Abstract
The article deals with the issues of constructing a rear axle reliability scheme. On the basis of statistical analysis, estimates of the parameters of the Weibull reliability model for individual axle nodes are obtained, which are the basis for calculating rear axle reliability schemes. For the main nodes that are used in the reliability scheme, the proximity to the Rayleigh model is shown, which is used as the base model. The article proposes an approach for calculating the reliability of a bridge based on the use of fuzzy sets. It is assumed that the parameters of reliability models represent fuzzy numbers. To calculate the scheme on the basis of classical methods, transformations of the membership functions of the parameters of the reliability models of parts are obtained. As a result, reliability indicators such as the probability of failure-free operation, the probability of failure, and others are also fuzzy numbers or fuzzy functions.
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