Abstract
Three phase permanent magnet synchronous motor (PMSM) is a strong coupling and complex nonlinear system. After the coordinate transformation of PMSM model, the static decoupling can be realized between the direct axis and the quadrature axis. However, there are still cross coupling problems in the dynamic regulation process, and the higher the speed, the more serious the coupling. In order to solve the above problems, a current cross coupling compensation controller is added to the current decoupling control of three-phase permanent magnet synchronous motor. The simulation results show that the control strategy has good control effect and can realize the stable operation of three-phase permanent magnet synchronous motor under certain load disturbance.
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