Description of Actuation Systems for Aircraft With Fly-By-Wire Flight Control Systems
This SAE Aerospace Information Report (AIR) provides design information of various contemporary aircraft fly by wire (FBW) flight control actuation systems that may be useful in the design of future systems for similar applications. It is primarily applicable to manned aircraft. It presents the basic characteristics, hardware descriptions, redundancy concepts, functional schematics, and discussions of the servo controls, failure monitoring, and fault tolerance. All existing FBW actuation systems are not described herein; however, those most representing the latest designs are included. While this AIR is intended as a reference source of information for aircraft actuation system designs, the exclusion or omission of any other appropriate actuation system or subsystem should not limit consideration of their use on future aircraft.
Rationale: The purpose of revision B of this document is to expand its scope to add descriptions of the flight control actuation systems for additional aircraft developed recently. Those new aircraft are the A380, Eurofighter, BA609 Tiltrotor and A400M.
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Flight control systemsFly-by-wire control systemsElectronic control systemsSensors and actuators
Also known as: SAE AIR 4253
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