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ATRIUM - Architecting Under Uncertainty for ISO 26262 compliance
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.ORCID iD: 0000-0002-4300-885X
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2017 (English)In: 2017 11TH ANNUAL IEEE INTERNATIONAL SYSTEMS CONFERENCE (SYSCON), IEEE , 2017, 786-793 p.Conference paper, Published paper (Refereed)
Abstract [en]

The ISO 26262 is currently the dominant functional safety standard for electrical and electronic systems in the automotive industry. The Functional Safety Concept sub-phase in the standard requires the Preliminary Architectural Assumptions (PAA) for allocation of functional safety requirements. This paper justifies the need for, and defines a process ATRIUM, for consistent design of the PAA. ATRIUM is subsequently applied in an industrial case study for a function enabling highly automated driving at one of the largest heavy vehicle manufacturers in Europe, Scania CV AB. The findings from this study, which contributed to ATRIUM's institutionalization at Scania, are presented. The benefits of ATRIUM include (i) a fast and flexible way to refine the PAA, and a framework to (ii) incorporate information from legacy systems into safety design and (iii) rigorously track and document the assumptions and rationale behind architectural decisions under uncertain information. The contributions of this paper are (i) the analysis of the problem (ii) the process ATRIUM and (iii) findings and the discussion from the case study at Scania.

Place, publisher, year, edition, pages
IEEE , 2017. 786-793 p.
Series
Annual IEEE Systems Conference, ISSN 1944-7620
Keyword [en]
ISO 26262, functional safety, HCV, HGV, architectures, automated driving, ATRIUM, decision making, architecting, uncertainty management, risk management
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-210967DOI: 10.1109/SYSCON.2017.7934819ISI: 000403403400111Scopus ID: 2-s2.0-85021446492ISBN: 978-1-5090-4623-2 (print)OAI: oai:DiVA.org:kth-210967DiVA: diva2:1121684
Conference
11th Annual IEEE International Systems Conference (SysCon), APR 24-27, 2017, Montreal, CANADA
Note

QC 20170712

Available from: 2017-07-12 Created: 2017-07-12 Last updated: 2017-07-12Bibliographically approved

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Mohan, NaveenTörngren, MartinBehere, Sagar

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