Identification of Structural Parameters Using the Wavelet Transform of Acceleration Measurements-Reference-Cited by-同舟云学术

Identification of Structural Parameters Using the Wavelet Transform of Acceleration Measurements

Published:2004-02-01 Issue:1 Volume:126 Page:128-133
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Sone Akira¹,Hata Hiroaki²,Masuda Arata¹

Affiliation:

1. Department of Mechanical and System Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

2. Japan Process Development Co, LTD., Ohmikamati, Hitachi 319-1221, Japan

Abstract

In this paper, the characteristic parameters of structures are estimated by a newly developed identification method based on the wavelet transform of acceleration measurements. In the proposed method, by using the localized nature and the moment condition of the analyzing wavelet, the equation of motion of the structure is translated to an algebraic equation in terms of the acceleration responses, so that one can identify the structural parameters only using the acceleration measurements. The basic performance of the proposed method and the influence of the observation noise as well as the sampling density of the scale parameter are discussed in numerical examples. Laboratory-scale experiments demonstrate that the proposed method is capable to identify the structural parameters such as damping matrix and the stiffness matrix in sufficient accuracy.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/126/1/128/5944316/128_1.pdf

Reference9 articles.

1. Sone, A. et al., 1995, “Health Monitoring System of Structures Based on Orthonormal Wavelet Transform,” Proceedings of the 1995 Joint ASME/JSME PVP Conference, Vol. PVP 312, pp. 161–167.

2. Sone, A. et al., 1995, “Estimation of Cumulative Damage of Building With Hysteretic Restoring Force by Using Wavelet Analysis of Strong Response Records,” (in Japanese), J. Struct. Constr. Eng., AIJ, No. 476, pp. 67–74.

3. Okuma, M., Shi, Q., and Oho, T., 1997, “Development of Experimental Spatial Matrix Identification Method (A New Theory and Basic Verifications),” Trans. Jpn. Sci. Mech. Eng. Ser. C, 63(616), pp. 4171–4178.

4. Zhang, S., Morita, N., and Torii, T., 1999, “Identification of the Characteristic Matrices of Vibration Model by Experiment (1st Report, An Identification Method Using the Components of Characteristic Matrices as the Design Variables),” (in Japanese), Trans. Jpn. Soc. Mech. Eng. Ser. C , 65(632), pp. 1325–1330.

5. Sone, A., Yamamoto, S., and Masuda, A., 1996, “Identification of Dynamic Characteristics of Structure And Its Change by Using Wavelet Analysis of Records of Microtremor and Response of Structure on Ordinary Condition and During Strong Shock,” (in Japanese), J. Struct. Constr. Eng., AIJ, No. 490, pp. 65–72.

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