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A current control for a permanent magnet synchronous motor with a simple disturbance estimation scheme

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4 Author(s)
Kyeong-Hwa Kim ; Res. & Dev. Group, Samsun Electron. Co. Ltd., Suwon City, South Korea ; In-Cheol Baik ; Gun-Woo Moon ; Myung-Joong Youn

A current control technique for a permanent magnet synchronous motor (PMSM) with a simple disturbance estimation scheme is proposed. Among the various current control schemes for a PMSM drive, predictive control is known to give a superior performance. This scheme, however, requires the full knowledge of motor parameters. To overcome such a limitation, the disturbances caused by the parameter variations will be estimated by using disturbance observer theory and used for the calculation of the reference voltages by feedforward control. Thus, the control performance can be significantly improved with a relatively simple control algorithm. The proposed control scheme is implemented on a PMSM using DSP TMS320C30 and the effectiveness is verified through the comparative experiments

Published in:

IEEE Transactions on Control Systems Technology  (Volume:7 ,  Issue: 5 )