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- W1974427424 abstract "We derive a model for a wind turbine tower in the plane of the turbine blades, which comprises an Euler–Bernoulli beam coupled with a nacelle (rigid body) and a two-mass drive-train model (with gearbox). This model has two possible control inputs: the torque created by the electrical generator and the force created by an electrically driven mass located in the nacelle. First, we consider the case of only torque control and a possibly non-uniform tower. Using the theory of coupled linear systems (one infinite dimensional and one finite dimensional) developed by us recently, we show that this wind turbine tower model is well-posed and regular on either the energy state space Xc or the domain of its generator on Xc, denoted by Xc 1. We also show that generically, this model is exactly controllable on X c 1 in arbitrarily short time. More precisely, for every T > 0, we show that if we vary a certain parameter in the model, then exact controllability in time T holds for all except three values of the parameter. In the case of using both force and torque control, we derive similar well-posedness, regularity and generic exact controllability results on a state space that is larger than Xc 1 but smaller than X c. In this second case, we assume that the tower is uniform." @default.
- W1974427424 created "2016-06-24" @default.
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- W1974427424 date "2011-01-24" @default.
- W1974427424 modified "2023-09-26" @default.
- W1974427424 title "Well-posedness and controllability of a wind turbine tower model" @default.
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- W1974427424 doi "https://doi.org/10.1093/imamci/dnq034" @default.
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