The Application of Fuzzy Mathematics in the Diagnosis of Oil System Malfunction of Jet Engine

Abstract

In this thesis we draw fuzzy mathematic method into the diagnosis of oil system malfunction of jet engine, bring forward setting up the fuzzy membership grade method which is based on the history data and expert preferential ordinal number, found the fuzzy diagnostic model, resolve to one or several malfunction, how nicety fast find cause malfunction really reason, and proffer scientific and feasible new method to the airplane malfuntion diagnosis service.