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Sliding Mode Control of Pendulum-Driven Spherical Robots
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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1519-1522
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Online since:
November 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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