| GPS／INS组合导航系统松、紧耦合性能比较 |
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| 引用本文： | 周星伶.GPS／INS组合导航系统松、紧耦合性能比较[J].航空电子技术,2007,38(4):1-6. |
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| 作者姓名： | 周星伶 |
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| 作者单位： | 北京航空航天大学电子信息工程学院,北京,100083 |
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| 摘 要： | 对GPS/INS组合导航系统的紧耦合算法进行了理论推导。详细分析了当INS元器件性能变差时,GPS/INS组合导航系统在不同耦合模式下的定位精度变化规律,得出采用紧耦合模式的组合导航系统比一般的松耦合方式能获得更好的定位精度;并通过仿真验证了该结论的正确。
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| 关 键 词： | 组合导航 卡尔曼滤波技术 紧耦合 松耦合 |
| 文章编号： | 1006-141X(2007)04-0001-06 |
| 修稿时间： | 2007年8月2日 |
The Performance Comparison Between Loose Coupling and Tight Coupling of GPS/INS Integrated Navigation System |
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| ZHOU Xing-ling.The Performance Comparison Between Loose Coupling and Tight Coupling of GPS/INS Integrated Navigation System[J].Avionics Technology,2007,38(4):1-6. |
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| Authors: | ZHOU Xing-ling |
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| Abstract: | In this paper,the Algorithm of tight coupling of the integrated navigation system is studied;and the precision in different coupling mode for GPS/INS integrated navigation system is also analyzed by simulationwhen the performance of INS become degraded.It turns out that GPS/INS integrated navigation system based on tight coupling can get higher precision than that by GPS/INS integrated navigation system based on loose coupling.The conclusion is proven correct via simulation. |
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| Keywords: | integrated system Kalman filter tight coupling loose coupling |
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