Genetically Enhanced Intelligent Speed Control for Induction Machines Using Direct Torque Control

2011 ◽  
Author(s):  
Fernando David Ramirez Figueroa ◽  
Alfredo Victor Mantilla Caeiros
Keyword(s):  
Direct Torque Control ◽  
Speed Control ◽  
Induction Machines ◽  
Torque Control

Simulink Implementation of Direct Torque Control Drive for Induction Machines

2011 ◽  
Vol 367 ◽  
pp. 89-96
Author(s):  
U. Zangina ◽  
H.N. Yahaya ◽  
M. Aminu ◽  
Z.O. Niyi
Keyword(s):  
Control Method ◽  
Direct Torque Control ◽  
Induction Machine ◽  
Induction Machines ◽  
Torque Control ◽  
Control Technique ◽  
Computational Time ◽  
Suitable Alternative ◽  
Control Scheme ◽  
Transient Operations

Direct Torque Control (DTC) has emerged over the last two decades as a suitable alternative to the well-known Field Oriented Control (FOC) or vector control technique for electric drives mainly due to its simple control scheme, low computational time and reduced parameter sensitivity. In this paper, speed control of an induction machine based on DTC strategy has been developed and a comprehensive study is presented. The performance of the control method has been demonstrated by simulations using the Matlab/Simulink software package. Several numerical simulations have been carried out in steady state and transient operations.

Constant Frequency Torque Controller for DTC with Multilevel Inverter of Induction Machines

2016 ◽  
Vol 7 (1) ◽  
pp. 28
Author(s):  
Norjulia Mohamad Nordin ◽  
Naziha Ahmad Azli ◽  
Nik Rumzi Nik Idris ◽  
Nur Huda Ramlan ◽  
Tole Sutikno
Keyword(s):  
Dynamic Performance ◽  
Direct Torque Control ◽  
Induction Machines ◽  
Torque Control ◽  
Multilevel Inverter ◽  
Switching Frequency ◽  
Constant Frequency ◽  
Hysteresis Controller ◽  
High Torque ◽  
Simulation Results

Direct Torque Control using multilevel inverter (DTC-MLI) with hysteresis controller suffers from high torque and flux ripple and variable switching frequency. In this paper, a constant frequency torque controller is proposed to enhance the DTC-MLI performance. The operational concepts of the constant switching frequency torque controller of a DTC-MLI system followed by the simulation results and analysis are presented. The proposed system significantly improves the DTC drive in terms of dynamic performance, smaller torque and flux ripple, and retain a constant switching frequency.

Evaluation of Speed and Torque Estimations for the EKF-based Direct Torque Control in Induction Machines

2014 ◽  
Vol 12 (11) ◽  
Author(s):  
Ibrahim Mohd Alsofyani ◽  
Nik Rumzi Nik Idris ◽  
Y.A. Alamri ◽  
Low Wen Yao ◽  
Sajjad A. Anbaran
Keyword(s):  
Direct Torque Control ◽  
Induction Machines ◽  
Torque Control
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