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《Electric Machines and Control》 2006-05
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The analytical model of Maxwell magnetic suspension force of twopole bearingless motor

BU Wen-shao~(1,2),HUANG Sheng-hua~1,WAN Shan-ming~1(1.Electrical and Electronics Engineering College,Huazhong University of Sci.and Tech.,Wuhan 430074,China;2.Electronics and Info Engineering College,Henan University of Sci.and Tech.,Luoyang 471003,China)  
To solve the problem that relevant electromagnetic parameters can't be measured adequately and of being difficult to control the magnetic suspension force correctly,each inductance-parameter's accurate calculating model of two-pole bearingless motors with four-pole suspension windings and cylindrical iron core rotor is analyzed and deduced in detail,based on the motor's magnetic circuit principium.Based on these inductance models and virtual placement principium,the Maxwell magnetic suspension force's universal calculating model is deduced in detail.And based on the general magnetic suspension force model and the specificities of SPM and induction type of bearingless motors,their magnetic suspension force's calculating models are given,and the decoupling control strategies are analyzed respectively.The theory foundation is made solidly for the next study of dynamic representation of two-pole bearingless motor and the study of the devising of the decoupling controller with higher accuracy.
【Fund】: 湖北省自然科学基金项目(2005ABA301)
【CateGory Index】: TM359.9
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