التفاصيل البيبلوغرافية
| العنوان: |
Decoupled Unknown Input Observer for Takagi-Sugeno Systems: Hardware-in-the-Loop Validation to Synchronous Reluctance Motor. |
| المؤلفون: |
Hamdi, Wail, Saadi, Ramzi, Hammoudi, Mohamed Yacine, Hamiane, Madina |
| المصدر: |
Electronics & Electrical Engineering; 2024, Vol. 30 Issue 3, p23-31, 9p |
| مصطلحات موضوعية: |
RELUCTANCE motors, SYNCHRONOUS electric motors, LINEAR matrix inequalities, LYAPUNOV functions |
| مستخلص: |
This paper introduces a decoupled unknown input observer (DUIO) for Takagi-Sugeno (T-S) systems, designed specifically for the synchronous reluctance motor (SynRM). The proposed DUIO method demonstrates enhanced robustness and accuracy in state estimation by effectively decoupling the influence of unknown inputs from the estimation error dynamics. Furthermore, the DUIO exhibits superior performance compared to the proportional integral observer (PIO) and the proportional multi-integral observer (PMIO) presented in previous studies, without the need for prior knowledge of the unknown input form or assumptions regarding its boundedness. Stability conditions, achieved using the quadratic Lyapunov function, are expressed as linear matrix inequalities (LMIs), which ensure asymptotic convergence of the estimation error. The effectiveness of the DUIO method is further validated in various scenarios through hardware-in-the-loop (HIL) implementation. This innovative approach significantly enhances the accuracy and reliability of SynRM state estimations and unknown input detections. [ABSTRACT FROM AUTHOR] |
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