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Model-Based Safety Engineering of Interdependent Functions in Automotive Vehicles Using EAST-ADL2
Mecel AB.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.ORCID iD: 0000-0001-7048-0108
Volvo Technology AB.
Mentor Graphics Corp..
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2010 (English)In: COMPUTER SAFETY, RELIABILITY, AND SECURITY, Springer, 2010, Vol. 6351Conference paper (Refereed)
Abstract [en]

For systems where functions are distributed but share support forcomputation, communication, environment sensing and actuation, it is essentialto understand how such functions can affect each other. Preliminary HazardAnalysis (PHA) is the task through which safety requirements are established.This is usually a document-based process where each system function isanalyzed alone, making it difficult to reason about the commonalities of relatedfunctional concepts and the distribution of safety mechanisms across a systemof-systems. This paper presents a model-based approach to PHA with theEAST-ADL2 language and in accordance with the ISO/DIS 26262 standard.The language explicitly supports the definition and handling of requirements,functions and technical solutions, and their various relations and constraints as acoherent whole with multiple views. We show in particular the engineeringneeds for a systematic approach to PHA and the related language features forprecise modeling of requirements, user functionalities, system operationcontexts, and the derived safety mechanisms.

Place, publisher, year, edition, pages
Springer, 2010. Vol. 6351
, Lecture Notes in Computer Science, ISSN 0302-9743 ; 6351
Keyword [en]
PHA, ISO/DIS 26262, EAST-ADL2, function definition, functional safety, hazard analysis, dependent functions, model-based design, metamodeling
National Category
Embedded Systems Engineering and Technology Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-80091DOI: 10.1007/978-3-642-15651-9_25ISI: 000289187100025ScopusID: 2-s2.0-77956579716ISBN: 978-3-642-15650-2OAI: diva2:495984
29th International Conference on Computer Safety, Reliability and Security. Vienna, AUSTRIA. SEP 14-17, 2010
EU, FP7, Seventh Framework Programme, 224442

QC 20120210

Available from: 2012-02-09 Created: 2012-02-09 Last updated: 2016-08-16Bibliographically approved

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