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新型主动液压滤波器的设计与分析

荆慧强 张晓宁 李艳芬 付永领

荆慧强, 张晓宁, 李艳芬, 等 . 新型主动液压滤波器的设计与分析[J]. 北京航空航天大学学报, 2013, 39(8): 1091-1095.
引用本文: 荆慧强, 张晓宁, 李艳芬, 等 . 新型主动液压滤波器的设计与分析[J]. 北京航空航天大学学报, 2013, 39(8): 1091-1095.
Jing Huiqiang, Zhang Xiaoning, Li Yanfeng, et al. Design and analysis of a new kind of hydraulic active filter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(8): 1091-1095. (in Chinese)
Citation: Jing Huiqiang, Zhang Xiaoning, Li Yanfeng, et al. Design and analysis of a new kind of hydraulic active filter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(8): 1091-1095. (in Chinese)

新型主动液压滤波器的设计与分析

基金项目: 科技部国际合作资助项目(2010DFA7254)
详细信息
  • 中图分类号: V22

Design and analysis of a new kind of hydraulic active filter

  • 摘要: 针对目前主动液压滤波器体积大、结构复杂等问题,提出了一种占用空间小、结构简单的新型主动液压滤波器. 采用计算流体动力学在时域内对滤波器所载流体域进行了压力分布计算,分别对三组可控参数激励位移幅值Dm及频率fm作用下的流体域进行分析,通过比较分析发现,Dmfm的选择决定着该液压滤波器性能的优劣,如果二者与原始非定常流幅频特性匹配较好,则该液压滤波器滤波效果良好,反之,会使系统压力脉动变的极不稳定,这与波的干涉原理相互吻合. 算例计算结果表明,当激励频率与初始非定常流频率重合达525 Hz,且激励幅值达0.05 mm时,系统的压力脉动峰峰值可从2.26 MPa降到0.25 MPa,即脉动从±5.38%降至±0.6%,说明了该主动液压滤波器的有效性.

     

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出版历程
  • 收稿日期:  2012-09-07
  • 修回日期:  2013-04-12
  • 网络出版日期:  2013-08-30

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