Browse Publications Technical Papers 2006-21-0065
2006-10-16

New Safety Technologies for the Automotive Industry 2006-21-0065

With the increasing complexity of automotive systems and the related increasing use of software in them, new approaches are needed to ensure safety. In these new types of automotive systems, safety and reliability are different and require different engineering approaches. Accidents are increasingly due to design errors and to dysfunctional interactions among components rather than component failure. In addition, safety must be engineered and built into the design from the beginning; it is not possible to effectively and affordably add safety devices onto a finished design. This paper describes the need for new approaches to automotive safety and describes an alternative to the traditional reliability-based approaches to safety engineering. The new approach is based on systems theory and views accidents in terms of lack of control or enforcement of the behavioral constraints required to ensure safety. Using this foundation, we have created new, more powerful hazard analysis and safety-driven design techniques, risk management systems, and root cause analysis (accident and incident investigation approaches).

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