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2 Bulletin of the Polish Academy of Sciences. Technical Sciences

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Unified approach to the sliding-mode control and state estimation – application to the induction motor drive

Orlowska-Kowalska T., Tarchala G.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2013

Vol. 61, nr 4

837--846

In this paper a generalized design procedure of the sliding mode systems is described. A unified approach is applied to control and state variables estimation algorithms. Selected solutions are then applied in the induction motor drive system. An identical design procedure is used to design the speed control and MRAS-type speed estimator. Presented algorithms are verified using experimental tests performed on the 3 kW laboratory setup.

Influence of the stator winding resistance on the field-weakening operation of the DRFOC induction motor drive

Nguyen-Thac K., Orlowska-Kowalska T., Tarchala G.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2012

Vol. 60, nr 4

815-823

In this paper, an analysis of the influence of the stator winding resistance on the field-weakening operation of the induction motor drive based on the Direct Rotor Flux Oriented Control (DRFOC) is presented. Two scenarions of the optimal field-weakening algorithm (with and without stator winding resistance taken into account) have been compared and verified through simulation and experiment, under different operation conditions of the DRFOC drive system with 3 [kW] induction motor.