With the advent of higher-performance computing and communication systems, aircraft will have the capability to process an unprecedented amount of information pertaining to performance, safety, and efficiency. Flight instruments will be integrated to share information and to cooperate with each other. It is inevitable that a high-speed and versatile network infrastructure will be required in the next generation of aircraft. One commercial off-the-shelf technology, Ethernet, is seen as potentially attractive in avionics systems due to its high bandwidth, low wire count, and low cost. Ethernet has been used in the Boeing 777 to transmit non-flight-critical data and in the Boeing 767ER within a flight-critical display system. There are many safety concerns, however, when Ethernet is applied to flight-critical systems. The inherent nature of the Ethernet protocols can easily result in nondeterministic behavior and interference. These are significant technical hurdles that must be overcome before Ethernet will be a viable candidate as an aviation databus technology.
Safety and Certification Approaches for Ethernet-Based Aviation Databuses
2005
128 pages
Report
No indication
English
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