Output-Voltage-Tracking Control for Buck Converters Using Variable Convergence Rate Mechanism Without Current Feedback

Seok-Kyoon Kim; Ki-Chan Kim; Choon Ki Ahn

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Output-Voltage-Tracking Control for Buck Converters Using Variable Convergence Rate Mechanism Without Current Feedback

机译：Output-Voltage-Tracking Control for Buck Converters Using Variable Convergence Rate Mechanism Without Current Feedback

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摘要

This article aims to accomplish the output voltage tracking task for buck converters without current feedback, diminishing the performance degradation from model-plant mismatches and load variations. The following contributions overcome these difficulties: a) the combination of Luenberger and disturbance observer (DOB) techniques for a parameter-independent voltage-derivative observer; b) the pole-zero cancellation control incorporating the DOB and active-damping injection techniques; and c) the exponential convergence guarantee to the target tracking system subject to the variable convergence rate mechanism. Convincing experimental evidence confirms the effectiveness of proposed tracking control using a prototype 3 kW buck converter control system.

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来源
《IEEE Transactions on Industrial Electronics》 |2022年第3期|2938-2946|共9页
作者
Seok-Kyoon Kim; Ki-Chan Kim; Choon Ki Ahn;
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作者单位

Hanbat National University;

Korea University;

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原文格式 PDF
正文语种英语
中图分类无线电电子学、电信技术;
关键词
Active-damping; buck converter; observers; variable convergence; Convergence; Voltage control; Observers; Target tracking; Buck converters; Manifolds; Load management;

Output-Voltage-Tracking Control for Buck Converters Using Variable Convergence Rate Mechanism Without Current Feedback

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