¹ School of Electrical Engineering and Automation, Henan polytechnic University, Jiao Zuo, China Control Engineering Open Lab. of Key Subjects of Henan, Henan polytechnic University, Jiao Zuo, China
² School of Electrical Engineering and Automation, Henan polytechnic University, Jiao Zuo, China
³ School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, China

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Abstract—Although the permanent magnet linear synchronous motor has been used in industry gradually, it has some drawbacks to restrict the using region. In order to overcome the disadvantages, the advanced control strategies were adopted to improve the performance of PMLSM. In the paper, the field oriented control and direct torque control strategies were researched, their control model was established respectively, so that their simulation results were given to rectify the control effects. Though the comparative analysis, it is showed that the FOC has quickly dynamic response to track the system performance although its mathematic model is more complex, the DTC also has quickly dynamic response, but its torque and flux linkage have more obvious pulsation.

Index Terms—comparative, field oriented control, direct torque control, permanent magnet linear synchronous motor.

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Cite: Jun Zhu, Xudong Wang, Baoyu Xu, Haichao Feng, and Xiaozhuo Xu, " A Comparative Study on Field Oriented Control and Direct Torque Control for Permanent Magnet Linear Synchronous Motor," Journal of Computers vol. 8, no. 1, pp. 256-263, 2013.