JT/T 1242
JT/T 1242-2019英文版/English/翻译
ChinaAutoRegs｜JT/T 1242-2019英文版/English/翻译/营运车辆自动紧急制动系统性能要求和测试规程
Performance Requirements and Test Procedures for Advanced Emergency Braking System of Commercial Vehicle
1 SCOPE
This Standard specifies the general requirements, functional requirements, environmental adaptability requirements and test procedure for the advanced emergency braking system (AEBS) of commercial vehicles.
This Standard applies to the AEBS installed on commercial vehicles, where the test procedure is applicable to the normative testing carried out for the AEBS in an enclosed field testing environment.
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 19951-2005 Road vehicles-Test methods for electrical disturbances from electrostatic discharge
GB/T 21437.2-2008 Road vehicles - Electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 21437.3-2012 Road vehicles - 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
GB/T 28046.2-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads
GB/T 28046.3-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 3: Mechanical loads
JT/T 794 GNSS system for operating vehicles - Technical specification for vehicle terminals
3术语和定义、缩略语
3.1术语和定义
下列术语和定义适用于本文件。
3.1.1
自动紧急制动系统 advanced emergency braking system
自动探测目标车辆或障碍物，检测潜在的前向碰撞危险，发出预警倍号提醒驾驶员，并激活本车制动系统，通过降速来避免碰掩或减轻碰撞的系统。
3.1.2
自车 subject vehicle
配冇本标准所定义的自动紧急制动系统的车辆。
3.1.3
前车 forward vehicle
位于自车行驶道路前方的笮辆。
3.1.4
目标车辆target vehicle
在自车前方行驶轨迹线上，距离自车最近的前车，它是自动紧急制动系统工作时所针对的对象。
3.1.5
碰撞预警collision warning
AEBS向驾驶员发出碰撞危险提示信息。
3.1.6
能见度 visibility
色温为2700 K的白炽灯发出的非扩散光束的照度减少到初始值5%时所通过的路径长度。
[GB/T 33577—2017,定义 3.14]
3.1.7
相邻车道 adjacent lane
和车所行驶的牟道共用-条车道边界的行车车道,并且与自车行驶方向相同。