The suitability of an aircraft with respect to human control is determined by its handling qualities. In modern transport aircraft the handling qualities are determined to a high degree by the flight control system. An introduction to the following aspects of closed loop flight control systems for modern transport aircraft is given: stabilization and maneuvering functions, candidate implementation forms, manipulators for flight control, and mathematical representations of the airframe/flight control system combination required for prediction and evaluation purposes. Regarding criteria for good handling qualities of transport aircraft, the terminal flight phase (takeoff, initial climb, final approach and landing) are of prime interest. A treatise on a number of promising quantitative criteria for transport aircraft equipped with advanced flight control systems is given. Two groups of criteria are distinguished: criteria based on the dynamic characteristics of the aircraft alone and criteria based on the dynamic characteristics of the pilot/aircraft closed loop system. In the latter case, a quasi-linear describing function for the human controller behavior is used.
Low-Speed Longitudinal Flying Qualities of Modern Transport Aircraft
1988
16 pages
Report
Keine Angabe
Englisch
Aircraft , Avionics , Air Transportation , Flight control , Longitudinal control , Low speed stability , Manipulators , Pilot performance , Transport aircraft , Aircraft control , Aircraft stability , Controllability , Feedback control , Human factors engineering , Man machine systems , Foreign technology
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