摘 要: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。 关键词:无轴承异步电机;仿真;精确线性化;状态方程
Abstract:This paper discussed the bearingless induction motor‘s circuit-magnetic field state equationin synchronization rotary coordinate,circuitmagnetic 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. |