Reliability of Aircraft High Lift Devices
The installation of high power computer hardware on the present generation of civil airliners has enabled the introduction of sophisticated airbome diagnostic systems to assist in the maintenance of critical aircraft control systems.
The paper describes the current research work underway at British Aerospace Commercial Aircraft (Filton) in developing a real time condition monitoring system for the complex mechanisms used to actuate aircraft “high lift” moving surfaces. In parallel with efforts to design out some of the in-service problems, the paper reviews the need for and perceived benefits of a condition monitoring system. The described monitoring system is intended not only to warn of the approaching failure of these devices but also identify the cause and thus facilitate convenient and rapid correction.
KeywordsHigh Lift Condition Monitoring System Torque Limiter Torque Shaft Trail Edge Flap
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