Modal Analysis of Simply Supported Plate Using Wireless Smart Sensor Networks

Jing Zhou Lu; Xu Zhu; Lin Chen; Bo Jin; Sung Han Sim; Billie F. Spencer

doi:10.4028/www.scientific.net/AMM.94-96.1022

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 94-96Modal Analysis of Simply Supported Plate Using...

Modal Analysis of Simply Supported Plate Using Wireless Smart Sensor Networks

Abstract:

The unique features offered by wireless smart sensor networks (WSSN), including high integration, wireless communication, on-board computation, small in size, simple installation, and cost effectiveness, facilitate a new paradigm to structural health monitoring (SHM) for civil infrastructure. The paper is an example use of WSSN and the Illinois SHM Project toolsuite. An experimental study of modal analysis of a simply supported plate structure has been undertaken. The eigensystem realization algorithm (ERA) in conjunction with natural excitation technique (NExT) and stabilization diagram (SD) is used to extract the modal information, including natural frequency, damping ratio and mode shapes, from the ambient vibration test data. The results show that WSSN designed for SHM application utilizing a smart sensor platform suited to high-frequency, high-fidelity data acquisition and demanding data processing algorithms.

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Periodical:

Applied Mechanics and Materials (Volumes 94-96)

Pages:

1022-1025

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.94-96.1022

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Online since:

September 2011

Authors:

Jing Zhou Lu, Xu Zhu, Lin Chen, Bo Jin, Sung Han Sim, Billie F. Spencer

Keywords:

Natural Excitation Technique, Structural Health Monitoring (SHM), Wireless Smart Sensor Network

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