| 双轴惯导轴系非正交误差全空间补偿技术研究 |
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| 引用本文： | 曹文.双轴惯导轴系非正交误差全空间补偿技术研究[J].导航定位于授时,2017,4(1):32-35. |
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| 作者姓名： | 曹文 |
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| 作者单位： | 华中光电技术研究所武汉光电国家实验室,武汉,430223 |
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| 基金项目： | 海军“十三五”预先研究项目 |
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| 摘 要： | 旋转调制技术实现了捷联惯导的高精度长航时导航,但轴系非正交误差的存在影响着导航姿态精度。传统轴系非正交误差补偿方法是针对旋转轴停留在固定位置完成的,提出一种全空间的轴系非正交误差补偿方法,不限定旋转轴的转停位置。试验结果证明该误差补偿方法较传统方法更优,对惯导姿态精度提升明显。
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| 关 键 词： | 惯性导航系统 双轴旋转调制 轴系非正交误差 全方位补偿 |
Research on Omnibearing Compensation Method of
Nonorthogonal Errors for Dual-axis INS |
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| CAO Wen.Research on Omnibearing Compensation Method of
Nonorthogonal Errors for Dual-axis INS[J].Navigation Positioning & Timing,2017,4(1):32-35. |
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| Authors: | CAO Wen |
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| Institution: | Huazhong Institute of Electro-Optics,Wuhan National Laboratory for Optoelectronics |
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| Abstract: | Based on the theory of rotation modulation technology, the inertial navigation system (INS) can perform high precision long-endurance navigation, howerver the existance of nonorthogonal errors brings negative effects on improving navigation accuracy. Compared to the classical method of compensation which is performed when the axis is controlled staying in some fixed directions , the omnibearing direction compensation method proposed here can be applied without limiting the pausing position of the axis. The experiment results indicate that the new method is more effective than the classical one |
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| Keywords: | Inertial navigation system Dual-axis rotational modulation Nonorthogonal errors Omnibearing compensation |
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