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VROOM & cC: a Method to Build Safety Cases for ISO 26262-compliant Product Lines

Fulltext:


Authors:

Barbara Gallina, Antonio Gallucci, Kristina Lundqvist, Mattias Nyberg

Research groups:

Dependable Software Engineering
Safety-Critical Engineering

Publication Type:

Conference/Workshop Paper

Venue:

Next Generation of System Assurance Approaches for Safety-Critical Systems

Publisher:

HAL / CNRS report

Abstract

ISO 26262 is a functional safety standard that targets the automotive domain. This standard focuses on single system certifica- tion1 and does not contain guidelines to certify product lines. Thus, to be ISO 26262-compliant, for each product of a product line, a company must provide almost from scratch all the work products required by the standard, including a safety case. Current product lines engineer- ing methods represent an effective solution to systematize reuse. These methods, however, are not aligned with safety standards and thus they lose their strength when adopted to engineer safety-critical product lines. To enable and accelerate systematic reuse, we introduce VROOM & cC, a new method that by integrating traceable management of commonali- ties and variabilities at each step of the first two phases of the ISO 26262 safety life-cycle as well as at each stage of the safety case life-cycle permits safety managers to argue about functional safety of product line mem- bers by reusing argumentation fragments. To illustrate our approach, we consider a small-sized safety-critical product line.

Bibtex

@inproceedings{Gallina2960,
author = {Barbara Gallina and Antonio Gallucci and Kristina Lundqvist and Mattias Nyberg},
title = {VROOM {\&} cC: a Method to Build Safety Cases for ISO 26262-compliant Product Lines},
month = {September},
year = {2013},
booktitle = {SAFECOMP Workshop on Next Generation of System Assurance Approaches for Safety-Critical Systems (SASSUR)},
publisher = {HAL / CNRS report},
url = {http://www.es.mdu.se/publications/2960-}
}