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http://dx.doi.org/10.6113/TKPE.2010.15.5.343

Robust Speed Control of a Permanent Magnet Synchronous Motor using a Fuzzy Logic Controller  

Choi, Young-Sik (동국대 전자전기공학부)
Yu, Dong-Young (동국대 전자전기공학부)
Jung, Jin-Woo (동국대 전자전기공학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.15, no.5, 2010 , pp. 343-351 More about this Journal
Abstract
This paper proposes a new fuzzy speed controller based on the Takagi-Sugeno fuzzy method to achieve a robust speed control of a permanent magnet synchronous motor (PMSM). The proposed controller requires the information of the load torque, so the second-order load torque observer is used to estimate it. The LMI condition is derived for the existence of the proposed fuzzy speed controller, and the gains of the controller are provided. It is proven that the augmented control system including the fuzzy speed controller and the load torque observer is exponentially stable. To evaluate the performance of the proposed fuzzy speed controller, the simulation and experimental results are presented under motor parameter variations. Finally, it is clearly verified that the proposed control method can accurately control the speed of a permanent magnet synchronous motor.
Keywords
Fuzzy speed control; Load torque observer; PM synchronous motor;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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