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GB/T 43253.2-2023 English PDF (GBT43253.2-2023)

GB/T 43253.2-2023 English PDF (GBT43253.2-2023)

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GB/T 43253.2-2023: Road vehicles -- Functional safety audit and assessment method -- Part 2: Concept phase and system level
This document specifies the requirements and methods for carrying out functional safety audits and assessments of functional safety-related activities and work results at the concept stage and system level of safety-related electrical/electronic (E/E) systems, so as to inspect and judge the development process and conformity of work products with respect to functional safety. This document applies to safety-related systems containing one or more electrical/electronic (E/E) systems installed on production road vehicles other than mopeds. This document does not apply to specific electrical/electronic (E/E) systems on special purpose vehicles, for example, vehicle systems designed for disabled drivers.
GB/T 43253.2-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
CCS T 35
Road vehicles - Functional safety audit and assessment
method - Part 2: Concept phase and system level
ISSUED ON: NOVEMBER 27, 2023
IMPLEMENTED ON: NOVEMBER 27, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 6
4 General requirements ... 7
5 Definition of related item ... 7
5.1 Goal ... 7
5.2 Input for audit and assessment ... 7
5.3 Audit and assessment requirements ... 8
6 Hazard analysis and risk assessment ... 8
6.1 Goal ... 8
6.2 Input for audit and assessment ... 9
6.3 Audit and assessment requirements ... 9
7 Functional safety concept ... 10
7.1 Goal ... 10
7.2 Input for audit and assessment ... 11
7.3 Audit and assessment requirements ... 11
8 Technology safety concept ... 13
8.1 Goal ... 13
8.2 Input for audit and assessment ... 13
8.3 Audit and assessment requirements ... 14
9 Verification and validation ... 16
9.1 Goal ... 16
9.2 Input for audit and assessment ... 17
9.3 Audit and assessment requirements ... 17
Annex A (informative) Definition of related items ... 22
Annex B (informative) Hazard analysis and risk assessment ... 26
Annex C (informative) Functional safety concept ... 32
Annex D (informative) Functional safety concept ... 39
Annex E (informative) Verification and validation ... 50
Bibliography ... 65
Foreword
This document is drafted in accordance with the rules given in GB/T 1.1-2020 "Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents".
This document is Part 2 of GB/T 43253 "Road vehicles - Functional safety audit and assessment method". The following parts of GB/T 43253 have been issued: - Part 1: General requirements;
- Part 2: Concept phase and system level;
- Part 3: Software level;
- Part 4: Hardware level.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority shall not be held responsible for identifying any or all such patent rights.
This document is proposed by Ministry of Industry and Information Technology of the People's Republic of China.
This document shall be under the jurisdiction of National Technical Committee on Automobile of Standardization Administration of China (SAC/TC 114).
The drafting organizations of this document: China Automotive Technology and Research Center Co., Ltd., China FAW Group Co., Ltd., Shenzhen DJI Technology Co., Ltd., Guangzhou Automobile Group Co., Ltd., Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co., Ltd., Neusoft Ruichi Automotive Technology (Shanghai) ) Co., Ltd., China Changan Automobile Group Co., Ltd., Zhixing Automotive Technology (Suzhou) Co., Ltd., Beijing Horizon Robotics Technology R and D Co., Ltd., NIO Automotive Technology (Anhui) Co., Ltd., Schaeffler (China) Co., Ltd., Aisin ( Suzhou) Automotive Technology Center Co., Ltd. Hangzhou Branch, Chongqing Changan Automobile Software Technology Co., Ltd., Beijing National New Energy Vehicle Technology Innovation Center Co., Ltd.
Main drafters of this document: Shang Shiliang, Liu Hui, Xu Yiyi, Sun Yuyang, Li Bo, Lin Guangyi, Fu Yue, Wang Yu, Yang Xuezhu, Wang Zixun, Wang Xiaoyi, Wen Jiwei, Shao Haihe, Song Weijin, Cai Xiang, Zhou Yu, Zhong Jinghua, Chu Xiaoqin, Zhou Hongwei, Liu Ying.
Road vehicles - Functional safety audit and assessment
method - Part 2: Concept phase and system level
1 Scope
This document specifies the requirements and methods for carrying out functional safety audits and assessments of functional safety-related activities and work results at the concept stage and system level of safety-related electrical/electronic (E/E) systems, so as to inspect and judge the development process and conformity of work products with respect to functional safety.
This document applies to safety-related systems containing one or more
electrical/electronic (E/E) systems installed on production road vehicles other than mopeds.
This document does not apply to specific electrical/electronic (E/E) systems on special purpose vehicles, for example, vehicle systems designed for disabled drivers. 2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 34590.1~34590.12-2022, Road vehicles -- Functional safety -- Part 1: Vocabulary
GB/T 43253.1-2023, Road vehicles -- Functional safety audit and assessment method -- Part 1: General requirements
GB/T 43253.3-2023, Road vehicles -- Functional safety audit and assessment method -- Part 3: Software level
GB/T 43253.4-2023, Road vehicles -- Functional safety audit and assessment method -- Part 4: Hardware level
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 34590.1- 2022 apply.
c) Is there evidence that the integrated system elements meet the safety requirements designed according to the system architecture;
d) Verify whether the work results meet the corresponding requirements; e) Is there evidence that the items integrated into the target vehicle achieve their safety objectives;
f) Is there evidence that functional safety concepts and technical safety concepts are appropriate for achieving functional safety of the item in question?
9.2 Input for audit and assessment
To carry out the audit and assessment process specified in this chapter, the following inputs and their possible verification reports shall be available:
- Functional safety concept;
- Technical safety concept;
- Architectural design specifications;
- Software and hardware interface specifications;
- Integration and testing strategy;
- Integration and test reports;
- Verification plan;
- Verification specifications;
- Verification report;
- Hazard analysis and risk assessment report;
- Safety validation specifications that include a description of the safety validation environment;
- Safety validation report.
9.3 Audit and assessment requirements
For verification and validation audits and assessments, the check items in Table 6 and Table 7 shall be covered.
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