Yongsoo Cho, Kyo-Beum Lee, Joong-Ho Song, and Young Il Lee, "Torque-Ripple Minimization and Fast Dynamic Scheme for Torque Predictive Control of Permanent-Magnet Synchronous Motors," IEEE Transactions on Power Electronics, vol. 30, no. 4, pp. 2182–2190, A > Paper

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Paper

International Journals Yongsoo Cho, Kyo-Beum Lee, Joong-Ho Song, and Young Il Lee, "Torque-Ripple Minimization and Fast Dynamic Scheme for Torque Predictive Control of Permanent-Magnet Synchronous Motors," IEEE Transactions on Power Electronics, vol. 30, no. 4, pp. 2182–2190, Apr. 2015. -SCI

2015

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This paper proposes a simple and effective method to reduce torque ripples for the torque predictive control (TPC) of permanent-

magnet synchronous motors (PMSMs). The conventional TPC analyzes the relationship among the electrical torque, stator flux, and

stator voltage using the magnitude of the stator voltage vector of PMSMs to obtain the angle of the reference voltage vector and

accurately control the torque. In addition, the statorflux control uses the hysteresis method. However, the voltage vector that can be

chosen in an inverter is limited because the conventional TPC fixes the magnitude of the reference voltage vector, and thus, a large

torque ripple is generated in the low-speed region. The proposed TPC does not fix but varies the magnitude of the reference voltage

vector using both the torque and flux error information. Therefore, it not only has the fast dynamic of a direct torque control but

also can reduce effectively the torque ripple. The proposed method is proven by the simulation and experimental results, and the

proposed algorithm provides an excellent steady-state response and fast dynamics. 

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