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工程设计学报
Chinese Journal of Engineering Design  2006, Vol. 13 Issue (6): 451-458    DOI:
    
New method to establish oil monitoringdiagnosis criteria
 CAO  Yi-Bo1, XIE  Xiao-Peng2
1. College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China；
2. College of Automobile Engineering, South China University of Technology, Guangzhou 510640, China
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Abstract  Aiming at the situation that there are only a few sample data in equipment wearing fault and so faults are difficult to diagnose, oil monitoring diagnosis criteria based on the maximum entropy principle are put forward. Firstly, maximum entropy principle is used to analyze the oil monitoring data. Then, the most unbiased probability distribution of oil monitoring data is obtained, and the unbiased arithmetic mean and variance of the monitoring data can be gained. With the three-line values method, three abrasion status distinguishing criteria, namely normal-line values, warning-line values and danger-line values, are acquired. Finally, the above method has been applied to analyze the actual oil monitoring data (ferrographic analytical data) of fan facilities in a landification enterprise and comparison with the actual overhaul result shows the method is effective.

Key words： oil diagnosis      maximum entropy principle      three-line values method      diagnosis criteria     
Published: 28 May 2006
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Cite this article:

CAO Yi-Bo, XIE Xiao-Peng. New method to establish oil monitoringdiagnosis criteria. Chinese Journal of Engineering Design, 2006, 13(6): 451-458.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2006/V13/I6/451


一种新的建立磨损状态判别标准的方法

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关键词：  ,  铁谱分析,  极大熵原理,  三线值分析法,  判别标准 
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