Fly by wire/fly by light control system with manual override
First Claim
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1. An improved flight control system comprising:
- a yoke for controlling an aircraft control surface,an autopilot computer for generating autopilot command signals to operate control surfaces on an aircraft;
means for sensing the orientation of the yoke in an aircraft cockpit and generating an electronic yoke orientation signal which corresponds to the yoke orientation;
signal line means, coupled with the autopilot computer and sensing means, for transmitting the command signals and the orientation signals;
means for comparing the autopilot command signal and the yoke orientation signal and modifying without regeneration the autopilot command signal depending on a result of the comparing of the autopilot command signal and the yoke orientation signal, andmeans for providing the modified signal to a surface command servo for controlling an aircraft control surface, without using a switch to turn off the autopilot command signals.
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Abstract
An improved fly by wire or fly by light system which provides for a smooth manual override of the autopilot function by allowing the pilot to modify the autopilot command to the control surfaces by physically manipulating the yoke to a position different than that commanded by the autopilot.
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Citations
1 Claim
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1. An improved flight control system comprising:
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a yoke for controlling an aircraft control surface, an autopilot computer for generating autopilot command signals to operate control surfaces on an aircraft; means for sensing the orientation of the yoke in an aircraft cockpit and generating an electronic yoke orientation signal which corresponds to the yoke orientation; signal line means, coupled with the autopilot computer and sensing means, for transmitting the command signals and the orientation signals; means for comparing the autopilot command signal and the yoke orientation signal and modifying without regeneration the autopilot command signal depending on a result of the comparing of the autopilot command signal and the yoke orientation signal, and means for providing the modified signal to a surface command servo for controlling an aircraft control surface, without using a switch to turn off the autopilot command signals.
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Specification
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Current AssigneeRockwell International Corporation
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Original AssigneeRockwell International Corporation
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InventorsPattison, David C., Lyloc, Woon
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Primary Examiner(s)Peters, Jr., Joseph F.
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Assistant Examiner(s)BIDWELL, ANNE
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Application NumberUS07/912,407Time in Patent Office470 DaysField of Search244/196, 244/197, 244/76 R, 244/75 R, 244/175US Class Current244/197CPC Class CodesG05D 1/0061 for transition from automat...
