Sampled-data observer design for sensorless control of wind energy conversion system with PMSG

Mohammed Hicham Zaggaf, Adil Mansouri, Abdelmounime El Magri, Aziz Watil, Rachid Lajouad, Lhoussain Bahatti

Abstract


This paper presents a nonlinear observer for a variable-speed wind energy conversion system (WECS) utilizing a permanent magnet synchronous generator (PMSG). The study addresses the design of high-gain sampled-data observers based on the nonlinear WECS model, supported by formal convergence analysis. An essential aspect of this observer design is the incorporation of a time-varying gain, significantly enhancing system performance. Convergence of estimation errors is demonstrated using the input-to-state stability method. Simulation of the proposed observer is conducted using the MATLAB-Simulink tool. The obtained results are presented and analyzed to showcase the overall effectiveness of the proposed system.

Keywords


Input-to-state stability ISS; Sampled-data observer; Sensorless observers; Time-varying gain; Wind energy conversion system

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DOI: http://doi.org/10.11591/ijeecs.v35.i1.pp52-61

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The Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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