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Helicopter slow switching attitude control based on multiple points inversion models group
Zhao Jia, Shen Gongzhang, Chen Shenggong*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Dealing with the deficiency of single point inversion model in traditional helicopter adaptive model inversion attitude control, a slow switching control method based on the multiple points inversion models group was proposed and the asymptotic stability condition was given. In the method, multiple points inversion models group was constructed to replace single point inversion model. Attitude error control system could be transformed into linear switched system, and attitude adaptive control could be achieved via the slow switching using dwelling time. Simulation results show superiorities of proposed method. Work burden of the adaptive element in the control method can be greatly alleviated and controller robustness could be promoted. The flight control system designed based the proposed method can maintain stable well during the switching processes, and also has strong performance robustness.
Keywords�� helicopter   attitude control   inversion control   dwelling time   slow switching     
Received 2009-05-29;
Fund:

������Ȼ��ѧ����������Ŀ(60774061); �ߵ�ѧУ��ʿ�����������Ŀ(20060006010)

About author: �� ��(1981-),��,���ϳ�����,��ʿ��,zhaojia0824@163.com.
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�Լ�, �깦�, ��ʤ��.���ڶ����ģ�����ֱ�������л���̬����[J]  �������պ����ѧѧ��, 2010,V36(7): 798-802
Zhao Jia, Shen Gongzhang, Chen Shenggong.Helicopter slow switching attitude control based on multiple points inversion models group[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(7): 798-802
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