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磁流变流体挤压油膜阻尼器柔性转子系统动力特性的试验研究
  • ISSN号：1001-9731
  • 期刊名称：《功能材料》
  • 时间：0
  • 分类：O328[理学—一般力学与力学基础;理学—力学] TH133[机械工程—机械制造及自动化]
  • 作者机构：[1]浙江大学,电气工程学院,浙江 杭州 310027
  • 相关基金：国家自然科学基金重点资助项目（10332030）
作者： 祝长生[1]
关键词： 磁流变流体, 阻尼器, 转子, 动力学, 振动控制, magnetorhrologic fluid , damper, rotor, dynamics, vibration control
中文摘要：

通过测量不同激励条件下磁流变流体挤压油膜阻尼器（magnetorheological fluid squeeze filmdamper,简写为MRFSFD）转子系统的运动轨迹和不平衡响应,研究了MRFSFD转子系统的动力特性以及MRFSFD对转子系统动力特性的可控性和对转子系统的振动进行控制的有效性.结果表明MRFSFD的动力特性是可控的,在合理选择激励磁场的条件下MRFSFD能够有效地抑制转子系统的振动.MRFSFD转子系统对激励的响应时间较长,这种阻尼器更适合对转子系统的振动进行半主动控制.利用MRFSFD对转子的振动进行分段控制可以使转子系统平稳地通过多阶临界转速.

英文摘要：

The dynamic behavior of a rotor supported on magnet orheological fluid squeeze film dampers（MRFSFD） ,the controllability and the effectiveness of the MRFSFD to control rotor＇s vibration were experimentally studied in a flexible rotor system with two disks by measuring the rotor motion orbits and the rotor unbalance responses at different magnetic flux densities. The results show that the dynamical characteristics of the MRFSFD are controlled by a simple external magnetic field, the rotor vibration can be effectively suppressed by the MRFSFD with the properly magnetic flux density. The response time of the MRFSFD rotor system to the exciting voltage/current is longer,the MRFSFD is more suitable to use as a semi-active actuator to control rotor＇s vibration. The on-off control can make the rotor system pass through more critical speeds with small vibration.

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期刊信息
  • 《功能材料》
  • 北大核心期刊（2011版）
  • 主管单位:重庆材料研究院
  • 主办单位:重庆材料研究院
  • 主编：黄伯云
  • 地址：重庆北碚区蔡家工业园嘉德大道8号
  • 邮编：400707
  • 邮箱：gnclwb@126.com
  • 电话：023-68264739
  • 国际标准刊号：ISSN：1001-9731
  • 国内统一刊号：ISSN：50-1099/TH
  • 邮发代号:78-6
  • 获奖情况:
  • 2008、2011年连续获中国精品科技期刊,2010获重庆市双十佳期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:30166