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�������պ����ѧѧ�� 2008, Vol. 34 Issue (04) :439-442    DOI:
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Calibration-compensation method for micro inertial measurement unit based on MEMS
Sun Hongwei, Fang Jiancheng, Sheng Wei*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ����΢����ϵͳMEMS(Micro Electronic Mechanical System)�����������ص�,�ڽ���΢���Բ�����ԪMIMU(Micro Inertial Measurement Unit)���ٶȼ����ٶ������ѧģ�͵Ļ�����,���һ��������MIMU�ġ������õ�������ת̨(��ָ��װ��)��"��̬��ת6λ��"���ٱ궨��������.�봫ͳ�궨�������,�궨���������򵥱��,����һ��ȷ����MIMU��45�����ϵ��,��ʶ���ϵ�����ȸ�,���������ڵ;��Ƚ������Բ�����Ԫ.ͨ�����۷������Ƶ��Լ�������ʵ����֤,�궨�����������Խ�MIMU�ľ������2~3��������.
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Abstract�� According to angular velocity and accelerate error mathematical models of micro inertial measure unit (MIMU), a kind of quick calibration-compensation method called dynamic overturn 6 positions was proposed based on special features of micro electronic mechanical system (MEMS) inertial devices, which only needed one single axis velocity rolling plate (without referring to the north). Comparing with traditional calibration-compensation method, this method was simple, convenient and could identify forty-five error coefficients of MIMU. The precision of error coefficients identified was high, and this method was especially fit for low precision strapdown inertial measure unit. Through theoretical analyses, calculations and experiments, the result shows that this calibration-compensation method could improve the MIMU accuracy by 2~3 magnitudes.
Keywords�� micro inertial measurement unit (MIMU)   calibration-compensation   error model   dynamic overturn 6 positions     
Received 2007-04-06;


About author: ���ΰ(1982��),��,ɽ��������,��ʿ��,hongweisun@aspe.buaa.edu.cn.
���ΰ, ������, ʢε.һ�ֻ���MEMS��΢���Բ�����Ԫ�궨��������[J]  �������պ����ѧѧ��, 2008,V34(04): 439-442
Sun Hongwei, Fang Jiancheng, Sheng Wei .Calibration-compensation method for micro inertial measurement unit based on MEMS[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(04): 439-442
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2008/V34/I04/439
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