Abstract
Enterprises of Russia’s radio industry engaged in development and production of electronic instrumentation (EI) for space vehicles (SV), face problems of insuring reliability and, first of all, problems of failurefree operation. Failures during EI acceptance tests and accidents at SV operation are real evidences of mentioned problems. One of the reasons of such situation is application of out-of-date and inaccurate methods of estimating the reliability of SV EI at the design stage where developers embed the reliability that will be realized during production and supported at the operation stage. On the other hand, use of “lower” estimates of failure-free operation parameters can lead to decrease of SV EI competitiveness, as this way in order to enhance reliability, manufacturers unreasonably use various additional ways that lead to deterioration of economic, mass-dimensional and other indices. Therefore, increase of accuracy of estimating the reliability of SV EI with long terms of active existence is a pressing problem, in particular for EI wherein redundancy as well as reconfiguration is used to ensure reliability.
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