Full authority fly-by-wire pedal system
First Claim
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1. A rotary-wing aircraft comprising:
- an anti-torque tail rotor system;
a Fly-By-Wire flight control system in communication with said anti-torque tail rotor system; and
a pedal system in communication with said Fly-By-Wire flight control system to control said anti-torque tail rotor system, said pedal system including a double gradient linkage assembly to provide a double gradient force feedback pedal dynamic.
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Abstract
A pedal system particularly tailored to a Fly-By-Wire (FBW) flight control system includes a double gradient linkage assembly. The double gradient linkage assembly includes a damper system and a spring system that improves yaw axis (azimuth) control of the aircraft. Control is only required when a change in the yaw axis state is demanded. Since only minimal displacement inputs to such a FBW flight control system is required, the travel of the pedals are exceeding compact, such that pilot workload is significantly reduced through the reduction in the frequency and magnitude of aircraft control inputs.
40 Citations
14 Claims
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1. A rotary-wing aircraft comprising:
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an anti-torque tail rotor system; a Fly-By-Wire flight control system in communication with said anti-torque tail rotor system; and a pedal system in communication with said Fly-By-Wire flight control system to control said anti-torque tail rotor system, said pedal system including a double gradient linkage assembly to provide a double gradient force feedback pedal dynamic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification