Design, implementation and performance evaluation of different digital control techniques for current controlled DC-DC Buck converter

Q4 Engineering

International Journal of Power Electronics Pub Date : 2023-01-01 DOI:10.1504/ijpelec.2023.127549

Dipen M. Vachhani, Rajesh Arya, Uma Rathore Bhatt

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引用次数: 1

Abstract

The paper presents modelling, control architecture, analysis and design of digital compensators for single feedback-loop voltage mode control as well as two feedback-loop average current mode control and peak current mode control of current controlled DC-DC Buck converter operating in continuous conduction mode with output current as control variable. The compensators are derived using digital redesign approach, simulated on MATLAB, implemented as control algorithms on Texas Instruments' 32-bit TMS320F28069M microcontroller platform, and experimentally validated by testing with a laboratory prototype of current controlled Buck converter. Simulation and experimental results are discussed, compared and evaluated for converter output current performance in tracking reference current signal as well as in regulation against input voltage and load disturbances. Salient features of each control technique are identified and described to determine its suitability in applications of DC-DC converters requiring controlled output current.

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电流控制DC-DC降压变换器不同数字控制技术的设计、实现和性能评价

本文介绍了以输出电流为控制变量工作在连续导通模式下的电流控制DC-DC Buck变换器的单反馈回路电压模式控制、双反馈回路平均电流模式控制和峰值电流模式控制的数字补偿器的建模、控制结构、分析和设计。采用数字再设计方法推导补偿器，在MATLAB上进行仿真，在德州仪器32位TMS320F28069M微控制器平台上作为控制算法实现，并通过电流控制Buck变换器的实验室样机进行实验验证。讨论、比较和评价了变换器输出电流在跟踪参考电流信号以及调节输入电压和负载扰动方面的性能。识别和描述了每种控制技术的显著特征，以确定其在需要控制输出电流的DC-DC转换器应用中的适用性。

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来源期刊

International Journal of Power Electronics Engineering-Electrical and Electronic Engineering

CiteScore

1.30

自引率

0.00%

发文量