ISO 26262 introduction

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Very brief Introduction to ISO 26262 given to Mando and Mobis during Infineon Tandem-visit

Transcript of ISO 26262 introduction

  • Copyright exida LLC 2000-2012 Singapore +65 6222 5160 Shanghai +86 21 5171 7250 Hong Kong +852 2633 7727 Germany +49 89 4900 0547 USA +1 215 453 1720 Switzerland +41 22 364 14 34 Canada +1 403 475 1943 United Kingdom +44 2476 456 195 Netherlands +31 318 414 505 Australia / NZL +64 3 472 7707 Mexico +52 55 5611 9858 South Africa +27 31 267 1564 exida Contacts ISO 26262 Introduction Singapore, 17 October 2012 Koen Leekens
  • Copyright exida LLC 2000-2012 On the Agenda ISO 26262 and the Challenges exida Expertise
  • Copyright exida LLC 2000-2012 Safety is Only as Strong as its Weakest Link exida
  • Copyright exida LLC 2000-2012 Electronics??? Once upon a time
  • Copyright exida LLC 2000-2012 Many years later Anti-Blocking System Electronic Stability Program Lane Departure Warning Steering Lock Reverse Sensors Backup Camera Adaptive Cruise Control Tire Pressure Monitoring Deflation Detection System Traction Control System Infrared Night Vision Adaptive Headlights Emergency Brake Assistance Corner Brake Control Pre-Crash System Automatic Steering AirbagAutomatic Gearbox ControlAutomated Parking SystemAutomatic Collision Notification Traffic Sign Recognition
  • Copyright exida LLC 2000-2012 Some Fatality Numbers Fatalities decreasing too Slow in Europe Fatalities stable but too High in US
  • Copyright exida LLC 2000-2012 Many years later Anti-Blocking System Electronic Stability Program Lane Departure Warning Steering Lock Reverse Sensors Backup Camera Adaptive Cruise Control Tire Pressure Monitoring Deflation Detection System Traction Control System Infrared Night Vision Adaptive Headlights Emergency Brake Assistance Corner Brake Control Pre-Crash System Automatic Steering AirbagAutomatic Gearbox ControlAutomated Parking SystemAutomatic Collision Notification Traffic Sign Recognition Actively function to achieve Safe State
  • Copyright exida LLC 2000-2012 What is? Functional Safety ISO 26262: Absence of unreasonable risk due to hazards caused by malfunctioning behavior of E/E systems IEC 61508: Part of the overall safety related to the equipment under control (EUC) that depends on the correct functioning of the safety-related system
  • Copyright exida LLC 2000-2012 Why Functional Safety Standards? BECAUSE
  • Copyright exida LLC 2000-2012 Why Functional Safety? BECAUSE ELECTRONICS CAN FAIL !!! Are you Able to Provide the EVIDENCE that Risks have been Minimized?
  • Copyright exida LLC 2000-2012 Which Standard to Follow? IEC 61508 Functional Safety for E/E/PES Safety Related Systems
  • Copyright exida LLC 2000-2012 ISO 26262 Adaptation of IEC 61508 IEC 61508 Functional Safety for E/E/PES Safety Related Systems Why not ideal for Automotive Industry ?
  • Copyright exida LLC 2000-2012 Basic Standard for Functional Safety IEC 61508 Functional Safety for E/E/PES Safety Related Systems Generic High Level Standard Roots in Process Industry Assumes One Company does Everything Not Designed for the Distributed Development Why not Ideal for Automotive Industry ?
  • Copyright exida LLC 2000-2012 ISO 26262 Adaptation of IEC 61508 IEC 61508 Functional Safety for E/E/PES Safety Related Systems IEC 61513 Nuclear IEC 61511 Process Industry ISO 26262 Road Vehicles IEC 62061 Machinery ISO 13849-1 Machine Safety ISO 25119 Tractors ISO 26262 is State of the Art For Automotive Developed with OEM
  • Copyright exida LLC 2000-2012 How E/E Systems Fail? Random Failures: Usually a permanent or transient failure due to a system component loss of functionality hardware related Systematic Failures: Usually due to a design fault, wrong specification, not fit for purpose , error in software program, ...
  • Copyright exida LLC 2000-2012 Technical Safety MeasuresProcess Methods - Organization ISO 26262 Principles ISO 26262 Functional Safety Principles Avoidance of Faults Control of Failures Avoid Systematic Faults Control of Systematic Failures Control of Random Failures In OperationBefore Delivery
  • Copyright exida LLC 2000-2012 Technical Safety MeasuresProcess Methods - Organization ISO 26262 Principles ISO 26262 Functional Safety Principles Avoidance of Faults Control of Failures Avoid Systematic Faults Control of Systematic Failures Control of Random Failures In OperationBefore Delivery Implement Correctly Detect and React
  • Copyright exida LLC 2000-2012 Driver Controllability (and Usability) Other Technologies External Measures Back to appropriate lifecycle phase Planning of Production 7.4 Planning of Operation, Service and Decom. 7.5 Product Development System 4 Hard- ware 5 Soft- ware 6 Release for SOP4.11 Concept of Functional Safety 3.7 Production7.4 Operation, Service and Decommissioning 7.5 conceptphaseproductdevelopmentafterSOP Management of Functional Safety2.4 2.6 Supporting Processes8.4 8.15 Functional Safety Concept 3.8 Hazard Analysis and Risk Assessment 3.7 Initiation of Safety Life Cycle 3.6 Item definition3.5 ISO 26262 follows a Safety LifeCycle Risk Based Approach
  • Copyright exida LLC 2000-2012 > 100 Work Products Work Products Exida Templates
  • Copyright exida LLC 2000-2012 ISO 26262 Structure
  • Copyright exida LLC 2000-2012 ISO 26262 Structure Vocabulary
  • Copyright exida LLC 2000-2012 Vocabulary is important English is not English English American - KorEnglish GerEnglish Singlish English is not ISO/IEC Validation Verification Confirmation Fault Failure Error Different Standard Different Terminology Safety Requirement in ISO 26262 vs IEC 61511
  • Copyright exida LLC 2000-2012 ISO 26262 Structure Functional Safety Management
  • Copyright exida LLC 2000-2012 Overall Requirements for the Organization Specific Organizational Rules Competence Quality Requirements for Phases Roles and Responsibilities Functional Safety Plan Progression Safety Case Confirmation Measures Management of Functional Safety Plan Coordinate - Track
  • Copyright exida LLC 2000-2012 4 Functional Safety Management .................................................................................8 4.2 Project Organization................................................................................................... 8 4.3 Roles and Role Descriptions ...................................................................................... 9 4.5 Team Competence....................................................................................................14 5 Safety Life Cycle......................................................................................................16 5.2 Scheduling of the safety lifecycle activities................................................................21 5.3 Concept Phase..........................................................................................................21 5.4 Product development on system level .......................................................................26 5.4.1 Initiation of System Product Development ......................................................26 5.4.2 Specification of Technical Safety Requirements .............................................28 5.4.3 System Design ...............................................................................................30 5.4.4 Item Integration and Testing ...........................................................................33 5.4.5 Safety Validation.............................................................................................34 5.4.6 Functional Safety Assessment........................................................................36 5.4.7 Release for Production ...................................................................................36 5.5 Product development HW level .................................................................................38 5.5.1 Initiation of HW product development .............................................................38 5.5.2 Specification of HW safety requirements ........................................................39 5.5.3 HW design......................................................................................................41 5.5.4 HW architectural metrics.................................................................................43 5.5.5 Evaluation of safety goal violation due to random HW faults...........................44 5.5.6 HW integration and testing..............................................................................45 5.6 Product development SW level .................................................................................46 5.6.1 Initiation of SW product development .............................................................46 5.6.2 Specification of SW safety requirements.........................................................49 5.6.3 SW Architecture design ..................................................................................51 5.6.4 SW Unit design and implementation...............................................................55 5.6.5 SW Unit testing...............................................................................................57 5.6.6 SW integration and testing..............................................................................58 5.6.7 Verification of SW safety requirements ...........................................................59 6 Production and Operation ........................................................................................61 7 Supporting Processes..............................................................................................66 7.1 Interfaces within distributed development..................................................................66 7.2 Specification and management of safety requirements .............................................69 7.3 Configuration management .....................................