A Method for Measurement of Static Lever Arm

被引：0

作者：

Ma Xianglu ^{[1
,2
]}

Qin Shiqiao ^{[1
]}

Wang Xingshu ^{[1
]}

Wu Wei ^{[1
]}

Hu Feng ^{[1
]}

Zheng JiaXing ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

[2] Air Force Early Warning Acad, Wuhan 430019, Peoples R China

来源：

SELECTED PAPERS OF THE PHOTOELECTRONIC TECHNOLOGY COMMITTEE CONFERENCES HELD NOVEMBER 2015 | 2016年 / 9796卷

关键词：

inertial navigation; lever arm; rigid body; least square method;

D O I：

10.1117/12.2227289

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Lever arm effect has to be considered in transfer alignment technology. Between static lever arm and dynamic lever arm, the former has larger amplitude, and it is the major error source in transfer alignment. How to measure and solve it become an important problem. This paper takes vehicle as a rigid body. Assume that static lever arm does not change in a short time, based on two inertial measurement units(IMU), data are measured and constituted several matrixes properly. After that, by using least square method, static lever arm is solved finally. Simulation experiments are implemented, results show that static lever arm can be solved effectively. Further study shows that, the precision of the method can be improved by preprocessing low pass filter.

引用

页数：7

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