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Predictive current control with current-error correction for PM brushless AC drives

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3 Author(s)
Wipasuramonton, P. ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield ; Zhu, Z.Q. ; Howe, D.

The performance of the conventional predictive current control (PCC) when applied to a permanent-magnet brushless ac (PM BLAC) drive is analyzed. A technique is proposed to reduce the current errors that arise due to the inaccuracies in the system parameters and the nonideal behavior of the inverter during a steady-state operation. In addition, a current-regulated delta modulator is employed to achieve a fast dynamic response during a transient operation. The performance of the proposed PCC, which is simple to implement on a low-cost fixed-point DSP, is demonstrated experimentally

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Industry Applications, IEEE Transactions on  (Volume:42 ,  Issue: 4 )