Study on Dynamic Performance of Linear Direct Drive Based on Pole Placement

Abstract:

Permanent magnet linear synchronous motors (PMLSM) can serve as direct drive actuators for machine tools. However, PMLSM is more easily affected by load disturbance, force ripple and parameter variation. As a result, the design of an appropriate controller and research on dynamic performance are very important for PMLSM. In this paper, a feedback controller based on pole-placement is proposed to achieve desired tracking performance. The effectiveness and feasibility of the proposed method are demonstrated through theoretical analysis. The dynamic response and disturbance rejection ability for linear servo system were researched and the parameters which influence the dynamic performance of the system were discussed.

• Periodical: Applied Mechanics and Materials (Volumes 215-216)
• Pages: 926-929
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.215-216.926
• Online since: November 2012
• Authors: Chao Pan, Jian Min Zuo, Mu Lan Wang
• Keywords: CNC Machine Tool, Dynamic Performance, Linear Direct Drive, Pole Placement

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