F98 single axis closed-loop FOG
F98 FOG
本产品是基于Sagnac原理的惯性角速率传感器，用于测量载体绕产品敏感轴的角速率运动。本产品以光纤环为角速率传感单元，基于闭环检测电路，光纤环敏感角速率引起的相位差，经干涉变为强度信号，检测电路将强度信号变为电压信号，并通过调制解调将信号检测出来，再将信号反馈回光路，实现闭环控制。
Range:±500º/s
Bias stability:≤ 0.008º/h
Bias Repeat.:≤0.008º/h
Interface:RS422
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DESCRIPTION
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This product is an inertial angular rate sensor based on the optical Sagnac effect, which is used to measure the angular rate of the
carrier along the sensitive axis of the product. The angular rate sensing unit of the product is an optical fiber ring, a digital closed-loop
detection circuit is adopted to extract the optical path difference of clockwise and counterclockwise propagation light caused by the
external physical angular rate, which is sensed by the optical fiber ring, and meanwhile, a voltage signal converted from an optical
path difference signal is subjected to closed-loop feedback and control, so that the modulation and demodulation of the signal are
realized, and the purpose of angular rate signal detection is achieved.
FEATURES
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This product consists of two parts: optical angular velocity sensitive unit and signal detection, providing uniaxial angle increment
information and internal temperature information.
COMPOSITION
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This product consists of two parts: optical angular velocity sensitive unit and signal detection, providing uniaxial angle increment
information and internal temperature information.
APPLICATION
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●UAV/AUV/Helicopter ●Tactical nuclear weapons ●Aeronautics and astronautics
●Integrated navigation system ●inertial platform stabilizing ●Vehicle navigation
Technical Parameter
F98 FOG
PARAMETER
ELECTRICAL INTERFACE
DIMENSTION
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