Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART I-JOURNAL OF SYSTEMS AND CONTROL ENGINEERING
Volume 229, Issue 5, Pages 388-405Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0959651814568363
Keywords
Flexible air-breathing hypersonic vehicle; mixed H-2; H control; decentralized tracking control; Takagi-Sugeno fuzzy model; linear matrix inequalities
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Funding
- Aeronautical Science Foundation of China [20100196002]
- National Natural Science Foundation of China [61403026, 91016004]
- Science and Technology on Aircraft Control Laboratory of Beihang University [9140C480301130C48001]
- China Postdoctoral Science Foundation [2014M550618]
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This article addresses the problem of mixed H-2/H decentralized fuzzy tracking control design for a flexible air-breathing hypersonic vehicle, which includes the intricate coupling between the engine and flight dynamics as well as the complex interplay between the flexible and rigid modes. Initially, the nonlinear longitudinal model of the flexible air-breathing hypersonic vehicle is represented as a nonlinear large-scale interconnected system, which can be described by a Takagi-Sugeno fuzzy model. Then, based on the decentralized Takagi-Sugeno fuzzy model, a mixed H-2/H decentralized fuzzy tracking controller is developed to not only ensure the stability of the whole nonlinear interconnected system but also achieve the suboptimal H-2 control performance under a desired H disturbance attenuation level. Furthermore, the problem of mixed H-2/H decentralized fuzzy tracking control design is characterized in terms of a set of linear matrix inequalities. Finally, simulation results on the flexible air-breathing hypersonic vehicle demonstrate the effectiveness and merit of the proposed design method.
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