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Appl. Sci. 2017, 7(5), 497; doi:10.3390/app7050497

The State-of-the-Art on Framework of Vibration-Based Structural Damage Identification for Decision Making

Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
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Academic Editor: Dimitrios G. Aggelis
Received: 10 April 2017 / Revised: 2 May 2017 / Accepted: 4 May 2017 / Published: 11 May 2017
(This article belongs to the Special Issue Structural Health Monitoring (SHM) of Civil Structures)
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Abstract

Research on detecting structural damage at the earliest possible stage has been an interesting topic for decades. Among them, the vibration-based damage detection method as a global technique is especially pervasive. The present study reviewed the state-of-the-art on the framework of vibration-based damage identification in different levels including the prediction of the remaining useful life of structures and the decision making for proper actions. This framework consists of several major parts including the detection of damage occurrence using response-based methods, building reasonable structural models, selecting damage parameters and constructing objective functions with sensitivity analysis, adopting optimization techniques to solve the problem, predicting the remaining useful life of structures, and making decisions for the next actions. For each part, the commonly used methods were reviewed and the merits and drawbacks were summarized to give recommendations. This framework is aimed to guide the researchers and engineers to implement step by step the structure damage identification using vibration measurements. Finally, the future research work in this field is recommended. View Full-Text
Keywords: vibration-based damage identification; response-based method; model-based method; objective function; optimization algorithm; residual useful life; damage Prognosis; decision making vibration-based damage identification; response-based method; model-based method; objective function; optimization algorithm; residual useful life; damage Prognosis; decision making
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Kong, X.; Cai, C.-S.; Hu, J. The State-of-the-Art on Framework of Vibration-Based Structural Damage Identification for Decision Making. Appl. Sci. 2017, 7, 497.

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