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On Control of a Boost DC-DC Power Converter under Constrained Input

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  • Javier Moreno-Valenzuela
  • Octavio García-Alarcón

Abstract

In this paper, a new controller for a boost DC-DC (direct current to direct current) power converter is proposed. The discussed DC-DC boost converter model considers the losses coming from the inductor and capacitor. The novel control scheme takes into account that the duty cycle is constrained to physically admissible values. The analysis of the closed-loop trajectories provides the conclusion that output voltage regulation is achieved in asymptotic form. In addition, the problem of uncertain supply voltage and unmeasurable inductor current is also addressed by using an observer together with the proposed control law. Our theoretical results are supported by using numerical simulations and experimental tests. Comparisons with respect to known approaches are presented.

Suggested Citation

  • Javier Moreno-Valenzuela & Octavio García-Alarcón, 2017. "On Control of a Boost DC-DC Power Converter under Constrained Input," Complexity, Hindawi, vol. 2017, pages 1-11, January.
    • Handle: RePEc:hin:complx:4143901
    DOI: 10.1155/2017/4143901
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