Authors

Angélica Mercedes Nivia-Vargas, Oscar Danilo Montoya, Nelsón Leonardo Díaz

Abstract

This paper presents the design and performance evaluation of a passivity-based proportional-integral control (PIPBC) strategy for a single-phase pulse-width modulated current source converter (PWM-CSC) supplying a linear load. The control law is derived from a port-Hamiltonian representation of the converter in order to ensure asymptotic stability using a Lyapunov-based approach with component-wise error signals. To improve the transient response and the method’s robustness under varying operating conditions, various gain scheduling strategies are examined, including constant gains, inverse scaling, and proportional scaling based on stored energy, as well as interpolation techniques using polynomial functions. The simulation results show that the proportional gain scaling method outperforms the other approaches in terms of the output current’s dynamic response and its total harmonic distortion (THD). This strategy strikes a superior balance between settling time, overshoot, and harmonic attenuation, making it a strong alternative for high-performance power electronics applications. This study concludes with a comparative analysis of the implemented control schemes and provides some considerations for future hardware validation.

Citation

  • Journal: 2025 22nd International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)
  • Year: 2025
  • Volume:
  • Issue:
  • Pages: 1–5
  • Publisher: IEEE
  • DOI: 10.1109/cce67728.2025.11271991

BibTeX

@inproceedings{Nivia_Vargas_2025,
  title={{Adaptive PI-PBC Performance via Proportional Gain Scaling in Single-Phase PWM-CSC under Linear Current Demand}},
  DOI={10.1109/cce67728.2025.11271991},
  booktitle={{2025 22nd International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)}},
  publisher={IEEE},
  author={Nivia-Vargas, Angélica Mercedes and Montoya, Oscar Danilo and Díaz, Nelsón Leonardo},
  year={2025},
  pages={1--5}
}

Download the bib file

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