Design and Implementation of Adaptive Energy Shaping Control for DC–DC Converters With Constant Power Loads - Archive ouverte HAL Access content directly
Journal Articles IEEE Transactions on Industrial Informatics Year : 2020

Design and Implementation of Adaptive Energy Shaping Control for DC–DC Converters With Constant Power Loads

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Wei He
Romeo Ortega

Abstract

The negative impedance caused by constant power load (CPL) may lead to the instability of overall power system. In this article, the regulation problem of output voltage of dc-dc converters subject to unknown CPLs is addressed. Our main contribution in this article is to design an adaptive energy shaping control (ESC) algorithm, which combines passivity theory with immersion and invariance technology, to stabilize dc-dc buck converter and boost converter with CPLs, respectively. Three good features of the proposed control method are that (1) the stability analysis and controller design are based on large signal model, (2) the proposed control scheme is implemented without needing the knowledge of power load, and (3) the estimation of domain of attraction is presented to guarantee strictly the asymptotic convergence of closed-loop system. The performance of the proposed controller is assessed via detailed simulation and experimental results.
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Dates and versions

hal-03387954 , version 1 (20-10-2021)

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Wei He, Romeo Ortega. Design and Implementation of Adaptive Energy Shaping Control for DC–DC Converters With Constant Power Loads. IEEE Transactions on Industrial Informatics, 2020, 16 (8), pp.5053-5064. ⟨10.1109/TII.2019.2953694⟩. ⟨hal-03387954⟩
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