Towards Cooperative Multi-robot Belief Space Planning in Unknown Environments

Chapter
Part of the Springer Proceedings in Advanced Robotics book series (SPAR, volume 2)

Abstract

We investigate the problem of cooperative multi-robot planning in unknown environments, which is important in numerous applications in robotics. The research community has been actively developing belief space planning approaches that account for the different sources of uncertainty within planning, recently also considering uncertainty in the environment observed by planning time. We further advance the state of the art by reasoning about future observations of environments that are unknown at planning time. The key idea is to incorporate within the belief indirect multi-robot constraints that correspond to these future observations. Such a formulation facilitates a framework for active collaborative state estimation while operating in unknown environments. In particular, it can be used to identify best robot actions or trajectories among given candidates generated by existing motion planning approaches, or to refine nominal trajectories into locally optimal trajectories using direct trajectory optimization techniques. We demonstrate our approach in a multi-robot autonomous navigation scenario and show that modeling future multi-robot interaction within the belief allows to determine robot trajectories that yield significantly improved estimation accuracy.

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of Aerospace EngineeringTechnion - Israel Institute of TechnologyHaifaIsrael

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