FPGA-based system for electromagnetic interference evaluation in random modulated DC/DC converters

Hermes Loschi*, Piotr Lezynski, Robert Smolenski, Douglas Nascimento, Wojciech Sleszynski

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)
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Abstract

Field-Programmable Gate Array (FPGA) provides the possibility to design new “electromagnetic compatibility (EMC) friendly” control techniques for power electronic converters. Such control techniques use pseudo-random modulators (RanM) to control the converter switches. However, some issues connected with the FPGA-based design of RanM, such as matching the range of fixed-point numbers, might be challenging. The modern programming tools, such as LabVIEW, may facilitate the design process, but there are still fixed-point operations and limitations in arithmetic operations. This paper presents the design insights on the FPGA-based EMC friendly control system for DC/DC converter. Probability density functions (PDF) are used to analyse and improve pseudo-random algorithms. The theoretical algorithms, hardware details and experimental results are presented and discussed in terms of conducted electromagnetic interference emission.

Original languageEnglish
Article number2389
JournalEnergies
Volume13
Issue number9
DOIs
Publication statusPublished - May 2020
Externally publishedYes

Keywords

  • Conducted interference
  • DC-DC power converters
  • Electromagnetic compatibility
  • FPGA
  • Random modulation
  • Systems control

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