Dong-Soo Hong

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In this study, an improved GA-based damage detection algorithm using a set of combined modal features that include natural frequency, mode shape, and modal strain energy is proposed. In order to achieve the objective, the following approaches are implemented. Firstly, a new GA-based damage detection algorithm is formulated for beam-type structures. A(More)
In this study, a two-step ANN-based algorithm using acceleration signal and mode-shape for detecting location and severity of damage in beam-type structures is proposed. First, theoretical backgrounds are described. The problem addressed in this paper is defined as the stochastic process. Also, the first-step ANN-algorithm using output-only acceleration(More)
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