Fault-Tolerant Control Strategy of a Wind Energy Conversion System Considering Multiple Fault Reconstruction
Source abstract
Abstract
A robust sliding mode observer (SMO) is proposed to achieve multiple fault reconstruction for a wind energy conversion system (WECS) with simultaneous actuator and sensor faults. Firstly, the state equation of the WECS is established. The orthogonal transformation matrix and a post filter are introduced, and a new augmented system is constructed; then, the sensor fault is converted into an actuator fault to diagnose. The fault information is collected by the equivalent output control, and the simultaneous reconstruction algorithm of the sensor fault and the actuator fault is given. Through compensation control, the reliable control input of the WECS is guaranteed, and the function of active fault tolerant control for multiple faults is achieved. Simulation experiments show that the proposed method can accurately reconstruct the actuator and sensor faults, and maximum wind energy capture can be achieved by active fault-tolerant control.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Wind Turbine Control Systems · Machine Fault Diagnosis Techniques · Power System Optimization and Stability
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Advanced Process Control for Light Industry, Jiangnan University, Wuxi 214122, China
References (33)
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