Functional Safety (ISO26262) And SOTIF (ISO/PAS21448)

Transcription

Functional Safety (ISO26262) and SOTIF (ISO/PAS21448)WebinarDr. Arnulf Braatz, March 18th 2020V1.10 2020-03-18

Welcome and IntroductionVector Group DevelopmentVector provides tools for developing,testing, calibration and diagnosticsas well as software components anddevelopment services.USAFranceDetroitParisGermanyStuttgart, Brunswick, Hamburg, Karlsruhe, Munich, RegensburgGreat BritainSwedenBirminghamGothenburgNetworkingVector provides components andengineering services for thenetworking of electronic systems.JapanTokyo, NagoyaItalyOptimizationVector provides a comprehensiveconsulting portfolio as well assuitable tools o Paulo3/29India 2020. Vector Consulting Services GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V1.10 2020-03-18ChinaShanghai

Welcome and IntroductionVector Client Survey 2020: Risk of vicious circleLong-term challenges70%60%Quality50%Innovative productsFlexibility30%Vicious circle: cost pressure lack of competences less innovation and quality Complexity Distributeddevelopment20%10%Competencesand knowledgeDigital transformation40%Cost term ChallengesVector Client Survey 2020.Details: www.vector.com/trends.Horizontal axis shows short-term challenges;vertical axis shows mid-term challenges.Sum 300% due to 5 answers per question. Strongvalidity with 4% response rate of 2000 recipients fromdifferent industries worldwide.Vector provides tailored consulting solutions to keep OEM and suppliers competitive:Efficiency – Quality – Competences4/29 2020. Vector Consulting Services GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V1.10 2020-03-18

AgendaWelcome and Introduction Challenges and ConceptsVector Safety ExperiencesConclusions and Outlook5/29 2020. Vector Consulting Services GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V1.10 2020-03-18

Challenges and ConceptsMany functions are safety relatedElectrical Power SteeringUnintended steering andloss of steering assistCollision AvoidanceAcceleration instead ofdeceleration in trafficElectronic Park BrakeUnintended activationin motionAirbagUnintended deploymentduring normal operationMal-functions caused by failures of E/E systems6/29 2020. Vector Consulting Services GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V1.10 2020-03-18

Challenges and ConceptsFunctional Safety – Wide ImpactIdeaSystemTestSystemReq. AnalysisSystemIntegrationSystemDesignComponentReq. AnalysisOEMSupplierManagement ActivityComponentDesignEngineering ActivityAffected by ISO nagementWide impact on entire life-cycle Risk of gaps and inconsistencies7/29 2020. Vector Consulting Services GmbH. All rights reserved. Any distribution or copying is subject to prior written approval by Vector. V1.10 2020-03-18

Challenges and ConceptsEffectFunctional Safety – Many MethodsHazardInability to performthe required functionas specifiedFailureFailureFailure4Incorrect state thatmay lead to a failureCause of the error,e.g. code mistakeErrorX1FaultX2Error3XErrorXFaultFaultSystem layer1 Fault prevention Guidelines Processes2 Fault detection Code analysis Review, Test3 Fault tolerance Redundant design Memory protection4 Robustness Redundant shut-off Fail-operationalMany methods and techniques Risk of uninformed usage8/29 2020. Vector Consulting Services GmbH. All rig

Parts of ISO 26262:2018 -2nd Edition -Main Changes Challenges and Concepts ISO/PAS 21448 Road vehicles -- Safety of the intended functionality (SOTIF) 1. Vocabulary 2. Management of functional safety 3. Concept phase 4. Product development at the system level 5. Product development at the hardware level 6. Product development at the .