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Proceedings Paper

Transfer alignment design and experiment evaluation of the SINS for GMLRS artillery rocket
Author(s): Jinchuan You; Yongyuan Qin; Jiahe Xia; Pengxiang Yang; Gongmin Yan; Yong Song; Yingfeng Fu
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Paper Abstract

This paper presents the results of the effort to develop a transfer alignment algorithm designed to align a low-cost Fiber Optic Gyroscope Inertial Measurement Unit(FOG-IMU) with the Position and Azimuth Determining System(PADS) of Guided Multiple Launch Rocket System(GMLRS) in a short time with high accuracy. The Ring Laser Gyroscope IMU(RLG-IMU) of the PADS is defined as the Master Inertial Navigation System(MINS) and the FOG-IMU as the Slave Inertial Navigation System(SINS). The accurate attitude initializing of SINS based on the attitude information of both INSs can be accomplished by providing the normal launch motion(pitch and yaw). The relevant state equations and measurement equations of transfer alignment Kalman Filter(KF) are presented. A particular calibrating scheme is designed to determinate the parameters of the MINS and SINS just in the same time. The algorithm is verified by laboratory testing of both INSs under the compound manoeuvre of a three-axis turntable modeling the launch procedure of GMLRS.

Paper Details

Date Published: 31 December 2010
PDF: 8 pages
Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75445M (31 December 2010); doi: 10.1117/12.885597
Show Author Affiliations
Jinchuan You, Northwestern Polytechnical Univ. (China)
Yongyuan Qin, Northwestern Polytechnical Univ. (China)
Jiahe Xia, Northwestern Polytechnical Univ. (China)
Pengxiang Yang, Northwestern Polytechnical Univ. (China)
Gongmin Yan, Northwestern Polytechnical Univ. (China)
Yong Song, Northwestern Polytechnical Univ. (China)
Sichuan Aerospace Industry Corp. (China)
Yingfeng Fu, Sichuan Aerospace Industry Corp. (China)

Published in SPIE Proceedings Vol. 7544:
Sixth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Xianfang Wen, Editor(s)

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