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PI stabilization of power converters with partial state measurements

Abstract : In a recent paper a procedure to design globally asymptotically stabilizing linear proportional plus integral controllers for switched power converters was proposed. The construction requires the measurement of the full state of the system, which is often unavailable in practice. In this note we identify a class of converters for which an asymptotically convergent reduced order observer, preserving the aforementioned stability property of the closed-loop, can be designed. The class is characterized by a simple linear matrix inequality. The new controller is illustrated with the widely-popular, and difficult to control, single-ended primary inductor converter, for which simulation and experimental results are presented.
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Contributor : Myriam Baverel <>
Submitted on : Monday, January 13, 2014 - 12:52:39 PM
Last modification on : Wednesday, September 16, 2020 - 4:42:48 PM

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Ali Jaafar, A. Allawieh, Roméo Ortega, Emmanuel Godoy. PI stabilization of power converters with partial state measurements. IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2013, 21 (2), pp.560-568. ⟨10.1109/TCST.2012.2186368⟩. ⟨hal-00927610⟩

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