Nonlinear robust control of hypersonic aircrafts with interactions between flight dynamics and propulsion systems |
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| Affiliation: | 1. College of Science, Guizhou Institute of Technology, Guiyang Guizhou 550003, China;2. College of Computer Science and Technology, Guizhou University, Guiyang Guizhou 550025, China;3. College of Automation, Chongqing University, Chongqing 400044, China;1. Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), Jiangnan University, Wuxi 214122, People''s Republic of China;2. Division of Engineering Technology, Wayne State University, Detroit, MI 48202-1111, USA;1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming 650093, PR China;2. Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, PR China |
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| Abstract: | This paper addresses the nonlinear robust tracking controller design problem for hypersonic vehicles. This problem is challenging due to strong coupling between the aerodynamics and the propulsion system, and the uncertainties involved in the vehicle dynamics including parametric uncertainties, unmodeled model uncertainties, and external disturbances. By utilizing the feedback linearization technique, a linear tracking error system is established with prescribed references. For the linear model, a robust controller is proposed based on the signal compensation theory to guarantee that the tracking error dynamics is robustly stable. Numerical simulation results are given to show the advantages of the proposed nonlinear robust control method, compared to the robust loop-shaping control approach. |
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| Keywords: | Hypersonic vehicle Robust control Nonlinear control Coupling |
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