Volume 37 Issue 7
Jul.  2012
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QIN Fangjun, LI An, XU Jiangning. Analysis of Errors of Rotating Modulation INS Effected by Angular Motion of Vehicle[J]. Geomatics and Information Science of Wuhan University, 2012, 37(7): 831-833.
Citation: QIN Fangjun, LI An, XU Jiangning. Analysis of Errors of Rotating Modulation INS Effected by Angular Motion of Vehicle[J]. Geomatics and Information Science of Wuhan University, 2012, 37(7): 831-833.
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Analysis of Errors of Rotating Modulation INS Effected by Angular Motion of Vehicle

  • 1 Electrical Engineering and Information Engineering College,Naval University of Engineering, 717 Jiefang Road,Wuhan 430033,China;2 Office of Research and Development,Naval University of Engineering,717 Jiefang Road,Wuhan 430033,China

Funds: 国家自然科学基金资助项目(61104184);;湖北省自然科学基金资助项目(2011CDB054)
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  • Received Date: April 26, 2012
  • Published Date: July 04, 2012
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  • Based on attitude error equations of typical dual-axis-index Inertial Navigation System(INS),influence of angular motion of vehicle is theoretically analyzed.The angular motion,coupled with scale factor and installation error,can deteriorate precision of INS,and produce a new type of error.Scale factor error leads to DC component,which is equivalent to un-compensable constant drift of gyroscope,and has great effect on INS.Installation error leads to AC component,which is equivalent to periodic oscillating drift of gyroscope,and has limited influence on INS.Results of experiment verifies the mentioned conclusions.
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