Decentralized, norm-free, and adaptive event-triggered distributed control of nonholonomic mobile robots

Deniz Kurtoglu, Tansel Yucelen, Dzung Tran, David Casbeer and Eloy Garcia

International Journal of Systems Science, 2024, vol. 55, issue 14, 2914-2932

Abstract: The overarching contribution of this paper is a novel event-triggered distributed control architecture for multiagent systems that are composed of a team of nonholonomic mobile robots. Specifically, the robot dynamics are first feedback linearised to equivalently represent each robot with double integrator dynamics and the event-triggering law is then presented. This law is characterised by being decentralised (depending only on own signals of a robot), norm-free (independent of distances for reducing robot-to-robot data transmissions), and adaptive (estimating signals without using global information). Moreover, its system-theo- retical analysis is provided, which holds for both the sampled data exchange method and the solution-predictor curve-based data exchange method. In contrast to the well-studied sampled data exchange, the solution-predictor curve method further reduces robot-to-robot data transmissions by making each agent to store a generic form of this curve and exchange its parameters when an event occurs for approximating the solution trajectory of each robot. Finally, an illustrative numerical example is included to demonstrate the overall architecture.

Date: 2024
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DOI: 10.1080/00207721.2024.2364282

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