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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/989

    Title: 探究F.E.Udwadia等人之系統識別公式
    Authors: 黃竣瑋;Ching-Way Huang
    Contributors: 土木工程研究所
    Keywords: 數值方法;拉普拉斯轉換;振動台實驗;系統識別;shaking table experiment;numerical method;Laplace transform;Udwadia;system identification
    Date: 2005-06-14
    Issue Date: 2009-09-18 17:17:19 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 摘要 Udwadia et al.提出的系統識別公式,利用拉普拉斯轉換在數值模擬的時候,能夠有很好的收斂性,相較於Izuru Takewaki利用快速傅立業轉換之系統識別公式,其更能夠直接的決定識別值,但是識別的精確度卻有某種程度之誤差;此篇論文對其識別公式重新推導,除了討論地震資料的適用性以外,並討論其誤差來源和識別式的敏感度,更進一步的使用了兩組實際實驗數據,來嘗試利用Udwadia之識別公式識別其物理參數。 Abstract Udwadia et al. proposed a unique system identification theory for a shear building model by Laplace transform. This technique can more directly identify physical parameters of shear building than Izuru Takewaki’s system identification theory by FFT. Research had found some errors between idntified and preassigned values by Udwadia’s theory. This paper not only reformulates Udwadia’s system identification formula but also discusses error source and sensitive problems. The more discussions take two real response datas from shaking table experiment to identify physical parameters of building.
    Appears in Collections:[土木工程研究所] 博碩士論文

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