Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Case Study on Integrated In-line Oil Monitoring Sensor for Machine Condition Monitoring of Steel Making Industry

통합형 인-라인 오일 모니터링 센서의 제철설비 현장 적용사례

  • Kong, H. (Energy Mechanics Research Center, Korea Institute of Science and Technology) ;
  • Han, H.G. (Energy Mechanics Research Center, Korea Institute of Science and Technology) ;
  • Kwak, J.S. (Maintenance Technology Department, KwangYang POSCO) ;
  • Chang, W.S. (Maintenance Technology Department, KwangYang POSCO) ;
  • Im, G.G. (Maintenance Technology Department, KwangYang POSCO)
  • 공호성 (한국과학기술연구원 에너지메카닉스연구센터) ;
  • 한흥구 (한국과학기술연구원 에너지메카닉스연구센터) ;
  • 곽진수 (광양제철소 설비기술부) ;
  • 장원수 (광양제철소 설비기술부) ;
  • 임경근 (광양제철소 설비기술부)
  • Received : 2009.11.23
  • Accepted : 2009.12.18
  • Published : 2010.02.28
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Abstract

One of the important trends for condition monitoring in the 21st century is the development of smart sensors that will permit the cost-effective continuous monitoring of key machine equipments. In this study, an integrated in-line oil monitoring sensor assigned for continuous in situ monitoring multiple parameters of oil performance is presented. The sensor estimates oil deterioration based on the information about chemical degradation, total contamination, water content of oil and oil temperature. The oil oxidation is estimated by "chromatic ratio", total contamination is measured by the changes in optical density of oil in three optical wave-bands ('Red', 'Green' and 'Blue') and water content is evaluated as relative saturation of oil by water. In order to evaluate the sensor's effectiveness, the sensor was applied to several used oil samples in steel making industry and the results were compared with those measured by standard test methods.

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References

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