文档介绍：无轴承异步电机非线性解耦控制的研究关键词:无轴承异步电机非线性解耦控制转矩绕组气隙磁场定向控制单DSP控制悬浮系统独立控制鼠笼转子感应电流径向力反馈控制{本课题受国家自然科学基金(59977009)和航空科学基金(99F52044)资助南京航空航天火学博士学位论文 Abstract Bearingless motor bined characteristicsofmotor and ic is anew type motor which can implement torque control and levitation force control allinthemotor atthesame bearingless technology ofmotors hasthe hermits pactness,high reliability,shortened shaftlength and reduced system size, high speed orhighpower thesame timeitpossibly inherently reduces cost andimproves rotor are alotof kinds ofbearingless motors,among which thebearingless induction motor is one ofthe focuses ofthis research field atpresent due to itssimple structure and high dissertation focuses on the nonlinear decoupling control of the bearingless induction motor including plishment of bearingless induction motor system,single DSP controlling,the independent control of levitationsystem,the influence ofinduce current insquirrel cage caused by levitation controlwinding and theinfluence ofrotor eccentricity. Acontrol system ofbearingless induction motor based on torque winding airgap field oriented vector control thebearingless induction motor is astrongly plicated nonlinear system,the decoupling torque and radiallevitationforceisthebaseofthestableoperation ofbearingless onthe levitationprinciple ofbearingless motor,the torque winding airgap fieldoriented vector control isutilized torealize thedecoupling control ofthenonlinear system even inthe transient case And aiming atsquirrel cage bearingless induction motor,a control system is plished andtested on the laboratory bearingless induction motor is essfully levitatedforthe firstin our country andCan beoperated stable as well as transientconditions. The problems plicated configuration munication delay between the dualwindings ofbearingless induction motor resultintheairgap flux error between dual windings and deter