A Systematic Elaboration of Safety Requirements in the Avionic Domain

Kondeva, Antoaneta; Waßmuth, Martin; Mitschke, Andreas

doi:10.1007/978-3-642-33675-1_37

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2013

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“…Therefore, in this paper, we elaborate on hands-on methods to refine, decompose and validate safety requirements. The lack of a systematic method to refine system safety requirements is also recognized by EADS Germany in [3] where an approach that explicitly speci fies the transition from abstract system requirements to concrete item requirements is presented. This transition is based on domain knowledge and properties, while our method is based on safety assessment methods targeting fault tolerance concepts and properties.…”

Section: Introductionmentioning

confidence: 98%

Elaboration of safety requirements

Forsberg¹,

Isaksson²,

Gallina

et al. 2013

2013 IEEE/AIAA 32nd Digital Avionics Systems Conference (DASC)

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According to the aircraft standard ARP4754A, requirements should be carefully traced and validated. A systematic methodology for safety requirements elaboration (refinement/decomposition as well as allocation management) is lacking. To overcome this lack, an ARP-aligned and DOORS implementable approach called RAP (Requirements Allocation Process) is proposed. RAP offers a textual as well as graphical means for managing safety requirements. Besides supporting requirements decomposition and allocation, RAP also supports design decisions. The usefulness of RAP is illustrated by an example, applying the approach to a High Lift System.

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Section: Introductionmentioning

confidence: 98%