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GB/T 34590.5-2017 (GB/T34590.5-2017)

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GB/T 34590.5-2017: PDF in English (GBT 34590.5-2017)

GB/T 34590.5-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 35
Road vehicles - Functional safety -
Part 5. Product development at the hardware level
(ISO 26262-5.2011, MOD)
ISSUED ON. OCTOBER 14, 2017
IMPLEMENTED ON. MAY 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4
Introduction ... 7
1 Scope ... 11
2 Normative references ... 12
3 Terms, definitions and abbreviated terms ... 12
4 Requirements... 13
4.1 General requirements ... 13
4.2 Interpretations of tables ... 13
4.3 ASIL-dependent requirements and recommendations ... 14
5 Initiation of product development at the hardware level ... 14
5.1 Objectives ... 14
5.2 General ... 15
5.3 Inputs to this clause ... 17
5.4 Requirements and recommendations ... 17
5.5 Work products ... 18
6 Specification of hardware safety requirements ... 18
6.1 Objectives ... 18
6.2 General ... 18
6.3 Inputs to this clause ... 18
6.4 Requirements and recommendations ... 19
6.5 Work products ... 21
7 Hardware design ... 21
7.1 Objectives ... 21
7.2 General ... 22
7.3 Inputs to this clause ... 22
7.4 Requirements and recommendations ... 22
7.5 Work products ... 28
8 Evaluation of the hardware architectural metrics ... 28
8.1 Objectives ... 28
8.2 General ... 28
8.3 Inputs of this clause ... 29
8.4 Requirements and recommendations ... 30
8.5 Work products ... 34
9 Evaluation of safety goal violations due to random hardware failures ... 34
9.1 Objectives ... 34
9.2 General ... 34
9.3 Inputs to this clause ... 35
9.4 Requirements and recommendations ... 35
9.5 Work products ... 44
10 Hardware integration and testing ... 45
10.1 Objectives ... 45
10.2 General... 45
10.3 Inputs of this clause ... 45
10.4 Requirements and recommendations ... 46
10.5 Work products ... 48
Annex A (informative) Overview of and workflow of product development at the
hardware level ... 49
Annex B (informative) Failure mode classification of a hardware element ... 52
Annex C (normative) Hardware architectural metrics ... 54
Annex D (informative) Evaluation of the diagnostic coverage ... 61
Annex E (informative) Example calculation of hardware architectural metrics.
“single-point fault metric” and “latent-fault metric” ... 96
Annex F (informative) Application of scaling factors... 106
Bibliography ... 109
Foreword
GB/T 34590 “Road vehicles - Functional safety” consists of the following
sections.
- 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 and operation;
- Part 8. Supporting processes;
- Part 9. Automotive Safety Integrity Level (ASIL)-oriented and safety-
oriented analyses;
- Part 10. Guideline.
This Part is Part 5 of GB/T 34590.
This Part is drafted in accordance with the rules given in GB/T 1.1-2009.
This Part uses the redrafting method to modify ISO 26262-5.2011 “Road
vehicles - Functional safety - Part 5. Product development at the hardware
level”.
The technical differences between this Part and ISO 26262-5.2011 and their
reasons are as follows.
- MODIFY the scope of this Part, from the original “applied to safety-related
systems that include one or more electrical and/or electronic (E/E) systems
and that are installed in series production passenger cars with a maximum
gross vehicle mass up to 3 500 kg.” to “applied to safety-related systems
that include one or more electrical and/or electronic (E/E) systems and that
are installed in series production passenger cars”;
- Regarding the normative references, this Part has made some adjustments
with technical differences, to adapt to the technical conditions of China. The
adjustments are mainly reflected in Clause 2 “Normative references”. The
specific adjustments are as follows.
● Replace ISO 26262-1.2011 with GB/T 34590.1-2017 that modifies the
international standard;
● Replace ISO 26262-2.2011 with GB/T 34590.2-2017 that modifies the
international standard;
● Replace ISO 26262-4.2011 with GB/T 34590.4-2017 that modifies the
international standard;
● Replace ISO 26262-6.2011 with GB/T 34590.6-2017 that modifies the
international standard;
● Replace ISO 26262-7.2011 with GB/T 34590.7-2017 that modifies the
international standard;
● Replace ISO 26262-8.2011 with GB/T 34590.8-2017 that modifies the
international standard;
● Replace ISO 26262-9.2011 with GB/T 34590.9-2017 that modifies the
international standard.
This Part also made the following editorial changes.
- MODIFY the introduction of the international standard and its expression
and the content of Figure 1.
This Part was proposed and shall be under the jurisdiction of National Technical
Committee of Auto Standardization (SAC/TC 114).
Responsible drafting organizations of this Part. China Automotive Technology
& Research Center, Bosch Automotive Components (Suzhou) Co., Ltd.,
Shanghai Haila Electronics Co., Ltd., Pan Asia Technical Automotive Center
Co., Ltd., Beijing Sincode Science & Technology Co., Ltd., Schaeffler
Investment (China) Co., Ltd., United Automotive Electronics Co., Ltd., China
FAW Co., Ltd., Continental Automotive Investment (Shanghai) Co., Ltd.,
Peugeot Citroen (China) Automobile Trading Co., Ltd., Zhengzhou Yutong Bus
Co., Ltd., Hunan CRRC Times Electric Vehicle Co., Ltd.
Participating drafting organizations of this Part. Brilliance Auto Group Holdings
Co., Ltd., Neusoft Group Co., Ltd., Beijing Jingwei Hengrun Technology Co.,
Ltd., Infineon Integrated Circuit (Beijing) Co., Ltd., Aisin (Nantong) Automotive
Technology Center Co., Ltd., Keihin Electronic Device Research and
Development (Shanghai) Co., Ltd., Valeo Automotive Internal Control
(Shenzhen) Co., Ltd., AW (Hangzhou) Information Technology Co., Ltd.
Road vehicles - Functional safety -
Part 5. Product development at the hardware level
1 Scope
This Part of GB/T 34590 specifies the requirements for product development at
the hardware level for automotive applications, including the following.
- requirements for the initiation of product development at the hardware level,
- specification of the hardware safety requirements,
- hardware design,
- hardware architectural metrics, and
- evaluation of violation of the safety goal due to random hardware failures
and hardware integration and testing.
The requirements of this Part for hardware elements are applicable both to non-
programmable and programmable elements, such as ASIC, FPGA and PLD.
Furthermore, for programmable electronic elements, requirements in GB/T
34590.6-2017, Clause 11 and Clause 12 of GB/T 34590.8-2017 are applicable.
This Standard 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 passenger cars.
This Standard does not address unique E/E systems in special purpose
vehicles such as vehicles designed for drivers with disabilities.
Systems and their components released for production, or systems and their
components already under development prior to the publication date of this
Standard, are exempted from the scope of this Standard. For further
development or alterations based on systems and their components released
for production prior to the publication of this Standard, only the modifications
will be developed in accordance with this Standard.
This Standard addresses possible hazards caused by malfunctioning behaviour
of E/E safety-related systems, including interaction of these systems. This
Standard does not address hazards related to electric shock, fire, smoke, heat,
radiation, toxicity, flammability, reactivity, corrosion, release of energy and
......