GB/T 44173-2024 Performance requirements and testing methods for door open warning system of passenger cars
1 Scope
This document specifies the general requirements and performance requirements for the door open warning system of passenger cars and describes the testing methods.
This document is applicable to Class M1 vehicles equipped with a door open warning 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 34660 Road vehicles - Requirements and test methods of electromagnetic compatibility
GB/T 39263 Road vehicles - Advanced driver assistance systems - Terms and definitions
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 39263 and the following apply.
3.1
door open warning system; DOWS
system intended to monitor other road users on the side and rear of the vehicle when it is parked and about to open the door and issue a warning message when there is a risk of collision due to the door being opened
3.2
subject vehicle
passenger car under test equipped with a DOWS (3.1) and testing equipment
3.3
bicycle
bicycle with two wheels
3.4
target
target vehicle (3.4.1) and target bicycle (3.4.2) moving within the warning area of the subject vehicle (3.2)
3.4.1
target vehicle
motor vehicles moving within the warning area of the subject vehicle (3.2)
3.4.2
target bicycle
bicycle (3.3) moving within the warning area of the subject vehicle (3.2)
3.5
lateral distance
distance between the outermost edge of the subject vehicle's (3.2) body (excluding exterior rear-view mirrors) and the outermost edge of the side of the target vehicle (3.4.1) (excluding exterior rear-view mirrors), or the longitudinal centerline of the target bicycle (3.4.2)
Note: See Figure 1.
4 General requirements
4.1 Function
When the vehicle is stationary, the DOWS shall at least issue a warning message to the driver and passengers when the door is opened and there is a risk of collision with the target.
4.2 Self-inspection
The DOWS shall be subjected to self-inspection after power-on and have at least the following self-inspection functions:
a) Inspect whether related electrical components work properly;
b) Inspect whether related sensing elements work properly.
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Function
4.2 Self-check
4.3 DOWS status indication
4.4 Warning indication
4.5 Failure response
4.6 Electromagnetic compatibility
5 Performance requirements
5.1 Left side warning .
5.2 Right side warning
5.3 Delayed shutdown
6 Testing methods .
6.1 Setting of system on subject vehicle
6.2 Testing equipment
6.3 Testing environment
6.4 Test of system warning boundary
6.5 Test of straight-line overtaking of subject vehicle by target
6.6 Test of lane-changing overtaking of subject vehicle by target
6.7 Test of DOWS delayed shutdown
