Collective Iterative Learning Control: Exploiting Diversity in Multi-Agent Systems for Reference Tracking Tasks

• URL: http://arxiv.org/abs/2104.07620v1
• Date: Thu, 15 Apr 2021 17:36:00 GMT
• Title: Collective Iterative Learning Control: Exploiting Diversity in Multi-Agent Systems for Reference Tracking Tasks
• Authors: Michael Meindl, Fabio Molinari, Dustin Lehmann, Thomas Seel
• Abstract summary: We show that the proposed method allows the collective to combine the advantages of the agents' individual learning strategies. All theoretical results are confirmed in simulations and experiments with two-wheeled-inverted-pendulums robots.
• Score: 0.34410212782758043
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper considers a group of autonomous agents learning to track the same given reference trajectory in a possibly small number of trials. We propose a novel collective learning control method (namely, CILC) that combines Iterative Learning Control (ILC) with a collective input update strategy. We derive conditions for desirable convergence properties of such systems. We show that the proposed method allows the collective to combine the advantages of the agents' individual learning strategies and thereby overcomes trade-offs and limitations of single-agent ILC. This benefit is leveraged by designing a heterogeneous collective, i.e., a different learning law is assigned to each agent. All theoretical results are confirmed in simulations and experiments with two-wheeled-inverted-pendulums robots (TWIPRs) that jointly learn to perform a desired maneuver.

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