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GB/T 39265-2020: Road vehicles - Performance requirements and testing methods for blind spot detection (BSD) system Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 39265-2020: Road vehicles - Performance requirements and testing methods for blind spot detection (BSD) system---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/GBT39265-2020 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040 T 41 Road vehicles - Performance requirements and testing methods for blind spot detection (BSD) system Issued on. NOVEMBER 19, 2020 Implemented on. JUNE 01, 2021 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 General requirements... 7 5 Performance requirements... 9 6 Test method... 15ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard shall be under the jurisdiction of the National Automotive Standardization Technical Committee (SAC/TC 114). Drafting organizations of this standard. Shanghai Motor Vehicle Testing and Certification Technology Research Center Co., Ltd., China Automotive Technology Research Center Co., Ltd., China FAW Co., Ltd., Dongfeng Commercial Vehicle Co., Ltd., Chery Automobile Co., Ltd., Neusoft Reach Automotive Technology (Shenyang) Co., Ltd., Shanghai Hella Electronics Co., Ltd., SAIC Motor Technology Center, Bosch Automotive Parts (Suzhou) Co., Ltd., Shenlong Automobile Co., Ltd., General Motors (China) Investment Co., Ltd., Guangzhou Automobile Group Co., Ltd. Automotive Engineering Research Institute, Daimler Greater China Investment Co., Ltd., Beijing Automotive Group Off-road Vehicle Co., Ltd., SAIC Volkswagen Co., Ltd., Zhejiang Wanan Technology Co., Ltd. The main drafters of this standard. Yu Feng, Wang Zhao, Cao Jianyong, Sun Hang, Wu Hangzhe, Xie Hanguang, Qian Yarong, Shen Hongrong, Zhang Chunmin, Zhang Leilei, Hu Rui, Zhang Ao, Wang Peng, Hu Xuhui, Dong Yao, Li Yinan, Zhuang Yunlong, Zhou Jianxiong, Chen Feng. Road vehicles - Performance requirements and testing methods for blind spot detection (BSD) system1 ScopeThis standard specifies the general requirements, performance requirements and test methods of the blind spot detection (BSD) system. This standard applies to the categories M and N vehicles equipped with blind spot detection systems. This standard does not apply to automobile trains, articulated passenger cars and special operating vehicles.2 Normative referencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this standard. GB 4094 Motor vehicles - Symbols for controls, indicators and tell-tales GB 34660 Road vehicles - Requirements and test methods of electromagnetic compatibility GB/T 36606-2018 Ergonomics - Motor vehicle driver's eye locations3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Blind spot detection; BSD Real-time monitoring of the driver’s blind area of vision, making prompts or warnings when other road users appear in the blind area. 3.2 Subject vehicle In accordance with the requirements of this standard, the vehicle under test for the BSD system test. 3.3 Adjacent area The area located on and adjacent to the left and right sides of the subject vehicle. 3.8 Right turn blind spot detection When the vehicle turns right, the blind spot on the right side of the driver is monitored in real time, meanwhile a warning message is issued when other road users appear in the blind area. 3.9 Self-check The function of the system to check its own faults.4 General requirements4.1 Overview 4.1.1 When the subject vehicle is driving straight, the blind spot detection system for categories M and N vehicles shall be able to detect the target vehicle in the left and right adjacent areas of the subject vehicle and issue a warning when it enters the detection range. 4.2 System on and off The BSD system shall have the function of manual ON or OFF. When it is manually turned off, the status indication shall be given with an indication signal in accordance with 4.4.2. 4.3 Activation requirements When the BSD system is turned on and in an inactive state, the system can detect the target vehicle, but shall not warn the driver. When the BSD system is activated, the system can be activated by at least one of the following methods. 4.4 Human-computer interaction requirements 4.4.1 Warning method The system shall send out warning messages in a way that is easy to be perceived by the driver and can clearly indicate the side where the target vehicle appears. The warning indication information shall be clearly distinguished from the warning information of other systems in the vehicle. 4.4.2 On/off indication requirements The system shall have an indication of the on/off state. The indications shall be visible visually. 4.4.3 System failure indication requirements The system shall have a system failure indication reminder function. Its reminder status identification shall be clearly observed by the driver. 4.5 Self-check requirements The system shall have at least the following self-check functions. 4.6 Others The signs of the controls, indicators and tell-tales of the blind spot detection system shall meet the relevant requirements of GB 4094.5 Performance requirements5.1 Overview 5.1.1 Blind spot detection range for categories M1, N1 vehicles The blind spot detection range of categories M1 and N1 vehicles is as shown in Figure 4. 5.2 Technical requirements 5.2.1 Target vehicle test requirements The blind spot detection function shall cover the adjacent areas on the left and right sides. 5.2.2 Warning requirements for blind spot detection function 5.2.2.1 Left blind zone warning requirements Carry out a straight-line driving test according to 6.3.2.When the target vehicle is within the range listed in the following conditions (see Figure 4 and Figure 5), the system shall issue a left blind zone warning. 5.2.2.2 Right blind zone warning requirements Perform a straight-line driving test according to 6.3.2.When the target vehicle is within the range listed in the following conditions (see Figure 4 and Figure 5), the system shall issue a right blind zone warning. 5.2.2.3 Warning requirements for right turning blind spot of categories M2, M3, N2, N3 vehicles 5.2.3 System response 5.2.3.1 System response time When the target vehicle enters the blind spot detection range from the side and rear, the time from when the target vehicle enters the blind spot detection range to when the system issues a warning shall not exceed 300 ms. 5.2.3.2 Optional blind spot warning suppression If the subject vehicle is overtaking the target vehicle, meanwhile the target vehicle enters the monitoring range from the front, the blind zone warning can be suppressed for a period of time; the warning suppression time shall not be greater than 2 s.6 Test method6.1 Test environment conditions 6.1.1 The test shall be carried out on a level, dry concrete or asphalt pavement with good adhesion. 6.2 Test measurement system 6.2.1 Requirements for test measurement system The test measurement system shall meet the following requirements. 6.2.2 Accuracy requirements for test measurement system The test measurement system shall be able to achieve the following accuracy. 6.3 Blind spot detection test 6.3.1 Overview The subject vehicles of categories M and N shall be tested for the left blind spot detection and warning and the right blind spot detection and warning test respectively according to 6.3.2 and meet the corresponding requirements. The subject vehicles of categories M2, M3, N2, N3 shall be tested for right turning according to 6.3.3 and meet the corresponding requirements. 6.3.2 Test under straight-line driving conditions 6.3.2.3 Target vehicle overtaking subject vehicle test on straight-line road The subject vehicle travels in a straight line at a constant speed of (50 ± 2) km/h; the target vehicle drives in a straight line at a constant speed in the adjacent lane and maintains a lateral distance from the subject vehicle at (1.5 ± 0.3) m; 6.3.2.5 Dual target vehicle overtaking subject vehicle on straight road The subject vehicle travels in a straight line at a constant speed of (50 ± 2) km/h; the target vehicle travels in a straight line at a constant speed in the adjacent lane at (60 ± 2) km/h and maintains a lateral distance of (1.5 ± 0.3) m from the subject vehicle, as shown in Figure 10. 6.3.3 Right turn blind spot test for categories M2, M3, N2, N3 vehicles 6.3.3.1 Test scene and vehicle speed setting Use the marking line and the bicycle dummy to establish a right-turn blind spot detection and alarm test scene for vehicles of categories M2, M3, N2, N3 according to the layout and size parameters of the test facilities specified in Figure 11 and Table 2. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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