Analysis of topology changes in multibody systems
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Document typeConference report
Defense date2009
PublisherEuropean Community on Computational Methods in Applied Sciences
Rights accessRestricted access - publisher's policy
Abstract
Mechanical systems with time-varying topology appear frequently in natural or
human-made artificial systems. The nature of topology transitions is a key characteristic in the functioning of such systems. In this paper, a concept to decouple kinematic and kinetic quantities at the time of topology transition is used. This approach is based on the use of impulsive bilateral constraints and it is a useful tool for the analysis of energy redistribution and velocity change when these constraints are suddenly established. Two examples of systems with time-varying topology are analyzed: a bipedal walking system and a dual-pantograph robotic prototype making contact with a stiff environment. Detailed numerical and experimental analysis to gain insight into the dynamics and energetics of topology transitions is presented.
CitationFont-Llagunes, J.M.; Kövecses, J. Analysis of topology changes in multibody systems. A: ECCOMAS Thematic Conference Multibody Dynamics. "ECCOMAS Thematic Conference Multibody Dynamics 2009". Varsòvia: European Community on Computational Methods in Applied Sciences, 2009, p. 1-11.
ISBN978-83-7207-813-1
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