African Journal of Physics

African Journal of Physics ISSN: 9821-5213 Vol. 3 (4), pp. 078-080, April, 2016. © International Scholars Journals

Full Length Research Paper

Comparison of Excitement Methods of Vibrant Wire Sensors

Porfirio V. Guerrero, Vicente  H. K. M. and Agustín de Gortari

Control and Automation Laboratory, CECE, State University of West of Parana, Av. Presidente Tancredo Neves 6731, Jardim ITAIPU, Parque Tecnológico Itaipu, Bloco 11, Espaço 2, Sala 3, CEP 85867-900, Foz do Iguaçu, Paraná.

*Corresponding author. E-mail: porfirio5855@yahoo.com

Accepted 14 March, 2014

Abstract

The vibrating wire sensors are very robust and have a high sensitivity, they are widely used in civil construction for monitoring structures, and hence an accurate measurement of these instruments is highly recommended. However, these sensors must be stimulated before being measure, and then it will transmit a response signal. Thus this study aims to compare the different methods that can be used for excitation to this type of sensor to indicate what their differences and characteristics, consequently proposing one that provides a better response signal.

Keywords: Electromechanical sensors, signal processing, measurement, frequency response, electrical stimu-lation, vibrating wire.