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�������պ����ѧѧ�� 2012, Vol. Issue (4) :459-463    DOI:
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New system calibration method for strapdown inertial navigation system
Zhang Huaqiang, Zhao Yan, Chen Yu*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ ��Բ�ͬ�ͺŵĽ������Ե���ϵͳ(SINS, Strapdown Inertial Navigation System)�������̼���̬���ܲ����,������궨���������ṩ�ද̬���źż���������,���һ���������Ļ���ת̨��SINS��������궨���·���.ͨ����ת̨��װ�����Ļ���,����ת̨��̬�Լ����Ļ���ת�ٶȺ���ת�뾶,�ɶ�SINS�ṩ�෶Χ�����˶���ʽ���źż���,ʵ�ֶԲ�ͬ��������SINS�ı궨.���������������Ļ�ת̨����ģ�Ͳ���������˷�����֤,����ת̨���ε���SINS��6����ͬλ��,�������Ļ���ÿ��λ�ý����������ι���12����ת,���ɱ궨������ϵͳ��24��������.���۷�������:�ñ궨�������ײ���,���������ʸ�,�����ź��������,����һ���Ĺ���Ӧ�ü�ֵ.
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Abstract�� Focusing on different types of strapdown inertial navigation system (SINS) having great difference on measuring range and dynamic performance, a novel SINS calibration method using centrifuge and turntable was proposed. The turntable was installed on the centrifuge. By adjusting the attitude of the turntable and the control parameter of the centrifuge, signals of different ranges and dynamic parameters would be generated, and this could be used for calibrating different SINS. The complete control models of the centrifuge and turntable were built and simulated. The SINS was rotated 12 times in six positions, and then 24 error parameters of SINS would be determined. The theory analysis shows that the new calibration method is simple and easy to be implemented, the calibration data has high-usage, and the output signals can be set flexibly. Therefore this method has some actual engineering value.
Keywords�� strapdown inertial navigation system(SINS)   calibration   centrifuge   turntable     
Received 2011-03-09;
Fund:���տ�ѧ����������Ŀ(20100818018)
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�Ż�ǿ, ����, ����.�������Ե���ϵͳ����궨�·���[J]  �������պ����ѧѧ��, 2012,V(4): 459-463
Zhang Huaqiang, Zhao Yan, Chen Yu.New system calibration method for strapdown inertial navigation system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2012,V(4): 459-463
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2012/V/I4/459
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