| 纯电动汽车两挡自动变速器研究开发 |
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| 引用本文： | 黄伟,王耀南,冯坤,张军.纯电动汽车两挡自动变速器研究开发[J].汽车技术,2011(10). |
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| 作者姓名： | 黄伟 王耀南 冯坤 张军 |
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| 作者单位： | 1. 湖南大学;长丰集团
2. 湖南大学 |
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| 基金项目： | 湖南省重大科技专项资助项目(2009FJ1018) |
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| 摘 要： | 开发了一种应用于某纯电动汽车的新型两挡自动变速器,并对该变速器结构原理、速比选择原则、整车动力性能、爬坡能力及效率特性进行了研究。结果表明,所开发的两挡自动变速器在减小电机最大转矩的同时,可降低电机最高转速、机械传动噪声和变速器输入转速,同时还可优化电机的工作转速区间,提高动力传动系统效率,且由于其采用双湿式离合系统结构,在挡位切换过程中基本无动力中断。
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| 关 键 词： | 纯电动汽车 自动变速器 换挡策略 |
Development of Two-speed Automatic Transmission for Electric Vehicle |
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| Huang Wei,Wang Yaonan,Feng Kun,Zhang Jun.Development of Two-speed Automatic Transmission for Electric Vehicle[J].Automobile Technology,2011(10). |
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| Authors: | Huang Wei Wang Yaonan Feng Kun Zhang Jun |
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| Institution: | Huang Wei1,2,Wang Yaonan1,Feng Kun1,Zhang Jun1(1.Hunan University,2.Changfeng Group Co.,LTD) |
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| Abstract: | A new two-speed automatic transmission was developed for electric vehicle,structure & principle,rule of speed ratio selection,vehicle power performance,gradeability and the efficiency characteristic of this transmission are studied.Results show that the two-speed automatic transmission can reduce motor's maximum torque,motor's maximum operating speed,mechanical noise,and transmission input speed,it also optimize motor's working speed range,improve the efficiency of the powertrain.Furthermore,the double wet ... |
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| Keywords: | Electric vehicle Automatic transmission Shifting strategy |
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