Sliding Mode Control of Pendulum-Driven Spherical Robots

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Abstract:

In this paper, the dynamics and control aspects of longitudinal motion of pendulum-driven spherical robots are investigated. A simplified dynamic model is established for a spherical robot, which is an underactuated mechanical system. Based on this dynamic model, a hierarchical sliding mode controller is proposed. The stability of the whole system is verified through Lyapunov analysis, and the asymptotic stability of the sub-sliding surfaces is proved with mathematical techniques. The validity of the proposed controller is illustrated through a simulation study.

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Periodical:

Advanced Materials Research (Volumes 591-593)

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1519-1522

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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