通过建立无轴承异步电机在同步旋转的d-q坐标系下的电路-磁路模型的状态方程,将无轴承异步电机输出方程简单求导,得到所需的坐标变换和非线性状态反馈,实现了无轴承异步电机转矩绕组的输入输出线性化。将复杂系统解耦成两个独立的线性子系统,使用Matlab求解仿真分析,验证其为复杂的非线性系统,然后根据精确线性化理论证明了可以对电机进行精确线性化,并根据反馈坐标变换,求出了线性化的结果,最后提出对线性化的展望。
This paper discussed the bearingless induction motor s circuit-magnetic field state equationin synchronization rotary coordinate,circuit-magnetic field state equation was validated by Matlab and proved that it can go along linearzation.Basing feedback coordinate switch,circuit magnetic field state equation was precision linearization.