Abstract
The wind turbine control technology has been rapidly developed over the past few years. The future wind turbines have to mix and match a variety of innovative fault detection, diagnosis and accommodation concepts with proven technologies to generate electrical energy as efficiently and reliably as possible. This paper presents a novel strategy oriented to the design of an integrated Fault Detection and Diagnosis (FDD) and Fault-Tolerant Control (FTC) scheme for regulating the reference torque load in an offshore wind turbine benchmark model. This strategy results in an Active Fault-Tolerant Control (AFTC) scheme which is based on automatic signal correction and model-based FDD approaches. The proposed scheme is evaluated by a series of simulations on the offshore wind turbine benchmark model in the presence of wind turbulences, measurement noises, and realistic fault scenarios in the generator/converter torque actuator.
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