期刊
INTERNATIONAL JOURNAL OF AERONAUTICAL AND SPACE SCIENCES
卷 21, 期 3, 页码 733-749出版社
SPRINGER
DOI: 10.1007/s42405-019-00245-7
关键词
Airfoil flutter; Adaptive fault-tolerant control; Observer; Actuator fault; Time delay
To suppress airfoil flutter, a lot of control methods have been proposed, such as classical control methods and optimal control methods. However, these methods did not consider the influence of actuator faults. We designed a new finite-timeH(infinity)adaptive fault-tolerant flutter controller by radial basis function neural network technology and adaptive fault-tolerant control methods, taking into account actuator faults, actuator saturation, modeling uncertainties and external disturbances. The theoretical section of this paper is about airfoil flutter dynamic modeling and the design of adaptive fault-tolerant controller. Lyapunov function and linear matrix inequality are employed to prove the stability of the proposed control method of this paper. The numeral simulation section further proves the effectiveness and robustness of the proposed control algorithm of this paper.
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