ChinaAutoRegs｜JT/T 1242-2019英文版/English/翻譯/營運車輛自動緊急制動系統性能要求和測試規程
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術語和定義、縮略語
3.1術語和定義
下列術語和定義適用於本文件。
3.1.1
自動緊急制動系統 advanced emergency braking system
自動探測目標車輛或障礙物，檢測潛在的前向碰撞危險，發出預警倍號提醒駕駛員，並激活本車制動系統，通過降速來避免碰掩或減輕碰撞的系統。
3.1.2
自車 subject vehicle
配冇本標準所定義的自動緊急制動系統的車輛。
3.1.3
前車 forward vehicle
位於自車行駛道路前方的笮輛。
3.1.4
目標車輛target vehicle
在自車前方行駛軌跡線上，距離自車最近的前車，它是自動緊急制動系統工作時所針對的對象。
3.1.5
碰撞預警collision warning
AEBS向駕駛員發出碰撞危險提示信息。
3.1.6
能見度 visibility
色溫為2700 K的白熾燈發出的非擴散光束的照度減少到初始值5%時所通過的路徑長度。
[GB/T 33577—2017,定義 3.14]
3.1.7
相鄰車道 adjacent lane
和車所行駛的牟道共用-條車道邊界的行車車道,並且與自車行駛方向相同。