Authors

Oscar Montoya, Walter Gil-Gonzalez, Alejandro Garces, Federico Serra, J.C. Hernandez

Abstract

This paper proposes a proportional-integral passivity-based controller (PI-PBC) for supporting voltage in linear loads integrated with Ćuk converters. An adaptive load estimator is also employed to avoid current measurements at the load point. This estimator permits an on-line estimation of the load conductance for maintaining the output voltage as constant as possible independent of its variations. The proposed PI-PBC allows guaranteeing stability conditions in Lyapunov’s sense for a closed-loop operation by exploiting the port-Hamiltonian structure of the Ćuk converter model. Numerical simulations evidence the advantages of using PI actions for PBC designs compared with the classical interconnection and damping (IDA-PBC) approach. All numerical simulations are conducted via MATLAB/Simulink software.

Citation

  • Journal: 2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)
  • Year: 2020
  • Volume:
  • Issue:
  • Pages: 1–5
  • Publisher: IEEE
  • DOI: 10.1109/ropec50909.2020.9258716

BibTeX

@inproceedings{Montoya_2020,
  title={{PI-PBC Approach for Voltage Regulation in Ćuk Converters with Adaptive Load Estimation}},
  DOI={10.1109/ropec50909.2020.9258716},
  booktitle={{2020 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)}},
  publisher={IEEE},
  author={Montoya, Oscar and Gil-Gonzalez, Walter and Garces, Alejandro and Serra, Federico and Hernandez, J.C.},
  year={2020},
  pages={1--5}
}

Download the bib file

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