Substantiation of the Replacement Interval of Construction Machines by the Target Reliability Level

Sergey Repin, Andrej Zazykin, Natalya Krotova


The article presents results of researches in the field of ensuring operational capability of complex technical objects using the example of construction machines. Methods of determining the replacement interval of elements in accordance with the accepted at the present time progressive operating strategy — by technical condition, in accordance with the current reliability level, determined by statistical or parametric characteristics of replaced units — are considered. Replacement is performed before reaching of limiting values of characteristics. Parametric characteristics are measured in the process of unit condition diagnostics, and statistical characteristics are determined on the basis of operational information.


Construction machines, transport-technological machines, reliability, operation, technical condition, repair

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