0
RESEARCH PAPERS: Vibration and Sound

A Linear, Frequency Domain Filter for Parameter Identification of Vibrating Structures

[+] Author and Article Information
John E. Mottershead, Roger Stanway

Department of Mechanical Engineering, University of Liverpool, U.K.

Arthur W. Lees

Scientific Services Department, Central Electricity Generating Board, Bedminster Down, Bristol, U.K.

J. Vib., Acoust., Stress, and Reliab 109(3), 262-269 (Jul 01, 1987) (8 pages) doi:10.1115/1.3269430 History: Received March 04, 1987; Online November 23, 2009

Abstract

In this paper the authors present a linear, least-squares, frequency domain filter for the identification of structural vibration parameters, such as mass, stiffness, and damping, from observed forces and responses. The method is based on an equation error formulation which produces a measurement equation which is linear in the unknown parameters. Convergence of the parameter estimates is achieved rapidly and the period required to obtain convergence is indicated by the CPU time measured on an IBM 3083 computer. Results obtained using simulated data are used to compare the linear filter with alternative filter formulations. Experimental results from a portal frame rig are given to demonstrate the application of the method to physical measurements.

Copyright © 1987 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In