userqin / iso26262

ISO 26262 notes

description
ISO 26262 :2018(E)

Preface

12 parts of ISO 26262 :2018(E)

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 software level
7. Production and operation
8. Supporting processes
9. Automotive Safety Integrity Level (ASIL)-oriented and safety-oriented analysis
10. Guideline on ISO 26262
11. Guidelines on application of ISO 26262 to semiconductors
12. Adaptation of ISO 26262 for motorcycles

Part I Vocabulary

Contents Page (total 42 pages)

Foreword................................................................................................................... iv Introduction............................................................................................................... vi

1. Scope......................................................................................................................... 1
2. Normative references .............................................................................................. 1
3. Terms and definitions ...............................................................................................1
4. Abbreviated terms .................................................................................................. 28
5. Bibliography ............................................................................................................. 33

Part II Management of functional safety

Contents Page (total 54 pages)

Foreword ................................................................................................................... v Introduction.............................................................................................................. vii

1. Scope .................................................................................................................1
2. Normative references .......................................................................................1
3. Terms and definitions ...................................................................................... 2
4. Requirements for compliance ..........................................................................2
5. 4.1 Purpose ............................................................................................................ 2

4.2 General requirements ................................................................................................................................... 2 4.3 Interpretations of tables ............................................................................................................................... 3 4.4 ASIL-dependent requirements and recommendations .............................................................................. 3 4.5 Adaptation for motorcycles ......................................................................................................................... 3 4.6 Adaptation for trucks, buses, trailers and semi-trailers ............................................................................. 3 5 Overall safety management ............................................................................................................................ 4 5.1 Objectives ...................................................................................................................................................... 4 5.2 General .......................................................................................................................................................... 4 5.2.1 Overview of the safety lifecycle ................................................................................................................ 4 5.2.2 Explanatory remarks on the safety lifecycle ............................................................................................ 5 5.3 Inputs to this clause ..................................................................................................................................... 9 5.3.1 Prerequisites .............................................................................................................................................. 9 5.3.2 Further supporting information ................................................................................................................ 9 5.4 Requirements and recommendations.......................................................................................................... 9 5.4.1 General........................................................................................................................................................ 9 5.4.2 Safety culture ............................................................................................................................................. 9 5.4.3 Management of safety anomalies regarding functional safety............................................................. 10 5.4.4 Competence management ..................................................................................................................... 11 5.4.5 Quality management system .................................................................................................................. 11 5.4.6 Project-independent tailoring of the safety lifecycle.............................................................................. 12 5.5 Work products.............................................................................................................................................. 12 6 Project dependent safety management ..................................................................................................12 6.1 Objectives .................................................................................................................................................... 12 6.2 General ........................................................................................................................................................ 13 6.3 Inputs to this clause ................................................................................................................................... 14 6.3.1 Prerequisites ............................................................................................................................................ 14 6.3.2 Further supporting information............................................................................................................... 14 6.4 Requirements and recommendations........................................................................................................ 14 6.4.1 General ..................................................................................................................................................... 14 6.4.2 Roles and responsibilities in safety management................................................................................. 14 6.4.3 Impact analysis at the item level..............................................................................................................15 6.4.4 Reuse of an existing element...................................................................................................................16 6.4.5 Tailoring of the safety activities...............................................................................................................16 6.4.6 Planning and coordination of the safety activities ................................................................................ 17 6.4.7 Progression of the safety lifecycle.......................................................................................................... 19 6.4.8 Safety case ............................................................................................................................................... 20 6.4.9 Confirmation measures ........................................................................................................................... 20 6.4.10 Confirmation reviews ............................................................................................................................ 23 6.4.11 Functional safety audit .......................................................................................................................... 24 6.4.12 Functional safety assessment .............................................................................................................. 25 6.4.13 Release for production........................................................................................................................... 27 6.5 Work products.............................................................................................................................................. 28 7 Safety management regarding production, operation, service and decommissioning .......................... 28 7.1 Objective ..................................................................................................................................................... 28 7.2 General ....................................................................................................................................................... 28 7.3 Inputs to this clause.................................................................................................................................... 28 7.3.1 Prerequisites ............................................................................................................................................ 28 7.3.2 Further supporting information .............................................................................................................. 28 7.4 Requirements and recommendations ....................................................................................................... 28 7.4.1 General ..................................................................................................................................................... 28 7.4.2 Responsibilities, planning and required processes ............................................................................... 29 7.5 Work products ............................................................................................................................................. 29 Annex A (informative) Overview of and workflow of functional safety management ................................. 30 Annex B (informative) Safety culture ................................................................................................................33 Annex C (informative) Guidance for the confirmation measures................................................................... 35 Annex D (informative) Example of a functional safety assessment agenda (for items that have an ASIL D safety goal) ........................................................................................................................................................ 40 Annex E (informative) Guidance on potential interaction of functional safety with cybersecurity...............43 Bibliography .......................................................................................................................................................45

Part III Concept phase

Contents Page (total 38 pages)

Foreword...............................................................................................................................................................iv Introduction..........................................................................................................................................................vi1 Scope..................................................................................................................................................................1 2 Normative references ......................................................................................................................................1 3 Terms and definitions ......................................................................................................................................1 4 Requirements for compliance ........................................................................................................................ 2 4.1 Purpose ......................................................................................................................................................... 2 4.2 General requirements ................................................................................................................................... 2 4.3 Interpretations of tables ............................................................................................................................... 3 4.4 ASIL-dependent requirements and recommendations .............................................................................. 3 4.5 Adaptation for motorcycles ..........................................................................................................................3 4.6 Adaptation for trucks, buses, trailers and semi-trailers ............................................................................. 3 5 Item definition ...................................................................................................................................................4 5.1 Objectives ...................................................................................................................................................... 4 5.2 General .......................................................................................................................................................... 4 5.3 Inputs to this clause...................................................................................................................................... 4 5.3.1 Prerequisites .............................................................................................................................................. 4 5.3.2 Further supporting information................................................................................................................. 4 5.4 Requirements and recommendations ......................................................................................................... 4 5.5 Work products .............................................................................................................................................. 5 6 Hazard analysis and risk assessment ........................................................................................................... 5 6.1 Objectives ...................................................................................................................................................... 5 6.2 General .......................................................................................................................................................... 5 6.3 Inputs to this clause...................................................................................................................................... 6 6.3.1 Prerequisites .............................................................................................................................................. 6 6.3.2 Further supporting information ................................................................................................................ 6 6.4 Requirements and recommendations ......................................................................................................... 6 6.4.1 Initiation of the hazard analysis and risk assessment ............................................................................ 6 6.4.2 Situation analysis and hazard identification ............................................................................................ 6 6.4.3 Classification of hazardous events .......................................................................................................... 7 6.4.4 Determination of safety goals ............................................................................................................... 10 6.4.5 Management of variances of T&B in hazard analysis and risk assessment ....................................... 11 6.4.6 Verification ................................................................................................................................................12 6.5 Work products ............................................................................................................................................. 12 7 Functional safety concept .............................................................................................................................12 7.1 Objectives..................................................................................................................................................... 12 7.2 General .........................................................................................................................................................13 7.3 Inputs to this clause.................................................................................................................................... 13 7.3.1 Prerequisites ............................................................................................................................................ 13 7.3.2 Further supporting information............................................................................................................... 13 7.4 Requirements and recommendations ....................................................................................................... 14 7.4.1 General ..................................................................................................................................................... 14 7.4.2 Derivation of functional safety requirements . ...................................................................................... 14 7.4.3 Safety validation criteria ..........................................................................................................................16 7.4.4 Verification of the functional safety concept ........................................................................................ 16 7.5 Work products............................................................................................................................................. 17 Annex A (informative) Overview of and workflow of concept phase..............................................................18 Annex B (informative) Hazard analysis and risk assessment.........................................................................19 Bibliography ....................................................................................................................................................... 28