Multi-Axis Serially Redundant, Single Channel, Multi-Path FBW Flight Control System

Paper #:
  • 2013-01-2257

Published:
  • 2013-09-17
DOI:
  • 10.4271/2013-01-2257
Citation:
Lin, S., Smith, T., and De Serres, P., "Multi-Axis Serially Redundant, Single Channel, Multi-Path FBW Flight Control System," SAE Int. J. Aerosp. 6(2):661-667, 2013, doi:10.4271/2013-01-2257.
Pages:
7
Abstract:
A multi-axis serially redundant, single channel, multi-path FBW (FBW) control system comprising: serially redundant flight control computers in a single channel where only one “primary” flight control computer is active and controlling at any given time; a matrix of parallel flight control surface controllers including stabilizer motor control units (SMCU) and actuator electronics control modules (AECM) define multiple control paths within the single channel, each implemented with dissimilar hardware and which each control the movement of a distributed set of flight control surfaces on the aircraft in response to flight control surface commands from the primary flight control computer, and a set of (pilot and co-pilot) controls and aircraft surface/reference/navigation sensors and systems which provide input to a primary flight control computer and are used to generate the flight control surface commands in accordance with the control law algorithms implemented in the flight control computers.
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