流体机械

2008, No.434(08) 32-37+19

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电液比例阀的研究综述及发展趋势
Review and Development Trend of Electro-hydraulic Proportional Valve

张弓,于兰英,吴文海,柯坚
ZHANG Gong,YU Lan-ying,WU Wen-hai,KE Jian(Southwest Jiaotong University

摘要(Abstract):

电液比例阀是电液比例控制技术的核心元件,它按照输入电信号指令,连续成比例地控制液压系统的压力、流量或方向等参数。综述了比例压力阀和比例流量阀国内外的研究进展,并且对比例阀未来的发展趋势进行了展望。
Electro-hydraulic proportional valve is the key component in electro-hydraulic proportional control technique,according to the input electric signal,the parameters such as pressure,flow and direction of hydraulic system are controlled continuously and proportionally.An over review of the proportional pressure valve and proportional flow valve at home and abroad is summarized.Finally,the develpoment trend of proportional valve is discussed.

关键词(KeyWords): 电液比例阀;比例压力阀;比例流量阀;综述
electro-hydraulic proportional valve;proportional pressure valve;proportional flow valve;review

Abstract:

Keywords:

基金项目(Foundation): 国家“863”项目(2006AA09Z226)

作者(Author): 张弓,于兰英,吴文海,柯坚
ZHANG Gong,YU Lan-ying,WU Wen-hai,KE Jian(Southwest Jiaotong University

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