| 2D数字伺服阀的简介 |
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| 引用本文： | 时梦,阮健,李胜,郭剑波,吕敏健.2D数字伺服阀的简介[J].液压气动与密封,2012,32(11):64-67. |
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| 作者姓名： | 时梦 阮健 李胜 郭剑波 吕敏健 |
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| 作者单位： | 浙江工业大学 特种装备制造与先进加工技术教育部重点实验室,浙江杭州,310014 |
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| 基金项目： | 国家自然科学基金资助项目，浙江大学流体传动与控制国家重点实验室资助项目 |
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| 摘 要： | 该文主要阐述了2D数字伺服阀的结构原理及工作原理,建立了电—机械转换器的数学模型,设计了2D数字伺服阀控制器。为了获得电—机械转换器及样阀的性能,对其进行了实验研究,实验结果表明,该电—机械转换器具有良好的频率特性,对应-3dB、-90°的频宽约为250Hz;2D数字伺服阀具有良好的静态、动态性能,其分辨率与滞环皆在1%以内,阀在25%满量程正弦输入信号下,对应-3dB、-90°的频宽约为130Hz。
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| 关 键 词： | 2D阀 伺服阀 电-机械转换器 静态特性 动态特性 |
Brief Introduction of 2D Digital Servo Valve |
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| SHI Meng
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RUAN Jian
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LI Sheng
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GUO Jian-bo
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LV Min-jian.Brief Introduction of 2D Digital Servo Valve[J].Hydraulics Pneumatics & Seals,2012,32(11):64-67. |
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| Authors: | SHI Meng RUAN Jian LI Sheng GUO Jian-bo LV Min-jian |
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| Affiliation: | (Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education,Zhejiang University of Technology, Hangzhou 310014,China) |
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| Abstract: | n this paper, the structure principle and the working principle of 2D digital servo valve Iwere mainly described, the mathematical model of electro-mechanical converter was established, and a special controller of 2D digital servo valve was designed. Electro-mechanical converter and the proItotype of 2D digital servo valve were experimentally researched for their performances, the experimental results show that the electro-mechanical converter has an excellent dynamic response whose frequency width is 250Hz at - 3dB and -90°approximately; 2D digital servo valve has excellent static characteristics and dynamic characteristics, both its resolution ratio and hysteresis control are in 1%, the frequency width is 130Hz at -3dB and -90°approximately at 25% maximum spool displacement. |
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| Keywords: | 2D valve servo valve electro-mechanical converter static characteristic dynamic characteristic |
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