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�������պ����ѧѧ�� 2010, Vol. 36 Issue (8) :931-935    DOI:
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Modeling of wing flexure and filtering solution in transfer alignment
Xie Chunming, Zhao Yan, Wang Jinan*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Focusing on the remarkable influence of wing flexure on transfer alignment(TA), a two-laser ranging method was presented to measure the wing flexure of missile-borne strapdown inertial navigation system(SINS) in different hook. An AR(��n��) model was put forward to simplify the ARMA(��p,q��) model to perform online modeling of wing flexure. In the modeling process, the recursive least squares algorithm was adopted to estimate the model parameters and ��F�� testing method using modeling estimation errors was applied to determine the rank of AR(��n��) model. Finally, the TA filter embracing multi-rank colored measurement noises was designed according to the online wing flexure model and rapid TA matching plan. Simulation experiments and results validate the feasibility and the validity of the online modeling method of wing flexure and the transfer alignment filter considering colored measurement noises, which provides an effective rapid and accurate TA method.
Keywords�� transfer alignment   wing flexure   modeling   colored noise   Kalman filtering     
Received 2009-06-22;
Fund:

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About author: �ⴺ��(1979-),��,�ӱ���ɽ��,��ʿ��,xcm79218@163.com.
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�ⴺ��, ����, ������.���ݶ�׼�л����Ա��ν�ģ���˲�����[J]  �������պ����ѧѧ��, 2010,V36(8): 931-935
Xie Chunming, Zhao Yan, Wang Jinan.Modeling of wing flexure and filtering solution in transfer alignment[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(8): 931-935
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