Easy installation method of piezoceramic (PZT) transducers for health monitoring of structures using electro-mechanical impedance technique

Venu Gopal Madhav Annamdas; Madhav Annamdas Radhika; Yaowen Yang

doi:10.1117/12.815409

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30 March 2009 Easy installation method of piezoceramic (PZT) transducers for health monitoring of structures using electro-mechanical impedance technique

Venu Gopal Madhav Annamdas, Madhav Annamdas Radhika, Yaowen Yang

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Proceedings Volume 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009; 729227 (2009) https://doi.org/10.1117/12.815409
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

Impedance-based structural health monitoring (SHM) technique has been developed using piezo-ceramic (PZT) transducers either by surface bonding or embedding inside the structure to detect damage at the earliest possible stage using signatures. However, this technique requires PZT to be permanently attached to the structures. Furthermore permanent attachment will influence the appearance of the host structure and during replacement of faulty transducer, the use of de bonding tools may spoils the surface and beneath. Hence the present study is aimed to fabricate a portable structure, where PZTs are bonded on it and later the portable structure is attached to the host structure. This portable structure is easy to install during monitoring period and uninstall after recording the monitoring signatures of the host structure. This method protects the surface of the host structure to be monitored and will have same efficiency as that of permanently attached PZTs.

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Venu Gopal Madhav Annamdas, Madhav Annamdas Radhika, and Yaowen Yang "Easy installation method of piezoceramic (PZT) transducers for health monitoring of structures using electro-mechanical impedance technique", Proc. SPIE 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009, 729227 (30 March 2009); https://doi.org/10.1117/12.815409

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