Intelligent risk prediction of storage tank leakage using an Ishikawa diagram with probability and impact analysis

Ikwan, Favour, Sanders, David, Haddad, Malik, Hassan, Mohamed, Omoarebun, Peter, Thabet, Mohamad, Tewkesbury, Giles and Vuksanovic, Branislav (2021) Intelligent risk prediction of storage tank leakage using an Ishikawa diagram with probability and impact analysis. Arai, Kohei, Kapoor, Supriya and Bhatia, Rahul (eds.) In Intelligent Systems and Applications - Proceedings of the 2020 Intelligent Systems Conference IntelliSys Volume 3. vol. 1252 AISC, Springer. pp. 604-616 . (doi:10.1007/978-3-030-55190-2_45).

Abstract

Intelligent probability and impact analysis are used with an Ishikawa diagram. Causes of tank leakage events are identified. Causes were ranked and weights assigned to show their relative importance in the diagram. A Risk Score for each category of causes is identified using probability and impact analysis. The application is explored to predict the risk of leakage in a storage tank. That risk can be mixed with real time data to create an intelligent system. Various methods can be used to predict future system states centred upon an analysis of trends within historic or past data. A simple human computer interface is presented to display the results by overlaying ‘Fail’ or ‘Warning’ states on a schematic of a storage tank. Important information can be flagged alongside conditions. As an example, a surface graph, representing the storage tank condition over a ten-week period is displayed. A continuing deterioration in the score connected with “lack of operating procedures” is presented.

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Contributors

Author: Mohamed Hassan

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