Comparing model-based adaptive LMS filters and a model-free hysteresis loop analysis method for structural health monitoring
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- 作者：Cong Zhoua ; cong.zhou@pg.canterbury.ac.nz" class="auth_mail" title="E-mail the corresponding author ; J. Geoffrey Chasea ; Geoffrey W. Rodgersa ; Chao Xub
- 关键词：Structural health monitoring ; Hysteresis loop analysis ; Adaptive filter ; Damage identification ; Model-based ; Reinforced concrete experimental structure
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 February 2017
- 年：2017
- 卷：84
- 期：part_PA
- 页码：384-398
- 全文大小：4259 K
文摘
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The capability necessary to monitor the evolution of structural health over time and multiple events is examined.
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It delineates how the model-free method adapts to changes in how structures transfer load across structural elements.
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Model-based methods may present an image of greater spread of lesser damage over both DOF and time.
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The numerical comparison quantifies the impact of mismatch between the baseline model and the actual response.