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https://hdl.handle.net/20.500.11851/8236
Title: | A nonlinear disturbance observer scheme for discrete time control systems | Authors: | Efe, Mehmet Önder Kasnakoğlu, Coşku |
Keywords: | Discrete time disturbance observer robust control nonlinear Q-filter S-filter Rejection |
Publisher: | Tubitak Scientific & Technical Research Council Turkey | Abstract: | This paper presents a modification to the original disturbance observer based control (DOBC) scheme by redefining the lowpass filter using a nonlinear element. The proposed technique improves the disturbance prediction performance for both small and large magnitude disturbance signals. The contribution of the current work is to unfold the stability and performance conditions under the proposed modification. A comparative set of simulation studies are discussed and it is seen that the proposed modification results in smaller disturbance prediction error energy and smaller tracking error energy when the plant model is discrete time and uncertain. | URI: | https://search.trdizin.gov.tr/yayin/detay/514962 https://doi.org/10.3906/elk-2005-206 https://hdl.handle.net/20.500.11851/8236 |
ISSN: | 1300-0632 1303-6203 |
Appears in Collections: | Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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