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Sensors (Basel). 2018 Jun 4;18(6). pii: E1810. doi: 10.3390/s18061810.

A Comparison between the Decimated Padé Approximant and Decimated Signal Diagonalization Methods for Leak Detection in Pipelines Equipped with Pressure Sensors.

Author information

1
Department of Innovation Engineering, University of Salento, 73100 Lecce, Italy. aime.lay.ekuakille@unisalento.it.
2
Department of Mechanics Mathematics & Management, Polytechnic of Bari, 70100 Bari, Italy. laura.fabbiano@poliba.it.
3
Department of Mechanics Mathematics & Management, Polytechnic of Bari, 70100 Bari, Italy. gaetano.vacca@poliba.it.
4
Faculty of Engineering, Bel Campus University of Technology, 01 Kinshasa, DR Congo. joekid012@gmail.com.
5
Department of Electronics, ISTA University, 01 Kinshasa, DR Congo. patricebibala@gmail.com.
6
School of Engineering, University of Basilicata, 85100 Potenza, Italy. vitotelesca64@gmail.com.

Abstract

Pipelines conveying fluids are considered strategic infrastructures to be protected and maintained. They generally serve for transportation of important fluids such as drinkable water, waste water, oil, gas, chemicals, etc. Monitoring and continuous testing, especially on-line, are necessary to assess the condition of pipelines. The paper presents findings related to a comparison between two spectral response algorithms based on the decimated signal diagonalization (DSD) and decimated Padé approximant (DPA) techniques that allow to one to process signals delivered by pressure sensors mounted on an experimental pipeline.

KEYWORDS:

detecting leakage in pipelines; nondestructive tests; pressure sensors; revealing cracks in waterworks; structural health monitoring

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