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IROS
2009
IEEE

Lion and man game in the presence of a circular obstacle

9 years 4 days ago
Lion and man game in the presence of a circular obstacle
— In the lion and man game, a lion tries to capture a man who is as fast as the lion. We study a new version of this game which takes place in a Euclidean environment with a circular obstacle. We present a complete characterization of the game: for each player, we derive necessary and sufficient conditions for winning the game. Their (continuous time) strategies are constructed using techniques from differential games and arguments from geometry. Our main result is a decision algorithm which takes arbitrary initial positions as input, declares one of the players as the winner of the game and outputs a winning strategy for that player. We extend our approach to explicitly construct, in closed form, the decision boundary that partitions the arena into win and lose regions. I. OVERVIEW AND RELATED WORK In a game of pursuit and evasion, one player (the pursuer) tries to get close to, and possibly capture the other (the evader). The evader, in turn, tries to avoid being captured. Pursuit...
Nikhil Karnad, Volkan Isler
Added 24 May 2010
Updated 24 May 2010
Type Conference
Year 2009
Where IROS
Authors Nikhil Karnad, Volkan Isler
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