<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This paper proposes a fault tolerant control scheme based on an unknown input observer for a wind turbine system subject to an actuator fault and disturbance. Firstly, an unknown input observer for state estimation and fault detection using a linear parameter varying model is developed. By solving linear matrix inequalities (LMIs) and linear matrix equalities (LMEs), the gains of the unknown input observer are obtained. The convergence of the unknown input observer is also analysed with Lyapunov theory. Secondly, using fault estimation, an active fault tolerant controller is applied to a wind turbine system. Finally, a simulation of a wind turbine benchmark with an actuator fault is tested for the proposed method. The simulation results indicate that the proposed FTC scheme is efficient.</p></abstract>

This paper proposes a fault tolerant control scheme based on an unknown input observer for a wind turbine system subject to an actuator fault and disturbance. Firstly, an unknown input observer for state estimation and fault detection using a linear parameter varying model is developed. By solving linear matrix inequalities (LMIs) and linear matrix equalities (LMEs), the gains of the unknown input observer are obtained. The convergence of the unknown input observer is also analysed with Lyapunov theory. Secondly, using fault estimation, an active fault tolerant controller is applied to a wind turbine system. Finally, a simulation of a wind turbine benchmark with an actuator fault is tested for the proposed method. The simulation results indicate that the proposed FTC scheme is efficient.

Active fault tolerance control of a wind turbine system using an unknown input observer with an actuator fault

International Journal of Applied Mathematics and Computer Science

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

This paper proposes a fault tolerant control scheme based on an unknown input observer for a wind turbine system subject to an actuator fault and disturbance....

Active fault tolerance control of a wind turbine system using an unknown input observer with an actuator fault

Published Online: Mar 31, 2018

Page range: 69 - 81

Received: Jan 26, 2017

Accepted: Aug 09, 2017

DOI: https://doi.org/10.2478/amcs-2018-0005

Keywords
wind turbine system, linear parameter varying system, fault tolerant control, unknown input observer

© by Haoping Wang

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

Active fault tolerance control of a wind turbine system using an unknown input observer with an actuator fault

Published Online: Mar 31, 2018

Page range: 69 - 81

Received: Jan 26, 2017

Accepted: Aug 09, 2017

DOI: https://doi.org/10.2478/amcs-2018-0005

Keywordswind turbine system, linear parameter varying system, fault tolerant control, unknown input observer

© by Haoping Wang

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

Keywords
wind turbine system, linear parameter varying system, fault tolerant control, unknown input observer