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Adaptive Sensorless PI+Passivity-Based Control of a Boost Converter Supplying an Unknown CPL

Author

Listed:
  • Sebastián Riffo

    (Department of Electrical Engineering, Universidad de Talca, Curicó 3340000, Chile)

  • Walter Gil-González

    (Department of Electrical Engineering, Universidad Tecnológica de Pereira, Pereira 660003, Colombia)

  • Oscar Danilo Montoya

    (Grupo de Compatibilidad e Interferencia Electromagnética, Facultad de Ingeniería, Universidad Distrital Francisco José de Caldas, Bogotá 110231, Colombia
    Laboratorio Inteligente de Energía, Facultad de Ingeniería, Universidad Tecnológica de Bolívar, Cartagena 131001, Colombia)

  • Carlos Restrepo

    (Department of Electrical Engineering, Universidad de Talca, Curicó 3340000, Chile
    Principal Investigator Millenium Institute on Green Ammonia as Energy Vector (MIGA), Santiago de Chile 7820436, Chile)

  • Javier Muñoz

    (Laboratorio Inteligente de Energía, Facultad de Ingeniería, Universidad Tecnológica de Bolívar, Cartagena 131001, Colombia)

Abstract

This paper presents an adaptive control to stabilize the output voltage of a DC–DC boost converter that feeds an unknown constant power load (CPL). The proposed controller employs passivity-based control (PBC), which assigns a desired system energy to compensate for the negative impedance that may be generated by a CPL. A proportional-integral (PI) action that maintains a passive output is added to the PBC to impose the desired damping and enhance disturbance rejection behavior, thus forming a PI+PBC control. In addition, the proposed controller includes two estimators, i.e., immersion and invariance (I&I), and disturbance observer (DO), in order to estimate CPL and supply voltage for the converter, respectively. These observers become the proposed controller for an adaptive, sensorless PI+PBC control. Phase portrait analysis and experimental results have validated the robustness and effectiveness of the adaptive proposed control approach. These results show that the proposed controller adequately regulates the output voltage of the DC–DC boost converter under variations of the input voltage and CPL simultaneously.

Suggested Citation

  • Sebastián Riffo & Walter Gil-González & Oscar Danilo Montoya & Carlos Restrepo & Javier Muñoz, 2022. "Adaptive Sensorless PI+Passivity-Based Control of a Boost Converter Supplying an Unknown CPL," Mathematics, MDPI, vol. 10(22), pages 1-15, November.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:22:p:4321-:d:976172
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    References listed on IDEAS

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    1. Mohammed Kh. AL-Nussairi & Ramazan Bayindir & Sanjeevikumar Padmanaban & Lucian Mihet-Popa & Pierluigi Siano, 2017. "Constant Power Loads (CPL) with Microgrids: Problem Definition, Stability Analysis and Compensation Techniques," Energies, MDPI, vol. 10(10), pages 1-20, October.
    2. Chen, Qi-Xin & Chang, Xiao-Heng, 2022. "Resilient filter of nonlinear network systems with dynamic event-triggered mechanism and hybrid cyber attack," Applied Mathematics and Computation, Elsevier, vol. 434(C).
    3. Yi Chang & Peng Zhou & Ben Niu & Huanqing Wang & Ning Xu & M. O. Alassafi & A. M. Ahmad, 2021. "Switched-observer-based adaptive output-feedback control design with unknown gain for pure-feedback switched nonlinear systems via average dwell time," International Journal of Systems Science, Taylor & Francis Journals, vol. 52(9), pages 1731-1745, July.
    4. Di Xie & Liangliang Wang & Zhi Zhang & Shoumo Wang & Longyun Kang & Jigang Yao, 2022. "Photovoltaic Energy Storage System Based on Bidirectional LLC Resonant Converter Control Technology," Energies, MDPI, vol. 15(17), pages 1-18, September.
    5. Anindya Bharatee & Pravat Kumar Ray & Bidyadhar Subudhi & Arnab Ghosh, 2022. "Power Management Strategies in a Hybrid Energy Storage System Integrated AC/DC Microgrid: A Review," Energies, MDPI, vol. 15(19), pages 1-18, September.
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    Cited by:

    1. Razvan Mocanu & Alexandru Onea, 2023. "A Passive-Constrained Observer and Controller Applied to an In-Wheel Synchronous Machine Implemented on a Fixed-Point DSP," Mathematics, MDPI, vol. 11(8), pages 1-21, April.

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