基于坐标变换的无轴承异步电机转子振动前馈补偿控制
Rotor vibration feedforward compensation control in bearingless induction motor based on coordinate transformation
摘要
Abstract
To solve the rotor mass eccentric problem caused by mechanical imbalance for the bearingless induction motor at high speed, a rotor vibration feedforward compensation control system was designed based on coordinate transformation. The vibration signal was extracted from the displacement signal by rotating coordinatetransformation and was added to the original radial suspension force control system. Then, a feedforward compensator was formed, which increased the given period radial suspension force component control signal and amplified the stiffness of the vibration signal of the radial suspension force control system.Therotor vibration was suppressed by forcing the rotor rotating aroundits geometric centeraxis. Theresults show that the compensated rotor vibration peak to peak valuein simulationis about 11µm at the speed of 6000r/min. The vibration of suspension rotor can be effectively restrained and the precision of rotor is improved in this controlstrategy.The presentedfeedforwardcompensation control method can make the peak to peak value of rotor radial displacement range within 40μm. The correctness and effectiveness of the proposed method are verified.关键词
无轴承异步电机/转子质量偏心/振动抑制/前馈补偿控制Key words
bearingless induction motor/rotor eccentric mass/vibration suppression/feedforward compensation control分类
信息技术与安全科学引用本文复制引用
杨泽斌,董大伟,孙晓东,金仁,余佩玉..基于坐标变换的无轴承异步电机转子振动前馈补偿控制[J].中南大学学报（自然科学版）,2016,47(5):1543-1550,8.基金项目
国家自然科学基金资助项目(61104016,51475214,51305170)；江苏省自然科学基金资助项目(BK20141301,BK20130515, BK20150524)；江苏省“六大人才高峰”项目(2014ZBZZ-017,2015XNYQC-003)；中国博士后科学基金资助项目(2015T80508,2014T70482)；江苏大学高级人才科研启动项目(14JDG076)；江苏高校优势学科建设工程项目(2014)(Projects(61104016,51475214,51305170)supported by theNational Natural Science Foundation of China （61104016,51475214,51305170）
Projects(BK20130515,BK20141301,BK20150524)supported bythe Natural Science Foundation of Jiangsu Province of China （BK20130515,BK20141301,BK20150524）
Projects(2014ZBZZ-017,2015XNYQC-003) supported by theSixCategoriesTalentPeak of Jiangsu Province （2014ZBZZ-017,2015XNYQC-003）
Projects(2015T80508,2014T70482)supported byChina Postdoctoral Science Foundation （2015T80508,2014T70482）
Project(14JDG076) supported bythe Professional Research Foundation for Advanced Talents of Jiangsu University （14JDG076）
Project(2014)supported by thePriority Academic Program Development of Jiangsu Higher Education Institutions) （2014）
