NDLI: Study on the digitally controlled system of ZCS-QRC synchronous buck converter

Content Provider	IEEE Xplore Digital Library
Author	Yuan Youchen Lv Yongdong Tong Gang
Copyright Year	2011
Description	Author affiliation: College of Automation and Electronic Engineering, Qingdao University of Science and Technology, 266042, China (Yuan Youchen; Lv Yongdong; Tong Gang)
Abstract	This paper analyses the basic characteristic of digitally controlled ZCS-QRC synchronous buck converter, calculates the accurate value of on time, off time and dead times of switching MOSFETs, and puts forward an averaged switch model of the converter. In the digitally controlled system, the algorithm of online adaptive tuning digital PID regulator is used to obtain good dynamic performances. The dead times are estimated by online Dead Time Optimizer, which guarantees the power switches working at the conditions of zero currents or zero voltages and high efficiency of the converter. The converter has lower EMI and higher precision of averaged switch model, and has very good convert efficiency under the condition of the load current is not very low. It will be helpful for the design and implementation of the digital control system with the precise averaged switch model.
Starting Page	4486
Ending Page	4491
File Size	232171
Page Count	6
File Format	PDF
ISBN	9781457706776
ISSN	21612927
e-ISBN	9789881725592
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Chinese Assoc of Automati
Subject Keyword	Adaptation models Regulators ZCS-QRC Heuristic algorithms Adaptive Modulation Dead Time Switches Synchronous Buck Converter Tuning
Content Type	Text
Resource Type	Article

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