Extended observer form for discrete-time nonlinear control systems. - Vadim Kaparin; Ülle Kotta (ICCA, 2011)

Extended observer form: simple existence conditions. - Vadim Kaparin; Ülle Kotta; Tanel Mullari (Int. J. Control, 2013)

Input-output linearization by dynamic output feedback on homogeneous time scales. - Monika Ciulkin; Ewa Pawluszewicz; Vadim Kaparin; Ülle Kotta (MMAR, 2015)

Transformation of nonlinear state equations into the observer form: Necessary and sufficient conditions in terms of one-forms. - Vadim Kaparin; Ülle Kotta (Kybernetika, 2015)

Linearization by generalized input-output injections on homogeneous time scales. - Monika Ciulkin; Ewa Pawluszewicz; Vadim Kaparin; Ülle Kotta (MMAR, 2016)

Feedback linearization of an active magnetic bearing system operated with a zero-bias flux. - Arkadiusz Mystkowski; Vadim Kaparin; Ülle Kotta; Ewa Pawluszewicz; Maris Tõnso (Int. J. Appl. Math. Comput. Sci., 2017)

Intrinsic Conditions for Extended Observer Forms for Nonlinear Systems. - Ashutosh Simha; Witold Respondek; Arvo Kaldmäe; Vadim Kaparin; Ülle Kotta (CDC, 2018)

Transformation of nonlinear discrete-time system into the extended observer form. - Vadim Kaparin; Ülle Kotta (Int. J. Control, 2018)

Analyzing the Dynamics and Stability of DQ0 Systems Based on a Port-Hamiltonian Approach. - Yoash Levron; Vadim Kaparin; Juri Belikov (MED, 2019)

Challenges and Perspectives in Control of Ionic Polymer-Metal Composite (IPMC) Actuators: A Survey. - Alvo Aabloo; Juri Belikov; Vadim Kaparin; Ülle Kotta (IEEE Access, 2020)

Experimental validation of the Newton observer for a nonlinear flux-controlled AMB system operated with zero-bias flux. - Arkadiusz Mystkowski; A. Kierdelewicz; Ülle Kotta; Vadim Kaparin (Int. J. Control, 2020)

Extended Observer Form for Nonlinear System with Disturbances: Algorithm and Application. - Vadim Kaparin; Ashutosh Simha; Nilanjan Roy Chowdhury; Ülle Kotta; Yoash Levron; Juri Belikov (ICARCV, 2024)

Extended observer form with vector fields. - Tanel Mullari; Ülle Kotta; Arvo Kaldmäe; Vadim Kaparin; Ashutosh Simha (Int. J. Control, 2024)

Extended Observer Forms for Submersive Discrete-Time Systems. - Ashutosh Simha; Vadim Kaparin; Tanel Mullari; Ülle Kotta (IEEE Trans. Autom. Control., 2024)