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RESEARCH PAPERS: Papers on Production Engineering

New Approaches to the Modal Analysis for Machine Tool Structure

[+] Author and Article Information
Shinyi Wang

Seventh Division, Peking Institute of Technology, Peking, China

Hisayoshi Sato

Institute of Industrial Science, University of Tokyo, Minato-ku, Tokyo, Japan

Masanori O-Hori

J. Eng. Ind 106(1), 40-47 (Feb 01, 1984) (8 pages) doi:10.1115/1.3185909 History: Received July 09, 1983; Online July 30, 2009

Abstract

Three new approaches to modal analysis using impulse response were developed to identify the vibration characteristics of machine tool structure. The methods are based on the principle of minimizing the sum of squares of the differences between the measured data and the analytical expression. One of the methods successfully simplified the algorithm of the curve fit procedure and the computation time was significantly economized, so that it could be carried out by a microcomputer with sufficient accuracy for the system having about 30-degrees-of-freedom.

Copyright © 1984 by ASME
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