Reinforcement Learning of Coordination in Cooperative Multi-Agent Systems

Spiros Kapetanakis and Daniel Kudenko, University of York

We report on an investigation of reinforcement learning techniques for the learning of coordination in cooperative multi-agent systems. Specifically, we focus on a novel action selection strategy for Q-learning. The new technique is applicable to scenarios where mutual observation of actions is not possible. To date, reinforcement learning approaches for such independent agents did not guarantee convergence to the optimal joint action in scenarios with high miscoordination costs. We improve on previous results by demonstrating empirically that our extension causes the agents to converge almost always to the optimal joint action even in these difficult cases.

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