|The Airbus 340 flight control system|
|SE 8 Web|
The Airbus A340 is a long-haul aircraft that includes a critical fly-by-wire flight control system that mediates pilot commands and controls flight surface actuators. This is a development of the first fly-by-wire system which was introduced in the Airbus A320 aircraft. It is of particular interest because of the approach used for hardware and software redundancy.There is an excellent description of this system in Safety-Critical Computer Systems , Neil Storey. Addison Wesley, 1996.
Use in teachingI use this example to supplement a lecture on fault-tolerent system architectures. It also illustrates how fault-tolerant systems must use multi-level redundancy to be safe.
15: Real-time systems design