the state space where only one pursuer effects the capture and the region in the state space where both pursuers cooperatively and isochronously capture the evader are characterized, thus solving the Game of Kind. Concerning the Game of Degree, the algorithm for the synthesis of the optimal state feedback strategies of the cooperating pursuers and of the evader is presented.

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Journal ArticleDOI

On a Two Cutters and Fugitive Ship Differential Game

TL;DR: The state space region where capture is guaranteed, notwithstanding the fact that the cutters are not faster than the fugitive ship, is delineated, and the protagonists’ optimal state feedback strategies are synthesized.
Book ChapterDOI

Isaacs’ Two-on-One Pursuit-Evasion Game

TL;DR: In this paper, the authors considered a pursuit-evasion differential game in the Euclidean plane, where two pursuers, say cutters, chase a fugitive ship, the evader.
Journal ArticleDOI

The Target Guarding Problem: A real time solution for noise corrupted measurements

TL;DR: A real time strategy is derived for the pursuer when the evader’s position and speed measurements are corrupted by noise, and this strategy is validated through experiments conducted on a test-bed consisting of mobile robots.
Journal ArticleDOI

Two-On-One Pursuit When the Pursuers Have the Same Speed as the Evader

TL;DR: In this paper, a two-on-one pursuit-evasion differential game is considered, where the three players have equal speeds and the two cutters/pursuers have a non-zero capture radius.

An Analytic Study of Pursuit Strategies

TL;DR: Evidence that conventional strategy for “optimal” evasive maneuver is incorrect for three-on-one pursuit-evasion is provided and collision course and pure pursuit guidance is analyzed.
References
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Journal ArticleDOI

What is dynamic programming

TL;DR: Sequence alignment methods often use something called a 'dynamic programming' algorithm, which can be a good idea or a bad idea, depending on the method used.
Book

Differential games

Rufus Isaacs
Journal ArticleDOI

Cooperative Differential Games Strategies for Active Aircraft Protection from a Homing Missile

TL;DR: In this paper, a linear quadratic differential game formulation for arbitrary-order linear players' dynamics in the continuous and discrete domains is derived for a team composed of two agents, where the target aircraft performs evasive maneuvers and launches a defending missile to intercept the homing missile.
Journal ArticleDOI

A Differential Game Approach to Multi-agent Collision Avoidance

TL;DR: In this article, a multi-agent system consisting of $N$ agents is considered and the problem of steering each agent from its initial position to a desired goal while avoiding collisions with obstacles and other agents is studied.
Journal ArticleDOI

Optimal Fighter Pursuit-Evasion Maneuvers Found via Two-Sided Optimization

TL;DR: In this article, an optimal pursuit-evasion fighter maneuver is formulated as a differential game and then solved by a recently developed numerical method, semidirect collocation with nonlinear programming.
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