Hybrid Analog and Digital Control of a High Current Converter Based on an EDLC Bank for Rapidly Decreasing Input Voltage
- Authors
- Baek, Ji-Eun; Rhee, Jae-Ho; Ko, Kwang-Cheol
- Issue Date
- Jan-2019
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Capacitive energy storage; dc-dc converter; electric double-layer capacitor (EDLC); energy storage; feed-forward control; high power converter; power control; prime power source
- Citation
- IEEE TRANSACTIONS ON PLASMA SCIENCE, v.47, no.1, pp.542 - 548
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON PLASMA SCIENCE
- Volume
- 47
- Number
- 1
- Start Page
- 542
- End Page
- 548
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/148491
- DOI
- 10.1109/TPS.2018.2885404
- ISSN
- 0093-3813
- Abstract
- This paper proposes unconventional control techniques for a portable power supply consisting of electric double-layer capacitors (EDLCs), a dc-dc converter, and a low-impedance load such a plasma load. Between the EDLCs and the plasma load consuming high power, a dc-dc converter is required to control the output voltage from the rapidly decreasing voltage of EDLCs. In addition, the dc-dc converter should maintain a set point by responding to arcs occurred in plasma process. This paper proposed hybrid analog and digital controls for a nonideal boost converter which was setup by theoretical analysis. The proposed system is verified with experiment and simulation. As a result, the proposed control method can maintain the constant output voltage longer than a traditional analog pulsewidth modulation control.
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