The Effects of the Direction of Control Loading on a One-Dimensional Tracking Task.
Abstract
Modern fighter aircraft flight controls are activated by the pilot through a joystick. Because of heavy loads on the control surfaces, the flight controls are finally actuated by powerful hydraulic actuators. Artificial feel systems of varying complexity are utilized to give some feedback to the pilot to aid in control. Regardless of the system, virtually all are equipped with thumb-actuated pitch and roll trim. This feature allows the pilot to quickly and easily change the fore and aft or lateral stick force required to control the pitch and roll of the aircraft. During precise tracking tasks such as flying close formation maneuvers, or tracking an air or ground target in an aiming device, many pilots desire to trim the stick forward. A smaller proportion constantly strive for zero pressure in a precise tracking situation. Virtually none trim aft stick pressure in this environment. This study is strictly concerned with uni-directional control loading. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1980
- Accession Number
- ADA092459
Entities
People
- James Michael Carlin
Organizations
- Air Force Institute of Technology