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A Process to Support Safety Analysis for a System-of-Systems

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Publication Type:

Conference/Workshop Paper

Venue:

31st International Symposium on Software Reliability Engineering


Abstract

Autonomous vehicles grow importance in many domains and depending on the domain and user needs, autonomous vehicles can be designed as stand-alone solutions as in the automotive domain or as part of a fleet with a specific purpose as in the earth moving machinery domain. Contemporary hazard analysis methods primarily focus on analyzing hazards for single systems. Such an analysis requires knowledge about typical usage of a product, and it is evaluated among others if an operator is able to handle a critical situation. Each hazard analysis method requires specific information as input in order to conduct the method. However, for system-of-systems it is not yet clear how to analyze hazards and provide the required information. In this paper we describe a use case from the earth moving machinery domain where autonomous machines collaborate as a system-of-systems to achieve the mission. We propose a hierarchical process to document a system-of-systems and propose the use of model-based development methods. In this work we discuss how to utilize the provided details in a hazard analysis. Our approach helps to design a complex system-of-systems and supports hazard analysis in a more effective and efficient manner.

Bibtex

@inproceedings{Baumgart5950,
author = {Stephan Baumgart and Joakim Fr{\"o}berg and Sasikumar Punnekkat},
title = {A Process to Support Safety Analysis for a System-of-Systems},
month = {October},
year = {2020},
booktitle = {31st International Symposium on Software Reliability Engineering},
url = {http://www.es.mdh.se/publications/5950-}
}