Design of a Robust Controller for Fiber Optic Current Transformer System

LI Hui; ZHANG Chun-xi; LI Li-jing; XU Wen-yuan

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Design of a Robust Controller for Fiber Optic Current Transformer System

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- Design of a Robust Controller for Fiber Optic Current Transformer System
- High VoltageApparatus Vol. 45, Issue 6, Pages: 28-30(2009)
- 作者机构：
  
  北京航空航天大学仪器科学及光学工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM452.94
- Published：2009
- 稿件说明：
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[1]李慧,张春熹,李立京,许文渊.光纤电流互感器系统的鲁棒控制器设计[J].高压电器,2009,45(06):28-30.

LI Hui, ZHANG Chun-xi, LI Li-jing, et al. Design of a Robust Controller for Fiber Optic Current Transformer System[J]. High voltageapparatus, 2009, 45(6): 28-30.
[1]李慧,张春熹,李立京,许文渊.光纤电流互感器系统的鲁棒控制器设计[J].高压电器,2009,45(06):28-30. DOI：

LI Hui, ZHANG Chun-xi, LI Li-jing, et al. Design of a Robust Controller for Fiber Optic Current Transformer System[J]. High voltageapparatus, 2009, 45(6): 28-30. DOI：

摘要

为了减少系统增益的不确定性对系统动态性能的影响

笔者根据系统性能指标的要求

利用鲁棒控制理论设计控制器

改善了光纤电流互感器系统的动态性能

提高了系统的鲁棒性。同时分析了光纤电流互感器的闭环检测原理

建立了系统的数学模型。最后

通过计算机仿真对鲁棒控制器进行了仿真验证。仿真结果表明

改进的控制器设计提高了光纤电流互感器的鲁棒性

可使系统在较大范围参数变化时仍具有良好的频率特性和阶跃响应速度。

Abstract

For improving fiber optic current transformer system’s dynamic response

the closed-loop detection principle of the fiber optic current transformer was analyzed

a system model was established

and its parameter uncertainty was considered.Therefore

a robust controller was designed with robust control theory according to the suitable performance index for the system.The simulation results indicate that the robust controller achieves high dynamic and robust performances when the parameters of the fiber optic current transformer system vary in a wide range.

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