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Research and Analysis of Vector Control for Permanent Magnet Synchronous Motor

Wang Ren-feng

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Abstract

In this paper, two vector control models for permanent magnet synchronous motor (PMSM) are established with MATLAB, which are i_d=0 control scheme and the maximum torque per armature current control scheme. By analyzing the two control schemes theoretically, the arithmetic, power factor and the robustness for the parameters of the motor are compared between two control schemes. Research shows that the power factor with maximum torque per armature current control scheme is better, but the arithmetic is more complicated, and the robustness is worse. The experiments results are also discussed.

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What this paper is about

In this paper, two vector control models for permanent magnet synchronous motor (PMSM) are established with MATLAB, which are i_d=0 control scheme and the maximum torque per armature current control scheme. By analyzing the two control schemes theoretically, the arithmetic, power factor and the robustness for the parameters of the motor are compared between two control schemes. Research shows that the power factor with maximum torque per armature current control scheme is better, but the arithmetic is more complicated, and the robustness is worse. The experiments results are also discussed.

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Available abstract

In this paper, two vector control models for permanent magnet synchronous motor (PMSM) are established with MATLAB, which are i_d=0 control scheme and the maximum torque per armature current control scheme. By analyzing the two control schemes theoretically, the arithmetic, power factor and the robustness for the parameters of the motor are compared between two control schemes. Research shows that the power factor with maximum torque per armature current control scheme is better, but the arithmetic is more complicated, and the robustness is worse. The experiments results are also discussed.

Key concepts: Control theory (sociology), Robustness (evolution), Permanent magnet synchronous motor, MATLAB, Armature (electrical engineering), Torque, Vector control, Direct torque control

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