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Content available A modified PWM three intervals control for a matrix converter in real time
Rezaoui M. M., Nezli L., Mahmoudi M. O., Kouzou A., Abu Rub H.
Archives of Control Sciences
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2014
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Vol. 24, no. 1
85--98
EN
In this paper, the application of the proposed control strategy PWM three intervals with 3×5 matrix converter is presented and analyzed. This control strategy is developed for the control of the multi-phases matrix converter, where the main aim is to ensure the waveform quality of the output voltages and the input currents based on the THD evaluation. Simulation results and real time implementation on dSpace 1103 of 3×5 matrix converter under R-L load are presented for the validation of the proposed control strategy and to clarify the main related advantages.
2
Content available Evaluation of the Shunt Active Power Filter apparent power ratio using particle swarm optimization
Kouzou A., Mahmoudi M. O., Boucherit M. S.
Archives of Control Sciences
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2010
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Vol. 20, no. 1
47-76
EN
The main objective of this present paper is the study of the Shunt Active Power Filter (APF) compensations capability for different perturbations in AC power system such as current unbalance, phase shift current and undesired harmonics generated by nonlinear load and/or by the power system voltage. This capability is determined by the maximum rate of the apparent power that can be delivered. This study is based on the definition of the effective apparent power as defined in IEEE 1459-2000 which was proved to be the suitable amount to be concerned in the design process of different devices.
3
Content available Backstepping/DTC control of a double star synchronous machine drive
Boudana D., Nezli L., Tlemcani A., Mahmoudi M. O., Djemai M., Tadjine M.
Archives of Control Sciences
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2010
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Vol. 20, no. 2
227-247
EN
Direct torque control (DTC) allows for very high quality torque control without a need for current controllers tuning or using coordinate transformation. However, barge torque ripples arise as well as inconstant inverter switching frequency due to the hysteresis of comparators. This paper present a backstepping/DTC control based on the space vector modulation (SVPWM) for double star synchronous machine (DSSM) to reduce the torque, flux, current and speed pulsations during steady state. By the coordinate transformation the DSSM models are presented in view of control. Then a conventional DTC is developed to get a decoupled system and a PI controller is designed to control the speed. To improve the static and dynamic control performance of the DSSM, the speed controller is designed using a backstepping/DTC procedure in conjunction with SVPWM. Simulation results with the conventional DTC and proposed backstepping/DTC are presented and compared. Results show the effectiveness and the robustness of the approach proposed.
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