Chapter
Apr 26, 2012
Structural Health Monitoring with Data Fusion Method
Authors: Xiukuan Zhao [email protected] and Department of Mechanical Engineering, University of Houston, N207 Engineering Building 1, Houston, TX 77204-4006, USA, Haichang Gu, Gangbing Song [email protected], Y. L. Mo [email protected], and Jinwu XuAuthor Affiliations
Publication: Earth and Space 2010: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
In structural health monitoring, damage detection results have uncertainty due to the measurement noise, modeling error and environment changes. In this paper, data fusion based on the Dempster-Shafer (D-S) evidence theory was employed to decrease the uncertainty level and improve the accuracy of damage identification. A weighted fusion damage index (WFDI) was proposed to perform damage identification. A two-story concrete frame was fabricated as the object for the structural health monitoring test. Experimental results have verified the effectiveness of the proposed method, which will improve damage identification accuracy and increase the reliability of damage identification.
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© 2010 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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School of Mechanical Engineering, University of Science and Technology Beijing, P.O. Box 656, 30 Xueyuan Road, Haidian District, Beijing, 100083, China. E-mail: [email protected] and Department of Mechanical Engineering, University of Houston, N207 Engineering Building 1, Houston, TX 77204-4006, USA
Haichang Gu
Department of Mechanical Engineering, University of Houston, N207 Engineering Building 1, Houston, TX 77204-4006, USA
Department of Mechanical Engineering, University of Houston, N207 Engineering Building 1, Houston, TX 77204-4006, USA. E-mail: [email protected]
Department of Civil and Environmental Engineering, University of Houston, N107 Engineering Building 1, Houston, TX 77204-4003, USA. E-mail: [email protected]
Jinwu Xu
School of Mechanical Engineering, University of Science and Technology Beijing, P.O. Box 656, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
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