Optimizing of Transmission Gear Ratio based on Cruise-Isight Co-simulation

Ai Xiaochen; Zheng Guangyong; Zhang Shoufeng; Zeng Hao

doi:10.16578/j.issn.1004.2539.2018.02.017

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Optimizing of Transmission Gear Ratio based on Cruise-Isight Co-simulation

更新时间：2022-10-20

- Optimizing of Transmission Gear Ratio based on Cruise-Isight Co-simulation
- Vol. 42, Issue 2, Pages: 90-94(2018)
- 作者机构：
  
  1. 重庆长安汽车股份有限公司动力研究院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.02.017
  CLC：
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[1]艾小忱,郑广勇,张寿凤,曾浩.基于Cruise-Isight联合仿真的乘用车变速器速比优化[J].机械传动,2018,42(02):90-94.

Ai Xiaochen, Zheng Guangyong, Zhang Shoufeng, et al. Optimizing of Transmission Gear Ratio based on Cruise-Isight Co-simulation. [J]. 42(2):90-94(2018)
[1]艾小忱,郑广勇,张寿凤,曾浩.基于Cruise-Isight联合仿真的乘用车变速器速比优化[J].机械传动,2018,42(02):90-94. DOI： 10.16578/j.issn.1004.2539.2018.02.017.

Ai Xiaochen, Zheng Guangyong, Zhang Shoufeng, et al. Optimizing of Transmission Gear Ratio based on Cruise-Isight Co-simulation. [J]. 42(2):90-94(2018) DOI： 10.16578/j.issn.1004.2539.2018.02.017.

摘要

为了在动力性满足目标的前提下进一步提升经济性,建立了Cruise和Isight的联合仿真模型,应用多岛遗传优化方法,在确定的动力性和结构设计约束条件下对变速器的各挡位速比参数进行优化,得出满足性能指标要求的基础优化方案。依据驾驶平顺性和齿轮结构的要求对基础优化方案从工程化的角度进行调整,最终得出满足动力性和工程化要求的工程化可行方案。工程化后的最终方案动力性刚好满足目标要求,NEDC（New European Driving Cycle）循环工况综合油耗比原方案降低0.26 L/100km,经济性改善了3.86%,并且等转速换挡的平顺性较原始方案有所改善。

Abstract

In order to improve fuel economy further within traction ability target,a Cruise-Isight Co-simulation model is established. By using multi-island genetic algorithm,the transmission gear ratio is optimized separately under certain traction ability and structural design constraints,a basic optimized scheme which can meets performance target is gotten. The gear ratio result from optimization model is adjusted according to drive comfort and structural requirements from the engineering point of view. Finally,the gear ratio is recommended which can meets traction and engineering requirements. After optimization,the traction performance reaches target closely and the integrated fuel consumption of NEDC cycle is reduced by 0. 23 L/100 km,3. 86%lower than the original scheme,and the ride comfort of the constant speed shift is improved also.

关键词

燃油经济性CruiseIsight联合仿真变速器速比优化

Keywords

Fuel economyCruiseIsightCo-simulationTransmission gear ratio optimization

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