Brose’s “product line approach” of ISO 26262

Brose’s “product line approach” of ISO 26262In the opinion of Dr. Pierre Metz, Organisational Safety Manager at BroseFahrzeugteile, the greatest challenge is in the practical interpretation ofISO 26262. The collaboration of OEMs and Tier1 requires the understandingthat functional safety needs a “systemic view” of the product.IQPC: Since when has your company been involved with the ISO 26262implementation? What does it mean for your constant and ongoing ISO26262 implementation process? Dr. Pierre Metz: Brose Fahrzeugteile has started using IEC 61508 in 2007 and adopted ISO 26262 in 2010. For us, ISO 26262 is another source of process, method, and product requirements that we incorporate in our standard process definitions for mechatronical systems, and in our internal in standard requirements specifications. We highly emphasize a pragmatic and down-to-earth interpretation of the content. We also embrace the exchanging of ideas and experiences with the community, e.g. by participating in boards and conferences.IQPC: What major challenges is the industry facing at the moment in theISO 26262 implementation and what does it mean for your company?P.M.: From our perspective the greatest challenge is in the practical interpretationof ISO 26262. This standard is new to the automotive industry, so is the entiretopic of functional safety (even though that IEC 61508 was the applicable standardbefore). This means that the experience with ISO 26262 is still rather low. -1-------------------------------------------------------------------------------------------------------------------- ------------- IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de Visit IQPC for a portfolio of topic-related events, congresses, seminars and conferences: www.iqpc.de

IQPC: With regard to the ISO 26262 implementation, processtransparency, improved analysis techniques, clear responsibilities andassessments as well as audits are often named as the key challenges. Howdo you contribute to overcome these challenges?P.M.: We overcome those challenges by employing a „product line approach‟,mature processes, and by independent process adherence monitoring. Seeconference paper.IQPC: If OEMs and Tier1 work closer together to support a quick ISO26262 implementation, how can they improve their collaboration?P.M.: …by making themselves aware that functional safety requires a “systemicview” on the product meaning that OEM and Tierx need to develop requirements,safety concepts, system and component design jointly to a considerable extent, i.e.it is no longer possible to “just define interface agreements and then working ontheir own”.IQPC: Do you have specific ideas to reduce the cost of ISO 26262implementation?P.M.: According to our experience, a meaningful approach to limiting the costs ofintroducing any new standard that contains product-oriented and process-orientedrequirements is to actually embed those into the given processes but not toestablish “just another process topic” in isolation. Also, we are striving for truly re-useable strategies such as documented standard requirements and standard safetyarchitectures with established traceability links in between. Still, a large degree ofautomated workflow steps, i.e. model-based code generation and automatedtesting, as well as investing in the team‟s qualification & training should pay back. Want to know more about the implementation of ISO26262? Check out our Download Centre, where you will find more articles, white papers and interviews regarding this topic: -2- http://bit.ly/iso-26262------------------------------------------------------------------------------------------------------------------- ------------- IQPC GmbH | Friedrichstr. 94 | D-10117 Berlin, Germany t: +49 (0) 30 2091 3330 | f: +49 (0) 30 2091 3263 | e: eq@iqpc.de | w: www.iqpc.de Visit IQPC for a portfolio of topic-related events, congresses, seminars and conferences: www.iqpc.de

Brose’s “product line approach” of ISO 26262

by Torben Haagh

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