Time-limited dispatch (TLD) allows the degraded redundancy dispatch of aircraft. The aero-engine fitted with full authority digital electronic control (FADEC) system with known faults can be dispatched with a deferred...
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ISBN:
(纸本)9781467355339
Time-limited dispatch (TLD) allows the degraded redundancy dispatch of aircraft. The aero-engine fitted with full authority digital electronic control (FADEC) system with known faults can be dispatched with a deferred fault by applying TLD, and the time of deferred fault should be determined. Under fleet average loss of thrust control (LOTC) rate being achieved, faults are classified by rate of instantaneous LOTC caused by single faults of FADEC system internal redundant components, and components with single faults which leave the FADEC system in an acceptable dispatch configuration are *** the reduced-state openloopmarkov calculation model and computing the rate of LOTC in assumed time of deferred fault by MATLAB software. Determining the longest time of limited dispatch without exceedence of LOTC rate meeting the necessary airworthiness *** results indicate that the method is an effective approach for type certification and developing master minimum equipment list (MMEL)and maintenance review board report(MRBR) of aircraft.
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