Working out of the search algorithm of failures of Air Conditioning System of TU-154
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of failures searching is formed. During this there are considered certain functional system of the aircraft, structure of its aggregates and principle of their work, and also parameters, which characterize system workability and signs of failures and defects appearance. Aggregates, which are included to the system, in the process of operation fail.
Failures happen for different reasons, among which the most wide-spread are wear and failure of the aggregate’s elements, shrink of the springs, loose of pressurization, jamming of slide valves, filter clogging etc. Certain type of the aggregate failure is considered as its diagnose Di, which is followed by certain signs (parameters) Xi, which become evident in operation and are fixed during use of the system by the assignment or during making of maintenance. Functions of the failures are made for hydraulic system of retraction-extension of landing gear of the aircraft, table 1.Скачать