Design and Modeling Simulation of a New Hydro-electric Hybrid Multi-function Continuously Variable Transmission

Wuyao Gou; Tao Deng; Ping Liu; Lu Zhang; Yang Yang

doi:10.16578/j.issn.1004.2539.2022.05.010

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Design and Modeling Simulation of a New Hydro-electric Hybrid Multi-function Continuously Variable Transmission

Design· Calculation | 更新时间：2022-09-24

- Design and Modeling Simulation of a New Hydro-electric Hybrid Multi-function Continuously Variable Transmission
- Journal of Mechanical Transmission Vol. 46, Issue 5, Pages: 68-75(2022)
- 作者机构：
  
  1.重庆交通大学机电与车辆工程学院，重庆 400074
  2.重庆交通大学航空学院，重庆 400074
  3.重庆交通大学绿色航空技术研究院，重庆 400074
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.05.010
  CLC：
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苟武尧,邓涛,柳平等.新型液电混动多功能无级变速器设计建模仿真[J].机械传动,2022,46(05):68-75.

Gou Wuyao,Deng Tao,Liu Ping,et al.Design and Modeling Simulation of a New Hydro-electric Hybrid Multi-function Continuously Variable Transmission[J].Journal of Mechanical Transmission,2022,46(05):68-75.
苟武尧,邓涛,柳平等.新型液电混动多功能无级变速器设计建模仿真[J].机械传动,2022,46(05):68-75. DOI： 10.16578/j.issn.1004.2539.2022.05.010.

Gou Wuyao,Deng Tao,Liu Ping,et al.Design and Modeling Simulation of a New Hydro-electric Hybrid Multi-function Continuously Variable Transmission[J].Journal of Mechanical Transmission,2022,46(05):68-75. DOI： 10.16578/j.issn.1004.2539.2022.05.010.

摘要

传统无级变速器主要有液压、机械、电力3种传动方式，单一传动方式劣势明显，复合式无级变速器应用领域仍然较为局限。设计了一款新型液电混动多功能无级变速器，融合液压传动与电力传动的驱动与制动能量再生功能，实现机械能、液压能、电能融合工作，提升了系统的性能与能效水平。通过结构分析与设计，制定其工作模式，建立SolidWorks、Matlab/Simulink与Advisor的联合仿真模型，在UDDS循环工况下进行了仿真验证。结果表明，该变速器结构可实现设计的无级变速功能，而所搭载的整车以多消耗约10% SOC为代价，其动力性、燃油经济性与排放指标分别提升了19.8%、36.4%与41.9%，验证了无级变速器设计的合理性与有效性。

Abstract

The traditional continuously variable transmission （CVT） is mainly divided into three transmission modes: hydraulic， mechanical and electric. The single transmission mode has obvious disadvantages， and the application field of composite CVT is still limited. Thus， a new hydro-electric hybrid multi-functional CVT is designed， which integrates the driving and braking energy regeneration functions of hydraulic and electric transmission， realizes the integration of mechanical energy， hydraulic energy and electric energy， and improves the performance and energy efficiency of the system. Through structural analysis and design， its working mode is formulated， and the joint simulation model of Solidworks， Matlab/Simulink and advisor is established for simulation verification under UDDS cycle. The simulation results show that the transmission structure can realize the designed continuously variable function， and the power performance， fuel economy and emission indexes of the whole vehicle are increased by 19.8%， 36.4% and 41.9% respectively at the cost of consuming about 10% SOC， which verifies the rationality and effectiveness of the CVT design.

关键词

无级变速器液电混动双转子设计联合仿真

Keywords

Continuously variable transmissionHydro-electric hybridDouble-rotor designAssociated simulation

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