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GB 44497-2024 PDF English

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GB 44497-2024: Intelligent and connected vehicle - Data storage system for automated driving
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GB 44497-2024605 Add to Cart Auto, 9 seconds. Intelligent and connected vehicle - Data storage system for automated driving Valid

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GB 44497-2024: Intelligent and connected vehicle - Data storage system for automated driving

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB44497-2024
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.10 CCS T 36 Intelligent and connected vehicle - Data storage system for automated driving Issued on. AUGUST 23, 2024 Implemented on. JANUARY 01, 2026 Issued by. State Administration for Market Regulation; National Standardization Administration.

Table of Contents

Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Technical requirements... 8 5 Test conditions... 31 6 Test method... 32 7 Determination of the same type... 45 8 Implementation of the standard... 46 Appendix A (Normative) Definition of data extraction symbols... 47 Appendix B (Normative) Export file format of automatic driving data recording system ... 49 References... 52

Foreword

This document was drafted in accordance with the provisions of GB/T 1.1-2020 "Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents". Please note that some contents of this document may involve patents. The issuing agency of this document does not assume the responsibility for identifying patents. This document was proposed by AND shall be under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. Intelligent and connected vehicle - Data storage system for automated driving

1 Scope

This document specifies the technical requirements, test methods, same type determination of the automatic driving data recording system of intelligent and connected vehicles. This document applies to the automatic driving data recording system equipped on Category M and Category N vehicles.

2 Normative references

The contents of the following documents constitute the essential terms of this document through normative references in the text. Among them, for dated references, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document. GB/T 1865-2009 Paints and varnishes - Artificial weathering and exposure to artificial radiation - Exposure to filtered xenon-arc radiation GB 11551 The protection of the occupants in the event of a frontal collision for motor vehicle GB 16735 Road vehicle - Vehicle identification number (VIN) GB/T 19951-2019 Road vehicles - Disturbances test methods for electrical/electronic component from electrostatic discharge GB 20071 The protection of the occupants in the event of a lateral collision GB/T 20913 The protection of the occupants in the event of an off-set frontal collision for passenger car GB/T 21437.3-2021 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 3.Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines GB/T 28046.1-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 1.General Your GB/T 28046.2-2019 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2.Electrical loads

3 Terms and definitions

The terms and definitions, as defined in GB 39732-2020 and GB/T 40429-2021, as well as the following terms and definitions, apply to this document. 3.1 Data storage system for automated driving A system equipped on a vehicle with an automated driving function, that has the functions of monitoring, collecting, storing data and supports data reading during the activation of the automated driving system. 3.2 Impact event A collision or other physical event that reaches or exceeds the trigger threshold, or any other event that causes the deployment of an irreversible restraint device, whichever occurs first. 3.3 Starting point of event T0 The moment when the automated driving data recording system confirms that a specific event has occurred. 3.4 Ending point of event Tend The moment when the automated driving data recording system confirms that a specific event has ended. 3.5 Locked status The status in which data cannot be overwritten. 3.6 Field of view angle In a camera device, the angle formed by the two edges of the maximum range of lens through which the phase of tested object, using the center of the camera device as the vertex.

4 Technical requirements

4.1 General Automatic driving data recording systems are divided into Type I and Type II systems. The automated driving data recording system equipped on M1 and N1 vehicles shall be a Type I system or a Type II system. The automated driving data recording system equipped on M2, M3, N2, N3 vehicles shall be a Type II system. The relevant 4.2 Data recording requirements for type I system 4.2.1 General requirements 4.2.2 Impact event 4.2.2.1 Triggering conditions When the vehicle meets the requirements of 4.1.1 in GB 39732-2020, the event shall be recorded. 4.2.3 Events with collision risk 4.2.3.1 Trigger conditions When the longitudinal deceleration requested by the automated driving system is greater than 5 m/s2, the event shall be recorded. 4.3 Data recording requirements for type II system During the activation of the automated driving system, the type II system shall record at least the following data. 4.4 Data element requirements 4.4.1 Data element grading The data elements recorded by the automated driving data recording system shall be divided into two grades according to the following requirements. 4.5 Data storage requirements 4.5.1 Storage medium The data recorded by the automated driving data recording system shall be stored in the vehicle-side non-volatile memory. 4.5.2 Storage capacity The automated driving data recording system shall meet the following requirements. 4.5.3 Storage overwrite mechanism 4.5.3.1 Type I system When the storage area of a Type I system is full, the following storage overwrite requirements shall be met.

5 Test conditions

5.1 Test field and test environment requirements 5.1.1 The test field shall meet the following conditions. 5.1.2 Weather conditions The test vehicle shall be tested in a good weather and normal lighting environment. 5.2 Test equipment and data recording requirements 5.2.1 Test data recording content and requirements The following contents shall be recorded during the test. 5.2.3 Target objects The target vehicles, bicycles, motorcycles shall be mass-produced passenger cars, two- wheeled bicycles two-wheeled ordinary motorcycles, or flexible targets whose surface feature parameters can represent the above vehicles and adapt to the sensor system. 5.3 Test vehicle requirements The test vehicle shall meet the following requirements.

6 Test method

6.1 Trigger test 6.1.1 Timestamp event trigger test 6.1.1.1 Test method Activate the test vehicle's automated driving system and make the automated driving system run stably. After the following operations are performed, the test is terminated. 6.1.1.2 Pass criteria After the test, read the timestamp event data recorded by the automatic driving data recording system in accordance with the requirements of 4.6.The events recorded by the Type I system shall comply with the requirements of 4.2.1.1b); the time recorded by the Type II system shall comply with the requirements of 4.3c). 6.1.2 Impact event trigger test 6.1.2.1 General The impact event trigger test shall select any of the methods in 6.1.2.2, 6.1.2.3, 6.1.2.4 for testing. 6.1.2.2 For data recording systems with signal injection conditions 6.1.3 Triggering test with collision risk event 6.1.3.1 Test scenario The test road is a long straight road with at least two lanes, meanwhile the middle line is a white dotted line. The test vehicle and the target vehicle are driving in their respective lanes. When the test vehicle approaches the target vehicle, the target vehicle cuts into the lane where the test vehicle is located, as shown in Figure 2. 6.2 Continuous recording trigger test 6.2.1 Test method For the test vehicle equipped with a Type II system, perform the test in accordance with 6.1.1.1. 6.2.2 Pass criteria After the test, read the data recorded by the automated driving data recording system. It shall comply with the requirements of 4.3a) and 4.3b). 6.3 Collision test 6.3.1 Test conditions Before the test, read the data stored in the automated driving data recording system of the test vehicle. 6.6 Environmental evaluation test 6.6.1 Electrical performance 6.6.1.1 DC power supply voltage According to the working mode 3.1 defined in GB/T 28046.1-2011, first adjust the DC regulated power supply voltage to UN; then gradually adjust the voltage to USmin and stabilize for 10 minutes; then gradually adjust the voltage to USmax and stabilize for 10 minutes. After the test, read and check the data stored in the automatic driving data recording system. 6.6.1.2 Overvoltage 6.6.5 Chemical load In accordance with the working mode 1.1 defined in GB/T 28046.1-2011, select the chemical reagent and exposure conditions according to the installation position code [B] in Table 1 of GB/T 28046.5-2013, the wetting method in Table 2, the procedure in 4.8 for testing. 6.6.6 Electromagnetic compatibility performance 6.6.6.1 Immunity to electrical disturbances caused by electrostatic discharge

7 Determination of the same type

7.1 Directly deemed conditions If all of the following provisions are met, they are deemed to be of the same type. 7.2 Deemed conditions after test verification If the vehicle model is directly deemed to be changed, when the following provisions are met, only the technical requirements related to the changed parameters need to be supplemented and extended after approval, without the need to re-conduct all the tests.

8 Implementation of the standard

From the date of implementation of this document, new vehicle models applying for type approval shall meet the following requirements. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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