Reliability Assessment for a Certain Diesel Engine Based on Performance Degradation Data

Fu Zhou Feng; Wei Xing; Ai Wei Si; Guang Ping Wu

doi:10.4028/www.scientific.net/AMR.199-200.481

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 199-200Reliability Assessment for a Certain Diesel Engine...

Reliability Assessment for a Certain Diesel Engine Based on Performance Degradation Data

Abstract:

Reliability of equipment has long been considered as an important quality characteristic. Traditional methods of equipment reliability assessment are based on lifetime data. With equipment being much more reliable and the growing need for developing new equipments within shorter period and at lower cost, we can hardly get enough lifetime data in many cases. Performance degradation data can also be used for reliability assessment. This paper is mainly researched on reliability of a certain diesel engine. Through analyzing the failure mode and failure mechanism, performance degradation parameters of the diesel engine is selected as compression pressure in a cylinder while driven by an electrical motor. Based on a long time accumulation on performance degradation data, two methods of degradation path fitting and degradation value distribution are tried in this paper to evaluate reliability of the diesel engine. Besides, the regulation of the reliability variation is given by the results of the assessment.

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Periodical:

Advanced Materials Research (Volumes 199-200)

Pages:

481-486

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.199-200.481

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Online since:

February 2011

Authors:

Fu Zhou Feng, Wei Xing, Ai Wei Si, Guang Ping Wu

Keywords:

Cylinder Compression Pressure, Diesel Engine, Performance Degradation, Reliability Assessment

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