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未知输入条件下的结构物理参数识别研究
引用本文:李杰,陈隽.未知输入条件下的结构物理参数识别研究[J].计算力学学报,1999,16(1):32-40.
作者姓名:李杰  陈隽
作者单位:同济大学建工系,上海,200092
基金项目:国家九五攀登B计算资助
摘    要:研究在输入信息未知条件下识别结构物理参数的问题,根据建筑结构风荷载的作用特点,提出一类时域识别算法,用于高层建筑结构的结构物理参数识别

关 键 词:系统识别  结构参数  未知输入

Study on identification of structural dynamic parameters with unknown input information
Li Jie,Chen Jun.Study on identification of structural dynamic parameters with unknown input information[J].Chinese Journal of Computational Mechanics,1999,16(1):32-40.
Authors:Li Jie  Chen Jun
Abstract:This paper focuses on the item of structural parameters identification without input information. An aglorithm named as uniform load statistical average method is proposed and its procedure is described based on the charicteristic of pulsation wind on structure. To give the algorithm a solid basis, a theoretical certificate is given in the paper. Further numerical studies show that the proposed algorithm is highly efficent not only for noise free situation but also for noise included situation. The new idea given in the paper seems to supply a hopeful way for parameter identification with unknown input.
Keywords:system identification  structural parameters  unknown input
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