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Application Of Two Individual Data-Driven Based Change/Damage Detection Methods For Bridge Monitoring
Authors
F. N. Catbas
M. Malekzadeh
Publication date
1 December 2013
Publisher
'Information Bulletin on Variable Stars (IBVS)'
Abstract
Fault detection is an important component for Structural Health Monitoring (SHM) applications. Herein, the efficiency of two data-driven based damage detection algorithms for bridge monitoring application will be explored and demonstrated. These algorithms will be based on Robust Regression Analysis (RRA) and Moving Principal Component Analysis (MPCA) as two statistics-based damage detection algorithms, which do not require a mathematical model for implementation. As a result, these methods are classified as data-driven techniques and they are quite effective for practical use in real life as long as the limitations are understood and the uncertainties can be evaluated. These methods will be demonstrated on a phenomenological model developed in the laboratory. This model, the UCF 4-span bridge, is equipped with Fiber Bragg Grating (FBG) sensors at 10 different locations and 2 most common and critical damage scenarios are chosen and induced for fault detection application. In addition to the lab test, the effectiveness of these techniques is tested with a real-life data from a unique structure. © 2013 Taylor & Francis Group, London
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Last time updated on 18/10/2022