GB/T 44461.1-2024 Intelligent and connected vehicle - Technical requirements and testing methods for combined driver assistance system - Part 1: Single-lane manoeuvre
1 Scope
This document specifies the general requirements and performance requirements of the single-lane manoeuvre system of intelligent and connected vehicles, and describes the test methods.
This document is applicable to motor vehicles of Categories M and N equipped with single-lane manoeuvre system.
Note: In case of no confusion, the "single-lane manoeuvre system" herein is referred to as "system".
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 5768.3 Road traffic signs and markings - Part 3: Road traffic markings
GB/T 12534 Motor vehicles - General rules of road test method
GB 34660 Road vehicles - Requirements and test methods of electromagnetic compatibility
GB/T 44373 Intelligent and connected vehicle - Terms and definitions
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 44373 and the following apply.
3.1
single-lane manoeuvre system
combined driver assistance system that assists the driver in controlling the vehicle to travel only in a selected single-lane by continuously controlling the lateral and longitudinal movements of the vehicle according to the surrounding driving environment of the vehicle
3.2
lane
driving area without any fixed obstacles where the driver does not need to change the driving path
3.3
lane boundary line
visible road traffic markings used to determine lane boundary
3.4
lateral distance
vertical spacing from the projection point of the center point of the rear axle of the vehicle on the ground to the lane boundary line
Note: See Figure 1.
Key
A——the center of the rear axle of the vehicle;
W——the lane width;
d1, d2——the lateral distance.
Figure 1 Lateral distance
3.5
minimum speed
vsmin-SL
lowest vehicle speed that can be achieved under the control of the system
3.6
maximum speed
vsmax-SL
highest vehicle speed that can be achieved under the control of the system
3.7
minimum set speed
vsminset-sL
minimum set speed to which the system can be set
3.8
inactive state
state in which the system does not perform any lateral or longitudinal movement control on the vehicle
3.9
partial active state
state in which the system does not simultaneously perform lateral and longitudinal movement control on the vehicle, but assists the driver in performing lateral or longitudinal movement control
3.10
active state
state in which the system assists the driver in continuously performing lateral and longitudinal movement control of the vehicle
4 General requirements
4.1 Functional requirements
The system shall have clear activation conditions. In the activated state, it shall assist the driver in controlling the vehicle to drive in the selected lane, and allow the driver to adjust settings such as cruise speed, and shall not affect the activation of emergency assistance functions such as automatic emergency braking.
4.2 Self-inspection
The system shall complete self-inspection before entering the activated state, and have at least the following self-inspection functions. When an abnormal state is detected, it shall not enter the activated state:
a) Inspect whether related electrical components work properly;
b) Inspect whether related sensing elements work properly.
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Performance requirements
6 Test methods
Annex (Normative) Functional safety requirements
Bibliography
