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Proceedings Paper

ASPEN: a multitransmitter, bidirectional fiber optic data bus designed for use in critical aircraft applications
Author(s): Brian D. Morrison; Michael N. Robillard
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Paper Abstract

Raytheon Aircraft Company has developed an architecture and protocol for implementing aircraft and vehicle control systems, based on fiber optics and fault-tolerant distributed control concepts. The processor and protocol technology base are derived from commercial open-standard, high-volume products which when coupled with proven fault- tolerance techniques provide substantial cost reductions versus competing protocols. Products based upon this architecture are presently being certified for aircraft control applications in General Aviation, and are beginning to find applications in civil transport and military applications. The system uses an open architecture fiber optic based serial data network, known as the Adaptive Standard PredictivE Network. This paper provides a technical introduction to the ASPENTM data bus technology. ASPEN has been developed by Raytheon Aircraft for its aircraft applications, and is available for use by other members of the aircraft industry as a standard. Descriptions of the systems being developed which use ASPEN as a component, as well as the techniques used to achieve critical level development assurance, are outside the scope of this paper.

Paper Details

Date Published: 14 October 1996
PDF: 13 pages
Proc. SPIE 2840, Fly-by-Light III, (14 October 1996); doi: 10.1117/12.254219
Show Author Affiliations
Brian D. Morrison, Raytheon Aircraft Co. (United States)
Michael N. Robillard, Raytheon Aircraft Co. (United States)


Published in SPIE Proceedings Vol. 2840:
Fly-by-Light III
Daniel B. Thompson; Robert J. Baumbick, Editor(s)

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