Design and Simulation of Vector Control for Permanent Magnet Synchronous Motors

Permanent magnet synchronous motors are widely used for their good performance such as high torque-to-inertia ratio and high energy density, but the PMSM system is a multivariable, variable-parameter nonlinear system. The existence of various parameter settings and other disturbing factors will have an impact on the overall performance of the PMSM system. To address this problem, this paper proposes an optimization method based on fuzzy cluster analysis, which can comprehensively evaluate multiple control parameters, optimize them, and derive the optimal parameters of the system. A magnetic field direction vector control strategy is adopted to construct a complete PMSM synchronous drive simulation platform. Firstly, the basic equation circuit is analyzed, the coordinate transformation of the basic equation is carried out, and the vector control orientation study is proposed on the basis of analyzing various control methods of PMSM. Secondly, the design of the drive system is carried out, and different dynamic mathematical models and operating characteristic curves of permanent magnet synchronous motors in different coordinate systems are analyzed. Finally, the drive system model based on vector control is established to study the operation characteristics under different operation modes, the simulation verification of the mathematical model is completed to prove the feasibility.