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Non-linear control design for a boost converter using bond graphs

Abstract : The bond graph technique is applied to model a boost converter in order to derive an averaged model. The obtained averaged model is non-ideal as it takes into account most of the converter non-linearities introduced by power semiconductor devices. An ideal averaged model of the converter can be deduced easily for computing a non-linear control law in a real-time control context. The current-mode control of the boost converter is considered. The zero dynamics are studied by both classical theory and the bond graph approach. A modified version of a conventional nonlinear control law is proposed in order to improve the dynamic behaviour and to reduce the sensitivity to control model errors, The non-ideal averaged model is used firstly for simulation analyses of the proposed control law and then for comparison with experimental results.
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https://hal.archives-ouvertes.fr/hal-00140094
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Submitted on : Wednesday, April 4, 2007 - 9:32:58 PM
Last modification on : Wednesday, November 20, 2019 - 3:22:19 AM

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  • HAL Id : hal-00140094, version 1

Citation

Xuefang Lin-Shi, Jean-Marie Rétif, Bruno Allard, Hervé Morel. Non-linear control design for a boost converter using bond graphs. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, SAGE Publications, 2002, 216 (I1), pp.1-11. ⟨hal-00140094⟩

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