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The Pseudo-Rigid-Body Model for Dynamic Predictions of Macro and Micro Compliant Mechanisms The Pseudo-Rigid-Body Model for Dynamic Predictions of Macro and Micro Compliant Mechanisms

by Lyon, Scott Marvin

Abstract (Summary)
This work discusses the dynamic predictions of compliant mechanisms using the Pseudo-Rigid-Body model (PRBM). In order to improve the number of mechanisms that can be modeled, this research develops and identifies several key concepts in the behavior of beam segments where both ends are fixed to a rigid body (fixed-fixed flexible segments). A model is presented, and several examples are discussed. The dynamic behavior of several compliant segments is predicted using the PRBM and the results are compared to finite element analysis and experimental results. Details are presented as to the transient behavior of a typical uniform rectangular cross section beam. The results of this study are extended and applied to compliant planar mechanisms. It is shown by comparison with finite element analysis and experimental results that the PRBM is a good model of the physical system's dynamic behavior. The method is also demonstrated for use with compliant microelectromechanical (MEMS) systems.
Bibliographical Information:

Advisor:

School:Brigham Young University

School Location:USA - Utah

Source Type:Master's Thesis

Keywords:compliant mechanisms mems dynamics dynamic predictions behavior beam segment planar microelectromechanical systems pseudo rigid body model prbm

ISBN:

Date of Publication:05/21/2003

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