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基于转子不平衡响应的磁轴承磁力参数辨识

刘超 刘刚

刘超, 刘刚. 基于转子不平衡响应的磁轴承磁力参数辨识[J]. 北京航空航天大学学报, 2015, 41(7): 1246-1252. doi: 10.13700/j.bh.1001-5965.2014.0516
引用本文: 刘超, 刘刚. 基于转子不平衡响应的磁轴承磁力参数辨识[J]. 北京航空航天大学学报, 2015, 41(7): 1246-1252. doi: 10.13700/j.bh.1001-5965.2014.0516
LIU Chao, LIU Gang. Parameter identification of magnetic bearing based on rotor unbalance responses[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1246-1252. doi: 10.13700/j.bh.1001-5965.2014.0516(in Chinese)
Citation: LIU Chao, LIU Gang. Parameter identification of magnetic bearing based on rotor unbalance responses[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(7): 1246-1252. doi: 10.13700/j.bh.1001-5965.2014.0516(in Chinese)

基于转子不平衡响应的磁轴承磁力参数辨识

doi: 10.13700/j.bh.1001-5965.2014.0516
基金项目: 国家自然科学基金(61374029)
详细信息
    作者简介:

    刘超(1987—),男,山东德州人,博士研究生,zjhbliu@sina.com

    通讯作者:

    刘刚(1970—),男,山东济南人,教授,lgang@buaa.edu.cn,研究方向为航天器惯性执行机构设计制造及应用技术.

  • 中图分类号: V448.22

Parameter identification of magnetic bearing based on rotor unbalance responses

  • 摘要: 针对磁轴承磁力参数理论设计值不精确的问题,提出了一种基于不平衡响应的磁力参数实验辨识方法.利用转子的质量不平衡在高速转动时的离心力效应,通过检测磁轴承在零电流控制状态下的同频位移响应和零位移控制状态下的同频电流响应,解算磁轴承磁力参数.设计了基于通用陷波器原理的零位移控制器和零电流控制器,并通过设置T矩阵保证闭环系统稳定.实验结果表明:基于不平衡响应的磁力参数辨识方法,辨识结果与理论设计值差别在20%之内,证明了该方法的正确性和改进磁轴承力学参数的有效性.

     

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出版历程
  • 收稿日期:  2014-08-20
  • 修回日期:  2014-10-11
  • 刊出日期:  2015-07-20

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