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Title:Large-signal tools for power electronics: State space analysis and averaging theory
Author(s):Bass, Richard Morgan
Doctoral Committee Chair(s):Krein, Philip T.
Department / Program:Electrical and Computer Engineering
Discipline:Electrical and Computer Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Electronics and Electrical
Abstract:This thesis explores the application of nonlinear methods to the practical problems of switching power converter analysis and design. Based on switching algebra, a formalism for large-signal component modeling is developed. The governing equation is formulated for a general class of mixed-mode circuit models containing ideal switches. The geometric interpretation of the governing equation in the state space is developed. This interpretation provides a cogent framework for understanding feedback control and unusual instability phenomena. The classical theory of averaging for systems of ordinary differential equations is applied to power electronic systems. A theoretical basis for widely used averaging approximation techniques is developed. Three new large-signal tools are introduced which are an outgrowth of the basic theory developed. Three large-signal experiments are reported which test the modeling formalism and the geometric and averaging concepts introduced.
Issue Date:1990
Rights Information:Copyright 1990 Bass, Richard Morgan
Date Available in IDEALS:2011-05-07
Identifier in Online Catalog:AAI9125967
OCLC Identifier:(UMI)AAI9125967

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