Geometric formulation, classification and methods for power electronic systems

Philip T Krein, Richard M. Bass

Research output: Contribution to journalArticlepeer-review


A systematic approach to the formulation of continuous-time dynamic equations for switching power converters is presented. A new modeling formalism for semiconductor switches is developed as part of this approach. The general structure of the equations is investigated, and, based on a geometric interpretation of the equations, a classification scheme is proposed. Nonlinear methods for analysis and control appropriate to each class are examined. A comparison of current mode and voltage mode DC-DC converter control is presented as an example.

Original languageEnglish (US)
Pages (from-to)499-505
Number of pages7
JournalPESC Record - IEEE Annual Power Electronics Specialists Conference
StatePublished - 1990

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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