2012•Advanced materials researchOpen access

Research of Permanent Magnet Synchronous Motor Speed Control System Based on DSP

Hui Wang, Xue Ren Dong, Xiao Wei Yang, Feng Nan Liu

Abstract

For requirements Permanent magnet synchronous motor (PMSM) speeds control, the digital signal processor (DSP) is used for speed control system of PMSM. By using space vector pulse width modulation (SVPWM) algorithm, system performance is improved, and system costs are reduced. In this paper, the principle of SVPWM is analyzed, and its implementation is described. Through the analysis of permanent magnet synchronous motor in a different coordinate system in the mathematical model system solution is presented, software design for system is described. A DSP-based PMSM speed control system is build, the system is analyzed in MATLAB simulation. That proves the feasibility of the system.

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Available abstract

Key concepts: Digital signal processing, MATLAB, Pulse-width modulation, Digital signal processor, Control engineering, Vector control, Permanent magnet synchronous motor, Control theory (sociology)