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Economic Analysis of Canary-Based Prognostics and Health Management

Economic Analysis of Canary-Based Prognostics and Health Management,10.1109/TIE.2010.2072897,IEEE Transactions on Industrial Electronics,Wenbin Wang,M

Economic Analysis of Canary-Based Prognostics and Health Management   (Citations: 1)
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Prognostics and health management (PHM) is a dis- cipline of techniques utilizing in situ monitoring and analysis to assess and trend system degradation and to determine remaining useful life with a defined level of confidence for a specified coverage of anticipated events. One of the techniques for PHM is the use of a canary: an early-warning device derived from the use of a canary bird to detect the presence of poisonous gases in a mineshaft. This paper proposes a cost-based decision model to evaluate the economic benefit of the use of canary devices and the optimal replacement time of a canary-equipped system if the canary issues a warning. This paper also discusses the influence of scheduled preventive maintenance on the replacement policy of a canary-equipped system. The model is demonstrated with an example from the aviation industry.
Journal: IEEE Transactions on Industrial Electronics - IEEE TRANS IND ELECTRON , vol. 58, no. 7, pp. 3077-3089, 2011
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