自动变速器比例电磁阀优化设计与分析
Optimization Design and Analysis of High Speed Wet Proportional Solenoid Valve
查看参考文献9篇
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文摘
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以自动变速器用比例电磁阀为研究对象,研究了比例电磁阀关键参数的设计及其优化方法。在结构分析的基础上,分析了其工作原理,将比例电磁阀分为电磁、机械和流体三部分。建立了比例电磁阀阀芯动力学方程,分析了影响电磁阀动态响应时间及油压动态输出的因素。对比例电磁阀的电磁铁部分进行了优化设计,确定了电磁力和输入电流之间的关系后;采用遗传算法的优化方式,以比例电磁阀阀芯质量、弹簧刚度、弹簧的预压缩量和阻尼系数为优化设计参数,比例电磁阀油压输出的响应时间及超调量为优化目标,对比例电磁阀进行优化设计与分析;设计中通过改变遗传算法的种群范围、遗传代数、交叉率及变异率,得到了多种比例电磁阀的结构方案,并进行了部分试验验证。研究结果表明:通过优化方法可以得出比例电磁阀的优化设计参数,优化后的比例电阀输出油压动态响应时间提高了12.5%,油压超调降低了50%,能够满足自动变速器电液换挡控制系统综合要求。 |
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其他语种文摘
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The design and optimization method for the key parameters of proportional solenoid valve used for automatic transmissions are explored. The operating principle of valve is investigated based on the structural analysis. The proportional solenoid valve is divided into 3 components, including electro-magnet, mechanical component, and hydraulic component. The mathematical models for the three components are built separately, and the key factors which influence its response time and pressure dynamic output are analyzed. The optimization design of electro-mechanical converter is performed. The relationship between electromagnetic force and input current is determined, and the genetic algorithm is used to optimize and analyze the proportional solenoid valve by taking the valve mass, spring stiffness, initial compression of spring and viscous damping coefficient as optimized parameters, and the response time and overshoot of output pressure as optimized object. Several structure schemes of proportional solenoid valve are obtained by changing the scope of population, the number of the generation, the crossing-over rate and the mutation rate. The research results show that the dynamic response of output is improved by 12.5%,and the overshoot of output pressure is decreased by 50% after optimization. |
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来源
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兵工学报
,2014,35(5):590-596 【核心库】
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DOI
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10.3969/j.issn.1000-1093.2014.05.003
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关键词
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控制科学与技术
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自动变速器
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比例电磁阀
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优化设计
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遗传算法
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地址
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1.
北京理工大学机械与车辆学院, 北京, 100081
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内蒙古第一机械集团有限公司车辆工程研究院, 内蒙古, 包头, 014030
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-1093 |
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学科
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公路运输 |
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基金
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国家863计划
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文献收藏号
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CSCD:5151298
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