Construction of flat outputs of nonlinear discrete-time systems in a geometric and an algebraic frameworkKolar, Bernd; Kaldmäe, Arvo; Schöberl, Markus; Kotta, Ülle; Schlacher, KurtIFAC-PapersOnLine2016 / p. 796-801 https://doi.org/10.1016/j.ifacol.2016.10.263 Conference Proceedings at Scopus Article at Scopus Article at WOS Feedback linearization and lattice theoryKotta, Ülle; Tõnso, Maris; Shumsky, Alexey Ye.; Zhirabok, Alexey N.Systems & control letters2013 / p. 248-255 https://doi.org/10.1016/j.sysconle.2012.11.014 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Feedback linearization of an active magnetic bearing system operated with a zero-bias fluxMystkowski, Arkadiusz; Kaparin, Vadim; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, MarisInternational journal of applied mathematics and computer science2017 / p. 539-548 : ill https://doi.org/10.1515/amcs-2017-0038 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Feedback linearization of possibly non-smooth systemsKaldmäe, Arvo; Kotta, Ülle; Shumsky, Alexey; Zhirabok, AlexeyProceedings of the Estonian Academy of Sciences2017 / p. 109-123 https://doi.org/10.3176/proc.2017.2.01 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2820923*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS NN-SANARX model based control of a multi tank liquid-level systemBelikov, Juri; Petlenkov, EduardInternational journal of computational intelligence systems2015 / p. 265-277 http://dx.doi.org/10.1080/18756891.2015.1001950 On flatness of discrete-time nonlinear systemsKaldmäe, Arvo; Kotta, Ülle9th IFAC Symposium on Nonlinear Control Systems 2013 : Toulouse, France, 4 - 6 September 20132013 / p. 588 - 593 https://doi.org/10.3182/20130904-3-FR-2041.00017 Conference Proceedings at Scopus Article at Scopus Optimal tuning of fractional order sliding mode controller for PMSM speed using neural network with reinforcement learningZahraoui, Younes; Zaihidee, Fardila M.; Kermadi, Mostefa; Mekhilef, Saad; Alhamrouni, Ibrahim; Seyedmahmoudian, Mehdi; Stojcevski, AlexEnergies2023 / art. 4353 https://doi.org/10.3390/en16114353 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS State feedback linearization of nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Belikov, Juri; Kotta, Ülle; Wyrwas, MałgorzataNonlinear analysis: hybrid systems2019 / p. 69-85 https://doi.org/10.1016/j.nahs.2018.08.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Static state feedback linearization of nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataMathematics of control, signals, and systems2015 / p. 523-550 https://doi.org/10.1007/s00498-015-0150-5 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS