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无级变速器电液控制系统试验分析及故障检测

韩玲,  张立斌,  安颖,  ANWARSohel

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文章导航 > 西南交通大学学报  > 2014 >  27(6): 1078-1083.
韩玲, 张立斌, 安颖, ANWARSohel. 无级变速器电液控制系统试验分析及故障检测[J]. 西南交通大学学报, 2014, 27(6): 1078-1083. doi: 10.3969/j.issn.0258-2724.2014.06.021
引用本文: 韩玲, 张立斌, 安颖, ANWARSohel. 无级变速器电液控制系统试验分析及故障检测[J]. 西南交通大学学报, 2014, 27(6): 1078-1083. doi: 10.3969/j.issn.0258-2724.2014.06.021
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HAN Ling, ZHANG Libin, AN Ying, ANWAR Sohel. Electric-Hydraulic System for Continuously Variable Transmission: Test Analysis and Fault Detection[J]. Journal of Southwest Jiaotong University, 2014, 27(6): 1078-1083. doi: 10.3969/j.issn.0258-2724.2014.06.021
Citation: HAN Ling, ZHANG Libin, AN Ying, ANWAR Sohel. Electric-Hydraulic System for Continuously Variable Transmission: Test Analysis and Fault Detection[J]. Journal of Southwest Jiaotong University, 2014, 27(6): 1078-1083. doi: 10.3969/j.issn.0258-2724.2014.06.021
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无级变速器电液控制系统试验分析及故障检测

doi: 10.3969/j.issn.0258-2724.2014.06.021
详细信息
    通讯作者:

    张立斌(1971),男,教授,博士生导师,E-mail:zlb@jlu.edu.cn.com

Electric-Hydraulic System for Continuously Variable Transmission: Test Analysis and Fault Detection

    摘要
  • 摘要: 为验证无级变速器电液控制模块性能是否达到国家统一标准,以液压控制原理与MATLAB仿真技术相结合对电液控制模块的压力水平、调压曲线、重复精度以及阶跃响应的快速性进行分析,并构建台架及整车试验后开发了一套液压控制模块专用试验系统。同时采用油液光谱分析与免疫算法相结合的方式,通过计算零件油液中金属元素浓度含量指标,对无级变速器零部件早期故障进行定位.试验结果表明电液模块速比、压力跟踪的准确性和快速性及热平衡流量均能满足国标要求,故障零件定位精度可达95.3%.

     

    Abstract: To determine if the performance of the electro hydraulic control module for continuously variable transmission could match the national standards of China, the stress level, pressure regulating curve, repeat accuracy, and speed of step response of the electro-hydraulic control module were analyzed by the hydraulic pressure control principle and Matlab simulation method. An exclusive test system for the hydraulic control module was developed after establishment of a test bench and integral vehicle tests. In the meantime, early faults of the CVT parts were positioned by calculation of the metallic element concentration in the hydraulic oil, using the oil spectrum analysis and immune algorithm. Test results show that the speed ratio of the electro-hydraulic module, the accuracy and speed of pressure tracking, and the thermal equilibrium flow all meet the national standards and the positioning accuracy of the fault parts is above 95.3%.

     

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出版历程
  • 收稿日期:  2013-12-24
  • 刊出日期:  2014-12-25

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