Locating Nonlinear Components in Periodic Structures using Nonlinear Effects-Reference-Cited by-同舟云学术

Locating Nonlinear Components in Periodic Structures using Nonlinear Effects

Published:2010-02-12 Issue:5 Volume:9 Page:401-411
ISSN:1475-9217
Container-title:Structural Health Monitoring
language:en
Short-container-title:Structural Health Monitoring

Author:

Peng Z.K.¹,Lang Z.Q.²,Chu F.L.³,Meng G.⁴

Affiliation:

1. Department of Automatic Control and Systems Engineering University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK, State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong University, Shanghai 200240. P.R. China,

2. Department of Automatic Control and Systems Engineering University of Sheffield, Mappin Street, Sheffield, S1 3JD, UK

3. Department of Precision Instruments, Tsinghua University Beijing 100084, P.R. China

4. State Key Laboratory of Mechanical System and Vibration Shanghai Jiao Tong University, Shanghai 200240. P.R. China

Abstract

In this study, an effective method is developed to detect the position of nonlinear components in periodic structures. The detection procedure requires exciting the nonlinear systems only once by using a sinusoidal-like input which has two frequency components. The effectiveness of this method is demonstrated by numerical studies. As the position of a nonlinear component often corresponds to the location of defect in periodic structures, this new method is of great practical significance in fault diagnosis for mechanical and structural systems.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Biophysics

Link

http://journals.sagepub.com/doi/pdf/10.1177/1475921710361327

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