<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A novel double-emitter ultrasonic system for distance measurements based on the correlation method is presented. The proposed distance measurement method may be particularly useful in difficult conditions, e.g. for media parameters undergoing fast changes or in cases when obstacles and mechanical interference produce false reflections. The system is a development of a previously studied single-head idea. The present article covers a comparison of the two systems in terms of efficiency and precision. Experimental research described in this paper indicated that adding the second head improved the measurement exactness – standard deviation decreased by 40%. The correlation method is also described in detail, also giving the criterion for the quality of the measurement signal.</p></abstract>

A novel double-emitter ultrasonic system for distance measurements based on the correlation method is presented. The proposed distance measurement method may be particularly useful in difficult conditions, e.g. for media parameters undergoing fast changes or in cases when obstacles and mechanical interference produce false reflections. The system is a development of a previously studied single-head idea. The present article covers a comparison of the two systems in terms of efficiency and precision. Experimental research described in this paper indicated that adding the second head improved the measurement exactness – standard deviation decreased by 40%. The correlation method is also described in detail, also giving the criterion for the quality of the measurement signal.

A Novel Three-Head Ultrasonic System for Distance Measurements Based on the Correlation Method

Institute of Industrial Electrical Engineering and Computer Technology, Department of Theoretical Electrical Engineering and Metrology, Faculty of Electrical and Computer Engineering, Cracow University of Technology, ul. Warszawska 24, 31-155, Krakow, Poland.

Institute of Industrial Electrical Engineering and Computer Technology, Department of Traction and Traffic Control, Faculty of Electrical and Computer Engineering, Cracow University of Technology, ul. Warszawska 24, 31-155, Krakow, Poland.

AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Strength and Fatigue of Materials and Structures, al. A. Mickiewicza 30, 30-059 Krakow, Poland.

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A novel double-emitter ultrasonic system for distance measurements based on the correlation method is presented. The proposed distance measurement method may...

A Novel Three-Head Ultrasonic System for Distance Measurements Based on the Correlation Method

Published Online: Dec 15, 2014

Page range: 331 - 336

Received: Mar 14, 2014

Accepted: Nov 10, 2014

DOI: https://doi.org/10.2478/msr-2014-0045

Keywords
Ultrasonic measurements, ultrasonic waves, non-destructive testing, distance measurements, cross-correlation

© 2014 Krzysztof Gądek et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A Novel Three-Head Ultrasonic System for Distance Measurements Based on the Correlation Method

Published Online: Dec 15, 2014

Page range: 331 - 336

Received: Mar 14, 2014

Accepted: Nov 10, 2014

DOI: https://doi.org/10.2478/msr-2014-0045

KeywordsUltrasonic measurements, ultrasonic waves, non-destructive testing, distance measurements, cross-correlation

© 2014 Krzysztof Gądek et. al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Ultrasonic measurements, ultrasonic waves, non-destructive testing, distance measurements, cross-correlation