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	INS's error compensation on the base of the celestial theodolite (EI CONFERENCE)
	Zhao H.-B. ; Guo L.-H.
	2005
会议名称	ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005
会议地点	Changchun, China
关键词	In recent years there has been a major upsurge of interest in the integrated inertial navigation system (INS)/celestial navigation system (CNS) as a cost-effective way of providing accurate and reliable navigation aid for civil and military vehicles (ships aircrafts land vehicles and so on). One of the disadvantages of INS is its errors will grow unbounded. The CNS can be used to improve position estimation resulting from INS measurement. This paper describes the design of this. An error model developed earlier is used for CNS/INS filter (Kalman filter) mechanization. In CNS celestial theodolite acquires an image of the sky recognize the most brilliant stars in the image creates with them a "constellation" and searches for this pattern in an on board star catalogue of the observed region to get the precise position and attitude information of vehicles. The Kalman filter method is used to fuse measurement from the system. We can use this information to compensate INS's error. The tests carry out with this system show that system will get accurate navigation information.
收录类别	EI
内容类型	会议论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/33605]
专题	长春光学精密机械与物理研究所_中科院长春光机所知识产出_会议论文
推荐引用方式 GB/T 7714	Zhao H.-B.,Guo L.-H.. INS's error compensation on the base of the celestial theodolite (EI CONFERENCE)[C]. 见:ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005. Changchun, China.

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