GB/T 34590.3-2022 English PDF (GBT34590.3-2022)

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GB/T 34590.3-2022: Road vehicles -- Functional safety -- Part 3: Concept phase
GB/T 34590.3-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
CCS T 35
Replacing GB/T 34590.3-2017
Road Vehicles - Functional Safety - Part 3: Concept Phase
(ISO 26262-3:2018, MOD)
ISSUED ON: DECEMBER 30, 2022
IMPLEMENTED ON: JULY 1, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 8
1 Scope ... 12
2 Normative references ... 13
3 Terms and definitions ... 13
4 Requirements ... 14
4.1 Purpose... 14
4.2 General requirements ... 14
4.3 Interpretations of tables ... 14
4.4 ASIL-dependent requirements and recommendations ... 15
4.5 Adaptation for motorcycles ... 15
4.6 Adaptation for goods vehicles, buses, special vehicles, and trailers ... 16
5 Item definition ... 16
5.1 Objectives ... 16
5.2 General rules ... 16
5.3 Inputs to this chapter ... 16
5.4 Requirements and recommendations ... 16
5.5 Work products ... 18
6 Hazard analysis and risk assessment ... 18
6.1 Objectives ... 18
6.2 General rules ... 18
6.3 Inputs to this chapter ... 18
6.4 Requirements and recommendations ... 19
6.5 Work products ... 27
7 Functional safety concept ... 27
7.1 Objectives ... 27
7.2 General rules ... 27
7.3 Inputs to this chapter ... 28
7.4 Requirements and recommendations ... 28
7.5 Work products ... 32
Appendix A (Informative) Overview of and workflow of concept phase ... 34
Appendix B (Informative) Hazard analysis and risk assessment ... 36
References ... 49
Foreword
This document was drafted in accordance with the rules provided in GB/T 1.1-2020
Directives for Standardization - Part 1: Rules for the Structure and Drafting of
Standardizing Documents.
This document is Part 3 of GB/T 34590 Road Vehicles - Functional Safety. GB/T 34590
has issued the following parts:
-- Part 1: Vocabulary;
-- Part 2: Management of Functional Safety;
-- Part 3: Concept Phase;
-- Part 4: Product Development at the System Level;
-- Part 5: Product Development at the Hardware Level;
-- Part 6: Product Development at the Software Level;
-- Part 7: Production, Operation, Service and Decommissioning;
-- Part 8: Supporting Processes;
-- Part 9: Automotive Safety Integrity Level (ASIL)-oriented and Safety-oriented
Analyses;
-- Part 10: Guideline;
-- Part 11: Guidelines on Applications to Semiconductors;
-- Part 12: Adaptation for Motorcycles.
This document serves as a replacement for GB/T 34590.3-2017 Road Vehicles -
Functional Safety - Part 3: Concept phase. In comparison with GB/T 34590.3-2017,
apart from structural adjustments and editorial modifications, the main technical
changes are as follows:
-- The scope of application of the standard is revised from “mass-produced
passenger cars” to “mass-produced road vehicles other than mopeds” (see
Chapter 1; see Chapter 1 of the 2017 edition);
-- The adaptation requirements for motorcycles are added (see 4.5);
-- The adaptation requirements for goods vehicles, buses, special vehicles, and
trailers are added (see 4.6);
-- The objectives of the definition of related items are changed (see 5.1; see 5.1 of
the 2017 edition);
-- The content of the requirements of related items that shall be given is changed
(see 5.4.1; see 5.4.1 of the 2017 edition);
-- The content that shall be considered when defining the boundaries of related
items, their interfaces, and the assumptions of their interactions with other
related items and elements is changed (see 5.4.2; see 5.4.2 of the 2017 edition);
-- The content of the safety life cycle initiation is deleted (see Chapter 6 of the 2017
edition);
-- The requirements for supporting information for hazard analysis and risk
assessment are changed (see 6.3.2; see 7.3.2 of the 2017 edition);
-- The requirements for describing the operational situations where hazardous
events occur are changed (see 6.4.2.1; see 7.4.2.1 of the 2017 edition);
-- The requirements for determining hazards during hazard identification are
changed (see 6.4.2.2; see 7.4.2.2.1 of the 2017 edition);
-- The requirements for dealing with hazards beyond the scope of GB/T 34590 are
changed (see 6.4.2.4; see 7.4.2.2.5 of the 2017 edition);
-- The requirements for factors that shall be considered in the severity classification
are added (see 6.4.3.3);
-- The severity class analysis requirements for hazards limited to object damage
and not involving personal injury are changed (see 6.4.3.4; see 7.4.3.3 of the
2017 edition);
-- The requirements for estimating the controllability of hazardous events are
changed (see 6.4.3.8; see 7.4.3.7 of the 2017 edition);
-- The availability assessment requirements for hazards that do not affect the safe
operation of the vehicle are changed (see 6.4.3.9; see 7.4.3.8 of the 2017 edition);
-- The requirements for QM level are changed (see 6.4.3.10, 6.4.3.11, and Table 4;
see 7.4.4.1 and Table 4 of the 2017 edition);
-- The requirements for determining safety objectives are changed (see 6.4.4.1; see
7.4.4.3 of the 2017 edition);
-- The requirement that the assumptions used or derived from it shall be identified
in the process of hazard identification and risk assessment are added (see
6.4.4.4);
-- The difference management requirements for T and B vehicle hazard analysis and
risk assessment are added (see 6.4.5);
-- The requirements for verification of hazard analysis and risk assessment are
changed (see 6.4.6.1; see 7.4.5 of the 2017 edition);
-- The work products of hazard analysis and risk assessment are changed (see 6.5;
see 7.5 of the 2017 edition);
-- The objectives of the functional safety concept are changed (see 7.1; see 8.1 of
the 2017 edition);
-- The general requirements of the functional safety concept are changed (see 7.2;
see 8.2 of the 2017 edition);
-- The supporting information of the functional safety concept is changed (see 7.3.2;
see 8.3.2 of the 2017 edition);
-- The content of the derivation of functional safety requirements is changed (see
7.4.2.1; see 8.4.2.1 of the 2017 edition);
-- The requirements for strategies that the functional safety requirements shall
specify are added (see 7.4.2.3);
-- The requirements for making assumptions about the necessary actions of the
driver or other personnel are changed (see 7.4.2.7; see 8.4.2.6 of the 2017
edition);
-- The requirements for the allocation of functional safety requirements are
changed (see 7.4.2.8; see 8.4.3.1 of the 2017 edition);
-- The requirements when the functional safety concept relies on external measures
are changed (see 7.4.2.10; see 8.4.3.3 of the 2017 edition);
-- The requirements for safety validation criteria are changed (see 7.4.3; see 8.4.4
of the 2017 edition).
This document is modified in relation to ISO 26262-3:2018 Road Vehicles - Functional
safety - Part 3: Concept phase.
The technical differences between this document and ISO 26262-3:2018, and the causes
for these differences are as follows:
-- ISO 26262-1 is replaced by the normatively quoted GB/T 34590.1 to adapt to
the technical conditions of China;
-- The description of T and B vehicles is changed from “trucks, buses, trailers, and
semi-trailers” to “goods vehicles, buses, special vehicles, and trailers” (see 4.6),
so that the vehicle types are consistent with that specified in GB/T 3730.1-2022
Terms and Definitions of Motor Vehicles...