Passivity-Based PI Control of Boost Converters with Gain Scheduling in Continuous Conduction Mode

Authors

Francisco Daniel Esteban, Federico Martin Serra, Oscar Danilo Montoya, César Leonardo Trujillo, Walter Gil-González

Abstract

Using a proportional-integral passivity-based control (PI-PBC) framework, this paper addresses the modeling and nonlinear control of a DC-DC boost converter operating in continuous conduction mode (CCM). The converter is first described through an averaged state-space model, which is reformulated as a port-Hamiltonian (pH) structure to facilitate energy-based control design. A PI-PBC law is proposed using component-wise error signals, and its stability is rigorously demonstrated via Lyapunov analysis. To improve dynamic performance across varying operating points, a gain-scheduling formulation is introduced, allowing the control gains to adapt as functions of the desired equilibrium state. The simulation results confirm that the proposed PI-PBC strategy provides accurate voltage regulation and fast transient response while ensuring continuous conduction. The controller exhibits robustness under reference changes and load disturbances, and the gain-scheduled designs outperform constant-gain implementations in terms of overshoot reduction and settling time.

Citation

• Journal: 2025 IEEE 7th Colombian Conference on Automatic Control (CCAC)
• Year: 2025
• Volume:
• Issue:
• Pages: 1–6
• Publisher: IEEE
• DOI: 10.1109/ccac64704.2025.11259308

BibTeX

@inproceedings{Esteban_2025,
  title={{Passivity-Based PI Control of Boost Converters with Gain Scheduling in Continuous Conduction Mode}},
  DOI={10.1109/ccac64704.2025.11259308},
  booktitle={{2025 IEEE 7th Colombian Conference on Automatic Control (CCAC)}},
  publisher={IEEE},
  author={Esteban, Francisco Daniel and Serra, Federico Martin and Montoya, Oscar Danilo and Trujillo, César Leonardo and Gil-González, Walter},
  year={2025},
  pages={1--6}
}

Download the bib file

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