电磁轴承用电流型开关功放建模及性能测试研究
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摘要
电磁轴承是一种性能极高的新型轴承,是机电一体化且高度集成的产物。电流型开关功放是电磁轴承控制器的核心部分,负责信号的传递与放大,本文重点分析了影响其性能的电流响应速度和控制力响应速度,并对带宽进行了估算。依据实际工况下的电磁轴承参数和电路参数,在Simulink环境中,开展电流型开关功放的仿真实验,并进行了测试。结果表明,建模与实际情况接近,可以为电磁轴承控制领域的研究提供参考。
As a new type bearing with high performance,Active Magnetic Bearing( AMB) is a product of mechatronics and highly integrated. The current-mode switching power amplifier,as the core part of the AMB controller,is responsible for signal transmission and amplification. The current response speed and the response speed of the control force,as well as the bandwidth estimation,are analyzed in detail.According to the electromagnetic bearing parameters and circuit parameters under the actual conditions,the simulation experiments of current mode switching power amplifier are tested in the electromagnetic bearing platform. The results show that the proposed modeling approaches to the practical situation and can provide a reference for the research of electromagnetic bearing control field.
As a new type bearing with high performance,Active Magnetic Bearing( AMB) is a product of mechatronics and highly integrated. The current-mode switching power amplifier,as the core part of the AMB controller,is responsible for signal transmission and amplification. The current response speed and the response speed of the control force,as well as the bandwidth estimation,are analyzed in detail.According to the electromagnetic bearing parameters and circuit parameters under the actual conditions,the simulation experiments of current mode switching power amplifier are tested in the electromagnetic bearing platform. The results show that the proposed modeling approaches to the practical situation and can provide a reference for the research of electromagnetic bearing control field.
引文
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[8]范友鹏,刘淑琴,李红伟.基于干扰观测器的磁轴承开关功放延时补偿[J].电机与控制学报,2013,17(5):103-109.
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[13]DI L,LIN Z. Control of a flexible rotor active magnetic bearing test rig[J]. IEEE/ASME Transactions on Mechatronics,2012,17(6):1170-1182.
[14]刘斌,王常虹,李伟.间隙度量与跟踪系统中的鲁棒控制器设计[J].控制与决策,2010,25(11):1713-1718.
[15]张立,刘昆.基于FPGA的飞轮磁轴承一体化控制系统设计[J].电机与控制学报,2012,16(4):84-90.
[2]HONGWEI L,LEI Z,LEI S. Study on active magnetic bearing controller for HTR-10 helium turbine rotor[J]. Nuclear Power Engineering,2008,9(4):100-103.
[3]周丹,祝长生.采用磁通观测器的主动电磁轴承用功率放大器[J].中国电机工程学报,2009,29(30):90-97.
[4]田拥胜,孙岩桦,虞烈.涡流对电磁轴承开关功放纹波电流的影响[J].中国电机工程学报,2009,29(24):110-114.
[5]崔东辉.高可靠磁悬浮轴承系统关键技术研究[D].南京:南京航空航天大学,2010.
[6]KANG H,OH S Y,SONG O. H∞control of a rotor-magnetic bearing system on linear matrix inequaliyies[J]. Unifying Electrical Engineering and Electeonics Engineering,2011,17(2):291-300.
[7]陈安安.磁悬浮平台系统的研究[D].济南:山东大学,2016.
[8]范友鹏,刘淑琴,李红伟.基于干扰观测器的磁轴承开关功放延时补偿[J].电机与控制学报,2013,17(5):103-109.
[9]朱宁.自动控制理论[M].北京:清华大学出版社,2014.
[10]MILLER D N,CALLAFON R A D. Subspace identifi-cation with eigenvalue constraints[J]. Journal Automatica,2013,49(8):2468-2473.
[11]蒋科坚,祝长生.主动电磁轴承转子系统自适应不平衡补偿控制[J].浙江大学学报(工学版),2011,45(3):503-509.
[12]张剀,戴兴建,张小章.磁轴承超临界高速电机系统控制器设计[J].清华大学学报(自然科学版),2010,50(11):1785-1788.
[13]DI L,LIN Z. Control of a flexible rotor active magnetic bearing test rig[J]. IEEE/ASME Transactions on Mechatronics,2012,17(6):1170-1182.
[14]刘斌,王常虹,李伟.间隙度量与跟踪系统中的鲁棒控制器设计[J].控制与决策,2010,25(11):1713-1718.
[15]张立,刘昆.基于FPGA的飞轮磁轴承一体化控制系统设计[J].电机与控制学报,2012,16(4):84-90.