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《Agricultural Equipment & Vehicle Engineering》 2018-11
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Evaluation of Fuel Cell Engine Reliability Based on Optimal Parameters

Zhao Shanzheng;Ma Jianjun;Zhao Lihui;Zheng Songlin;Chen Tie;Yu Jiawei;School of Mechanical Engineering, University of Shanghai for Science and Technology;Shanghai Motor Vehicle Inspection Certification & Tech Innovation Center Co.,LTD;Machinery Industry Key Laboratory for Mechanical Strength & Reliability Evaluation of Auto Chassis Components;  
Fuel cell reliability is an important parameters indicator for evaluating the quality of fuel vehicles. Based on the first failure mileage data of a certain fuel cell vehicle engine obtained from the investigation, a point estimation method based on uniformly minimum variance unbiased estimate and the shortest confidence interval estimation method to evaluate the reliability of the fuel cell engine were proposed in this paper. The results indicated that this method can make the error of the engine underestimation parameter reach the minimum. At the same time, the mileage of the first failure and the average remaining life of the fuel cell engine can be predicted earlier and more effectively.
【Fund】: 上海市科技人才计划项目(14XD1420700);; 上海市汽车工业科技发展基金资助项目(1624)
【CateGory Index】: U464.93
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