Minimum-Deviation Transient Response in Non-Inverting Buck-Boost DC-DC Converters

被引：1
|
作者：
Celikovic, Janko [1 ]
Cavallini, Pier [2 ]
Abedinpour, Siamak [2 ]
Maksimovic, Dragan [1 ]
机构：
[1] Univ Colorado, Dept Elect Comp & Energy Engn, Colorado Power Elect Ctr, Boulder, CO 80309 USA
[2] Dialog Semicond, Chandler, AZ 85226 USA
来源：
2020 IEEE 21ST WORKSHOP ON CONTROL AND MODELING FOR POWER ELECTRONICS (COMPEL) | 2020年
关键词：
D O I：
10.1109/compel49091.2020.9265704
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper introduces novel minimum-deviation control methods to improve step-load transient responses in non-inverting (four-switch) buck-boost dc-dc converters. The approach utilizes all possible switching states to achieve substantial transient response improvements compared to buckonly or boost-only minimum-deviation or time-optimal control (TOC) methods. Using state-plane trajectory analysis, analytical solutions with necessary conditions are developed for step-up and step-down load transient scenarios in both buck and boost modes of operation. An experimental low-voltage prototype intended for mobile applications is used for experimental verification. High effectiveness of the proposed solution is verified by circuit simulations and experiments.
引用
收藏
页码：602 / 609
页数：8
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