基于模糊补偿的无轴承同步磁阻电机径向位置逆控制

给出无轴承同步磁阻电机转子径向位置的控制模型,针对多变量、强耦合的径向位置非线性系统,提出一种基于模糊补偿的被控电机转子径向位置逆控制方法,证明该径向位置系统可逆,推导出其逆系统模型,将其精确线性化成一个伪线性系统,从而将径向位置系统解耦为两个独立的二阶线性子系统.为对已解耦的径向位置系统进行综合,在常规PID控制器基...

Inverse Control of Radial Position for Bearingless Synchronous Reluctance Motor Based on Fuzzy Compensation

Control model of the rotor radial position for bearingless synchronous reluctance motor was introduced,in order to deal with the multivariable,strongly coupled and nonlinear system in the rotor radial position,the inverse control scheme of the rotor radial position based on fuzzy compensation was presented,the inverse system′s existence was proved,and the inverse model was derived,then the inverse model was accurately linearized into a pseudo linear system,so the system of rotor radial position can be decoupled into two second order linear integral subsystems.In order to synthesize the decoupled system,the closed fuzzy compensator which includes PID controller and fuzzy controller was designed,the fuzzy compensator not only can real-time compensate the decoupled effectiveness but also improve the robustness of the control system.Simulation results demonstrate that the rotor can realize a successful magnetic suspension with the proposed method,the control system has good dynamic and static decoupling characteristics.