Research on aeroengine health assessment and life prediction under changing working conditions

Abstract

The working environment of aeroengine is harsh and complex. At present, the research on fault diagnosis and health assessment of aeroengine is mostly focused on single component and subsystem, and few researches on the whole machine. The research on the whole engine also assumes that the engine works under the same condition, and less research is done under the condition of variable and multi working conditions. This paper studies the health assessment and life prediction of aeroengine under variable working conditions, which can provide ideas for the engineering practice of early fault prediction, fault detection, health assessment and life prediction of aeroengine system.