The purpose of this paper is to describe an investigation of separate surface stability augmentation systems for general aviation aircraft. The program objectives were twofold: First a wind tunnel program to determine control effectiveness of separate surfaces in the presence of main surfaces, and hinge moment feedback from separate surfaces via the main surfaces to the pilot; second, a theoretical study to determine the minimum performance of actuators and sensors that can be tolerated, the best slaving gains to be used with separate surfaces, and control authority needed for proper operation under direct pilot control, under autopilot control, and in failure situations. On the basis of the results obtained, it has been concluded that separate surface systems are feasible and advantageous for use in general aviation aircraft.
Separate Surfaces for Automatic Flight Controls
Sae Technical Papers
National Business Aircraft Meeting and Engineering Display ; 1973
1973-02-01
Conference paper
English
Separate surfaces for automatic flight controls.
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