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RESEARCH PAPERS

Statistical Identification of Nonlinear Random Vibration Systems

[+] Author and Article Information
Tohru Ozaki

The Institute of Statistical Mathematics, 4-6-7 Minami Azabu, Minato-Ku Tokyo, Japan 106

J. Appl. Mech 56(1), 186-191 (Mar 01, 1989) (6 pages) doi:10.1115/1.3176043 History: Received July 21, 1986; Revised March 15, 1988; Online July 21, 2009

Abstract

A statistical method for the identification of nonlinear random vibration systems is presented. The first step in the identification process is to obtain a discrete time version of a random vibration model using a local linearization approach. It is shown that the discrete time version thus obtained may be utilized in the identification of original random vibration model. The method is applied to some real ship engineering data.

Copyright © 1989 by ASME
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