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�������պ����ѧѧ�� 2006, Vol. 32 Issue (08) :885-888    DOI:
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������, �ź�, ��ҫ��*
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Attitude estimation method for flight vehicles based on computer vision
Zhao Shifeng, Zhang Hai, Fan Yaozu*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� An attitude estimation method for flight vehicles based on statistic of image was improved. The method improved reduces calculation, and improves the real-time performance for attitude estimation. The bank and the pitch angle can be estimated rapidly with a higher robusticity. Its accuracy satisfies the requirement of attitude estimation to control flight vehicles. Several differentmethods were compared with simulation results, and an application was proposed, which resolved the problem of coupling between the bank and the pitch in the attitude estimation. The method improved is applicable for those which are equipped computer vision systems as navigation systems, especially for MAV(micro air vehicles) equipped only minitype computer vision systems. Range of the attitude angle to be estimated is expanded while computer vision system equipped by the method is adopted with a MIMU(miniature inertial measurement unit) assistant, and the accuracy is higher correspondingly.
Keywords�� attitude estimation   image processing   computer vision   flight vehicles     
Received 2005-10-18;
About author: ������(1979-), ��, ������ĵ������, ��ʿ��, zhaoshifeng@asee.buaa.edu.cn.
������, �ź�, ��ҫ��.һ�ֻ��ڼ�����Ӿ��ķ�������̬�����㷨[J]  �������պ����ѧѧ��, 2006,V32(08): 885-888
Zhao Shifeng, Zhang Hai, Fan Yaozu.Attitude estimation method for flight vehicles based on computer vision[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(08): 885-888
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2006/V32/I08/885
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