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- W2330248518 abstract "A new suboptimal nonlinear filter-based feedback control technique for the suppression of aeroelastic flutter is presented in this study. Novelty of this work lies in utilizing a new technique, called the θ-D method for both the controller and the filter formulations. The θ-D method is synthesized by adding perturbations to a typical optimal control formulation with a quadratic cost function. The controller expressions are obtained by getting an approximate solution to the Hamilton-Jacobi-Bellman (HJB) equation. In many applications, an estimation technique is needed for use in the controller feedback since all the system states are usually not available for measurements. By using the dual nature of controllers and filters, a steady state θ-D filter expression is used for the filter dynamics. A controller using this new method has been designed to suppress the aeroelastic flutter of an airfoil using a filter-based feedback design. Simulation results show that the θ-D filter based controller successfully suppresses any aeroelastic flutter over a range of initial conditions and parameter variations." @default.
- W2330248518 created "2016-06-24" @default.
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- W2330248518 date "2004-06-22" @default.
- W2330248518 modified "2023-09-23" @default.
- W2330248518 title "Theta-D Controller-Filter for Aeroelastic Flutter Suppression" @default.
- W2330248518 cites W2008588801 @default.
- W2330248518 cites W2015133734 @default.
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- W2330248518 doi "https://doi.org/10.2514/6.2004-4816" @default.
- W2330248518 hasPublicationYear "2004" @default.
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