<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The presence of backlash in wind turbines is a source of limitations as it introduces nonlinearities that reduce their efficiency in speed/torque control which affect the performance of the power quality. Because of production tolerances during rotation, the teeth contact is lost for a small angle; until it is re-established, it produces a backlash phenomenon. The desire to eliminate this phenomenon is often hard to realise due to the nonlinear dynamic behaviour, which arises with the presence of backlash fault in a system. Therefore, the goal of this study is to develop an LQ optimal control structure in a form of an R-S-T controller in order to reduce the disturbing torque transmitted inside the dead zone of a gearbox in the wind turbine system. The actual system is also developed to be used as a demonstration model at lectures or presentations. The efficacy of the proposed control is illustrated via simulations.</p>
</abstract>

The presence of backlash in wind turbines is a source of limitations as it introduces nonlinearities that reduce their efficiency in speed/torque control which affect the performance of the power quality. Because of production tolerances during rotation, the teeth contact is lost for a small angle; until it is re-established, it produces a backlash phenomenon. The desire to eliminate this phenomenon is often hard to realise due to the nonlinear dynamic behaviour, which arises with the presence of backlash fault in a system. Therefore, the goal of this study is to develop an LQ optimal control structure in a form of an R-S-T controller in order to reduce the disturbing torque transmitted inside the dead zone of a gearbox in the wind turbine system. The actual system is also developed to be used as a demonstration model at lectures or presentations. The efficacy of the proposed control is illustrated via simulations.

Backlash Fault Suppression Using LQ Optimal Control Based RST Controllers in Wind Turbine Systems Using Bond Graphs and Matlab/Simulink

Electrical Engieneering Departement, Faculty of Technology

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The presence of backlash in wind turbines is a source of limitations as it introduces nonlinearities that reduce their efficiency in speed/torque control which...

Backlash Fault Suppression Using LQ Optimal Control Based RST Controllers in Wind Turbine Systems Using Bond Graphs and Matlab/Simulink

Publié en ligne: 27 sept. 2021

Pages: 154 - 163

Reçu: 19 juin 2020

Accepté: 05 juil. 2021

DOI: https://doi.org/10.2478/ama-2021-0020

Mots clés
modeling, bond graph, wind turbine, backlash, quadratic linear control, RST controller

© 2021 Mohamed Arab et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Backlash Fault Suppression Using LQ Optimal Control Based RST Controllers in Wind Turbine Systems Using Bond Graphs and Matlab/Simulink

Publié en ligne: 27 sept. 2021

Pages: 154 - 163

Reçu: 19 juin 2020

Accepté: 05 juil. 2021

DOI: https://doi.org/10.2478/ama-2021-0020

Mots clésmodeling, bond graph, wind turbine, backlash, quadratic linear control, RST controller

© 2021 Mohamed Arab et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
modeling, bond graph, wind turbine, backlash, quadratic linear control, RST controller