Passivity Analysis of a motion control for robots manipulators with dynamic friction

Abstract : This paper addresses the motion control in joint space of robot manipulators with friction described by the generalized LuGre friction model. The paper extends the nonadaptive version of the Slotine and Li's control system originally designed for friction--free manipulators to the case where a friction observer is incorporated to deal with friction. This observer corresponds to an adaptation of the friction compensation scheme proposed in Canudas de Wit 1995. Passivity concepts are the fundamental tools invoked in this paper to analyze the closed--loop systembehavior which lead to the conclusion of global asymptotic joint position tracking. A major advantage of this framework is that it allows to develop in a separate way the control law from the observer design provided that each part satisfies some passivity properties.
Keywords : robot control friction
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Article dans une revue
Asian Journal of Control, Asian Control Association (ACA) and Chinese Automatic Control Society (CACS) 2007, 9 (9), pp.30-36
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  • HAL Id : hal-00201787, version 1

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Carlos Canudas de Wit, R. Kelly. Passivity Analysis of a motion control for robots manipulators with dynamic friction. Asian Journal of Control, Asian Control Association (ACA) and Chinese Automatic Control Society (CACS) 2007, 9 (9), pp.30-36. 〈hal-00201787〉

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