Title :
Deadbeat current control for a voltage-fed PWM inverter with delayed input voltage feedback
Author :
Cho, Kwan Yuhi ; Oh, Dong Seong ; Youn, Myung Joong
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea
fDate :
28 Oct-1 Nov 1991
Abstract :
A novel current control technique for the voltage-fed PWM (pulse-width-modulated) inverter is presented. This control method consists of two main parts. One is the pulse-width modulator realized by the symmetrical uniform equilateral triangular sampling method; this part is easily implemented using a microprocessor-based system. The other is the discretized stabilizing current controller independent of EMFs, using delayed input voltage feedback, this part is designed to reduce the error currents as fast as possible by the deadbeat control strategy with parameter adaptation. Computer simulation for the proposed controller has been carried out, and the results show good static and dynamic performances
Keywords :
control system analysis computing; digital control; digital simulation; discrete systems; electric current control; feedback; invertors; microcomputer applications; pulse width modulation; PWM; PWM inverter; VSI; control system analysis computing; current control; deadbeat control; delayed input voltage feedback; digital control; digital simulation; discrete systems; microprocessors; parameter adaptation; stability; symmetrical uniform equilateral triangular sampling method; Computer errors; Current control; Delay; Feedback; Pulse inverters; Pulse width modulation; Pulse width modulation inverters; Sampling methods; Space vector pulse width modulation; Voltage control;
Conference_Titel :
Industrial Electronics, Control and Instrumentation, 1991. Proceedings. IECON '91., 1991 International Conference on
Conference_Location :
Kobe
Print_ISBN :
0-87942-688-8
DOI :
10.1109/IECON.1991.239288
