The Vibration Modeling and Analysis of Stewart Platform-Based Machine Tool

Xiao Jun Yang; Guo Li Sun; Bing Li

doi:10.4028/www.scientific.net/KEM.572.421

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 572The Vibration Modeling and Analysis of Stewart...

The Vibration Modeling and Analysis of Stewart Platform-Based Machine Tool

Abstract:

In this paper, the vibration modeling and analysis of Stewart platform-based machine tool is presented. The vibration modeling includes the derivation of the vibration equation and the detailed processes to deal with that. Each of the kinematic chains is considered as a flexible chain and simplified into a spring-damper submodel. Vibration modeling of the machine tool is established by Newton-Euler approach. Then, the natural frequencies of the moving platform are obtained based on the vibration equation by the aid of MATLAB. The vibration characteristics of the machine tool are analyzed and discussed by means of the numerical examples considering the different poses of the moving platform. The conclusion can be drawn that the natural frequencies of the platform are influenced by the poses of the platform.

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Periodical:

Key Engineering Materials (Volume 572)

Pages:

421-424

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.572.421

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Online since:

September 2013

Authors:

Xiao Jun Yang, Guo Li Sun, Bing Li

Keywords:

Natural Frequency, Stewart Platform, Vibration Modeling

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