Transcription of Introduction to Functional Safety
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Elektrobit(EB) 2018 Introduction to Functional SafetyHurley Davis Director of Engineering, , ElektrobitNovember 8, 2018 Elektrobit(EB) 2018 Elektrobit(EB) 2018 Introduction to Functional SafetyWhat is Functional Safety ?ISO 26262 Definitions Elektrobit(EB) 2018 Absence of unreasonable risk Combination of Probability and SeverityFunctional SafetyAbsence of unreasonable risk due to hazards caused by malfunctioning behavior of E/E systemsSystem of electrical and electronic components including softwareSafetyRiskE/E System Elektrobit(EB) 2018 Introduction to Functional Safety Elektrobit(EB) 2018 ISO 26262 Functional Safety StandardIntroduced in 2011 Second addition expected late 2018 AutomotivesafetylifecycleAutomotive risk-based approach Requirements for validation and confirmation measures Elektrobit(EB) 2018 Introduction to Functional SafetyFunctional Safety Concept2)
(of potential harm) E3 - Medium probability Exposure (of situation) C3 - Difficult to control or uncontrollable Controllability (of hazardous event) C ASIL Determination EXAMPLE: Function definition Hazard identification Situation analysis Hazardous event identification Hazard classification Derivation of safety goals Path Planning
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