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GB/T 34590.4-2022 PDF English

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GB/T 34590.4-2022: Road vehicles - Functional safety - Part 4: Product development at the system level
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GB/T 34590.4: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
GB/T 34590.4-2022485 Add to Cart Auto, 9 seconds. Road vehicles - Functional safety - Part 4: Product development at the system level Valid
GB/T 34590.4-2017155 Add to Cart Auto, 9 seconds. Road vehicles -- Functional safety -- Part 4: Product development at the system level Obsolete

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GB/T 34590.4-2022: Road vehicles - Functional safety - Part 4: Product development at the system level


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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040 CCS T 35 Replacing GB/T 34590.4-2017 Road Vehicles - Functional Safety - Part 4.Product development at the system level (ISO 26262-4.2018, 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... 4 Introduction... 8 1 Scope... 12 2 Normative references... 13 3 Terms and definitions... 14 4 Requirements... 14 4.1 Purpose... 14 4.2 General requirements... 14 4.3 Interpretations of tables... 15 4.4 ASIL-dependent requirements and recommendations... 16 4.5 Adaptation for motorcycles... 16 4.6 Adaptation for goods vehicles, buses, special vehicles and trailers... 16 5 General topics for the product development at the system level... 16 5.1 Objectives... 16 5.2 General... 16 6 Technical safety concept... 18 6.1 Objectives... 18 6.2 General... 19 6.3 Inputs to this clause... 19 6.4 Requirements and recommendations... 20 6.5 Work products... 29 7 System and item integration and testing... 30 7.1 Objectives... 30 7.2 General... 30 7.3 Inputs to this clause... 30 7.4 Requirements and recommendations... 31 7.5 Work products... 41 8 Safety validation... 41 8.1 Objectives... 41 8.2 General... 41 8.3 Inputs to this clause... 41 8.4 Requirements and recommendations... 42 8.5 Work products... 44 Annex A (Informative) Overview of and workflow of product development at the system level... 45 Annex B (informative) Example contents of hardware-software interface (HSI)... 48 Bibliography... 52

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 4 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 of GB/T 34590.4-2017 Road Vehicles - Functional Safety - Part 4.Product development at the system level. In comparison with GB/T 34590.4- 2017, apart from structural adjustments and editorial modifications, the main technical changes are as follows. -- MODIFY the Scope, from “series production passenger cars” into “series production road vehicles, excluding mopeds” (see Clause 1; Clause 1 of Version 2017); -- ADD the adaptation for motorcycles (see 4.5); -- ADD the adaptation for trucks, buses, trailers and semi-trailers (see 4.6); -- MODIFY the content of Clause 5, from “Product development at the starting system level” into “General topics for the product development at the system level” (see Clause 5; Clause 5 of Version 2017); -- MODIFY the objectives of Clause 5 (see 5.1; 5.1 of Version 2017); -- DELETE the content of “Inputs of this clause”, “Requirements and suggestions”, “Work products” in Clause 5 (see 5.3, 5.4, 5.5 of Version 2017); -- MODIFY the content of Clauses 6 and 7 of Version 2017, refining the development objectives of the technical safety concept phase (see 6.1; 6.1, 7.1 of Version 2017); -- MODIFY the description of the general principles of the technical safety concept (see 6.2; 6.2 of Version 2017); -- MODIFY the requirements for the specification of the technical safety requirements (see 6.4.1; 6.4.1 of Version 2017); -- MODIFY the requirements for the specification of the safety mechanism (see 6.4.2; 6.4.2 of Version 2017); -- DELETE the content corresponding to ASIL decomposition (see 6.4.3 of Version 2017); -- ADD the objectives of safety analyses on the system architectural design (see 6.4.4.1); -- DELETE the relevant content and tables of the attributes of the modular system design (see 7.4.3.7 of Version 2017); -- MODIFY the requirements for production, service, operation and decommissioning (see 6.4.8; 7.4.7 of Version 2017); -- DELETE the relevant content and tables of the verification of the system design (see 7.4.8 of Version 2017); -- ADD the relevant content and requirements of the system phase verification (see 6.4.9.2); -- MODIFY the objectives of the system and item integration and testing (see 7.1; 8.1 of Version 2017); -- DELETE the description of “the effectiveness of diagnostics or failure coverage of safety mechanisms” in the integration and testing strategy (see 7.4.1.1); -- MODIFY the content of “the effectiveness of diagnostics or failure coverage of safety mechanisms” at the system level and the vehicle level (see Table 10, Table 14; Table 11, Table 16 of Version 2017); -- MODIFY the objectives of safety validation (see 8.1; 9.1 of Version 2017); -- ADD the safety validation environment (see 8.4.1); -- MODIFY the description of the validated plan, into the “specification of safety validation” (see 8.4.2; 9.4.2 of Version 2017); -- DELETE the validation of random hardware failure measurement at the item level (see 9.4.3.3 of Version 2017); -- DELETE the relevant content of functional safety assessment and production release (see Clause 10 and Clause 11 of Version 2017). This document has been modified using ISO 26262-4.2018 Road Vehicles - Functional Safety - Part 4.Product development at the system level. The technical differences between this document and ISO 26262-4.2018, and the causes for these differences are as follows. -- MODIFY the description of T&B vehicles, from “trucks, buses, trailers and semi-trailers” into “goods vehicles, buses, special vehicles and trailers” (see 4.6; 4.6 of ISO 26262- 4.2018), so as to maintain the consistency with the vehicle types specified GB/T 3730.1- 2022 Terms and Definitions of Motor Vehicles, Trailers and Combination vehicle - Part 1.Types. This document also makes the following editorial modifications. -- MODIFY the introduction and expression of the international standard. Please be noted that certain content of this document may involve patents. The institution issuing this document does not undertake the responsibility of identifying these patents. This document was proposed by the Ministry of Industry and Information Technology of the People’s Republic of China. This document shall be under the jurisdiction of National Technical Committee 114 on Auto of Standardization Administration of China (SAC/TC 114). The drafting organizations of this document. China Automotive Technology and Research Center Co., Ltd.; BYD Auto Industry Co., Ltd.; Nexteer Automotive (Suzhou) Co., Ltd.; Huawei Technologies Co., Ltd.; Schaeffler (China) Co., Ltd.; NIO Automobile (Anhui) Co., Ltd.; SAIC VOLKSWAGEN Co., Ltd.; NIO Inc.; Pan Asia Technical Automotive Center Co., Ltd.; United Automotive Electronic Systems; FAW Jiefang Automotive Company; JTEKT Research and Development Center (Wuxi) Co., Ltd.; Beijing Borgward Automotive Co., Ltd.; Beijing Horizon Robotics Technology R&D Co., Ltd.; Infineon Technology (China) Co., Ltd.; Shanghai G-PULSE Electronics Technology Co., Ltd.; iMotion Automotive Technology (Suzhou) Co., Ltd.; Hitachi Astemo Automotive Systems (Shanghai) Co., Ltd.; SINCODE Technology (Taizhou) Co., Ltd.; Shanghai SenseTime Lingang Intelligent Technology Co., Ltd.; Hella Shanghai Electronics Co., Ltd.; Hubei ECARX Technologies Co., Ltd.; Dongfeng Motor Group Co., Ltd.; Technology Center of SAIC Motor Co., Ltd.; SAIC GM Wuling Automobile Co., Ltd.; Shanghai NIO Automobile Co., Ltd.; Daimler Greater China Ltd.; BOSCH Auto Parts (Suzhou) Co., Ltd.; China FAW Group Co., Ltd.; Shanghai Hesai Technology Co., Ltd.; Dongfeng Liuzhou Automobile Co. Ltd.; Neusoft (Dalian) Corporation; Great Wall Motor Co., Ltd.; Suzhou Inovance United Power System Co., Ltd.; BAIC BJEV Co., Ltd.; YUTONG Group Co., Ltd.; SAIC VOLKSWAGEN (China) Investment Co., Ltd.; Zhuzhou CRRC Times Electric Co., Ltd.; Beijing Jingwei Hirain Technologies Co., Ltd.; SVOLT Energy Technology Co., Ltd. The main drafters of this document. Li Bo, Han Bing, Shao Haihe, Fu Yue, Wei Fang, Jiang Zhaojuan, Zhou Yu, Zhang Yunshuang, Shang Shiliang, Mingyue, Zhang Lijun, Wang Jianzhen, Zhao Tianli, Li Zhenzhen, Yang Hu, Zhang Xiang, Xiong Zaihui, Zhou Dongdong, Song Weijin, Xu Huizhong, Qian Qiuhua, Bai Xiaoyu, Zhang Jin, Shi Xiaomi, Zhao Jinfu, Wu Ke, Huang Tengyun, Li Hongbo, Kuang Xiaojun, Li Jing, Lv Ming, Qu Yuanning, Di Zhongju, Bi Yuntian, Wang Bin, Zhang Tong, Yang Huiju, Jiang Wei, Chen Lin, Ma Mengyin, Zhang Weiqian, Zhang Rui, Peng Nengling, Zhang Lemin, Chen Lei, Sun Yu, Wang Zhipeng. The issuing of the previous versions. -- Issued for the first time in 2017 as GB/T 34590.4-2017; -- This is the first revision.

1 Scope

This document specifies the requirements for product development at the system level for automotive applications, including the following.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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 34590.1-2022 Road vehicles - Functional safety - Part 1.Vocabulary (ISO 26262- 1.2018, MOD)

3 Terms and definitions

For the purposes of this document, the terms, definitions and abbreviated terms given in GB/T 34590.1-2022 apply.

4 Requirements

For alternative entries, an appropriate combination of methods shall be applied in accordance with the ASIL indicated, independent of whether they are listed in the table or not. If methods are listed with different degrees of recommendation for an ASIL, the methods with the higher recommendation should be preferred. A rationale shall be given that the selected combination of methods or even a selected single method complies with the corresponding requirement.

5 General topics for the product development at the system level

The objective of this clause is to provide an overview of product development at the system level. The necessary activities during the development of a system are given in Figure 2.In an iterative process, the technical safety concept is developed, incorporating technical safety requirements and the system architectural design.

6 Technical safety concept

The technical safety concept is an aggregation of the technical safety requirements and the corresponding system architectural design that provides rationale as to why the system architectural design is suitable to fulfil safety requirements resulting from activities described in GB/T 34590.3-2022 (with consideration of non-safety requirements) and design constraints.

7 System and item integration and testing

The integration of the item's elements is carried out in a systematic way starting from software- hardware integration and verification through system integration and verification to vehicle integration and verification. Specified integration tests are performed at each integration stage to provide evidence that the integrated elements interact correctly.

8 Safety validation

Safety goals shall be validated giving consideration to variance in operation that impacts the technical characteristics, which have been considered in the hazard analysis and risk assessment. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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