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Experimental Validation on Two Solutions to Moving Vehicle-Axle Load Identification (in Chinese)

Yu, Ling, Chan, Tommy H.T., & Law, S.S. (2001) Experimental Validation on Two Solutions to Moving Vehicle-Axle Load Identification (in Chinese). Journal of Yangtze River Scientific Research Institute, 18(5), pp. 84-87.

Abstract

Most of the identification methods are eventually converted to a linear algebraic equation set. Different ways to solve the equation set will result in solutions with completely different levels of accuracy. Bused on the frequency-time domain method (FTDM), the moving vehicle-axle loads are identified from the measured responses induced by the vehides crossing a bridge. The focus is on evaluation of two solutions i.e.,direct calculation of pscudo inverse (PI) and calculation of pseudo inverse via the singular value decomposition (SVD) technique to the equation set estahlished in the FTDM. The effects of various parameters on identified results also are discussed. Assessment results show that the SVD technique can obviously improve identification accuracy as compared to the Pl solution.

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ID Code: 12811
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
Additional URLs:
Keywords: bridge, vehicle interaction, moving force identification, frequency, time domain method, pseudo inverse, singular value decomposition
ISSN: 1001-5485
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2001 Journal of Yangtze River Scientific Research Institute
Deposited On: 03 Mar 2008
Last Modified: 11 Aug 2011 04:34

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