Data quality indicators for vibration-based damage detection and localization

Zhengjie Zhou,Leon D. Wegner,Bruce F. Sparling

Engineering Structures（2021）

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摘要

•The quality of ambient VBDD data is assessed by its consistency over multiple tests.•The consistency of the data is quantified using data quality indicators (DQIs)•Probability of locating damage is generated using FEA and random excitation.•DQI values correlate well with the probability of successful damage localization.•Necessary DQI values for a 90% localization success rate are identified.

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关键词

Vibration-based damage detection,Bridge deck,Random excitation,Transient dynamic analysis,Data quality

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