Moving vehicle load identification from bridge responses based on method of moments (MOM)
Yu, Ling, Chan, Tommy H.T., & Zhu, Jun-hua (2008) Moving vehicle load identification from bridge responses based on method of moments (MOM). In Jacob, B., O'Brien, E., O'Connor, A., & Bouteldja, M. (Eds.) International Conference on Heavy Vehicles Paris 2008 incorporating Heavy Vehicle Transport Technology (HVTT 10) and Weigh-In-Motion (ICWIM 5), May 19-22, 2008, Paris, France.
A MOM-based algorithm (MOMA) is proposed for identifying of the time-varying moving vehicle loads on a bridge in this paper. A series of numerical simulations and experiments in laboratory have been studied and the proposed MOMA are compared with the existing time domain method (TDM). A few main parameters, such as basis function terms, executive CPU time, Nyquist fraction of digital filter, two different solutions to the ill-posed system equation, etc, have been investigated. Both the numerical simulation and experimental results show that the MOMA has higher identification accuracy and robust noise immunity as well as producing an acceptable solution to ill-conditioning cases to some extent, but its CPU execution time is just less than one tenth of the TDM.
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|Item Type:||Conference Paper|
|Keywords:||Moving force identification, Method of moments (MOM), Bridge, vehicle interaction|
|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|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2008 International Forum for Road Transport Technology (IFRTT)|
|Copyright Statement:||The definite version is available on publication at www3.interscience.wiley.com|
|Deposited On:||22 May 2008|
|Last Modified:||29 Feb 2012 23:52|
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