An Approach of Developing System Redundancy Management Requirements

Paper #:
  • 2013-01-2258

Published:
  • 2013-09-17
DOI:
  • 10.4271/2013-01-2258
Citation:
Lin, S., Liesk, T., and Lahey, S., "An Approach of Developing System Redundancy Management Requirements," SAE Technical Paper 2013-01-2258, 2013, doi:10.4271/2013-01-2258.
Pages:
8
Abstract:
This paper presents a generic Redundancy Management (RM) requirements definition process that is applicable to a complex system RM requirements development. In the aerospace industry, the ‘Aerospace Recommended Practices’ (ARP) 4754 and 4761 are typically used processes to ensure given safety and availability goals for complex systems. The process proposed in this paper is based on these standard guidelines and enhances them to provide a standardized process for the development of RM requirements with interactions between the system requirements development and the preliminary system safety assessment processes. The output of this process will help to achieve the following objectives: The system RM/failure monitoring requirements are defined commensurate with the system safety and availability requirements; the system is fault-tolerant to the degree necessary to meet the system safety and availability requirements; the system is robust and the system architecture is optimized.
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