01348nas a2200229   4500000000100000000000100001000000100002008004100003260000900044653001300053653001400066653002000080653002600100653003200126653001400158653001500172100002700187245006400214300001200278490000700290520082100297       2012                            d  c201210aaccident10aautomaton10abinary relation10acause-effect relation10aComplex man-machine systems10acon¬trol10adiagnostic1 aVladimir Tverdokhlebov00aIdentifying the Reasons for Failures in Large-Scale Systems  a236-2470 v283 a<p>The functioning of complex man-machine systems (CMMS) (for example, aviation-transport systems (ATS), networks of railways, atomic power stations, oil pipelines, etc.) is formed by interrelations and interactions of various processes: command-information process; process of actions of executors (operators, crew, dispatchers, etc.); process of functioning of equipment; power supply process; process of maintenance by raw materials, accessories, cargo, passengers, etc.; process of interaction with the environment, etc. Traditional substantive provisions, models and methods of technical diagnosing of small objects are not effective for complex (large-scale) man-machine systems. This paper contributes to the studies of new models and methods for identification of the reasons of failures in such systems.</p>