Experimental Display Referenced Flight Control System with Pilot Control Force Steering.
Final technical rept.,
BENDIX CORP TETERBORO N J FLIGHT SYSTEMS LAB
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The report describes an experimental flight control system that incorporates commands from the standard cockpit displays, aircraft control from a basic displacement type attitude referenced autopilot, and pilot supervision of control performance and command insertion via a cruiseapproach mode force wheel steering system. For the purpose of flight research, a standard FD109 Flight Director was coupled to a commercial PB-20D Flight Control System via a program developed coupling box that provides the displacement, integration, signal switching, force wheel steering summation, and logic circuitry for interfacing the production autopilot and flight director systems. The system has been used, as illustrated with flight recordings in the text, for automatic landings and go-around, as well as on GCA type approaches through pilot control inputs in response to ground controller directions. Author