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Proceedings Paper

Mechanism analysis of instantaneous angular-rate measurement of gyro-test turntable with inertial devices
Author(s): Yafei Yang; Xiang Zhang; Jianguo Li
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Paper Abstract

Gyro is a key component of inertial navigation systems. How to increase gyro’s test and calibration accuracy remains a scientific problem which requires immediate solution in the field of inertial technology for all countries around the world. To improve the accuracy of gyro-test turntable is a most efficient way for increasing gyro’s test and calibration accuracy currently. Unlike the existing domestic methods, a new method is proposed in this paper that inertial devices (high-precision gyros and accelerometers) can be used for measuring instantaneous angular rate of gyro-test turntable directly, and high accuracy and stability of the rate of gyro-test turntable can be realized through rate feedback control in order to increase the accuracy of the turntable, thus realizing the goal of increasing gyro’s test and calibration accuracy furthermore. This paper analyzes mechanism of measuring instantaneous angular rate of gyro-test turntable by using this method, and discusses feasibility of this method, and points out a research direction for increasing the accuracy of gyro-test turntable.

Paper Details

Date Published: 31 January 2013
PDF: 9 pages
Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87590O (31 January 2013); doi: 10.1117/12.2014519
Show Author Affiliations
Yafei Yang, Harbin Institute of Technology (China)
Xiang Zhang, Harbin Institute of Technology (China)
Jianguo Li, The Chinese People's Liberation Army (China)


Published in SPIE Proceedings Vol. 8759:
Eighth International Symposium on Precision Engineering Measurement and Instrumentation
Jie Lin, Editor(s)

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