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SysML Fault Modelling in a Traffic Management System of Systems

Lookup NU author(s): Dr Claire Ingram, Dr Zoe Andrews, Dr Richard Payne

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IEEE, 2014.

For re-use rights please refer to the publisher's terms and conditions.

Abstract

Systems of systems (SoSs) are vulnerable to faults, for example arising as a result of the distribution and inde- pendence of their constituent systems. Our previous work has presented an initial framework for reasoning about faults and fault-tolerant design within an SoS at the architectural level, using a simple example of a single failure. In this paper we present a motivating example of an SoS within which failures of constituent systems (CSs) may lead to a degraded or partial service for the SoS. We discuss a possible extension to our earlier framework to allow an architectural engineer to reason about the fault tolerance of an SoS where CSs contribute negatively or positively towards a goal or an SoS-level failure, and where multiple SoS faults may interact to affect SoS service quality.

Publication metadata

Author(s): Ingram C, Andrews Z, Payne R, Plat N

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE 9th International Systems of Systems Engineering Conference (SoSE 2014)

Year of Conference: 2014

Pages: 124-129

Date deposited: 02/07/2014

Publisher: IEEE

URL: http://dx.doi.org/10.1109/SYSOSE.2014.6892475

DOI: 10.1109/SYSOSE.2014.6892475

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