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Dependability of Digital Computers on Board Airplanes

1991; Springer Vienna; Linguagem: Inglês

10.1007/978-3-7091-9123-1_6

0932-5581

Pascal Traverse,

Aerospace Engineering and Applications

This paper deals with digital computers on board airplanes. Only the systems unde Aerospatiale's responsibility are dealt with. The airplanes involved are the Airbus and the ATR By studying the evolution of these aircraft families, it can be seen that digital computing systems are becoming increasingly numerous and used in increasingly critical functions Aerospatiale has therefore had to adapt its design and certification methods to suit. A lesson to be drawn from this experience is that a problem cannot be solved unless a global approach is used covering all issues.This paper first deals with the key elements of our approach: the control and monitoring computers and our system design process. As this approach is extensibely used, several practical examples are explained. The safety related research topics are briefly described.