Article 7420

Title of the article

METHODOLOGY FOR ASSESSING THE RESIDUAL LIFE OF THE ELECTRONIC UNIT WITH THE USE OF ACCELERATING FACTORS 

Authors

Kochegarov Igor' Ivanovich, candidate of technical sciences, associate professor, sub-department of radio equipment design and production, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: kipra@pnzgu.ru
Yurkov Nikolay Kondratievich, doctor of technical sciences, professor, the honoured worker of science of the Russian Federation, head of sub-department of radio equipment design and production, Penza State University (40 Krasnaya street, Penza, Russia), E-mail: yurkov_NK@mail.ru
Abdirashev Omirzak Koptileuovich, senior lecturer, sub-department of space engineering and technology, Eurasian National University named after L. N. Gumilyov (2A K. Satpayev street, Nur-Sultan (Astana), Kazakhstan), E-mail: omeke_92@mail.ru
Ergaliev Dastan Syrymovich, candidate of technical sciences, associate professor, head of sub-department of space engineering and technology, Eurasian National University named after L. N. Gumilyov (2A K. Satpayev street, Nur-Sultan (Astana), Kazakhstan), E-mail: DES-67@yandex.kz
Tulegulov Amandos Dabysovich, candidate of physical and mathematical sciences, associate professor, head of sub-department of information technology, Kazakh University of Technology and Business (37 A K. Muhamedhanova street, Nur-Sultan (Astana), Kazahstan), E-mail: tad62@yandex.kz 

Index UDK

004 

DOI

10.21685/2307-4205-2020-4-7 

Abstract

Background. The article aims to assess the residual life of the product for the electronic unit. The types of failures in electronic means are considered. The relevance of this approach is due to the economic feasibility, when it is impossible to quickly replace the unit. Determining the remaining service life is an important concept in making decisions to reduce risks and mitigate the consequences of emergencies. The task is to assess the residual life by introducing accelerating factors during testing for various types of impacts. The influence of defects of capacitors on the residual life is considered in detail.
Materials and methods. For a preliminary assessment of the operating modes of electronic circuits, a mathematical model is proposed that allows taking into account the influence of accelerating factors depending on vibrations, temperature and humidity, as well as assessing the reliability of the product. To obtain the dependence of the operating mode of the condenser on temperature, methods of statistical processing of the data obtained during measurements are used.
Results. The proposed technique makes it possible to take into account the temperature in an additional coefficient that affects the calculation of reliability. The coefficient can be used both in estimated calculations at the design stage and during the operation of a product based on data obtained in real time. This technique is based on known physical models and allows you to achieve good agreement with experimental data by introducing weighting factors.
Conclusions. The proposed technique allows, on the basis of previously prepared data, to evaluate the residual resource of the unit depending on the integral change in such influencing factors as vibration, temperature, and humidity. 

Key words

residual life, reliability, temperature, capacitor, failures, modeling 

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Дата создания: 29.01.2021 11:13
Дата обновления: 29.01.2021 13:37