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- Title
Taking a Fully Integrated Approach to Implementing Functional Safety According to ISO 26262 Successfully.
- Authors
TICHKIEWITCH, SERGE; RIEL, ANDREAS; MESSNARZ, RICHARD; KREINER, CHRISTIAN
- Abstract
More and more subsystems in road vehicles have become safety critical, mainly through the increasing involvement and complexity of electrics, electronics, and software systems controlling essential operating and driving functionalities. Since its official release in November 2011, the ISO 26262 standard "Road vehicles - Functional safety" has been guiding the development, production, and assessment of such safety-critical systems. This standard, however, covers electrics/ electronics/programmable electronics only, practically leaving out design and manufacturing issues that are linked to the mechanical parts of systems. In this article the authors want to show the essential importance of an integrated view on software, hardware, and mechanics for assuring the safety-criticality specifications concerning the whole system using the example of an electronic steering column locking (ESCL) device, which is rated ASIL-D, that is, the highest possible safety integrity level according to ISO 26262. Using this case study, the authors will point out the necessity of an integrated design approach to safety systems development, which goes far beyond the ISO 26262 requirements. This approach is applicable to any industry sector, but in particular to those where interdisciplinary design challenges must be solved.
- Publication
Software Quality Professional, 2015, Vol 17, Issue 3, p16
- ISSN
1522-0540
- Publication type
Academic Journal