Damage localization in plate-like structure using built-in PZT sensor network | Zendy

Xinglong Liu | Zendy; Chengxu Zhou | Zendy; Zhongwei Jiang | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Damage localization in plate-like structure using built-in PZT sensor network

Author(s) -

Xinglong Liu,

Chengxu Zhou,

Zhongwei Jiang

Publication year - 2012

Publication title -

smart structures and systems

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.563

H-Index - 47

eISSN - 1738-1991

pISSN - 1738-1584

DOI - 10.12989/sss.2012.9.1.021

Subject(s) - lamb waves , materials science , acoustics , signal (programming language) , wafer , narrowband , structural health monitoring , electronic engineering , structural engineering , optics , computer science , surface wave , optoelectronics , composite material , engineering , physics , programming language

In this study, a Lamb-wave based damage detection approach is proposed for damage localization in plate. A sensor network consisting of three PZT wafer type actuators/sensors is used to generate and detect Lamb waves. To minimize the complication resulted from the multimode and dispersive characteristics of Lamb waves, the fundamental symmetric Lamb mode, S0 is selectively generated through designing the excitation frequency of the narrowband input signal. A damage localization algorithm based upon the configuration of the PZT sensor network is developed. Time-frequency analysis method is applied to purify the raw signal and extract damage features. Experimental result obtained from aluminum plate verified the proposed damage localization approach.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research