TO THE PROBLEM OF ASSESSING THE MEAN TIME BETWEEN CRITICAL FAILURES TECHNOGENIC HAZARDOUS SITES

G. Sadyhov Doctor of Technical Science, professor, department of Mathematics, MGTU im. N. Baumana 
V. Savchenko Doctor of Technical Science, professor, General Director, Radiotekhnicheskiy institute of the name of the academician A. L. Mintsa

519.284.681.51;718.2

For technogenic and dangerous object the indicator an average operating time to critical refusal is defined and its estimates are established. On the basis of comparison of characteristics of reliability of the re­fused and not refused systems during set time the mini­mum quantity of systems necessary for carrying out sampling experiment is defined

Refusal, probability, operating time to criti­cal refusal, dot assessment, lower confidential bound, selection, average resource.