Hui Cao, Shennuo Xu, Jiangang Ma, Nianbao Shi, Jintao Xu. Simulation research of the transient characteristics of a digital closed-loop fiber optic current sensor[J]. Infrared and Laser Engineering, 2022, 51(7): 20210615
- Infrared and Laser Engineering
- Vol. 51, Issue 7, 20210615 (2022)
Fig. 1. Diagram of fiber optic current sensor structure
Fig. 2. Data control model of fiber optic current sensor
Fig. 3. Mathematical model of optical fiber current sensor
Fig. 4. Mathematical model of optical fiber current sensor with test excitation
Fig. 5. Step response modulation excitation of FOCS
Fig. 6. Sinusoidal modulation excitation of FOCS
Fig. 7. Step response simulation and test curve of fiber optic current sensor
Fig. 8. Simulation and testing curves of amplitude error-frequency characteristic for LLG−1100
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Table 1. Comparison of step response simulation data
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Table 2. Experimental and simulation data of frequency response
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