Acoustic emission sensor for identification of chemical reactions

Author

Lec, R.M. ; Lewin, P.A. ; Musavi, M. ; Bang, S.W. ; Goel, S. ; Kwoun, S. ; Radulescu, E.

Author_Institution

Dept. of Electr. & Biomed. Eng., Drexel Univ., Philadelphia, PA, USA

Volume

2

fYear

1999

fDate

1999

Firstpage

978

Abstract

This paper describes a novel acoustic wave sensor designed for identification of chemical reactions. The principle of operation of the sensor is based on the acoustic emission (AE) phenomena. Chemical changes taking place during reactions are accompanied by energy transfer with some of the energy converted into acoustic waves. The AE waves frequency spectra exhibited unique patterns for the studied chemical reactions, and were used for their identification. A backpropagating neural network was used to implement the recognition of the AE chemical pattern. Potential applications of the AE chemical sensor include process control in the chemical, food, medical and pharmaceutical industries

Keywords

acoustic emission; backpropagation; chemical sensors; neural nets; nonelectric sensing devices; process control; AE chemical pattern; acoustic emission sensor; acoustic wave sensor; backpropagating neural network; chemical reactions; chemical sensor; energy transfer; frequency spectra; process control; Acoustic emission; Acoustic sensors; Acoustic waves; Chemical industry; Chemical sensors; Energy exchange; Frequency; Neural networks; Pattern recognition; Sensor phenomena and characterization;

fLanguage

English

Publisher

ieee

Conference_Titel

Frequency and Time Forum, 1999 and the IEEE International Frequency Control Symposium, 1999., Proceedings of the 1999 Joint Meeting of the European

Conference_Location

Besancon

ISSN

1075-6787

Print_ISBN

0-7803-5400-1

Type

conf

DOI

10.1109/FREQ.1999.841469

Filename

841469