四轮独立驱动电动汽车等转矩转弯试验及滑动率分析

中国机械工程 ›› 2010, Vol. 21 ›› Issue (06): 725-728.

四轮独立驱动电动汽车等转矩转弯试验及滑动率分析

马雷1;赵云1,2;王连东1;赵明慧1;杨志安1,3; 李宁1

1.燕山大学,秦皇岛,066004

2.北京汽车研究总院有限公司,北京,100176

3.唐山亚特专用汽车有限公司,唐山,063020

出版日期:2010-03-25 发布日期:2010-04-02
基金资助:
河北省教育厅科研计划资助项目(Z2007217)
Hebei Provincial Scientific Research Project of Ministry of Education of China（No. Z2007217）

Sreering Test and Slide-rate Analysis of 4WID EV under Identity-power Pattern

Ma Lei1;Zhao Yun1,2;Wang Liandong1; Zhao Minghui1;Yang Zhi’an1,3;Li Ning1

1.Yanshan University,Qinhuangdao,Hebei,066004

2.Beijing Automobile Research Institute Co. Ltd.,Beijing,100176

3.Tangshan Yate Special Vehicles Co. Ltd.,Tangshan,Hebei,063020

Online:2010-03-25 Published:2010-04-02
Supported by:
Hebei Provincial Scientific Research Project of Ministry of Education of China（No. Z2007217）

摘要/Abstract

摘要：

针对研制的四轮独立驱动电动试验样车4WID EV,建立了稳态转向动力学模型。按等转矩模式分配四轮驱动力,进行了不同条件下的转弯试验。采用坐标网格法测绘了样车的行驶轨迹,得到了四轮转弯半径及整车转弯半径的变化情况。转弯试验揭示出驱动轮存在滑动,推导了滑动率的计算公式,并分析了转向轮转角及车速对滑动率的影响规律。结果表明,采用等转矩模式分配四轮驱动力,各轮间存在相互拖拽现象,从而产生功率内循环。

关键词:

四轮独立驱动, 网格法, 转弯试验, 转弯半径, 滑动率

Abstract:

A dynamic steering model was built for the designed 4WID electric vehicle(EV),the steering experiments were done with 4-wheel driving force being equal The rolling trend of four wheels was mapped by the net-lattice method,the steering radius both of four wheels and the sample vehicle was obtained.It is found that there is slip ratio in each wheel.The formula for calculating the steering sliding-rate was deduced,the relation between the sliding-rate and the steering radius and rotation speed was obtained.It indicates that there exists haulage among wheels causing insider power circulation, when 4-wheel driving force being equal.

Key words: 4-wheel independent-drive(4WID), net-lattice method, steering test, steering radius, sliding rate

中图分类号:

U469.722

马雷, 赵云, 王连东, 赵明慧, 杨志安, 李宁.

四轮独立驱动电动汽车等转矩转弯试验及滑动率分析

[J]. 中国机械工程, 2010, 21(06): 725-728.

MA Lei, DIAO Yun, WANG Lian-Dong, DIAO Meng-Hui, YANG Zhi-An, LI Ning.

Sreering Test and Slide-rate Analysis of 4WID EV under Identity-power Pattern

[J]. China Mechanical Engineering, 2010, 21(06): 725-728.

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