An Analysis on the Optimization of Closed-Loop Detection Method for Optical Voltage Sensor Based on Pockels Effect
作者： Hui Li , Liyang Cui , Zhili Lin , Lijing Li , Chunxi Zhang
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摘要: In engineering practice, the closed-loop optical voltage sensor (OVS) based on Pockels effect cannot reach required precision level mainly due to various disturbance and noise of system, so application OVS for low measurement is restricted. Considering cross coupling main second closed-loops, model system that adopts four-state modulation method analyzed in OVS. Based established noise-perturbed stochastic OVS, we design a detection algorithm guarantee mean-square exponential stability with prescribed H∞ performance order optimize The experimental results show 0.144 V while relative error scale factor within ± 0.15% measuring AC voltages from 140 500 V, which verifies effectiveness proposed scheme.
osapublishing.org参考文章(17)
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