scholarly journals Improvement of Sliding Mode Power Control for WECS based on DFIG-Generator

2020 ◽  
Vol 8 ◽  
pp. 26-33
Author(s):  
Btissam Majout ◽  
Douae Abrahmi ◽  
Yasmine Ihedrane ◽  
Chakib El Bakkali ◽  
Karim Mohammed ◽  
...  
Keyword(s):  
Nonlinear System ◽  
Lyapunov Stability ◽  
Sliding Mode ◽  
International Standards ◽  
Wind System ◽  
Proposed Model ◽  
New Strategy ◽  
Mode Technique ◽  
Sliding Mode Technique

In this work, we are developing a new strategy for controlling wind systems based on the DFIG Generator. The SMC sliding mode technique is based on the principle of Lyapunov stability in order to make a nonlinear system close to linearity. The use of such a technique with an improvement in regulators to eliminate the Chattering phenomenon shows a great improvement in the performance of wind systems. which is based on performance estimators to improve the quality of the system. The energy quality at the output of the wind system will be injected into the distribution network according to international standards. The proposed model is validated on the Matlab & Simulink environment to test trajectory tracking and robustness.

scholarly journals Improvement of sliding mode power control applied to wind system based on doubly-fed induction generator

2021 ◽  
Vol 12 (1) ◽  
pp. 441
Author(s):  
Btissam Majout ◽  
Douae Abrahmi ◽  
Yasmine Ihedrane ◽  
Chakib El Bakkali ◽  
Karim Mohammed ◽  
...  
Keyword(s):  
Reactive Power ◽  
Sliding Mode ◽  
Induction Generator ◽  
Doubly Fed Induction Generator ◽  
Wind System ◽  
Active And Reactive Power ◽  
Proposed Model ◽  
Doubly Fed ◽  
Mode Technique ◽  
Sliding Mode Technique

In this work, we are interested in improving the performance of a doubly-fed induction generator (DFIG)-based wind system, by applying a sliding mode control strategy. The objective is the regulation of the active and reactive power, also the voltage and the frequency of the signal injected into the distribution network. The model proposed for the control is based on the sliding mode technique with performance estimators. The proposed model was validated by a simulation on MATLAB/Simulink.

scholarly journals Robust Control Design of Nonlinear System by Using Back-Stepping-GSA and Sliding Mode Technique

2018 ◽  
Vol 7 (4.33) ◽  
pp. 494
Author(s):  
Sahazati Md Rozali ◽  
Rozilawati Mohd Nor ◽  
Amar Faiz Zainal Abidin ◽  
Muhammad Kamarudin ◽  
Zairi Ismael Rizman
Keyword(s):  
Nonlinear System ◽  
Sliding Mode ◽  
Search Algorithm ◽  
External Disturbance ◽  
Tracking Error ◽  
Gravitational Search Algorithm ◽  
Sliding Mode Controller ◽  
Robust Control Design ◽  
Mode Technique ◽  
Sliding Mode Technique

This work presents the integration of two robust controllers such as back-stepping and sliding mode controller, which is designed for nonlinear system with external disturbance injected to its actuator. Gravitational Search Algorithm (GSA) is applied to the designed controller to optimize the control and reaching law parameters for the system. The dynamics of the system is developed by consider the external force as system’s nonlinearities. The tracking output and tracking error produced by combination of these two controllers is compared with the performance of classical sliding mode controller. Based on the results obtained, integration of these two controllers generates better performance than classical sliding mode controller based on its output and error.  

scholarly journals FPGA in the Loop Implementation for Observer Sliding Mode Control of DFIG-Generators for Wind Turbines

Electronics ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 116
Author(s):  
Houda El Alami ◽  
Badre Bossoufi ◽  
Saad Motahhir ◽  
Eman H. Alkhammash ◽  
Mehedi Masud ◽  
...  
Keyword(s):  
Sliding Mode ◽  
Electrical Energy ◽  
Energy System ◽  
Control Technique ◽  
Proposed Model ◽  
Wind Energy System ◽  
Loop Technique ◽  
Grid Side ◽  
Mode Technique

This paper presents a new contribution of the nonlinear control technique of electrical energy in a wind energy system. The nonlinear sliding mode technique used to control the powers of the DFIG-Generator is connected to the power grid by two converters (grid side and machine side). The proposed model is validated using tracking and robustness tests with a real wind speed. The control was developed under Matlab/Simulink, and the FPGA in the Loop technique was used to design the DFIG model. By employing a co-simulation, the purpose is to test the controller for the FPGA simulated model or system in its entirety. The results obtained by the cο-simulation show the efficiency of the proposed model in terms of speed and robustness with a rate THD = 0.95, and the proposed model of the sliding mode controller shows a significant improvement in the quality of energy produced by the wind system.

Robust Control for Uncertain Unified Chaotic Systems with Input Nonlinearity via Improved Sliding Mode Technique

2011 ◽  
Vol 474-476 ◽  
pp. 2100-2105
Author(s):  
Xiao Jing Wu ◽  
Xue Li Wu
Keyword(s):  
Robust Control ◽  
Chaotic Systems ◽  
Sliding Mode ◽  
Lyapunov Theory ◽  
Chen System ◽  
Input Nonlinearity ◽  
Adaptive Parameter ◽  
Unified Chaotic Systems ◽  
Mode Technique ◽  
Sliding Mode Technique

This paper investigates the robust control problem of the uncertain unified chaotic systems subject to sector input nonlinearity. First, the adaptive parameter is introduced for designing sliding surface such that the parameters of the unified chaotic system are not necessary to know. Then, based on Lyapunov theory, the controller is designed via sliding mode technique, which cancels the assumption that the information on the bound of input nonlinearity should be known for designer in advance. Finally, the sliding mode controller is applied to ensure that different uncertain chaotic systems (Lorenz system, Lü system and Chen system) states can be regulated to zero levels asymptotically in the presence of sector input nonlinearity. The simulation results demonstrated the effectiveness of the proposed controller.

Lateral Control for UAVs using Sliding Mode Technique

2011 ◽  
Vol 44 (1) ◽  
pp. 11121-11126 ◽  
Author(s):  
M. Zamurad Shah ◽  
R. Samar ◽  
A.I. Bhatti
Keyword(s):  
Sliding Mode ◽  
Lateral Control ◽  
Mode Technique ◽  
Sliding Mode Technique
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