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Title:Multi-scale structural health monitoring using wireless smart sensors
Author(s):Jo, Hongki
Director of Research:Spencer, Billie F., Jr.
Doctoral Committee Chair(s):Agha, Gul A.
Doctoral Committee Member(s):Spencer, Billie F., Jr.; Fahnestock, Larry A.; Work, Daniel B.; Downing, Stephen D.
Department / Program:Civil & Environmental Eng
Discipline:Civil Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Smart Sensor
Wireless Sensor
Structural Health Monitoring
Multi-metric sensing
Multi-scale monitoring
Abstract:Tremendous progress has been made in recent years in the wireless smart sensor (WSS) technology to monitor civil infrastructures, shifting focus away from traditional wired methods. Successful implementations of such WSS networks for full-scale SHM have demonstrated the feasible use of the technology. Much of the previous research and application efforts have been directed toward single-metric applications. Multi-metric monitoring, in combination with physics-based models, has great potential to enhance SHM methods; however, the efficacy of the multi-metric SHM has not been illustrated using WSS networks to date, due primarily to limited hardware capabilities of currently available smart sensors and lack of effective algorithms. This research seeks to develop multi-scale WSSN strategies for advanced SHM in cost effective manner by considering: (1) the development of hybrid SHM method, which combine numerical modeling and multi-metric physical monitoring, (2) multi-metric and high-sensitivity hardware developments for use in WSSNs, (3) network software developments for robust WSSN, (4) algorithms development to better utilize the outcomes from SHM system, and (5) full-scale experimental validation of proposed research. The completion of this research will result in an advanced multi-scale WSS framework to provide innovate ways civil infrastructure is monitored.
Issue Date:2013-08-22
URI:http://hdl.handle.net/2142/45556
Rights Information:Copyright 2013 Hongki Jo
Date Available in IDEALS:2013-08-22
2015-08-22
Date Deposited:2013-08


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