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Nonlinear modelling and open-loop dynamatics characteristics for one hypersonic aircraft
Chen Jie, Zhou Shaolei, Song Zhaoqing*
Department of Control Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China

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Abstract�� Considering that the hypersonic aircraft nonlinear dynamatic system owns the characteristics of nonlinear output, highly coupled of state vector, a novel sliding surface observer and controller design based on Lyapunov function was presented. During the course of observer design, overload output sliding surface was adopted to consrtruct Lyapunov function to guarantee the astringency of observer, and observer plus matrix could be gotten. Then, dynamic surface adaptive backstepping was adopted to design control law, multi-layers nerual network adjust function was introduced to compensate the influence from the uncertain, and the robust terms were designed to solve the problem from approach error. The stability analysis and simulations demonstrate the good performance of the controller.
Keywords�� dynamic surface adaptive backstepping   observer   unceratin   hypersonic aircraft   nonlinear     
Received 2010-08-10;


About author: �� ��(1978-),Ů,ɽ��������,��ʦ,hjhychenjie@tom.com.
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Chen Jie, Zhou Shaolei, Song Zhaoqing.Nonlinear modelling and open-loop dynamatics characteristics for one hypersonic aircraft[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(7): 827-832
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