This paper discusses the critical issues relating to fault tolerance in distributed digital flight control systems for commercial transport aircraft and presents a distributed, air transport digital flight control system design. The key features of the design are assessed in the context of overall mission safety and fault tolerant operation. Techniques used in the design to achieve ultra-high reliabilities to random hardware failures and methods to protect against generic software and hardware faults are presented. The flight control system is based upon the Bendix Multicomputer Architecture for Fault Tolerance (MAFT) Primary Flight Computer design and semi-autonomous 'smart' Actuator Control Electronics (ACE) units.
Fault-tolerance in distributed digital fly-by-wire flight control systems
Fehlertoleranz in verteilten digitalen Flugsystemen mit Leitweglenkung
1986
8 Seiten, 15 Quellen
Conference paper
English
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