Accessibility conditions of MIMO nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataMathematical control and related fields2016 / p. 217-250 https://doi.org/10.3934/mcrf.2016002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Algebraic approach for analysis and control of a water tank systemBelikov, Juri; Kotta, Ülle; Tepljakov, AlekseiInformation technology and control2016 / p. 175-183 : ill https://doi.org/10.5755/j01.itc.45.2.13212 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Algebraic necessary and sufficient condition for difference flatnessKaldmäe, ArvoInternational Journal of Control2021 / 8 p https://doi.org/10.1080/00207179.2021.1908598 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

An algorithm to transform discrete-time state equations into the extended observer formKaldmäe, Arvo; Kotta, ÜlleAutomatica2024 / art. 111598 https://doi.org/10.1016/j.automatica.2024.111598 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Computation of nonlinear eigenvalues based on the Ore determinant : preliminary resultsHalás, Miroslav; Kaldmäe, Arvo; Kotta, Ülle; Slacka, JurajProceedings of the Estonian Academy of Sciences2024 / p. 366 - 378 https://doi.org/10.3176/proc.2024.4.06 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Extended observer form for nonlinear system with disturbances : Algorithm and applicationKaparin, Vadim; Simha, Ashutosh; Chowdhury, Nilanjan Roy; Kotta, Ülle; Levron, Yoash; Belikov, Juri2024 18th International Conference on Control, Automation, Robotics and Vision (ICARCV)2024 https://doi.org/10.1109/ICARCV63323.2024.10821609

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

Functions' algebra in nonlinear control : computational aspects and softwareBelikov, Juri; Kaldmäe, Arvo; Kaparin, Vadim; Kotta, Ülle; Shumsky, Alexey Ye.; Tõnso, Maris; Zhirabok, AlexeyProceedings of the Estonian Academy of Sciences2017 / p. 89-107 https://doi.org/10.3176/proc.2017.1.06 http://www.ester.ee/record=b2355998*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Global linearization approach to nonlinear control systems : a brief tutorial overviewBelikov, Juri; Kaldmäe, Arvo; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2017 / p. 243-263 https://doi.org/10.3176/proc.2017.3.01 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2824300*est Journal metrics at Scopus Aricle at Scopus Journal metrics at WOS Article at WOS

Input-output decoupling of discrete-time nonlinear systems by dynamic measurement feedbackKaldmäe, Arvo; Kotta, ÜlleEuropean journal of control2017 / p. 31-38 : ill https://doi.org/10.1016/j.ejcon.2016.12.004 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Linearization of discrete-time control system by state transformationMullari, Tanel; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2021 / p. 62–79 https://doi.org/10.3176/proc.2021.1.09 https://kirj.ee/wp-content/plugins/kirj/pub/proc-1-2021-62-79_20210630094644.pdf?v=a57b8491d1d8 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Measurement feedback disturbance decoupling in discrete-time nonlinear systemsKaldmäe, Arvo; Kotta, Ülle; Shumsky, Alexey Ye.; Zhirabok, Alexey N.Automatica2013 / p. 2887-2891 : ill https://doi.org/10.1016/j.automatica.2013.06.013 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Minimal realizations of nonlinear time-delay systemsKaldmäe, Arvo; Zbigniew, Bartosiewicz; Kotta, Ülle; Wyrwas, MalgorzataIEEE transactions on automatic control2023 / p. 6766 - 6772 https://doi.org/10.1109/TAC.2023.3240124 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Model based control of a water tank systemBelikov, Juri; Petlenkov, EduardProceedings of the 19th IFAC World Congress, 2014 : Cape Town, South Africa, 24-29 August 20142014 / p. 10838-10843 : ill https://doi.org/10.3182/20140824-6-za-1003.00695 Journal metrics at Scopus Article at Scopus

Model matching problem for discrete-time nonlinear systemsBelikov, Juri; Halas, Miroslav; Kotta, Ülle; Moog, ClaudeProceedings of the Estonian Academy of Sciences2015 / p. 457-472 : ill https://artiklid.elnet.ee/record=b2750720*est https://doi.org/10.3176/proc.2015.4.01 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 https://doi.org/10.1080/18756891.2015.1001950 Journal metrics at Scopus Article at Scopus Journal metrtics at WOS Article at WOS

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

Polynomial accessibility condition for the multi-input multi-output nonlinear control systemKotta, Ülle; Tõnso, Maris; Kawano, YuProceedings of the Estonian Academy of Sciences2014 / p. 136-150 https://artiklid.elnet.ee/record=b2673962*est https://doi.org/10.3176/proc.2014.2.04 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A polynomial approach to a nonlinear model matching problemBelikov, Juri; Halas, Miroslav; Kotta, Ülle; Moog, ClaudeProceedings of the Estonian Academy of Sciences2016 / p. 330-344 : ill https://doi.org/10.3176/proc.2016.4.02 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Predictive smart thermostat controller for heating, ventilation, and air-conditioning systemsSoudari, Mallikarjun; Kaparin, Vadim; Srinivasan, Seshadhri; Seshadhri, Subathra; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2018 / p. 291-299 : ill http://www.kirj.ee/public/proceedings_pdf/2018/issue_3/proc-2018-3-291-299.pdf https://doi.org/10.3176/proc.2018.3.11 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Realization of discrete-time nonlinear input-output equations : polynomial approachKotta, Ülle; Tõnso, MarisAutomatica2012 / p. 255-262 https://www.sciencedirect.com/science/article/pii/S0005109811005413

Realization of time-delay systemsKaldmäe, Arvo; Kotta, ÜlleAutomatica2018 / p. 317-320 https://doi.org/10.1016/j.automatica.2018.01.001 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Realizations in feedforward forms of nonlinear input-output equations with time-delaysKaldmäe, Arvo; Kawano, Yu; Kotta, ÜlleInternational journal of robust and nonlinear control2020 / p. 7560-7573 https://doi.org/10.1002/rnc.5194 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Remarks on the realization of time-varying systemsKotta, Ülle; Moog, Claude; Tõnso, MarisProceedings of the Estonian Academy of Sciences2018 / p. 208-216 http://www.kirj.ee/public/proceedings_pdf/2018/issue_3/proc-2018-3-207-216.pdf https://doi.org/10.3176/proc.2018.3.02 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

State-space realization of nonlinear control systems : unification and extension via pseudo-linear algebraBelikov, Juri; Kotta, Ülle; Tõnso, MarisKybernetika2012 / p. 1100-1113 https://www.researchgate.net/publication/269024076_State-space_realization_of_nonlinear_control_systems_Unification_and_extension_via_pseudo-linear_algebra

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