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Title: Wireless sensor networks for structural health monitoring : challenges and techniques
Authors: Liu, X
Cao, J 
Xu, YL 
Zhu, S 
Issue Date: Dec-2011
Source: Dynamics for sustainable engineering : proceedings of the 14th Asia-Pacific Vibration Conference, 5-8 December 2011, Hong Kong, v. 1, p. 123-132
Abstract: WSNs have been regarded as a substitute for traditional wire-based structural health monitoring (SHM) systems due to the low cost, easy deployment and high scalability. Despite of the existing deployments of WSNs on various structures, using WSNs for SHM is still a challenging task and many related issues are yet to be fully addressed or even clearly identified. Particularly, advantages and limitations of associated techniques to address some issues have not been well recognized. In this paper. we first review the existing WSN-based SHM systems and then identify five some challenging issues when WSNs are used to monitor structural conditions. These challenges, ranging from energy consumption. Data delivery, to SHM algorithms and middleware framework, are mainly caused by the contradiction between the high requirements of SHM and resource-limited WSNs. Existing techniques to address these issues, along with their benefits and drawbacks, are also presented.
Keywords: Wireless sensor networks
Structural health monitoring
Publisher: Department of Civil and Structural Engineering and Department of Mechanical Engineering, The Hong Kong Polytechnic University.
ISBN: 978-962-367-731-8
Rights: Copyright ©2011 Department of Civil and Structural Engineering and Department of Mechanical Engineering, Hong Kong Polytechnic University
Posted with permission of the publisher.
Appears in Collections:Conference Paper

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