• 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 https://www.scopus.com/sourceid/21100256977 https://www.scopus.com/record/display.uri?eid=2-s2.0-84964505032&origin=inward&txGid=b19f65c78d1560ca94ddea9a3d64ff20 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MATH%20CONTROL%20RELAT%20F&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000380129600002
• 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 https://www.scopus.com/sourceid/19700174611 https://www.scopus.com/record/display.uri?eid=2-s2.0-84976344697&origin=inward&txGid=5ca7b9a05f9a4c7b2c3d6a23d9085528 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INF%20TECHNOL%20CONTROL&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000378875700006
• Algebraic necessary and sufficient condition for difference flatnessKaldmäe, ArvoInternational Journal of Control2021 / 8 p https://doi.org/10.1080/00207179.2021.1908598 https://www.scopus.com/sourceid/12342 https://www.scopus.com/record/display.uri?eid=2-s2.0-85103637888&origin=inward&txGid=a37883eb2fc218fb85e6f1e2e44dc548 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20CONTROL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000636953400001
• 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 https://www.scopus.com/sourceid/24909 https://www.scopus.com/record/display.uri?eid=2-s2.0-85187529944&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1016%2Fj.automatica.2024.111598%29&sessionSearchId=0f6eff64efda8af0c0f6a2cbde07ca0c&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=AUTOMATICA&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001193945900001
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85211481658&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3176%2Fproc.2024.4.06%29&sessionSearchId=82ea1e262e947a553c0dfd040e2059dd&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001364449900006
• 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 https://www.scopus.com/sourceid/25563 https://www.scopus.com/record/display.uri?eid=2-s2.0-84872386817&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1016%2Fj.sysconle.2012.11.014%29&sessionSearchId=6024cf363338b9853eb843d4b5941a66&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SYST%20CONTROL%20LETT&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000317257500004
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85030703057&origin=inward&txGid=6d5138d857744249210be10ac751f148 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000396591200010
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85028354924&origin=inward&txGid=0ce958b0fe187fe0324cce04c97dda94 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000408394600002
• 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 https://www.scopus.com/sourceid/25406 https://www.scopus.com/record/display.uri?eid=2-s2.0-85009285078&origin=inward&txGid=486ff10582e42fae8ae11c0d80df1ee0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EUR%20J%20CONTROL&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000397836300004
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85101931750&origin=inward&txGid=7c069ce64846731acc31e0fd8ada6841 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000632198000004
• 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 https://www.scopus.com/sourceid/24909 https://www.scopus.com/record/display.uri?eid=2-s2.0-84881474088&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1016%2Fj.automatica.2013.06.013%29&sessionSearchId=47e771afcc769678348f9a5b62e06fdd&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=AUTOMATICA&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000323594200036
• 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 https://www.scopus.com/sourceid/17339 https://www.scopus.com/record/display.uri?eid=2-s2.0-85148472342&origin=inward&txGid=a091ae8a589d5c0118a19ac230b5fe8b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20AUTOMAT%20CONTR&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001129998200024
• 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 https://www.scopus.com/sourceid/21100456158 https://www.scopus.com/record/display.uri?eid=2-s2.0-84929791778&origin=inward&txGid=c52ccbdb4b2117e257e19e5156b69856
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84955153678&origin=inward&txGid=3cbbfb8577a6ace95c03528a5b873223 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000366503800001
• 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 https://www.scopus.com/sourceid/17800156712 https://www.scopus.com/record/display.uri?eid=2-s2.0-84920101240&origin=inward&txGid=020d742597e1c3b8ea5cded5315b9bda https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20COMPUT%20INT%20SYS&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000346843900007
• 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 https://www.scopus.com/sourceid/21100456158 https://www.scopus.com/record/display.uri?eid=2-s2.0-84885732008&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3182%2F20130904-3-FR-2041.00017%29
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901276730&origin=inward&txGid=6b14f0e2cde49b413823488d7b602839 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000337664000004
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84997218083&origin=inward&txGid=bd1fa42e1987e72a2bca0099be5c5f53 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000393289200002
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052685297&origin=inward&txGid=a64b7e111fd580cad693bca55c9e5f85 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000443380000010
• 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 https://www.scopus.com/sourceid/24909 https://www.scopus.com/record/display.uri?eid=2-s2.0-85041567109&origin=inward&txGid=d18b932d3548f4fe423cc9cd2fa18a49 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=AUTOMATICA&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000427217600036
• 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 https://www.scopus.com/sourceid/17987 https://www.scopus.com/record/display.uri?eid=2-s2.0-85090317648&origin=inward&txGid=3196475c4450a213e30d0a2ec881c4b2 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20ROBUST%20NONLIN&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000566556300001
• 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 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052676202&origin=inward&txGid=cd2b53377abc38bc1b71402773576ef4 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000443380000002
• 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 https://www.scopus.com/sourceid/9000153105 https://www.scopus.com/record/display.uri?eid=2-s2.0-85051799842&origin=inward&txGid=35cd1530c4de9ba2db0afc84b81dcace https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NONLINEAR%20ANAL-HYBRI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000452061400005
• 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 https://www.scopus.com/sourceid/19202 https://www.scopus.com/record/display.uri?eid=2-s2.0-84944512820&origin=inward&txGid=9b38bece7861755df3cac410456fb525 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MATH%20CONTROL%20SIGNAL&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000363060000004