| 直动式电液比例减压阀频响特性研究 |
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| 引用本文： | 胡燕平,甄海华,姚佳.直动式电液比例减压阀频响特性研究[J].机床与液压,2010,38(19). |
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| 作者姓名： | 胡燕平 甄海华 姚佳 |
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| 作者单位： | 湖南科技大学机电工程学院,湖南湘潭,411201 |
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| 基金项目： | 湖南省教育厅重点资助项目 |
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| 摘 要： | 建立直动式三通比例减压阀动态数学模型和Simulink仿真模型,对其在不同出口容腔体积时的频率响应特性进行仿真;构建比例减压阀频响特性试验系统,完成直动式三通比例减压阀频响特性试验。分析与试验表明:比例减压阀的频响带宽与阀的出口容腔体积有直接关系,当出口容腔体积从1.6×10-4m3增加到300×10-4m3时,在额定流量和信号振幅为平均值的33%时比例减压阀-3dB带宽从9Hz减小到0.2Hz。
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| 关 键 词： | 直动式电液比例减压阀 频响特性 仿真 容腔体积 |
The Investigation on Frequency Response Characteristics of Direct Operated Electro-hydraulic Proportional Pressure-reducing Valve |
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| HU Yanping,ZHEN Haihua,YAO Jia.The Investigation on Frequency Response Characteristics of Direct Operated Electro-hydraulic Proportional Pressure-reducing Valve[J].Machine Tool & Hydraulics,2010,38(19). |
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| Authors: | HU Yanping ZHEN Haihua YAO Jia |
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| Affiliation: | HU Yanping,ZHEN Haihua,YAO Jia(School of Electromechanical Engineering,Hunan University ofScience and Technology,Xiangtan Hunan 411201,China) |
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| Abstract: | |
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| Keywords: | Direct operated electro-hydraulic proportional pressure-reducing valve Frequency-response characteristic Simulation Outlet volume |
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