Computing platform architectures for robust operation in thepresence of lightning and other electromagnetic threats
Hess, R.
Digital Avionics Systems Conference, 1997. 16th DASC., AIAA/IEEE
Volume 1, Issue , 26-30 Oct 1997 Page(s):4.3 - 9-16 vol.1
Digital Object Identifier 10.1109/DASC.1997.635073
Summary:The electromagnetic environment (EME) produces (is a form of)
electrical energy of the same type that is used by electrical/electronic
equipment to process and transfer information. As such, this environment
represents a fundamental threat to the proper operation of systems that
depend on such equipment. For electrical/electronic systems providing
functions that can affect the safe flight and landing of an aircraft
(level A systems), the EME threat translates to a threat to the airplane
itself. When protection against EME effects is being developed,
architectural techniques should be applied, particularly to achieve the
high margin of safety needed for level A electrical/electronic systems.
The computing platform for the aircraft Information Management System
(AIMS) used on the Boeing 777 aircraft and Versatile Integrated Avionics
(VIA) technology is an example of the application of an architectural
philosophy in the design of the digital engine for such aircraft
systems. Another is a prototype computing platform for rapid recovery
from “soft faults” (upset, momentary interference, etc.)
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