Summary of Fault Arc Detection Technology for Aircraft Line System
Fault arc is easy to cause aircraft electrical fire accidents,which is difficult to reproduce and detect on the ground.The maintenance of electrical circuit system needs a lot of manpower and material resources.Aiming at the problem that the fault arc is difficult to detect,the fault arc detection technology of aircraft is summarized.The fault arc detection methods are summarized in-to mathematical model,physical characteristics and electrical methods.The electrical methods are divided into time domain meth-od,frequency domain method and time-frequency domain method.The advantages and disadvantages of each method are analyzed,and the future research direction of fault arc detection technology is prospected.
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