Robust Adaptive Trajectory Control for an Omnidirectional Vehicle

Ya Chao Yang; Chi Cheng Cheng; Chin Yin Chen

doi:10.4028/www.scientific.net/AMM.284-287.1919

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Robust Adaptive Trajectory Control for an Omnidirectional Vehicle

Abstract:

In this paper, a robust adaptive control strategy is proposed for trajectory control of an omnidirectional vehicle with three omni-wheels, which have the ability to move simultaneously with independently rotational motion. Actuators of the omnidirectional vehicle contain uncertainties and their parameters are unknown. By the Lyapunov stability, the asymptotic tracking performance can be assured. The proposed control scheme is demonstrated by actual tracking experiments using the omnidirectional vehicle system. Experimental results showed promising tracking performance for the proposed method as compared to traditional sliding mode controller.