Control-oriented modeling of wireless power transfer systems with phase-shift control

Abstract : This paper investigates control-oriented modeling of a class of wireless power transfer systems with a phase-shift controlled inverter. Two methods are studied: the conventional analytical modeling method which is based on physical laws, and the refined instrumental variable method which is based on sampled data. It shows that the former provides good physical insights into the system, and that the resulting models are accurate when the true circuit component parameters are known. However, poor results may be obtained if this condition is not satisfied. By contrast, the later provides a cheap solution for accurate modeling, which requires a set of sampled input-output data only and the resulting model can capture very well the dynamic behavior of the system within its operating range. To have virtues of both methods, it is therefore suggested to use them as a combination, that is, using the analytical method to determine the model order while using the data-driven method to estimate the model parameters. All results derived in this paper are verified by means of both numerical simulation and experimental validation.
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https://hal.archives-ouvertes.fr/hal-02188741
Contributor : Fengwei Chen <>
Submitted on : Thursday, July 18, 2019 - 5:04:26 PM
Last modification on : Saturday, November 23, 2019 - 7:24:11 PM

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Fengwei Chen, Hugues Garnier, Qijun Deng, Marian Kazimierczuk, Xiangtao Zhuan. Control-oriented modeling of wireless power transfer systems with phase-shift control. IEEE Transactions on Power Electronics, Institute of Electrical and Electronics Engineers, 2020, 35 (2), pp.2119-2134. ⟨10.1109/TPEL.2019.2920863⟩. ⟨hal-02188741⟩

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