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http://dx.doi.org/10.5050/KSNVN.2004.14.5.416

System Identification of a Three-story Test Structure based on Finite Element Model  

이상현 (서울대학교 공학연구소)
민경원 (단국대학교 건축공학)
강경수 (동명정보대학교 건축공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.5, 2004 , pp. 416-423 More about this Journal
Abstract
In this paper, an experimental verification of system identification technique for constructing finite element model is conducted for a three-story test structure equipped with an active mass driver (AMD). Twenty Gaussian white noises were used as the input for AMD, and the corresponding accelerations of each floor are measured. Then, the complex frequency response function (FRF) for the input, the force induced by the AMD, was obtained and subsequently, the Markov parameters and system matrices were estimated. The magnitudes as well as phase of experimentally obtained FRFs match well with those of analytically obtained FRFs.
Keywords
System Identification; Finite Element Model; Active Mass Driver;
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