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CLC number: TN24
On-line Access: 2011-11-04
Received: 2010-12-26
Revision Accepted: 2011-04-01
Crosschecked: 2011-08-29
Cited: 11
Clicked: 18045
Optimization of the resonant frequency servo loop technique in the resonator micro optic gyro
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Yang Ren, Zhong-he Jin, Yan Chen, Hui-lian Ma. Optimization of the resonant frequency servo loop technique in the resonator micro optic gyro[J]. Journal of Zhejiang University Science C, 2011, 12(11): 942-950.
@article{title="Optimization of the resonant frequency servo loop technique in the resonator micro optic gyro",
author="Yang Ren, Zhong-he Jin, Yan Chen, Hui-lian Ma",
journal="Journal of Zhejiang University Science C",
volume="12",
number="11",
pages="942-950",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.C1000441"
}
%0 Journal Article
%T Optimization of the resonant frequency servo loop technique in the resonator micro optic gyro
%A Yang Ren
%A Zhong-he Jin
%A Yan Chen
%A Hui-lian Ma
%J Journal of Zhejiang University SCIENCE C
%V 12
%N 11
%P 942-950
%@ 1869-1951
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C1000441
TY - JOUR
T1 - Optimization of the resonant frequency servo loop technique in the resonator micro optic gyro
A1 - Yang Ren
A1 - Zhong-he Jin
A1 - Yan Chen
A1 - Hui-lian Ma
J0 - Journal of Zhejiang University Science C
VL - 12
IS - 11
SP - 942
EP - 950
%@ 1869-1951
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.C1000441
Abstract: Proportional integrator (PI) is always adopted in the resonant frequency servo loop in a resonator micro optic gyro (RMOG). The oscillation phenomenon is observed when adjusting the loop gain surpassing a threshold. This phenomenon limits system performance on step response speed and residual error. Based on the experiment system, a simulation model was set up. Further analysis shows that the threshold gain is related to the system loop filter setting and the loop delay. The traditional PI frequency servo loop technique in the RMOG system cannot keep up with the environment’s disturbance quickly enough, which leads to a large residual error. A compensating method is proposed to optimize the tracking performance, solve the oscillation problem, and speed up the system response. Simulation and experiment results show that the compensated system is superior in performance. It has less residual error in the stable state and is 10 times quicker than the uncompensated system on the step response.
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