Intermittent Connectivity for Exploration in Communication-Constrained Multi-Agent Systems
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|Intermittent Connectivity for Exploration in Communication-Constrained Multi-Agent Systems
|Filip Klaesson, Petter Nilsson, Aaron D. Ames and Richard M. Murray
|2020 International Conference on Cyberphysical Systems (ICCPS)
|Motivated by exploration of communication- constrained underground environments using robot teams, we study the problem of planning for intermittent connectivity in multi-agent systems. We propose a novel concept of information-consistency to handle situations where the plan is not initially known by all agents, and suggest an integer linear program for synthesizing information-consistent plans that also achieve auxiliary goals. Furthermore, inspired by network flow problems we propose a novel way to pose connectivity constraints that scales much better than previous methods. In the second part of the paper we apply these results in an exploration setting, and propose a clustering method that separates a large exploration problem into smaller problems that can be solved independently. We demonstrate how the resulting exploration algorithm is able to coordinate a team of ten agents to explore a large environment.