Abstract
This article is about reaching and securing high reliability and safety in engineering systems during the design and testing of developmental prototypes. A new approach to and technique of calculation of the design reliability is proposed, taking into account both kinds of failure rates, those that are constant and those that change over time. The function for calculation of design reliability is represented by the product of three constituents of failsafe operation probabilities throughout the whole period of operation, considering the calculation of the reliability of mechanical components and metalwork. The calculation model proposed for reaching and securing the required reliability and safety levels takes into account controlling actions. A new approach and technique, as well as mathematical models, for planning the scope of testing for various laws of run-to-failure distribution are proposed on the basis of nondiscardability of expensive objects. The study results are recommended for use in creating complex engineering systems.
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This work was supported by the Russian Foundation for Basic Research, project no. 17-08-00018.
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Translated by S. Kuznetsov
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Trukhanov, V.M., Kulikova, M.A. & Kukhtik, M.P. Modern Diagnostic Techniques and Mathematical Models of Reaching High Reliability and Safety in Engineering Systems during Design and Tests of Developmental Prototypes. J. Mach. Manuf. Reliab. 49, 731–736 (2020). https://doi.org/10.3103/S1052618820080142
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DOI: https://doi.org/10.3103/S1052618820080142