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Experiments in Multirobot Air-Ground Coordination

By Luiz Chaimowicz, Ben Grocholsky, James F. Keller, Vijay Kumar and Camillo J. Taylor


Abstract — This paper addresses the problem of coordinating aerial and ground vehicles in tasks that involve exploration, identification of targets and maintaining a connected communication network. We focus on the problem of localizing vehicles in urban environments where GPS signals are often unreliable or unavailable. We first describe our multi-robot tesbed and the control software used to coordinate ground and aerial vehicles. We present the results of experiments in air-ground localization analyzing three complementary approaches to determining the positions of vehicles on the ground. We show that the coordination of aerial vehicles with ground vehicles is necessary to get accurate estimates of the state of the system. I

Year: 2004
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