交替极永磁无轴承电机的直接悬浮力控制  

Direct Levitation Force Control of a Consequent-Pole Permanent Magnet Bearingless Motor

作　　者：仇志坚[1] 邓智泉[2] 章跃进[1] 

机构地区：[1]上海大学机电工程与自动化学院,上海200072 [2]南京航空航天大学自动化学院,南京210016

出　　处：《电工技术学报》2011年第9期94-99,共6页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金(51007051);科技重大专项(2009zx04010-033-02)资助项目

摘　　要：通过借鉴永磁同步电机直接转矩控制(PMSM-DTC)的思想,将直接转矩控制的理论和方法应用到永磁型无轴承电机磁悬浮力的控制上去,提出了一种新颖的基于空间矢量脉宽调制(SVPWM)方法的直接悬浮力控制算法,并在一台交替极无轴承永磁电机上进行了实验验证,结果表明该控制思想的正确性和有效性。With the reference of direct torque control of conventional permanent magnet synchronous motor,a novel direct levitation force control algorithm based on space vector pulse width modulation method is proposed in this paper.To control radial magnetic levitation forces in permanent magnet-type bearingless motors directly,a profound theoretical analysis on mechanism of direct force control is presented and a real-time levitation force and torque control system is also designed.The experimental results of a consequent-pole permanent magnet bearingless machine show good performance of static and dynamic suspension and confirm the validity and availability of this new arithmetic.

关 键 词：交替极永磁电机 无轴承电机 空间矢量脉宽调制 悬浮力 直接控制 

分 类 号：TM301[电气工程—电机]