Optimal Digital State-Space Control of a Sirius Modular Current Source Prototype

被引：0
|
作者：
Thiago Trindade Cardoso
Fernando Henrique de Oliveira
Cleber Rodrigues
Douglas de Assis Ferreira
Pedro Machado de Almeida
André Augusto Ferreira
机构：
[1] Federal University of Juiz de Fora (UFJF),
[2] Brazilian Center for Research in Energy and Materials,undefined
来源：
Journal of Control, Automation and Electrical Systems | 2021年 / 32卷
关键词：
Digital control; Linear quadratic regulator; Modular current source; Sirius; State observer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents the analysis and design of an optimal digital state-space control technique applied to a Sirius (the new Brazilian synchrotron light source) current source prototype. The aim is to design a suitable control to meet the demands of particle accelerator magnetic loads. The modular current source comprises of a full-bridge converter series connected to a third-order low-pass filter. A comprehensive plant model is detailed and experimentally validated. The Digital Linear Quadratic Regulator is used to optimize the placement of the closed-loop poles. However, due to limitations of sensors, a reduced-order observer is used. Simulation results are used to compare the Optimal Digital State-Space Control with the RST control strategy. Experimental results are used to validate the proposed control law.
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页码：1578 / 1587
页数：9
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