GB/T 6323-2014 in English

《GB/T 6323-2014汽车操纵稳定性试验方法》由TC114（全国汽车标准化技术委员会）归口，TC114SC10（全国汽车标准化技术委员会车辆动力学分会）执行，主管部门为工业和信息化部。
本标准规定了汽车操纵稳定性蛇行试验方法、转向瞬态响应试验方法(转向盘转角阶跃输入、转向盘转角脉冲输入)、转向回正性能试验方法、转向轻便性试验方法、稳态回转试验方法、转向盘中心区操纵稳定性试验方法。
汽车操纵稳定性蛇行试验方法、转向瞬态响应试验方法(转向盘转角阶跃输入、转向盘转角脉冲输入)、转向回正性能试验方法、转向轻便性试验方法适用于M 类、N 类、G 类车辆,稳态回转试验方法适
用于二轴的M 类、N 类、G类车辆,转向盘中心区操纵稳定性试验方法适用于M1、N1 类车辆,其他类型汽车可参照执行。

1 Scope

This standard specifies pylon course slalom test procedure, steering transient response test procedure (steering wheel angle step input and steering wheel angle pulse input), returnability test procedure, steering efforts test procedure, steady static circular test procedure and steering wheel central area controllability and stability test procedure for determining the controllability and stability of automobiles.

As for the controllability and stability of automobiles, the pylon course slalom test procedure, steering transient response test procedure (steering wheel angle step input and steering wheel angle pulse input), returnability test procedure and steering efforts test procedure are applicable to Categories M, N and G vehicles, the steady static circular test procedure is applicable to Categories M, N and G two-axle vehicles, the steering wheel central area controllability and stability test procedure is applicable to Categories M1 and N1 vehicles, and vehicles of other types may refer to these test procedures.

2 Normative References

The following documents for the application of this document are essential. For dated reference, only the edition cited applies. For undated references, the latest edition (including any amendment) applies to this document.

GB/T 3730.1 Motor Vehicles and Trailers - Types - Terms and Definitions
GB/T 3730.2 Road Vehicle - Masses - Vocabulary and Codes
GB/T 12534-1990 Motor Vehicles - General Rules of Road Test Method
GB/T 12549 Terms and Definitions for Vehicle Controllability and Stability
GB/T 15089 Classification of Power-driven Vehicles and Trailers

3 Apparatuses

3.1 The instruments necessary for test are as follows:

a) Speed meter;

b) Measuring instruments for steering wheel torque and angle;

c) Automobile controllability and stability tester;

d) Stopwatch;

e) Multichannel data acquisition system.

3.2 Test apparatuses shall meet the requirements of 3.5 in GB/T 12534-1990.

3.3 Measurement range and maximum error of measuring instruments shall meet those specified in Table 1.

Foreword i
1 Scope
2 Normative References
3 Apparatuses
4 Test Conditions
4.1 Test Automobile
4.2 Test Site and Environment
5 Pylon Course Slalom Test
5.1 Test Instruments
5.2 Parameters to be Measured
5.3 Test Procedures
5.4 Data Processing for Pylon Course Slalom Test
5.5 Expression of Results for Pylon Course Slalom Test
6 Steering Transient Response Test (Steering Wheel Angle Step Input)
6.1 Test Instruments
6.2 Parameters to be Measured
6.3 Test Procedures
6.4 Test Data Processing
6.5 Expression of Test Results
7 Steering Transient Response Test (Steering Wheel Angle Pulse Input)
7.1 Test Instruments
7.2 Parameters to be Measured
7.3 Test Procedures
7.4 Test Data Processing
7.5 Expression of Test Results
8 Returnability Test
8.1 Test Instruments
8.2 Parameters to be Measured
8.3 Test Procedures
8.4 Data Processing for Returnability Test
8.5 Expression of Test Results
9 Steering Efforts Test
9.1 Test Instruments
9.2 Parameters to be Measured
9.3 Test Procedures
9.4 Test Data Processing
9.5 Expression of Test Results
10 Steady Static Circular Test
10.1 Test Instruments
10.2 Parameters to be Measured
10.3 Test Procedures
10.4 Test Data Processing
10.5 Expression of Test Results
11 Steering Wheel Central Area Controllability and Stability Test
11.1 Test Instruments
11.2 Parameters to be Measured
11.3 Test Procedures
11.4 Test Data Processing
11.5 Expression of Test Results
12 Test Report
Annex A (Normative) Data Sheet——Basic Assessment Test
Annex B (Informative) Data Sheet——Benchmarking Test
Annex C (Informative) Test Conditions——Benchmarking Test
Annex D (Informative) Steady Static Circular Test Procedure—— Fixed Turning Radius Procedure