ASPEN: a multitransmitter, bidirectional fiber optic data bus designed for use in critical aircraft applications

Brian D. Morrison; Michael N. Robillard

doi:10.1117/12.254219

14 October 1996 ASPEN: a multitransmitter, bidirectional fiber optic data bus designed for use in critical aircraft applications

Brian D. Morrison, Michael N. Robillard

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Proceedings Volume 2840, Fly-by-Light III; (1996) https://doi.org/10.1117/12.254219
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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 ASPEN^TM 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.

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Brian D. Morrison and Michael N. Robillard "ASPEN: a multitransmitter, bidirectional fiber optic data bus designed for use in critical aircraft applications", Proc. SPIE 2840, Fly-by-Light III, (14 October 1996); https://doi.org/10.1117/12.254219

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KEYWORDS

Control systems

Fiber optics

Transceivers

Standards development

Error control coding

Data communications

Process control

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