Dynamic Analysis of Flexible Manipulator Arms With Distributed Viscoelastic Damping

Author:

Zijie Fan1,Bingheng Lu2,Ku C. H.2

Affiliation:

1. Beijing Simulation Center, P.O. Box 142-23, Beijing 100854, P.R. China

2. Department of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, P.R. China

Abstract

The main objective of this work is to predict the effect of distributed viscoelastic damping on the dynamic response of multilink flexible robot manipulators. A general approach, based on the principle of virtual work, is presented for the modeling of flexible robot arms with distributed viscoelastic damping. The finite element equations are developed, and a recurrence formulation for numerical integration of these equations is obtained. It is demonstrated, by a numerical example, that the viscoelastic damping treatments have a significant effect on the dynamic response of flexible robot manipulators.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Reference5 articles.

1. Alberts, T. E., and Book, W. J., 1987, “On the Transfer Function Modeling of Flexible Structures with Distributed Damping,” Robotics: Theory and Applications., F. W. Paul et al., ed. DSC-Vol. 3.

2. Fan, Z. J., 1990, “Dynamic Analysis and Control of Flexible Manipulators with Distributed Viscoelastic Damping,” Ph. D. thesis, Xi’an Jiaotong University, Xi’an, P. R. China.

3. Fan Z. J. , LuB. H., and KuC. H., 1990, “Finite Element Vibration Analysis of Flexible Manipulator Arms,” Chinese Journal of Applied Mechanics, Vol. 7, pp. 35–45.

4. Holman R. E. , 1983, “Finite Element Modeling Techniques for Constrained Layer Damping,” AIAA J., Vol. 21, pp. 792–794.

5. Zak A. R. , 1968, “Structural Analysis of Realistic Solid-Propellant Materials,” J. Spacecraft & Rockets, Vol. 5, pp. 270–275.

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