Analysis and IC Implement of Digitally Controlled Multi-Port DC -Dc Converters
Byoun, Jaesoo
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Permalink
https://hdl.handle.net/2142/81005
Description
Title
Analysis and IC Implement of Digitally Controlled Multi-Port DC -Dc Converters
Author(s)
Byoun, Jaesoo
Issue Date
2007
Doctoral Committee Chair(s)
Chapman, Patrick L.
Department of Study
Electrical and Computer Engineering
Discipline
Electrical and Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
This dissertation spans several aspects of digital control in a dc-dc converter. The efforts divide into three thrusts: (1) digital control system analysis, (2) design of IC-based digital controller, and (3) implementation and testing of the design. As for digital control system analysis, a time-invariant modeling concept is introduced by including switching frequency and sampling frequency. In digital controller design, two most important aspects that are covered are: (1) a multi-port single controller and (2) a digital phase modulator. These control techniques cannot be implemented in an analog controller. This shows that certain digital control techniques are suitable for specific functions that are not achievable or too expensive in analog. The proposed digital controller is implemented on a silicon IC.
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