NON-DESTRUCTIVE CONTROL: ANALYSIS OF ROLLING STOCK RELIABILITY
Abstract
In the article the authors evaluate critically the existing calculation method of reliability and durability of rolling stock’s component parts basing on the results of non-destructive control and propose corrections which can make it more effective. Probability of failures at different running time, their empirical correlations were determined taking into account the distribution function. Results of testing of wheel set axles reliability calculations are given at the example of locomotives VL80 using the described technique. For calculations the authors used data obtained during maintenance of electric locomotives at locomotive depots of Privolzhskaya railway in 2010-2011. The calculations show that the running time to failure of wheel set axles obeys an exponential distribution law, the failure rate is constant, which means that the deterioration of their technical condition with increasing operating time of up to 4.5 million km does not occur, and failures are of random (sudden) character.
About the Authors
A. A. Vorobiev
Moscow State University of Railway Engineering (MIIT), Moscow
Russian Federation
Russian Federation
D. Sc. (Tech.), professor
V. A. Karpov
JSC Russian railways, Atkarsk
Russian Federation
Russian Federation
head of laboratory of metrology center of Privolzhskaya railway – a subsidiary
S. A. Sokolov
Moscow State University of Railway Engineering (MIIT), Moscow
Russian Federation
engineer, head of programming group
Russian Federation
engineer, head of programming group
References
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Review
For citations:
Vorobiev A.A., Karpov V.A., Sokolov S.A. NON-DESTRUCTIVE CONTROL: ANALYSIS OF ROLLING STOCK RELIABILITY. World of Transport and Transportation. 2014;(6):58-67.
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