| 回流式无级变速传动系统效率优化匹配策略 |
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| 引用本文： | 尹燕莉,孙冬野,林歆悠,郝允志.回流式无级变速传动系统效率优化匹配策略[J].重庆大学学报(自然科学版),2011,34(7):28-33. |
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| 作者姓名： | 尹燕莉 孙冬野 林歆悠 郝允志 |
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| 作者单位： | 重庆大学机械传动国家重点实验室; |
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| 基金项目： | 国家自然科学基金资助项目(51075410); 重庆市科技攻关计划项目(2010AC6049) |
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| 摘 要： | 针对回流式无级变速传动系统效率变化幅度大,传统无级变速系统匹配控制策略无法确保整个系统处于理想状态,提出了基于系统效率优化的匹配控制策略。建立了发动机、变速器效率数值模型和整车优化模型,利用Matlab/Simulink仿真平台,对优化模型进行求解,得到了发动机目标节气门开度控制表和变速器目标速比控制表,对设计样车的燃油经济性进行了欧洲市区与城郊行驶循环(ECE+EUDC)工况仿真验算,结果表明:基于系统效率优化的匹配控制策略可提高整车燃油经济性1.5%左右。
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| 关 键 词： | 汽车 回流式无级变速传动系统 传动效率 燃油经济性 |
| 收稿时间： | 3/8/2011 12:00:00 AM |
Efficiency optimization matching strategy of continuously variable transmission system with reflux power |
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| YIN Yan-li,SUN Dong-ye,LIN Xin-you and HAO Yun-zhi.Efficiency optimization matching strategy of continuously variable transmission system with reflux power[J].Journal of Chongqing University(Natural Science Edition),2011,34(7):28-33. |
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| Authors: | YIN Yan-li SUN Dong-ye LIN Xin-you and HAO Yun-zhi |
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| Institution: | YIN Yan-li,SUN Dong-ye,LIN Xin-you,HAO Yun-zhi(The State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044,P.R.China) |
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| Abstract: | To solve the problem that the transmission efficiency of continuously variable transmission system with reflux power varies in a great range,and the traditional control strategy can't make sure that the overall system is under ideal conditions,an economy control method based on system efficiency optimization is put forward.The engine/transmission efficiency numerical model and system optimization model are built.Taking Matlab/Simulink as the platform,objective throttle position control table and objective r... |
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| Keywords: | vehicles continuously variable transmission system with reflux power transmission efficiency fuel economy |
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