Fault-Tolerant Control of Doubly-Fed Wind Turbine Generation Systems under Sensor Fault Conditions

Guodong You, Tao Xu, Honglin Su, Xiaoxin Hou, Xue Wang, Chengxin Fang and Jisheng Li
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Guodong You: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Tao Xu: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Honglin Su: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Xiaoxin Hou: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Xue Wang: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Chengxin Fang: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China
Jisheng Li: College of Electronic Information and Automation, Tianjin University of Science and Technology, Tianjin 300222, China

Energies, 2019, vol. 12, issue 17, 1-14

Abstract: This paper studies the fault-tolerant control problem of uncertain doubly-fed wind turbine generation systems with sensor faults. Considering the uncertainty of the system, a fault-tolerant control strategy based on a T-S fuzzy observer is proposed. The fuzzy observer is established based on the T-S fuzzy model of the uncertain nonlinear system. According to the comparison and analysis of residual between the state estimation of the fuzzy observer output and the measured value of the real sensor, a fault detection and isolation (FDI) based on T-S fuzzy observer is designed. Then by using a Parallel Distributed Compensation (PDC) method we design the robust fuzzy controller. Finally, the necessary and sufficient conditions for the stability of the closed-loop system are proved by quoting Lyapunov stability theory. The simulation results verify the effectiveness of the proposed control method.

Keywords: fault-tolerant control; wind turbine generation system; uncertainty; nonlinearity; T-S fuzzy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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