PUBLICATIONS
Paper
[International Journals] Kyo-Beum Lee and Frede Blaabjerg, “Disturbance Observer-Based Simple Nonlinearity Compensation for Matrix Converter Drives,” Research Letters in Electronics, on-line publish, 2009.
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This paper presents a new method to compensate the nonlinearity for matrix converter drives using disturbance observer. The
nonlinearity of matrix converter drives such as commutation delay, turn-on and turn-off time of switching device, and on-state
switching device voltage drop is modeled by disturbance observer and compensated. The proposed method does not need any
additional hardware and offline experimental measurements. The proposed compensation method is applied for high performance
induction motor drives using a 3 kW matrix converter system without a speed sensor. Simulation and experimental results show
that the proposed method using disturbance observer provides good compensating characteristics.
