Identification of moving interaction forces with incomplete velocity information.

Xinqun Zhu, S.S. Law

    Research output: Contribution to journalArticle

    20 Citations (Scopus)


    A new method to identify moving loads on a beam using measured vibration responses is studied for its possible application to identify axle loads when applied to the real bridge/ vehicle interaction problem with road surface roughness and incomplete vehicle speed. Results from numerical studies on both a single and multi-span bridges and from laboratory experiment show that the method can identify individual axle loads travelling at non-uniform speed with small error. It can even identify the weight of the vehicle accurately when the vehicle brakes on top of the bridge deck. (C) 2003 Elsevier Science Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1349-1366
    JournalMechanical Systems and Signal Processing
    Issue number6
    Publication statusPublished - 2003

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