A new fuzzy-PT-based torque controller for DTC of induction motor drives

F Patkar, N Rumzi, N Idris… - … Conference on Power …, 2005 - ieeexplore.ieee.org
2005 International Conference on Power Electronics and Drives Systems, 2005ieeexplore.ieee.org
It is well established that the implementation of conventional DTC drive consisting of
hysteresis-based torque controller suffers from high torque ripple and variation in switching
frequency problems. One of the many approaches to tackle this problem is by introducing a
non-hysteresis-based torque controller. This paper presents the simulation and analysis of a
proposed fuzzy PI-based torque controller for DTC of induction motor drives. Comparisons
and analysis between the proposed controller and the hysteresis-and PI-based controllers …
It is well established that the implementation of conventional DTC drive consisting of hysteresis-based torque controller suffers from high torque ripple and variation in switching frequency problems. One of the many approaches to tackle this problem is by introducing a non-hysteresis-based torque controller. This paper presents the simulation and analysis of a proposed fuzzy PI-based torque controller for DTC of induction motor drives. Comparisons and analysis between the proposed controller and the hysteresis - and PI -based controllers are presented. The results show that the proposed controller managed to reduce the torque ripple and produce a constant device switching frequency
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