MB-CVT电液控制系统智能优化设计

韩玲; 高帅; 卢晓晖

doi:10.3788/OPE.20172402.0441

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MB-CVT电液控制系统智能优化设计

微纳技术与精密机械 | 更新时间：2020-07-07

- MB-CVT电液控制系统智能优化设计
- Intelligent optimization design for MB-CVT electro-hydraulic control system
- 光学精密工程 2017年25卷第2期页码：441-450
- 作者机构：
  
  1.长春工业大学机电工程学院, 吉林长春 130021
  2.湖南江麓容大车辆传动股份有限公司, 湖南长沙 410205
- 作者简介：
  
  [ "韩玲 (1984-), 女, 吉林省长春人, 博士后, 讲师, 2011年于吉林大学获得硕士学位, 2015年于吉林大学获得博士学位, 主要从事汽车无级变速, 汽车检测诊断等方向研究。E-mail:hanling@ccut.edu.cn" ]
  高帅 (1978-), 男, 山西晋中人, 博士, 工程师, 2012年于吉林大学获得博士学位, 主要从事汽车自动变速器研究、测试及产业化工作。E-mail:64259725@qq.com GAO Shuai, E-mail:64259725@qq.com
- 基金信息：
  
  国家国际科技合作专项资助项目(2014DFA701700);吉林省教育厅资助项目(吉教科合字[2016]第339号)
- DOI：10.3788/OPE.20172402.0441
  中图分类号： U472.9
- 收稿日期：2016-09-20，
  
  录用日期：2016-10-25，
  
  纸质出版日期：2017-02-25
- 稿件说明：
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韩玲, 高帅, 卢晓晖. MB-CVT电液控制系统智能优化设计[J]. 光学精密工程, 2017,25(2):441-450.

Ling HAN, Shuai GAO, Xiao-hui LU. Intelligent optimization design for MB-CVT electro-hydraulic control system[J]. Optics and precision engineering, 2017, 25(2): 441-450.
韩玲, 高帅, 卢晓晖. MB-CVT电液控制系统智能优化设计[J]. 光学精密工程, 2017,25(2):441-450. DOI： 10.3788/OPE.20172402.0441.

Ling HAN, Shuai GAO, Xiao-hui LU. Intelligent optimization design for MB-CVT electro-hydraulic control system[J]. Optics and precision engineering, 2017, 25(2): 441-450. DOI： 10.3788/OPE.20172402.0441.

摘要

为了提高配有金属带式无级变速器车型燃油经济性，提出基于滑模极值搜索理论的控制算法和基于滑模极值搜索控制与传统夹紧力控制相结合的一体化式联合控制方法；设计了滑模极值搜索控制和传统液压控制合为一体化的联合控制系统。建立具有非线性、离散性的数学模型；分析无级变速器传动效率和金属带滑差率在一定速比下存在特殊曲线关系；测试主/从动轮夹紧力比值系数，完成了速比跟踪控制器及变化率控制流程设计。依据滑模极值搜索算法原理，完成了滑模极值搜索控制器设计。在具有环境仓的转鼓试验台上进行整车试验，试验结果表明：采用一体化式控制的金属带式无级变速器车型油耗为7.18L/100km，比传统控制系统的油耗降低约5.64%；主、从动压力安全系数倒数指标均小于1。满足整车提高燃油经济需求的可靠性、稳定性及优化性能。

Abstract

Purpose:to improve the fuel economy of vehicles with MB-CVT

a control algorithm based on sliding mode extremum seeking (SMES) theory and an integrated control method based on combination of SMES control and traditional clamping force control were put forward. Method:designed the integrated control system based on a combination of SMES control and traditional hydraulic control

and established a mathematical model with nonlinearity and discreteness; analyzed the special curvilinear relationship between the efficiency of continuously variable transmission (CVT) and slip ratio of metal band (MB); tested the clamping force ratio coefficient of drive/driven wheel

and achieved the design for speed ratio tracking controller and changed ratio flow; completed the SMES controller design based on principle of the SMES algorithm

and carried out whole vehicle testing in the running drum tester with environment chamber. Conclusion:the test results show that fuel consumption for vehicle with MB-CVT which adopts the integrated control is 7.18L/100km

5.64% lower than fuel consumption of traditional control system

and inverse indicator for pressure safety index of both the drive wheel and driven wheel is lower than 1

which meets the reliability

stability and optimal performance for improvement of whole-vehicle fuel economy.

关键词

Keywords

references

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