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LPV Control with Pole Placement Constraints for Synchronous Buck Converters with Piecewise-Constant Loads

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  • Hwanyub Joo
  • Sung Hyun Kim

Abstract

This paper addresses the output regulation problem of synchronous buck converters with piecewise-constant load fluctuations via linear parameter varying (LPV) control scheme. To this end, an output-error state-space model is first derived in the form of LPV systems so that it can involve a mismatch error that temporally arises from the process of generating a feedforward control. Then, to attenuate the mismatch error in parallel with improving the transient behavior of the converter, this paper proposes an LMI-based stabilization condition capable of achieving both and pole-placement objectives. Finally, the simulation and experimental results are provided to show the validity of our approach.

Suggested Citation

  • Hwanyub Joo & Sung Hyun Kim, 2015. "LPV Control with Pole Placement Constraints for Synchronous Buck Converters with Piecewise-Constant Loads," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-8, May.
    • Handle: RePEc:hin:jnlmpe:686857
    DOI: 10.1155/2015/686857
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