中国机械工程2013，Vol.24Issue(6)：730-735,741,7.DOI:10.3969/j.issn.1004-132X.2013.06.005
六极异极性径向永磁偏置磁悬浮轴承的研究
Research on Six Magnetic Poles Heteropolar Radial Permanent Magnet Biased Magnetic Bearing
摘要
Abstract
The configuration and working principle of an innovative six magnetic poles heteropolar radial permanent magnet biased magnetic bearing were introduced. Based on coordinate transformation method,the mathematical models of the suspension forces were deduced. A design principle of bias magnetic field based on maximization of bearing capacity in different directions was presented. The results of finite element simulation and theoretical calculations were compared to analyze the influence of the rotor position and control current. The results show that the levitation force has good linearity in the x and y directions, and the linear range in the x direction is larger. The current stiffness error between theoretical calculation and finite-element simulation is less than 3%, while the displacement stiffness error is much larger.关键词
永磁偏置/异极性/逆变器/坐标变换Key words
permanent magnet biasing/ heteropolar/ inverter/ coordinate transformation分类
机械制造引用本文复制引用
纪历,徐龙祥,金超武..六极异极性径向永磁偏置磁悬浮轴承的研究[J].中国机械工程,2013,24(6):730-735,741,7.基金项目
国家高技术研究发展计划(863计划)资助项目(2006AA05Z205) （863计划）
江苏省产学研联合创新资金资助项目(BY2009102) （BY2009102）
