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Swarm-based robust fixed-structure controller design for buck converter using Kharitonov approach: design and experiment

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Abstract

A key challenge of DC–DC converters is designing an appropriate controller for reaching the output voltage to steady-state in a limited time with small variation. In addition, the parameters of converters may be affected by different factors that can make difficulties to voltage regulation. Robust control theory is a significant method to deal with this problem. Despite high efficiency, the high-order robust controllers may not be feasible for real-time implementation due to the hardware and computational limitations. In this paper, we study the swarm-based robust controller design with fixed-structure for DC–DC converter using the Kharitonov approach. The developed algorithm allows implementing the simple structure controllers that guarantees both robust stability and performance. The controller behavior is validated and compared with other related works. Experiments are provided to demonstrate the feasibility of the designed controller.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, Shahrood University of Technology, Shahrood, Iran

    Ali Ghassab Sedehi & Alireza Alfi

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  1. Ali Ghassab Sedehi
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  2. Alireza Alfi
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Correspondence to Alireza Alfi.

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Sedehi, A.G., Alfi, A. Swarm-based robust fixed-structure controller design for buck converter using Kharitonov approach: design and experiment. Int. J. Dynam. Control 10, 1251–1264 (2022). https://doi.org/10.1007/s40435-021-00878-1

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  • DOI: https://doi.org/10.1007/s40435-021-00878-1

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