State-vector feedback control based high-frequency carrier PWM power conversion amplifier with high-precision magnetic-field current-tracking scheme

Author

Fukuda, Hiroya ; Nakaoka, Mutsuo

Author_Institution

Dept. of Electr. & Electron. Eng., Kobe Univ., Hyogo Prefecture, Japan

fYear

1993

fDate

13-16 Sep 1993

Firstpage

11

Abstract

This paper presents performance evaluations of a high-frequency (100 kHz) carrier switched-mode PWM power conversion amplifier system for precise high-speed current tracking control of electromagnetic circuit. Its computer-aided analysis and some design considerations are described on the basis of state-space averaging analysis and model matching method. The proposed power conditioning system technology is more acceptable for the current-regulated power supply of magnetic resonance imaging (MRI) machines, which requires analog-oriented unique highly-regulated power electronic circuit systems for the generation of magnetic gradient fields

Keywords

circuit analysis computing; feedback; network synthesis; power amplifiers; power convertors; pulse width modulation; state-space methods; voltage control; 100 kHz; HF; PWM; SMPS; current tracking; magnetic resonance imaging; model matching method; performance evaluations; power amplifiers; power convertors; state vector feedback; state-space averaging analysis;

fLanguage

English

Publisher

iet

Conference_Titel

Power Electronics and Applications, 1993., Fifth European Conference on

Conference_Location

Brighton

Type

conf

Filename

264913