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《Proceedings of the Csee》 2003-09
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STUDY ON INDEPENDENT CONTROL OF THE LEVITATION SUBSYSTEM OF BEARINGLESS INDUCTION MOTORS

DENG Zhi-quan, WANG Xiao-lin, LI Bing, HE Li-gao, YAN Yang-guang (Department of Electrical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)  
The independent control of motor winding and levitation winding is a effective way of super high speed operation for bearingless induction motors. To this strong coupled complicated nonlinear system, a independent levitation winding control subsystem is proposed in which the needed air gap flux linkage of motor winding is identified by the voltage-model method. In this case, not only the super high speed operation become possible, but also various speed regulation method can be adopted for the motor winding , Especially the application of low cost, high reliability general-purpose inverter will improve the practibility greatly. The experiment shows good performance of radial levitation based on the proposed algorithm.
【Fund】: 国家自然科学基金(59977009);; 航空基础科学基金(99F52044);; 国防基础研究基金(k1600060603)~~
【CateGory Index】: TM343
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