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Browsing by Author "Bobtsov, Alexey"
Now showing items 1-6 of 6
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Active damping of a DC network with a constant power load: an adaptive observer-based design
Machado, Juan; Ortega, Romeo; Astolfi, Alessandro; Arocas Pérez, José; Pyrkin, Anton; Bobtsov, Alexey; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessThis paper proposes a nonlinear, output feedback, adaptive controller to increase the stability margin of a direct-current (DC), small-scale, electrical network containing an unknown constant power load. Due to their ... -
An adaptive observer-based controller design for active damping of a DC network with a constant power load
Machado, Juan E.; Ortega, Romeo; Astolfi, Alessandro; Arocas Pérez, José; Pyrkin, Anton A.; Bobtsov, Alexey; Griñó Cubero, Robert (2021)
Article
Open AccessThis article explores a nonlinear, adaptive controller aimed at increasing the stability margin of a direct-current (dc), small-scale, electrical network containing an unknown constant power load (CPL). Due to its negative ... -
An almost globally stable adaptive phase-locked loop for synchronization of a voltage source converter to a weak grid
Zonetti, Daniele; Bobtsov, Alexey; Ortega Martínez, Romeo; Nikolaev, Nikolay; Gomis Bellmunt, Oriol (John Wiley & sons, 2023-01-01)
Article
Restricted access - publisher's policyIn this article we are interested in the problem of adaptive synchronization of a voltage source converter with a possibly weak grid with unknown angle and frequency, but knowledge of its parameters. To guarantee a suitable ... -
An observer-based composite identifier for online estimation of the Thévenin equivalent parameters of a power system
Zonetti, Daniele; Ortega, Romeo; Cisneros, Rafael; Bobtsov, Alexey; Mancilla David, Fernando; Gomis Bellmunt, Oriol (John Wiley & sons, 2024-03-15)
Article
Open AccessWe consider a Thévenin equivalent circuit capturing the dynamics of a power grid as seen from the point of common coupling with a power electronic converter and propose a solution to the problem of online identification ... -
Parameter estimation of some special classes of dynamical nonlinear systems with non-separable nonlinear parameterizations
Ortega Martínez, Romeo; Bobtsov, Alexey; Costa Castelló, Ramon; Nikolaev, Nikolay; Pyrkin, Anton A. (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Restricted access - publisher's policyIn this paper we address the challenging problem of designing globally convergent estimators for the parameters of nonlinear systems containing a non-separable exponential nonlinearity. This class of terms appears in many ... -
Parameter estimation of two classes of nonlinear systems with non-separable nonlinear parameterizations
Ortega Martínez, Romeo; Bobtsov, Alexey; Nikolaev, Nikolay; Costa Castelló, Ramon (Elsevier, 2024-05-01)
Article
Open AccessIn this paper we address the challenging problem of designing globally convergent estimators for the parameters of nonlinear systems containing an exponential function whose power depends on unknown parameters. This class ...