Frequency‐shifting‐based algebraic approach to extended state observer design

Autor:	Marko Pranjic, Antonia Pender, Josip Kasać, Denis Kotarski
Rok vydání:	2021
Předmět:	Control and Systems Engineering Computer science Control theory ComputingMethodologies_SYMBOLICANDALGEBRAICMANIPULATION State observer Algebraic number Active disturbance rejection control active disturbance rejection control extended state observer algebraic state estimation peaking phenomenon
Zdroj:	Asian Journal of Control. 23:2171-2184
ISSN:	1934-6093 1561-8625
DOI:	10.1002/asjc.2516
Popis:	In this paper, a frequency-shifting-based (FSB) algebraic approach to the extended state observer (ESO) design is proposed. The proposed algebraic approach provides almost instantaneous convergence towards true values of the system states and disturbances. The main benefit of the proposed approach is the elimination of the peaking phenomenon, which is inevitable in the case of the conventional observer design. In comparison with the linear ESO, the proposed algebraic ESO is less sensitive to the choice of the observer bandwidth, and it is more robust to the measurement noise. The simulation results illustrate the efficiency of the proposed algebraic approach in comparison with the linear ESO.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c595fefb08c5805c56195e8a2f6bb837 https://doi.org/10.1002/asjc.2516 Zobrazit plný text záznamu Plný text