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ADALINE Network-Based Temperature Compensation Method for SHM Method

Abstract : The performance of current PZTs array and Lamb wave based SHM methods is restricted by the temperature variation. As temperature has a significant influence on Lamb wave propagation which leading to false monitoring result even if the structure is under health status. A new temperature compensation method based on adaptive filter adaptive liner neural (ADALINE) network has been developed to compensate for the amplitude-change and phase-shift of Lamb wave due to temperature change. Network construction and procedure of compensation are discussed. The advantages of this proposed method are (1) Simple to be applied, (2) only a few baselines are required for a large temperature range. Experiments are conducted on a stiffened carbon fiber composite panel to verify the temperature compensation method under temperature range from -40ÁC to 80ÁC. Results show the presented method is effective. Damage image combined with this compensation method can detect the damage under temperature variations.
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Submitted on : Tuesday, July 8, 2014 - 10:02:00 AM
Last modification on : Sunday, July 29, 2018 - 8:46:01 AM
Long-term archiving on: : Wednesday, October 8, 2014 - 11:40:55 AM


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  • HAL Id : hal-01020369, version 1



Tianxiang Huang, Shenfang yuan, Lei Qiu. ADALINE Network-Based Temperature Compensation Method for SHM Method. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01020369⟩



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