Reliability Analysis of Railway Freight Wagon Wheelset

Marius Adrian Spiroiu

doi:10.4028/www.scientific.net/AMM.809-810.1097

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 809-810Reliability Analysis of Railway Freight Wagon...

Reliability Analysis of Railway Freight Wagon Wheelset

Abstract:

The aim of this paper is to analyze the reliability of freight wagon wheelset on the basis on real field data, observed and collected in actual operations of freight wagons. The failure modes and their associated occurrence absolute frequencies are identified and a Pareto analysis is carried out.The Weibull probability distribution is used to determine the reliability mathematical model for railway wheelset. The probability law is linearized, allowing the use of linear regression to estimate, on the basis of empirical data, the˰̸̵̱̓̀˰̵̵̱̱̀͂̽̈́͂˰ڂ˰̴̱̾˰̸̵̈́˰̵̳̱̼̓˰̵̵̱̱̀͂̽̈́͂˰ڇ of Weibull distribution. The estimated reliability model is close to an exponential one, assuming a failure rate almost constant.The estimated reliability probabilistic model i̓˰̴̵̴̱̼̹̱͆̈́˰̲͉˰̵̶̷̹̀͂̿͂̽̾˰̱˰ڗ² test to verify that the estimated theoretical reliability mathematical model fits the the empirical distribution.

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Periodical:

Applied Mechanics and Materials (Volumes 809-810)

Pages:

1097-1102

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.809-810.1097

Citation:

Cite this paper

Online since:

November 2015

Authors:

Marius Adrian Spiroiu*

Keywords:

Failure Modes, Mathematical Model, Railway Wheelset, Reliability, Weibull Distribution

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* - Corresponding Author

References

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