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Decoupling Control for Induction-Type Bearingless Motor

Cao Jianrong Yu Lie Xie Youbai(Xi'an Jiaotong University 710049 China)  
A decoupling control approach has been developed for a nonlinear system of an induction type bearingless motor in which lateral forces can be generated in addition to the torque A nonlinear controller based on dynamic feedback linearization is designed such that the nonlinear system with strongly coupled motion is reduced to four decoupled normalization linear subsystems including two rotor displacements and its speed as well as rotor flux Furthermore,the linear system theory is utilized to improve the transient performance of these normalization linear subsystems To verify the effectiveness of the control scheme,some simulations have been employed,and the results are satisfactory
【Fund】: 国家自然科学基金;; 国家“九五”攀登计划项目 ;; 西安交通大学研究生院博士学位论文基金
【CateGory Index】: TM35
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