Fault diagnosis and fault-tolerant control of wind turbines via a discrete time controller with a disturbance compensator
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Tipus de documentArticle
Data publicació2015-05-12
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Abstract
This paper develops a fault diagnosis (FD) and fault-tolerant control (FTC) of pitch actuators in wind turbines. This is accomplished by combining a disturbance compensator with a controller, both of which are formulated in the discrete time domain. The disturbance compensator has a dual purpose: to estimate the actuator fault (which is used by the FD algorithm) and to design the discrete time controller to obtain a FTC. That is, the pitch actuator faults are estimated, and then, the pitch control laws are appropriately modified to achieve an FTC with a comparable behavior to the fault-free case. The performance of the FD and FTC schemes is tested in simulations with the aero-elastic code FAST.
CitacióVidal, Y., Tutivén, C., Rodellar, J., Acho, L. Fault diagnosis and fault-tolerant control of wind turbines via a discrete time controller with a disturbance compensator. "Energies", 12 Maig 2015, núm. 5, p. 4300-4316.
ISSN1996-1073
Versió de l'editorhttp://www.mdpi.com/1996-1073/8/5/4300
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energies-08-04300-v2.pdf | 1,778Mb | Visualitza/Obre |