Design of a Longitudinal Flight Control System for a STOL Transport in the Landing Configuration.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
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The longitudinal dynamics of a medium STOL transport are studied to determine the augmentation necessary to provide an acceptable longitudinal flight control system, and a flight control system is synthesized and evaluated. Wind tunnel data is analyzed and an operating envelope is defined. Longitudinal handling qualities of the unaugmented aircraft are compared to Air Force requirements, and design criteria are formulated. A longitudinal flight control system which utilizes parallel actuation of both elevator and direct-lift control spoilers through movement of the pilots stick is synthesized using root locus techniques. The system is based upon control of the flight path. Author