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Distributed flight control system

  • US 8,600,583 B2
  • Filed: 02/04/2009
  • Issued: 12/03/2013
  • Est. Priority Date: 02/08/2008
  • Status: Active Grant
First Claim
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1. A flight control system for an aircraft for controlling a plurality of actuators configured to actuate corresponding control surfaces of the aircraft, the system comprising:

  • at least one communications bus;

    at least one computer situated in an avionics bay of the aircraft, and configured to calculate flight commands and to transmit the calculated flight commands over said bus in the form of command messages;

    at least a first remote terminal connected to said bus, configured to control a control surface actuator, to acquire a state of said control surface actuator from information provided by at least a first sensor coupled to the control surface actuator, to receive the command messages from the computer, to transmit electrical orders to said control surface actuator as a function of the received command messages, and to transmit messages to the computer, responsive to a first request of the computer, relating to the state of said control surface actuator as a function of the information provided by said first sensor; and

    at least one second remote terminal connected to said bus, configured to acquire a state of a control surface from information provided by a second sensor coupled to the control surface, and to transmit messages to the computer, responsive to a second request of the computer, relating to the state of said control surface as a function of information provided by said second sensor,wherein each said at least one computer includes a first channel and a second channel, said second channel being configured to monitor operation of said first channel.

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