Application of high accuracy Laser Doppler velocimeter in self-contained navigation

被引：0
|
作者：
Gao, Chunfeng [1 ]
Wei, Guo [1 ]
Zhou, Jian [1 ]
Wang, Qi [1 ]
Long, Xingwu [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Technol, Changsha 410073, Hunan, Peoples R China
来源：
OPTICAL MEASUREMENT SYSTEMS FOR INDUSTRIAL INSPECTION IX | 2015年 / 9525卷
关键词：
Self-contained navigation; Laser Doppler velocimeter; inertial navigation system; integrated navigation; laser gyroscope; positioning error; kalman filtering;
D O I：
10.1117/12.2181973
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The basic composition and measuring principle of Laser Doppler Velocimeter (LDV) are discussed, and the superiority of LDV been the external velocity observation system of the strapdown inertial navigation system(SINS) is analyzed. For study of the RLG inertial navigation system and the LDV which is self-developed by our own department, the feasibility of SINS/LDV composite system is proved, and vehicle navigation tests have been conducted. Taking the DGPS as reference, the results show that the maximum positioning error of SINS/LDV composite system is 8 meters in one hour test while the maximum positioning error of pure SINS reaches 1130 meters. Results show that the SINS/LDV composite system can effectively inhibits the time accumulated navigation errors, and the high accuracy self-contained navigation can be realized.
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页数：7
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