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�������պ����ѧѧ�� 2002, Vol. 28 Issue (1) :86-89    DOI:
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Independent Initial Alignment of Marine Strapdown Inertial Navigation System in Moorage
ZHOU Li, CUI Zhong*
Beijing University of Aeronautics and Astronautics, School of Automation Science and Electrical Engineering

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Abstract�� A method of independent initial alignment of a marine strapdown inertial navigation system in moorage is studied to arm at the problems which are brought by a base swinging with large angles and centripetal-acceleration disturbance on the base. Parameter identification is used to pick-up the several coefficients in attitude error expressions in order to identify gyro bias and attitude error. Moreover, an idea that compensates in real time acceleration disturbance on a swing base is addressed. Finally, simulation calculations are given to show the validity of the method.
Keywords�� strapdown inertial navigation   least squares methods   shipborne missiles   initial alignment     
Received 2000-05-31;
About author: ������(1976-),Ů,�㽭ͩ����,˶ʿ��,100083,����.
������, ������.ϵ��״̬�½��ص�������ʽ��ʼ��׼�о�[J]  �������պ����ѧѧ��, 2002,V28(1): 86-89
ZHOU Li, CUI Zhong.Independent Initial Alignment of Marine Strapdown Inertial Navigation System in Moorage[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(1): 86-89
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2002/V28/I1/86
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