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电控限滑差速器对汽车动力性的影响
Influence of electronically controlled limited-slip differential on vehicle dynamic performance
【摘要】 设计开发了一种电机式电控限滑差速器,探讨了其结构组成与工作过程,同时基于整车四轮动力学模型,仿真分析了电控限滑差速器对后驱动车辆动力性的影响。结果表明,装有电控限滑差速器的后驱动车辆,在对分路面上的原地起步加速时间和直接档加速时间显著缩短,在对分坡道路面上的最大爬坡度显著提高,其动力性有明显改善。
【Abstract】 An electromotor-type electronically limited-slip differential(ELSD) was developed and its structural composition and working principle were presented.The influence of the ELSD on the dynamic performance of a rear-wheel drive vehicle on the split-μroad was simulated by a four-wheel vehicle dynamic model.The simulated results show that the ELSD decreases the accelerating time from the start and the accelerating time on the direct gear on the split-μroad and increases the maximal gradeability on the split-μsloping road.
【关键词】 车辆工程;
电控限滑差速器;
动力性;
对分路面;
仿真分析;
【Key words】 vehicle engineering; electronically controlled limited-slip differential (ELSD); dynamic performance; split-μroad; simulating analysis;
【Key words】 vehicle engineering; electronically controlled limited-slip differential (ELSD); dynamic performance; split-μroad; simulating analysis;
【基金】 吉林省科技厅科技发展计划项目(20010332).
- 【文献出处】 吉林大学学报(工学版) ,Journal of Jilin University(Engineering and Technology Edition) , 编辑部邮箱 ,2008年S1期
- 【分类号】U461.1
- 【被引频次】27
- 【下载频次】568