In June of this year, the ARINC 629 digital communication system began supporting revenue service as the primary means of digital communication on the 777, Boeing's first fly-by-wire aircraft. This achievement comes as a result of almost two decades of development effort at Boeing and its suppliers. Increasing demands for information exchange between aircraft systems necessitated development of high-speed, high-reliability communication data buses. Development costs for such systems are extensive, and reuse in future airplane designs is highly desirable. ARINC 629, a working example of such a data bus development program, has the capability to support applications beyond the 777 with extensive benefits to be gained in development, integration and certification costs. This paper begins with a brief working description of the ARINC 629 digital communication system, touching on both current mode and fiber-optic implementations. It further describes the architecture utilized on the 777 and the validation effort required to support certification of a new data bus and new airplane systems architecture. Performance experience during the 777 flight test program and a brief in-service history are discussed and, finally, efforts in several fiber-optic in-service evaluation programs are presented.
ARINC 629 digital communication system-application on the 777 and beyond
Das Digitalkommunikationssystem ARINC 629 - Einsatz bei der Boeing 777 und in zukünftigen Flugzeugen
Microprocessors and Microsystems ; 20 , 8 ; 463-471
1997
9 Seiten, 5 Quellen
Aufsatz (Zeitschrift)
Englisch
`ARINC 629 digital communication system - application on the 777 and beyond'
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