Researching | Angle random walk improvement analysis of body-dithered ring laser gyro based on lock-in error compensation

Infrared and Laser Engineering, Volume. 52, Issue 11, 20230156(2023)

Angle random walk improvement analysis of body-dithered ring laser gyro based on lock-in error compensation

Zhenfang Fan^1,2, Hui Luo^1,2, Shaomin Hu^1,2, Tuo Luo^1,2, Zhikun Liao^1,2, Zhongqi Tan^1,2, Haoshen Ding^1,2, and Jincheng Fan^1,2

Author Affiliations

¹College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

²Nanhu Laser Laboratory, National University of Defense Technology, Changsha 410073, China

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Figures & Tables(5)

Fig. 1. Flow chart of obtaining over-lock error

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Fig. 2. Laser gyro output before lock compensation

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Fig. 3. Error sequence Y and Z

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Fig. 4. Laser gyro output after lock compensation

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Fig. 5. Allan variance curve before and after compensation

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Zhenfang Fan, Hui Luo, Shaomin Hu, Tuo Luo, Zhikun Liao, Zhongqi Tan, Haoshen Ding, Jincheng Fan. Angle random walk improvement analysis of body-dithered ring laser gyro based on lock-in error compensation[J]. Infrared and Laser Engineering, 2023, 52(11): 20230156

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Received: Mar. 20, 2023

Accepted: --

Published Online: Jan. 8, 2024

The Author Email:

DOI:10.3788/IRLA20230156

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology