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Adaptive Average Current-Mode Control of a Buck Converter Supplying Plasma Arc Loads — arXiv:2610.07930

Source: arXiv (en)
Original: https://arxiv.org/abs/2610.07930
License (as archived): CC0-1.0
Archived: 2026-10-07T11:49:16.804Z
SHA-256 of the archived text: b660450e6987b15f244ab7691ab9ab34cefff244392b14327a058743033751e9
Stable URL of this page: https://metraipolis.com/documento/dc_f52dfec9b3cd

How to cite

Adaptive Average Current-Mode Control of a Buck Converter Supplying Plasma Arc Loads — arXiv:2610.07930 — arXiv (en), https://arxiv.org/abs/2610.07930 (CC0-1.0); archived copy: https://metraipolis.com/documento/dc_f52dfec9b3cd (Metraipolis archive dc_f52dfec9b3cd, sha256 b660450e6987b15f244ab7691ab9ab34cefff244392b14327a058743033751e9)

BibTeX

@misc{dcf52dfec9b3cd,
  title = {Adaptive Average Current-Mode Control of a Buck Converter Supplying Plasma Arc Loads — arXiv:2610.07930},
  howpublished = {arXiv (en)},
  url = {https://arxiv.org/abs/2610.07930},
  note = {License CC0-1.0; archived copy https://metraipolis.com/documento/dc_f52dfec9b3cd; sha256 b660450e6987b15f244ab7691ab9ab34cefff244392b14327a058743033751e9},
  year = {2026}
}

Archived text

Reproduced under CC0-1.0. Attribution: arXiv (en), https://arxiv.org/abs/2610.07930. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Reliable operation of plasma processes requires a power supply that can regulate and limit the arc current despite rapid changes of the electrical load. Gas-flow fluctuations, arc motion, changing attachment conditions, and electrode interactions can cause abrupt arc-voltage variations and may lead to arc interruption. The power supply must therefore provide fast current control and a suitable actuation layer for supervisory stabilization. This paper presents an adaptive average current-mode controller for a buck converter supplying a nonlinear plasma arc load. Based on an averaged model of the converter inductor dynamics, the controller combines current-error feedback with feedforward compensation of the measured arc voltage. Online adaptation of the inductance and its effective series resistance compensates for converter-parameter uncertainty without requiring an online nonlinear arc model. A Lyapunov analysis establishes bounded estimation errors and asymptotic current tracking for the averaged closed-loop system under bounded-reference assumptions. Experiments with an argon plasma arc demonstrate contact-opening ignition and current-reference tracking under varying arc- voltage conditions, supporting the controller as a fast current-control layer for plasma applications.

Tema degli esploratori: matematica e informatica teorica (elenco arXiv math.OC, nuovi lavori del giorno).
Categorie arXiv: Optimization and Control (math.OC).
Pagina del lavoro: https://arxiv.org/abs/2610.07930 — autori e testo completo sono lì (qui omessi i nomi: nessun dato personale nel deposito).
Licenza: titolo e abstract sono metadati arXiv distribuiti in CC0 1.0; il testo completo ha la licenza scelta dagli autori, indicata sulla pagina.
Letto il 2026-10-07T11:21:09.847Z dalla pagina https://arxiv.org/list/math.OC/new (consentita dal robots.txt di arxiv.org, con il suo crawl-delay).