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Content available Application of Digital Control Techniques for Satellite Medium Power DC-DC Converters
Skup K. R., Grudziński P., Orleański P.
International Journal of Electronics and Telecommunications
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2011
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Vol. 57, No. 1
77-83
EN
The objective of this paper is to present a work concerning a digital control loop system for satellite medium power DC-DC converters that is done in Space Research Centre. The whole control process of a described power converter is based on a high speed digital signal processing. The paper presents a development of a FPGA digital controller for voltage and current mode stabilization that was implemented using VHDL. The described controllers are based on a classical digital PID controller. The converter used for testing is a 200 kHz, 750W buck converter with 50V/15A output. A high resolution digital PWM approach is presented. Additionally a simple and effective solution of filtering of an analog-to-digital converter output is presented.
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