Ülle Kotta

Affiliations:
  • Tallinn University of Technology, Estonia


According to our database1, Ülle Kotta authored at least 106 papers between 1999 and 2022.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2022
On the Stopping Criteria in Nonlinear Unknown Input Observability Condition.
IEEE Trans. Autom. Control., 2022

Testing Generic Strong Accessibility of Nonlinear Control Systems via Polynomial (Quadratic) Immersion.
Proceedings of the 61st IEEE Conference on Decision and Control, 2022

2021
Accessibility and System Reduction of Nonlinear Time-Delay Control Systems.
IEEE Trans. Autom. Control., 2021

On the finiteness of accessibility test for nonlinear discrete-time systems.
Int. J. Control, 2021

Accessibility and orbits for discrete-time nonlinear control systems.
Proceedings of the 2021 60th IEEE Conference on Decision and Control (CDC), 2021

2020
A Test for the Generic Strong Accessibility of Meromorphic Nonlinear Systems.
IEEE Trans. Autom. Control., 2020

Finite determination of accessibility and singular points of nonlinear systems: An algebraic approach.
Syst. Control. Lett., 2020

A Flapped Paddle-Fin for Improving Underwater Propulsive Efficiency of Oscillatory Actuation.
IEEE Robotics Autom. Lett., 2020

Experimental validation of the Newton observer for a nonlinear flux-controlled AMB system operated with zero-bias flux.
Int. J. Control, 2020

Weak reachability and controllability of discrete-time nonlinear systems: generic approach and singular points.
Int. J. Control, 2020

Comments on 'A new kind of nonlinear disturbance observer for nonlinear systems with applications to cruise control of air-breathing hypersonic vehicles'.
Int. J. Control, 2020

Comments on "PBH tests for nonlinear systems".
Autom., 2020

Challenges and Perspectives in Control of Ionic Polymer-Metal Composite (IPMC) Actuators: A Survey.
IEEE Access, 2020

2019
Degree of Dieudonné determinant defines the order of nonlinear system.
Int. J. Control, 2019

Finite determination of accessibility and geometric structure of singular points for nonlinear systems.
CoRR, 2019

Motor Failure Tolerant Control System With Self Diagnostics for Unmanned Multirotors.
Proceedings of the 24th International Conference on Methods and Models in Automation and Robotics, 2019

Nonlinear Orientation Controller for a Compliant Robotic Fish Based on Asymmetric Actuation.
Proceedings of the International Conference on Robotics and Automation, 2019

2018
Realization of nonlinear input-output equations in controller canonical form.
Kybernetika, 2018

Transformation of nonlinear discrete-time system into the extended observer form.
Int. J. Control, 2018

Realization of Nonlinear Time-Delay Input-Output Equations.
IEEE Control. Syst. Lett., 2018

Minimal realizations of nonlinear systems.
Autom., 2018

Realization of time-delay systems.
Autom., 2018

Intrinsic Conditions for Extended Observer Forms for Nonlinear Systems.
Proceedings of the 57th IEEE Conference on Decision and Control, 2018

2017
Forward and Backward Shifts of Vector Fields: Towards the Dual Algebraic Framework.
IEEE Trans. Autom. Control., 2017

Flatness Based Control of a HVAC System.
Inf. Technol. Control., 2017

Realisation of linear time-varying systems.
Int. J. Control, 2017

Input-output decoupling of discrete-time nonlinear systems by dynamic measurement feedback.
Eur. J. Control, 2017

Feedback linearization of an active magnetic bearing system operated with a zero-bias flux.
Int. J. Appl. Math. Comput. Sci., 2017

2016
Single-experiment observability decomposition of discrete-time analytic systems.
Syst. Control. Lett., 2016

On accessibility conditions for state space nonlinear control systems on homogeneous time scales.
Syst. Control. Lett., 2016

Algebraic Approach for Analysis and Control of a Water Tank System.
Inf. Technol. Control., 2016

Adaptive Controller for Networked Control Systems Subjected to Random Communication Delays.
Proceedings of the Soft Computing Applications, 2016

Linearization by generalized input-output injections on homogeneous time scales.
Proceedings of the 21st International Conference on Methods and Models in Automation and Robotics, 2016

Disturbance decoupling in nonlinear hybrid systems.
Proceedings of the 12th IEEE International Conference on Control and Automation, 2016

Disturbance decoupling problem in finite automata: Sensor location problem.
Proceedings of the 2016 IEEE Conference on Control Applications, 2016

2015
On Integrability of Observable Space for Discrete-Time Polynomial Control Systems.
IEEE Trans. Autom. Control., 2015

Static state feedback linearization of nonlinear control systems on homogeneous time scales.
Math. Control. Signals Syst., 2015

Transformation of nonlinear state equations into the observer form: Necessary and sufficient conditions in terms of one-forms.
Kybernetika, 2015

Realization of nonlinear MIMO system on homogeneous time scales.
Eur. J. Control, 2015

Relaxing realizability conditions for discrete-time nonlinear systems.
Autom., 2015

Input-output linearization by dynamic output feedback on homogeneous time scales.
Proceedings of the 20th International Conference on Methods and Models in Automation and Robotics, 2015

On integrability of observable space for discrete-time analytic systems.
Proceedings of the 54th IEEE Conference on Decision and Control, 2015

Transforming a set of nonlinear input-ouput equations into Popov form.
Proceedings of the 54th IEEE Conference on Decision and Control, 2015

2014
Adjoint Polynomial Formulas for Nonlinear State-Space Realization.
IEEE Trans. Autom. Control., 2014

Comparison of LPV and nonlinear system theory: A realization problem.
Syst. Control. Lett., 2014

Input-output linearization of discrete-time systems by dynamic output feedback.
Eur. J. Control, 2014

Accommodation to defects in the discrete dynamic systems.
Autom. Remote. Control., 2014

Dynamic feedback linearization of nonlinear control systems on homogenous time scale.
Proceedings of the 2014 IEEE Conference on Control Applications, 2014

2013
Feedback linearization and lattice theory.
Syst. Control. Lett., 2013

Extended observer form: simple existence conditions.
Int. J. Control, 2013

Measurement feedback disturbance decoupling in discrete-time nonlinear systems.
Autom., 2013

The Minimal Time-Varying Realization of a Nonlinear Time-Invariant System.
Proceedings of the 9th IFAC Symposium on Nonlinear Control Systems, 2013

On Flatness of Discrete-Time Nonlinear Systems.
Proceedings of the 9th IFAC Symposium on Nonlinear Control Systems, 2013

A layered architecture for control functionality implementation in smart grids.
Proceedings of 10th IEEE International Conference on Networking, Sensing and Control, 2013

Input-output linearization by dynamic output feedback.
Proceedings of the 12th European Control Conference, 2013

NLControl: Symbolic package for study of nonlinear control systems.
Proceedings of the 2013 IEEE International Symposium on Computer-Aided Control System Design, 2013

Adaptive LQR controller for Networked Control Systems subjected to random communication delays.
Proceedings of the American Control Conference, 2013

2012
State-space realization of nonlinear control systems: unification and extension via pseudo-linear algebra.
Kybernetika, 2012

A transfer function approach to the realisation problem of nonlinear systems.
Int. J. Control, 2012

Realization of discrete-time nonlinear input-output equations: Polynomial approach.
Autom., 2012

Practical polynomial formulas in MIMO nonlinear realization problem.
Proceedings of the 51th IEEE Conference on Decision and Control, 2012

Dual algebraic framework for discrete-time nonlinear control systems.
Proceedings of the 51th IEEE Conference on Decision and Control, 2012

Dynamic measurement feedback in discrete-time nonlinear control systems.
Proceedings of the American Control Conference, 2012

Explicit formulas for the state coordinates in nonlinear MIMO realization problem on homogeneous time scales.
Proceedings of the IEEE International Conference on Control Applications, 2012

2011
Linear Input-Output Equivalence and Row Reducedness of Discrete-Time Nonlinear Systems.
IEEE Trans. Autom. Control., 2011

Some remarks on Kähler differentials and ordinary differentials in nonlinear control theory.
Syst. Control. Lett., 2011

Control systems on regular time scales and their differential rings.
Math. Control. Signals Syst., 2011

Minimal realisation of bilinear and quadratic input-output difference equations in state-space form.
Int. J. Control, 2011

Comparison of neural networks-based ANARX and NARX models by application of correlation tests.
Proceedings of the 2011 International Joint Conference on Neural Networks, 2011

State-space realization of nonlinear input-output equations: Unification and extension via pseudo-linear algebra.
Proceedings of the 9th IEEE International Conference on Control and Automation, 2011

Extended observer form for discrete-time nonlinear control systems.
Proceedings of the 9th IEEE International Conference on Control and Automation, 2011

On applicability of LPV tools for bilinear systems.
Proceedings of the 9th IEEE International Conference on Control and Automation, 2011

Model matching problem for discrete-time nonlinear systems: Transfer function approach.
Proceedings of the 9th IEEE International Conference on Control and Automation, 2011

Minimal realization of nonlinear MIMO equations in state-space form: Polynomial approach.
Proceedings of the 50th IEEE Conference on Decision and Control and European Control Conference, 2011

2010
Transfer Equivalence and Realization of Nonlinear Input-Output Delta-Differential Equations on Homogeneous Time Scales.
IEEE Trans. Autom. Control., 2010

Reduction and transfer equivalence of nonlinear control systems: unification and extension via pseudo-linear algebra.
Kybernetika, 2010

Discussion on: "Unified Approach to the Problem of Full Decoupling via Output Feedback".
Eur. J. Control, 2010

2009
Irreducibility, reduction and transfer equivalence of nonlinear input-output equations on homogeneous time scales.
Syst. Control. Lett., 2009

On classical state space realisability of quadratic input-output differential equations.
Int. J. Control, 2009

Transformation the Nonlinear System into the Observer Form: Simplification and Extension.
Eur. J. Control, 2009

Submersive rational difference systems and their accessibility.
Proceedings of the Symbolic and Algebraic Computation, International Symposium, 2009

Realization of Continuous-Time Nonlinear Input-Output Equations: Polynomial Approach.
Proceedings of the Computer Aided Systems Theory, 2009

Differential rings associated with control systems on regular time scales.
Proceedings of the 10th European Control Conference, 2009

2008
Non-commutative determinants in nonlinear control theory: Preliminary ideas.
Proceedings of the 10th International Conference on Control, 2008

Irreducibility and reduction of nonlinear control systems: Unification and extension via pseudo-linear algebra.
Proceedings of the 10th International Conference on Control, 2008

A polynomial approach to the synthesis of observers for nonlinear systems.
Proceedings of the 47th IEEE Conference on Decision and Control, 2008

Transfer equivalence and reduction of nonlinear delta differential equations on homogeneous time scale.
Proceedings of the American Control Conference, 2008

2007
State space realization of bilinear continuous-time input-output equations.
Int. J. Control, 2007

Webmathematica based tools for nonlinear control systems.
Proceedings of the ICINCO 2007, 2007

2006
Simplification of the generalized state equations.
Kybernetika, 2006

On realizability of neural networks-based input-output models in the classical state-space form.
Autom., 2006

Neural Networks Based ANARX Structure for Identification and Model Based Control.
Proceedings of the Ninth International Conference on Control, 2006

Irreducibility Conditions for Continuous-time Multi-input Multi-output Nonlinear Systems.
Proceedings of the Ninth International Conference on Control, 2006

2005
Equivalence of Different Realization Methods for Higher Order Nonlinear Input ­ Output Differential Equations.
Eur. J. Control, 2005

Equivalence to a (Strict) Feedforward Form of Nonlinear Discrete-Time Single-Input Control Systems.
Proceedings of the 44th IEEE IEEE Conference on Decision and Control and 8th European Control Conference Control, 2005

2004
A geometric solution to the dynamic disturbance decoupling for discrete-time nonlinear systems.
Kybernetika, 2004

2003
Realization of nonlinear systems described by input/output differential equations: Equivalence of different methods.
Proceedings of the 7th European Control Conference, 2003

On state space realizability of bilinear systems described by higher order difference equations.
Proceedings of the 42nd IEEE Conference on Decision and Control, 2003

2002
Systems with associative dynamics.
Kybernetika, 2002

2001
Generalized controlled invariance for discrete-time nonlinear systems with an application to the dynamic disturbance decoupling problem.
IEEE Trans. Autom. Control., 2001

Transfer equivalence and realization of nonlinear higher order input-output difference equations.
Autom., 2001

2000
Comments on "On the discrete-time normal form".
IEEE Trans. Autom. Control., 2000

Input-output decoupling of nonlinear recursive systems.
Kybernetika, 2000

Irreducibility conditions for nonlinear input-output difference equations.
Proceedings of the 39th IEEE Conference on Decision and Control, 2000

1999
Transfer Equivalence and Realization of Nonlinear Higher Order Input/Output Difference Equations Using Mathematica.
J. Circuits Syst. Comput., 1999

Towards a solution of the state-space realization problem of a set of multi-input multi-output nonlinear difference equations.
Proceedings of the 5th European Control Conference, 1999


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