中国机械工程 ›› 2011, Vol. 22 ›› Issue (2): 215-219,242.

• 机械基础工程 • 上一篇    下一篇

2D数字伺服阀频率特性研究

李胜;阮健;孟彬
  

  1. 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,杭州,310014
  • 出版日期:2011-01-25 发布日期:2011-01-27
  • 基金资助:
    国家自然科学基金资助项目(50975258);浙江大学流体传动与控制国家重点实验室资助项目(GZKF-2008005)
    National Natural Science Foundation of China(No. 50975258)

Study on Frequency Response for a 2D Digital Servo Valve

Li Sheng;Ruan Jian;Meng Bin
  

  1. Key Laboratory of Special Purpose Equipment and Advanced Processing Technology,Ministry of Education,Zhejiang University of Technology,Hangzhou,310014
  • Online:2011-01-25 Published:2011-01-27
  • Supported by:
    National Natural Science Foundation of China(No. 50975258)

摘要:

阐述了2D数字伺服阀的工作原理,建立了电-机械转换器的数学模型并进行了仿真分析,设计了2D数字伺服阀控制器,并对电-机械转换器及样阀进行了实验研究。理论和实验结果均表明,该电-机械转换器具有良好的频率特性,-3dB、-90°处的频宽约为250Hz。2D数字伺服阀在25%的最大阀开口下对应-3dB的频宽约为130Hz。

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Abstract:

The working principles of a 2D digital servo valve were described firstly, then the mathematical model of electro-mechanical converter was established and simulation analysis was executed. Finally a special controller for 2D digital servo valve was designed and the experimental research of electro-mechanical converter and the prototype of 2D digital servo valve were performed. Both theoretical simulation and experimental study illustrate that the electro-mechanical converter has an excellent dynamic response
whose frequency width is 250Hz at -3dB and -90° approximately, and the frequency width of 2D digital servo valve is about 130 HZ at 25% maximum spool displacement.

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