Affiliation:
1. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China
2. Shanghai Aircraft Airworthiness Certification Center of CAAC, Shanghai, China
Abstract
This paper presents a novel adaptive active control method, which is used for the flutter suppression problem in hypersonic flow. First, the system’s stability is analyzed and the Hopf bifurcation points are obtained. Then, fuzzy systems are employed to approximate the system’s nonlinear dynamics. Furthermore, in order to increase the robustness of the system, a sliding surface is designed by introducing an integral operator. Thirdly, by Lyapunov theory, the proposed fuzzy sliding mode active control guarantees the convergence of flutter and the global boundedness of all the signals in the closed-loop system. The simulation results demonstrate the effectiveness of the proposed method.
Subject
Mechanical Engineering,Mechanics of Materials,Aerospace Engineering,Automotive Engineering,General Materials Science
Cited by
14 articles.
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