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GB/T 34604-2017: Terms for all-terrain vehicles controllability and stability
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GB/T 34604-2017: Terms for all-terrain vehicles controllability and stability

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Terms for all-terrain vehicles controllability and stability ICS 43.020 T84 National Standards of People's Republic of China ATV handling stability terms 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Coordinate system and movement 1 3 wheels and tires 7 4 suspension system 12 5 steering system 16 Directional Dynamics 19 7 ATV sport characteristics 24 8 ATV aerodynamic characteristics 27 9 Tests and Evaluation 31 References 37 Index 38

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Four-wheel All-terrain Vehicle Standardization Technical Committee (SAC/TC344) and focal point. This standard is drafted by Loncin General Dynamics Co., Ltd., Beijing. Participated in the drafting of this standard. China Automotive Technology Research Center, Jinhua Exit Inspection and Quarantine. The main drafters of this standard. Zhang Yinghui, Deng Zhiyong, Feng Benzhen, Tan Yongzhong, Li Lu Shan, Wang Yu, Shi Junxiao. ATV handling stability terms

1 Scope

This standard defines the all-terrain vehicle coordinates and sports, wheels and tires, suspension systems, steering systems, directional dynamics, ATV Dynamic characteristics, ATV - the aerodynamic characteristics of the pilot system, test and system, and other terminology definition. This standard applies to all-terrain vehicles.

2 coordinate system and movement

2.1 coordinate system axissystems 2.1.1 Fixed ground coordinate system (X, Y, Z) earth-fixedaxissystem (X, Y, Z) Right-hand rectangular coordinate system fixed on the ground. The origin is a point on the ground, the X-axis and Y-axis lie in a horizontal plane, and the X-axis means To the front, the Y axis points to the left and the Z axis points vertically upwards. The trajectory of the ATV movement is described by this coordinate system (see Figure 1). Figure 1 Ground fixed coordinate system 2.1.2 Motion Coordinate System (x0, y0, z0) movingaxissystem (x0, y0, z0) Right-hand rectangular coordinate system fixed on ATV. The origin is the ATV center of mass, the x0 axis is the longitudinal symmetry plane of the ATV (See 2.1.6) intersecting the horizontal plane passing through the center of mass of the ATV, pointing in front of the main movement direction of ATV, y0 axis perpendicular to the longitudinal The plane of symmetry, horizontally pointing to the left, z0 axis perpendicular to the x0 and y0 plane, pointing up (see Figure 2). ...