Browse Publications Technical Papers 2017-32-0083

Detailed Study of Hazard Analysis and Risk Assessment of ISO 26262 for Motorcycles 2017-32-0083

ISO 26262, an international functional safety standard of electrical and/or electronic systems (E/E systems) for motor vehicles, was published in November 2011 and it is expected that the scope will be extended to motorcycles in a second edition of ISO 26262 going to be published in 2018. ISO/DIS 26262 second edition published in 2016 has Part 12 as a new part in order to apply ISO 26262 to motorcycle. Proper estimation of Exposure, Controllability, and Severity in accordance with ISO/DIS 26262 Part 12, are key factors to determine Motorcycle Safety Integrity Level. To estimate precise these factors, there would be a case that it might not be appropriate to apply studies done for passenger car to motorcycle, and it would be necessary to apply motorcycle specific knowledge and estimation methods. In our previous studies we clarified these motorcycle specific issues and studied the method for the adaptation. In this study we executed Hazard Analysis and Risk Assessment and estimated Exposure, Controllability and Severity based on the knowledge and methodology we have accumulated. The motivation of our work are to show precise Exposure, Controllability and Severity estimation with concrete rationales, and contribute to motorcycle industry's functional safety application.


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