FAULT-TOLERANT CONTROL METHOD AND APPARATUS OF FLOATING WIND TURBINE
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Aug 15, 2023
filing date -
Nov 4, 2022
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Abstract
A fault-tolerant control method and apparatus of a floating wind turbine are provided. The fault-tolerant control method and apparatus of a floating wind turbine can acquire a low-order nonlinear model of a pre-established floating wind turbine, establish a switching linear model of the floating wind turbine based on the low-order nonlinear model, acquire a modal parameter of the current floating wind turbine, and determine based on the modal parameter a sub-model that the floating wind turbine currently satisfies, so as to establish a switching sliding mode surface and a full-order state observer of the floating wind turbine based on the sub-model and the modal parameter, and further calculate a feedback output of a controller of the floating wind turbine according to the switching sliding mode surface and the full-order state observer.
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