Optimal Design of High-precision Temperature Control System for FOG Detection

doi:10.12382/bgxb.2021.0187

Abstract

Abstract: The high-precision fiber optic gyroscope (FOG) products need to be tested in batches in a large-scale space without obvious air flow. For this purpose, the optimization design of precision temperature control device with radiation cold plate as the core element is studied，and the reliability of the device is verified by theoretical，simulation and experimental methods. The effect of optimization design is remarkable. The results show that the temperature uniformity is no more than 2 ℃，the temperature fluctuation is no more than ±0.05 ℃ within 24 hours，and the recovery time of temperature field is no more than 30 minutes under the effect of temperature fluctuation. The optimization research solves the technical problem of no wind and low fluctuation in the detection of ambient temperature control，breaks through the limitation of detection space in the traditional technical route，and realizes the batch detection of high-precision fiber optic gyroscopes in large scale space.

Key words: fibreopticgyroscope, high-precisiontemperaturecontrol, largescalespace, radiationcoldplate, optimaldesign

CLC Number:

V241.5

SUN Ning， XIA Yan， CHENG Xingqing. Optimal Design of High-precision Temperature Control System for FOG Detection[J]. Acta Armamentarii, 2022, 43(4): 910-918.

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