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J. Ocean Eng. Technol. > Volume 26(4); 2012 > Article
J. Ocean Eng. Technol. 2012;26(4):70-76.    
DOI: https://doi.org/10.5574/KSOE.2012.26.4.070   

Vibration Source Contribution Analysis of Plate Structure Using Independent Component Analysis
Kim Kook-Hyun
Department of Naval Architecture Tongmyong University
독립성분분석을 이용한 평판구조물의 진동원 기여도 분석
동명대학교 조선공학과
© 2012 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Blind source separation, Plate structure, Vibration source, Contribution analysis, Independent component analysis
핵심용어: 블라인드소스 분리, 평판구조물, 진동원, 기여도분석, 독립성분분석
The independent component analysis (ICA) technique is a source identification method that uses statistical independence to separate source signals from measured signals. It has been successfully applied to various fields such as medical care and communication. In this study, the ICA technique was adopted to analyze the vibration source contribution of plate structures. The theory of the ICA technique is introduced and the procedure of the vibration source contribution analysis based on the ICA technique is proposed. To investigate the applicability of the proposed method to plate structures, numerical examples are presented for a rectangular plate under harmonic force excitations. The results show that the proposed method could become an effective tool for the vibration source contribution analysis of a plate structure.
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