Survey on Aircraft Engine Health Management

First,on the basis of a summary of relevant literatures,the history of aircraft engine health management(EHM) is reviewed,and benefits of implementing EHM are indicated.Then the research contents of EHM,EHM system’s functions and architecture,which consist of information and physical hierarchy,are discussed in detail.Some key technologies in the process of developing EHM are present-ed.At last,a few suggestions for the implementing of EHM in China are brought up.