| 捷联惯导系统中的圆锥和伪圆锥运动研究 |
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| 引用本文： | 余杨,张洪钺. 捷联惯导系统中的圆锥和伪圆锥运动研究[J]. 中国惯性技术学报, 2006, 14(5): 1-4 |
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| 作者姓名： | 余杨 张洪钺 |
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| 作者单位： | 北京航空航天大学,自动化科学与电气工程学院,北京100083 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 分别对圆锥运动和伪圆锥运动的产生原因、表达形式,以及对捷联惯导系统的影响进行了分析.由于圆锥运动和伪圆锥运动并不相同,因此圆锥运动补偿算法将对两者产生不同的效果.数字仿真表明,圆锥补偿算法可以大大降低经典圆锥运动对捷联导航系统的不利影响,但同时却会增大伪圆锥运动对捷联导航系统的不利影响.因此在实际应用当中,应当结合圆锥运动和伪圆锥运动对系统的影响比重,选择合适的圆锥补偿算法.
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| 关 键 词： | 捷联惯性导航 圆锥运动 圆锥误差 伪圆锥运动 圆锥误差补偿算法 |
| 文章编号： | 1005-6734(2006)05-0001-04 |
| 修稿时间： | 2006-08-12 |
Coning motion and pseudo-coning motion of SINS |
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| YU Yang,ZHANG Hong-yue. Coning motion and pseudo-coning motion of SINS[J]. Journal of Chinese Inertial Technology, 2006, 14(5): 1-4 |
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| Authors: | YU Yang ZHANG Hong-yue |
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| Abstract: | The causes and models of coning motion and pseudo coning motion as well as their influences on strapdown inertial navigation system (SINS) were analyzed. Since these two kinds of motions are different, their effects on coning motion and pseudo coning motion given by coning compensation algorithms are not the same. The simulation result indicates that although coning compensation algorithms can minify the unfavourable influence of the classic coning motion to SINS, they can also magnify the unfavourable influence of the pseudo coning motion on SINS. Therefore a coning compensation algorithm should be chosen appropriately to balance the influences of coning motion and pseudo coning motion. |
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| Keywords: | SINS coning motion coning error pseudo coning motion coning error coning compensation algorithm |
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