Influence Analysis of DCT Preselection Strategy on Fuel Consumption based on Cruise Simulation

Wei Ren; Jianping Huang; Jinju Yin; Lei Zhang; Min Yan

doi:10.16578/j.issn.1004.2539.2019.09.023

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Influence Analysis of DCT Preselection Strategy on Fuel Consumption based on Cruise Simulation

Test·Analysis | 更新时间：2022-09-24

- Influence Analysis of DCT Preselection Strategy on Fuel Consumption based on Cruise Simulation
- Journal of Mechanical Transmission Vol. 43, Issue 9, Pages: 133-136(2019)
- 作者机构：
  
  1.格特拉克（江西）传动系统有限公司，江西南昌 330013
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2019.09.023
  CLC：
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任伟,黄建平,殷金菊等.基于Cruise仿真的DCT变速器预选挡策略对油耗的影响分析[J].机械传动,2019,43(09):133-136.

Ren Wei,Huang Jianping,Yin Jinju,et al.Influence Analysis of DCT Preselection Strategy on Fuel Consumption based on Cruise Simulation[J].Journal of Mechanical Transmission,2019,43(09):133-136.
任伟,黄建平,殷金菊等.基于Cruise仿真的DCT变速器预选挡策略对油耗的影响分析[J].机械传动,2019,43(09):133-136. DOI： 10.16578/j.issn.1004.2539.2019.09.023.

Ren Wei,Huang Jianping,Yin Jinju,et al.Influence Analysis of DCT Preselection Strategy on Fuel Consumption based on Cruise Simulation[J].Journal of Mechanical Transmission,2019,43(09):133-136. DOI： 10.16578/j.issn.1004.2539.2019.09.023.

摘要

双离合器变速器（DCT）在正常工作中通常会进行预选挡操作，以便实现无动力中断输出。但是，预选挡会增加变速器更多的转矩损失，即会降低变速器的效率。通过运用AVL公司旗下的整车性能仿真分析软件（Cruise）对某乘用车进行整车动力学建模仿真，分析了在新欧洲驾驶循环（NEDC）工况下采用预选挡策略和不预选挡策略对于油耗的影响。通过对比变速器平均效率以及综合油耗可得到以下结论：NEDC循环中采用不预选挡策略比采用预选挡策略能节省0.7%的油耗。因此，如果对现有的预选挡策略进行优化，在不影响DCT无动力中断换挡性能的前提下增加预选空挡时间，对提升整车经济性是有一定作用的。

Abstract

In normal driving Dual Clutch Transmission (DCT) preselect gear to achieve power shift. But preselection will lead a higher torque loss i.e. lower efficiency. The modeling and simulating of the vehicle dynamics are carried out by using AVL Cruise, the influence of preselection strategy and non-preselection strategy on fuel consumption under the New European Driving Cycle (NEDC) is analyzed. Comparing the average transmission efficiency and combined fuel consumption of NEDC the following conclusion can be made: non-preselection can get 0.7% lower fuel consumption than preselection regarding NEDC. In consequence under premise of without affecting the power shift, optimizing the preselection strategy to increase the working time of preselection neutral gear can improve the vehicle fuel economy.

关键词

Cruise仿真双离合变速器燃油经济性建模仿真变速器

Keywords

Cruise simulationDCTFuel economyModeling and simulationTransmission

references

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