DEVELOPMENT OF A MACRO MODEL FOR FAILURE RATE OF
IMPULSE SOURCE OF SECONDARY ELECTRIC POWER SUPPLY  

Volodin Pavel Nikolaevich, master degree student, Moscow Institute of Electronics and Mathematics named after A. N. Tikhonov (123458, 34 Tallinskaya street, Moscow, Russia), pavelj.volodin2013@yandex.ru

662.621.3

10.21685/2307-4205-2017-3-7

In this article, the object of study is the pulsed secondary power source (IWEP) personal computers (PVM). The work purpose – analysis of changes in indicators of reliability of IWEP depending on temperature, electrical load and operating conditions, constructing a model of reliability. In the process of exploratory works were carried out a literature review on the research top ic, an overview of the main areas of scientific activity. It was concluded that the most often in the theory of reliability uses the exponential distribution, Weibull distribution and Rayleigh, lognormal distribution law etc. are Formulated the main requirements to model the reliability characteristics of the pulse of IWEP. The algorithm for the construction of the model the reliability characteristics of the pulse of IWEP based on the factorization methods, experiment design and complete ca lculation of the reliability of the instrument. Formulated the necessary  inputs for model generation. A review of methods for stages of electrical calculation and calculation of reliability undertaken to obtain the necessary source data. After a short review of programs allowing to perform circuit simulation and modeling of electric processes in the circuit, it was decided to focus on Electronic WorkBench. To determine the operating temperatures of ERIE computer PSU, was carried out the experiment using the thermal imager. We developed a macro model of the failure rate of IWEP using the method of polynomial 
approximation.

secondary power supply, reliability, operational failure rate, model, design