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Vol. 18, Special Issue, January 2013, pp. 59-65

 

Selected papers from the 3rd International Conference on Sensor Device Technologies and Applications (SENSORDEVICES' 2012)
and The 6th International Conference on Sensor Technologies and Applications (SENSORCOMM' 2012),

19 - 24 August 2012, Rome, Italy

 

Bullet

 

Module with Piezoelectric Sensor for Acoustic Emission Applications
 
1 Irinela CHILIBON, 2 Marian MOGILDEA, 2 George MOGILDEA

1 National Institute of Research and Development for Optoelectronics, INOE-2000,

P.O. Box MG-5, 77125, Bucharest-Magurele, Romania

Tel./fax: 40214574522

2 Institute of Space Sciences, ISS, P.O. Box MG-23, 77125,

Bucharest-Magurele, Romania

E-mail: qilib@yahoo.com, marian_mogildea@yahoo.com, georgemogildea@yahoo.com

 

 

Received: 15 November 2012   /Accepted: 14 December 2012   /Published: 22 January 2013

Digital Sensors and Sensor Sysstems

 

Abstract: This paper presents a wireless acoustic emission sensor module with microcontroller for monitoring systems of structures under stress, prevailed by a piezoelectric AE sensor on the investigated material surface. The module performs the analogue/digital conversion of signals, the microcontroller commands the wireless interface, may send and receive information from other emitting - receiver wireless modules. The microcontroller could vary the amplifier gain and make the appropriate analogue/digital conversion. Many wireless modules with acoustic emission sensors could be successfully applicable to the AE monitoring systems of complex construction structures in the civil engineering, using dedicated software.

 

Keywords: AE, Acoustic emission, Non-destructive testing, NDT, Microcontroller, C

 

 

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