Dynamic Analysis and Control Design Preliminaries

Abstract

This chapter introduces the basics behind the dynamic analysis and control dynamics, defines the concepts of open- and closed-loop systems, and presents the general sets of transfer functions for single-terminal input or output converters as well as for multi-terminal input or output converters in matrix, linear network, and control-engineering block diagram forms. It gives the basic dynamic representations to correspond to the true internal dynamics of the associated converters. The chapter also introduces the methods to address the effect of nonideal source and load in general forms yielding a number of impedance-like special parameters explaining the sensitivity/insensitivity of the associated converter to the source and load interactions. Furthermore, it discusses the models to develop the analytical transfer functions. The dynamic models for the converters under the control methods can be developed from the basic dynamic model by modifying the perturbed duty ratio or on-time with a proper duty ratio or on-time constraints.