A system for automated online oil analysis

Author： Peršin G Salgueiro J Vižintin J Juričić Ð

Publisher： The British Institute of Non-Destructive Testing

ISSN： 1354-2575

Source： Insight - Non-Destructive Testing and Condition Monitoring, Vol.54, Iss.8, 2012-08, pp. : 428-432

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Abstract

Oil analysis has proven to be an effective tool to assess the condition of mechanical drives and of the lubricant itself. Analysis of the various physical and chemical properties of oil, such as viscosity, temperature, water saturation and wear debris, can be used to determine faulty components or register potentially harmful events.An automated online oil analysis system has been designed to simultaneously measure and detect changes in critical oil properties. Based on that, it is able to pinpoint the illfated components and degradation of the lubricant, cross-contamination, excessive temperatures, water/contaminants ingression and the severity of wear. By establishing a model of the machine life-cycle, the system is able to follow its evolution and detect deviations from healthy behaviour. It provides the operators with the qualitative characterisation of status signals ('Good', 'Warning' and 'Critical') and final inference on component condition. A demonstration of the laboratory test machine is presented.