Mechanism analysis of instantaneous angular-rate measurement of gyro-test turntable with inertial devices

Yafei Yang; Xiang Zhang; Jianguo Li

doi:10.1117/12.2014519

31 January 2013 Mechanism analysis of instantaneous angular-rate measurement of gyro-test turntable with inertial devices

Yafei Yang, Xiang Zhang, Jianguo Li

Author Affiliations +

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87590O (2013) https://doi.org/10.1117/12.2014519
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

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.

Citation Download Citation

Yafei Yang, Xiang Zhang, and Jianguo Li "Mechanism analysis of instantaneous angular-rate measurement of gyro-test turntable with inertial devices", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87590O (31 January 2013); https://doi.org/10.1117/12.2014519

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KEYWORDS

Gyroscopes

Control systems

Calibration

Computing systems

Process control

Control systems design

Signal processing

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