Enhanced Lyapunov-Hamiltonian Control Law for Multi-Cell Fuel Cell Boost Converter for Constant Power Load Stability Issue in DC Microgrid

Authors

Orathai Lueyos, Burin Yodwong, Pongsiri Mungporn, Thanet Sriprom, Wuttikai Tammawan, Tatapong Phondee, Babak Nahid-Mobarakeh, Serge Pierfederici, Anon Namin, Anusorn Yodjaiphet, Phatiphat Thounthong

Abstract

This paper proposes an adaptive Lyapunov–Hamiltonian control strategy for multi-cell (interleaved) boost converters in fuel-cell-based DC microgrids. Conventional cascade PI loops and small-signal designs struggle with constant-power loads (CPLs), whose negative incremental impedance can destabilize the DC bus. Using the port-Hamiltonian formalism, our approach links the Lyapunov function to the system Hamiltonian, achieving large-signal stability via energy shaping and damping assignment. We also introduce an adaptive inductor-current set-point generator requiring only three physically meaningful tuning gains. Hardware tests on a 2.5 kW, two-cell interleaved PEMFC boost converter—implemented on a 2.0 GHz dual-core 64-bit DSP—show precise DC-bus regulation, equalized current sharing, and strong dynamics under CPL disturbances. Overall, the method is scalable, robust, and physically interpretable for stabilizing FC-powered DC microgrids.

Keywords

constant power load (cpl), dc microgrid, fuel cell (fc), hamiltonian function, homogeneous equation, hydrogen, interleaved boost converter, lyapunov stability

Citation

ISBN: 9789819594412
Publisher: Springer Nature Singapore
DOI: 10.1007/978-981-95-9442-9_25
Note: International Conference on Electronics and Electrical Engineering Technology

BibTeX

@inbook{Lueyos_2026,
  title={{Enhanced Lyapunov-Hamiltonian Control Law for Multi-Cell Fuel Cell Boost Converter for Constant Power Load Stability Issue in DC Microgrid}},
  ISBN={9789819594429},
  ISSN={1876-1119},
  DOI={10.1007/978-981-95-9442-9_25},
  booktitle={{Proceedings of The 8th International Conference on Electronics and Electrical Engineering Technology}},
  publisher={Springer Nature Singapore},
  author={Lueyos, Orathai and Yodwong, Burin and Mungporn, Pongsiri and Sriprom, Thanet and Tammawan, Wuttikai and Phondee, Tatapong and Nahid-Mobarakeh, Babak and Pierfederici, Serge and Namin, Anon and Yodjaiphet, Anusorn and Thounthong, Phatiphat},
  year={2026},
  pages={329--342}
}

Download the bib file

References

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