A Vector Bond Graph Method of Kineto-Static Analysis for Spatial Multibody Systems

Zhong Shuang Wang; Yang Yang Tao; Quan Yi Wen

doi:10.4028/www.scientific.net/AMM.321-324.1725

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324A Vector Bond Graph Method of Kineto-Static...

A Vector Bond Graph Method of Kineto-Static Analysis for Spatial Multibody Systems

Abstract:

In order to increase the reliability and efficiency of the kineto-static analysis of complex multibody systems, the corresponding vector bond graph procedure is proposed. By the kinematic constraint condition, spatial multibody systems can be modeled by vector bond graph. For the algebraic difficulties brought by differential causality in system automatic kineto-static analysis, the effective decoupling method is proposed, thus the differential causalities in system vector bond graph model can be eliminated. In the case of considering EJS, the unified formulae of driving moment and constraint forces at joints are derived based on vector bond graph, which are easily derived on a computer in a complete form and very suitable for spatial multibody systems. As a result, the automatic kineto-static analysis of spatial multibody system on a computer is realized, its validity is illustrated by the spatial multibody system with three degrees of freedom.

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Periodical:

Applied Mechanics and Materials (Volumes 321-324)

Pages:

1725-1729

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.321-324.1725

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Online since:

June 2013

Authors:

Zhong Shuang Wang, Yang Yang Tao, Quan Yi Wen

Keywords:

Causality, Joint Constraint, Kineto-Static Analysis, Spatial Multibody System, Vector Bond Graph

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