ISO 26262-8:2018
(Main)Road vehicles — Functional safety — Part 8: Supporting processes
Road vehicles — Functional safety — Part 8: Supporting processes
This document is intended to be applied to safety-related systems that include one or more electrical and/or electronic (E/E) systems and that are installed in series production road vehicles, excluding mopeds. This document does not address unique E/E systems in special vehicles such as E/E systems designed for drivers with disabilities. NOTE Other dedicated application-specific safety standards exist and can complement the ISO 26262 series of standards or vice versa. Systems and their components released for production, or systems and their components already under development prior to the publication date of this document, are exempted from the scope of this edition. This document addresses alterations to existing systems and their components released for production prior to the publication of this document by tailoring the safety lifecycle depending on the alteration. This document addresses integration of existing systems not developed according to this document and systems developed according to this document by tailoring the safety lifecycle. This document addresses possible hazards caused by malfunctioning behaviour of safety-related E/E systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy and similar hazards, unless directly caused by malfunctioning behaviour of safety-related E/E systems. This document describes a framework for functional safety to assist the development of safety-related E/E systems. This framework is intended to be used to integrate functional safety activities into a company-specific development framework. Some requirements have a clear technical focus to implement functional safety into a product; others address the development process and can therefore be seen as process requirements in order to demonstrate the capability of an organization with respect to functional safety. This document does not address the nominal performance of E/E systems. This document specifies the requirements for supporting processes, including the following: — interfaces within distributed developments; — overall management of safety requirements; — configuration management; — change management; — verification; — documentation management; — confidence in the use of software tools; — qualification of software components; — evaluation of hardware elements; — proven in use argument; — interfacing an application that is out of scope of ISO 26262; and — integration of safety-related systems not developed according to ISO 26262. Annex A provides an overview on objectives, prerequisites and work products of this document.
Véhicules routiers — Sécurité fonctionnelle — Partie 8: Processus d'appui
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INTERNATIONAL ISO
STANDARD 26262-8
Second edition
2018-12
Road vehicles — Functional safety —
Part 8:
Supporting processes
Véhicules routiers — Sécurité fonctionnelle —
Partie 8: Processus d'appui
Reference number
©
ISO 2018
© ISO 2018
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Contents Page
Foreword .vi
Introduction .viii
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
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 . 4
4.6 Adaptation for trucks, buses, trailers and semi-trailers. 4
5 Interfaces within distributed developments . 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 . 5
5.4 Requirements and recommendations . 5
5.4.1 Application of requirements . 5
5.4.2 Supplier selection criteria . 5
5.4.3 Initiation and planning of distributed development . 6
5.4.4 Execution of distributed development . 7
5.4.5 Functional safety assessment activities in a distributed development . 8
5.4.6 Agreement for production, operation, service and decommissioning . 8
5.5 Work products . 8
6 Specification and management of safety requirements . 9
6.1 Objectives. 9
6.2 General . 9
6.3 Inputs to this clause .10
6.3.1 Prerequisites .10
6.3.2 Further supporting information .10
6.4 Requirements and recommendations .11
6.4.1 Specification of safety requirements .11
6.4.2 Attributes and characteristics of safety requirements.11
6.4.3 Management of safety requirements.13
6.5 Work products .14
7 Configuration management .14
7.1 Objectives.14
7.2 General .14
7.3 Inputs to this clause .15
7.3.1 Prerequisites .15
7.3.2 Further supporting information .15
7.4 Requirements and recommendations .15
7.5 Work products .15
8 Change management .16
8.1 Objectives.16
8.2 General .16
8.3 Inputs to this clause .16
8.3.1 Prerequisites .16
8.3.2 Further supporting information .16
8.4 Requirements and recommendations .16
8.4.1 Planning and initiating change management .16
8.4.2 Change requests .17
8.4.3 Change request analysis .17
8.4.4 Change request evaluation .17
8.4.5 Implementing and documenting the change .18
8.5 Work products .18
9 Verification .18
9.1 Objectives.18
9.2 General .19
9.3 Inputs to this clause .19
9.3.1 Prerequisites .19
9.3.2 Further supporting information .19
9.4 Requirements and recommendations .20
9.4.1 Verification planning .20
9.4.2 Verification specification .20
9.4.3 Verification execution and evaluation .21
9.5 Work products .22
10 Documentation management .22
10.1 Objectives.22
10.2 General .22
10.3 Inputs to this clause .23
10.3.1 Prerequisites .23
10.3.2 Further supporting information .
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