Development of an attachable piezoelectric impedance measuring device for structural health monitoring

Zhiwen Zhang; Zhongwei Jiang; Tetsuya Morisaki

doi:10.1117/12.664491

20 February 2006 Development of an attachable piezoelectric impedance measuring device for structural health monitoring

Zhiwen Zhang, Zhongwei Jiang, Tetsuya Morisaki

Proceedings Volume 6041, ICMIT 2005: Information Systems and Signal Processing; 604131 (2006) https://doi.org/10.1117/12.664491
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China

Abstract

In this paper, we develop a field-portable small-size impedance measurement system for structural health monitoring. The system consists of a rectangle wave generator, computer (or microcomputer), AD converter and piezo-electric element. We present some experimental results for testing the torque loose in the bolt for a truss structure. The results indicate that an accuracy of the impedance measurement system proposed in this paper is almost as accurate as the commercial multipurpose impedance analyzer, and it could be used on the structures for health monitoring.

Citation Download Citation

Zhiwen Zhang, Zhongwei Jiang, and Tetsuya Morisaki "Development of an attachable piezoelectric impedance measuring device for structural health monitoring", Proc. SPIE 6041, ICMIT 2005: Information Systems and Signal Processing, 604131 (20 February 2006); https://doi.org/10.1117/12.664491

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