«Automation and Informatization of the fuel and energy complex»

Fuzzy decision-making model in the problem of pipeline leak detection

UDC: 622.692.482
DOI: -

Authors:

¹ Gazprombank, Moscow, Russia

Keywords: leaks detection, pipeline transport, fuzzy logic, fuzzy sets, decision-making algorithms, decision-making tree, calculated solution, mass volume balance method, hydraulic location method

Annotation:

Timely leaks detection is one of relevant objectives in the field of pipeline transportation. Automatic leak detection systems (LDS) are envisaged to ensure safety and reliability of pipelines operation. Efficient LDS has to be highly sensitive to leaks detection and at the same time prevent false alarms. Other requirements to LDS include two or more independent leaks detection methods to be used in assessing algorithms, based on various physical principals as well as the possibility of detecting a leak volume and location with sufficient accuracy. The authors of the article demonstrate one of the possible variants of a decision-making algorithm implementation for leaks detection occurrence by using fuzzy logic methodology. Some variants of building a decision-making-tree and cross-type calculated solution of independent methods have been considered. The presented model uses two most popular physical methods of leaks detection: volume balance and hydraulic location methods. Generalized quality and reliability metrics have been designed and analysed to assess the algorithm efficiency.

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