Variable structure systems with chattering reduction: A microprocessor based design. - Martín D. España; Romeo Ortega; Juan J. Espino (Autom., 1984)

Adaptive controllers for discrete-time systems with arbitrary zeros: An overview. - Mohammed M'Saad; Romeo Ortega; Ioan Doré Landau (Autom., 1985)

Robustness enhancement of computer torque robot control via adaptive compensation. - Romeo Ortega; Rafael Kelly; Juan Ibarra (ICRA, 1987)

Reformulation of the parameter identification problem for systems with bounded disturbances. - Rogelio Lozano-Leal; Romeo Ortega (Autom., 1987)

A note on direct adaptive control of systems with bounded disturbances. - Romeo Ortega; Rogelio Lozano-Leal (Autom., 1987)

On positive - Real discrete-time transfer functions. - Guillermo Fernandez; Romeo Ortega (Proc. IEEE, 1987)

Adaptive control of robot manipulators: an input-output approach. - Rafael Kelly; Romeo Ortega (ICRA, 1988)

An on-line least-squares parameter estimator with finite convergence time. - Romeo Ortega (Proc. IEEE, 1988)

On adaptive impedance control of robot manipulators. - Rafael Kelly; Ricardo O. Carelli; Mauricio Amestegui; Romeo Ortega (ICRA, 1989)

On generalized predictive control: Two alternative formulations. - Pedro Albertos; Romeo Ortega (Autom., 1989)

Adaptive head control of a hydraulic open channel model. - Ofelia Begovich; Romeo Ortega (Autom., 1989)

Adaptive motion control of rigid robots: A tutorial. - Romeo Ortega; Mark W. Spong (Autom., 1989)

Robustness of adaptive controllers - A survey. - Romeo Ortega; Yu Tang (Autom., 1989)

Passivity properties for stabilization of cascaded nonlinear systems. - Romeo Ortega (Autom., 1991)

A robust adaptive controller for robot manipulators. - Harry Berghuis; Romeo Ortega; Henk Nijmeijer (ICRA, 1992)

On stabilization of nonlinear systems with enlarged domain of attraction. - K. Ichikawa; Romeo Ortega (Autom., 1992)

To tune or not to tune?: A monitoring procedure to decide. - Romeo Ortega; Gerardo Escobar; Francisco Garcia (Autom., 1992)

Robot Motion Control Using Induction Motor Drives. - Carlos Canudas de Wit; Romeo Ortega; S. I. Seleme (ICRA (2), 1993)

Interactor structure estimation for adaptive control of discrete-time multivariable nondecouplable systems. - Yasuhiko Mutoh; Romeo Ortega (Autom., 1993)

Torque regulation of induction motors, . - Romeo Ortega; Gerardo Espinosa-Pérez (Autom., 1993)

Adaptive tuning to frequency response specifications. - Yu Tang; Romeo Ortega (Autom., 1993)

On Morse's new adaptive controller: parameter convergence and transient performance. - Romeo Ortega (IEEE Trans. Autom. Control., 1993)

Nonlinear control of induction motors: torque tracking with unknown load disturbance. - Romeo Ortega; Carlos Canudas; Seleme I. Seleme (IEEE Trans. Autom. Control., 1993)

A robust adaptive robot controller. - Harry Berghuis; Romeo Ortega; Henk Nijmeijer (IEEE Trans. Robotics Autom., 1993)

Global regulation of flexible joint robots using approximate differentiation. - Rafael Kelly; Romeo Ortega; Amit Ailon; Antonio Loría (IEEE Trans. Autom. Control., 1994)

A solution to the continuous-time adaptive decoupling problem. - Romeo Ortega; Angel Herrera (IEEE Trans. Autom. Control., 1994)

Global tracking controllers for flexible-joint manipulators: a comparative study. - Bernard Brogliato; Romeo Ortega; Rogelio Lozano (Autom., 1995)

An output feedback globally stable controller for induction motors. - Gerardo Espinosa-Pérez; Romeo Ortega (IEEE Trans. Autom. Control., 1995)

A semiglobally stable output feedback PI2D regulator for robot manipulators. - Romeo Ortega; Antonio Loría; Rafael Kelly (IEEE Trans. Autom. Control., 1995)

A class of output feedback globally stabilizing controllers for flexible joints robots. - Romeo Ortega; Rafael Kelly; Antonio Loría (IEEE Trans. Robotics Autom., 1995)

Force/position regulation for robot manipulators with unmeasurable velocities and uncertain gravity. - Antonio Loría; Romeo Ortega (Autom., 1996)

On speed control of induction motors. - Romeo Ortega; Per Johan Nicklasson; Gerardo Espinosa-Pérez (Autom., 1996)

Indirect field-oriented control of induction motors is robustly globally stable. - Paul A. S. De Wit; Romeo Ortega; Iven Mareels (Autom., 1996)

An energy amplification condition for decentralized adaptive stabilization. - Romeo Ortega (IEEE Trans. Autom. Control., 1996)

Cascaded control of feedback interconnected nonlinear systems: Application to robots with AC drives. - Elena Panteley; Romeo Ortega (Autom., 1997)

Passivity-based controllers for the stabilization of Dc-to-Dc Power converters. - Hebertt Sira-Ramírez; R. A. Perez-Moreno; Romeo Ortega; M. Garcia-Esteban (Autom., 1997)

On the Role of Passivity and Output Injection in the Output Feedback Stabilisation Problem: Application to Robot Control. - Stefano Battilotti; Leonardo Lanari; Romeo Ortega (Eur. J. Control, 1997)

On global output feedback regulation of Euler-Lagrange systems with bounded inputs. - Antonio Loría; Rafael Kelly; Romeo Ortega; Víctor Santibáñez (IEEE Trans. Autom. Control., 1997)

Passivity-based control of a class of Blondel-Park transformable electric machines. - Per Johan Nicklasson; Romeo Ortega; Gerardo Espinosa-Pérez; C. G. J. Jacobi (IEEE Trans. Autom. Control., 1997)

Theoretical and experimental comparison of two nonlinear controllers for current-fed induction motors. - Ki-Chul Kim; Romeo Ortega; Ali Charara 002; Jean-Paul Vilain (IEEE Trans. Control. Syst. Technol., 1997)

Regulation and tracking of the nonholonomic double integrator: A field-oriented control approach. - Gerardo Escobar; Romeo Ortega; Mahmut Reyhanoglu (Autom., 1998)

On Identification of Non-linear Regression Models: Application to the Pole-Zero Cancellation Problem in Adaptive Control. - K. Arent; Romeo Ortega; Jan Willem Polderman; Iven M. Y. Mareels (Eur. J. Control, 1998)

Guest Editorial: Special Section Devoted to Papers from the Non-linear and Adaptive Control (NACO) European Network. - Romeo Ortega (Eur. J. Control, 1998)

An adaptive passivity - Based controller for a power factor precompensator. - Gerardo Escobar; D. Chevreau; Romeo Ortega; Eduardo Mendes (ECC, 1999)

A Hamiltonian viewpoint in the modeling of switching power converters. - Gerardo Escobar; Arjan van der Schaft; Romeo Ortega (Autom., 1999)

A globally convergent frequency estimator. - Liu Hsu; Romeo Ortega; Gilney Damm (IEEE Trans. Autom. Control., 1999)

Output-feedback global stabilization of a nonlinear benchmark system using a saturated passivity-based controller. - Gerardo Escobar; Romeo Ortega; Hebertt Sira-Ramírez (IEEE Trans. Control. Syst. Technol., 1999)

Stabilization of food-chain systems using a port-controlled Hamiltonian description. - Romeo Ortega; Alessandro Astolfi; George Bastin; Hugo Rodríguez (ACC, 2000)

Energy-balancing passivity-based control. - Romeo Ortega; Iven Mareels (ACC, 2000)

A novel passivity-based controller for an active magnetic bearing benchmark experiment. - Hugo Rodríguez; Romeo Ortega; Iven Mareels (ACC, 2000)

Adaptive L2 disturbance attenuation of Hamiltonian systems with parametric perturbation and application to power systems. - Tielong Shen; Romeo Ortega; Qiang Lu; Shengwei Mei; Katsutoshi Tamura (CDC, 2000)

Necessary and sufficient conditions for passivity of the LuGre friction model. - N. Barahanov; Romeo Ortega (IEEE Trans. Autom. Control., 2000)

Energy-based Lyapunov functions for forced Hamiltonian systems with dissipation. - Bernhard Maschke; Romeo Ortega; A. J. van der Schaft (IEEE Trans. Autom. Control., 2000)

Tuning rules for the PI gains of field-oriented controllers of induction motors. - Gi-Won Chang; Gerardo Espinosa-Pérez; Eduardo Mendes; Romeo Ortega (IEEE Trans. Ind. Electron., 2000)

Asymptotic stabilization of selected equilibria of the underactuated Kirchhoff's equations. - Alessandro Astolfi; D. Chhabre; Romeo Ortega (ACC, 2001)

Excitation control of synchronous generators via total energy-shaping. - Romeo Ortega; Martha Galaz-Larios; A. Hashmani Bazanella; Alex M. Stankovic (ACC, 2001)

Stabilization of a class of underactuated mechanical systems via total energy shaping. - Fabio Gómez-Estern; Romeo Ortega; Francisco R. Rubio; Javier Aracil 002 (CDC, 2001)

Nonlinear PI control of uncertain systems: an alternative to parameter adaptation. - Romeo Ortega; Alessandro Astolfi (CDC, 2001)

Theoretic and experimental study of direct torque control of induction motors. - Romeo Ortega; Nikita Barabanov; Gerardo Escobar; Juan M. Carrasco; E. Galvan (CDC, 2001)

Adaptive control of multivariable systems with reduced prior knowledge. - Romeo Ortega; Liu Hsu; Alessandro Astolfi (CDC, 2001)

On stabilization of nonlinear distributed parameter port-controlled Hamiltonian systems via energy shaping. - Hugo Rodríguez; Arjan J. van der Schaft; Romeo Ortega (CDC, 2001)

Decentralized controller design for multimachine power systems based on the Hamiltonian structure. - Yuanzhang Sun; Tielong Shen; Romeo Ortega; Qianjin Liu (CDC, 2001)

Immersion and invariance (I2): A new tool in nonlinear control design. - Alessandro Astolfi; Romeo Ortega (ECC, 2001)

A Solution to the Adaptive Visual Servoing Problem. - Alessandro Astolfi; Liu Hsu; Mariana S. Netto; Romeo Ortega (ICRA, 2001)

Correction to "passitivity-based control of a class of blondel-park transformable electric machines". - Levent U. Gökdere; Charles W. Brice; Per Johan Nicklasson; Romeo Ortega; Gerardo Espinosa-Pérez (IEEE Trans. Autom. Control., 2001)

Direct torque control of induction motors: stability analysis and performance improvement. - Romeo Ortega; Nikita E. Barabanov; Gerardo Escobar Valderrama (IEEE Trans. Autom. Control., 2001)

Stabilization of nonlinear systems via forwarding mod {LgV}. - Laurent Praly; Romeo Ortega; Georgia Kaliora (IEEE Trans. Autom. Control., 2001)

An adaptive passivity-based controller for a unity power factor rectifier. - Gerardo Escobar; D. Chevreau; Romeo Ortega; Eduardo Mendes (IEEE Trans. Control. Syst. Technol., 2001)

Interconnection and damping assignment approach to control of PM synchronous motors. - Vladan Petrovic; Romeo Ortega; Alex M. Stankovic (IEEE Trans. Control. Syst. Technol., 2001)

On sensorless control of a class of electrical machines. - Alessandro Astolfi; Romeo Ortega; Mohamed Becherif (CDC, 2002)

A consistent parameter estimator for excitation control of synchronous generators. - Martha Galaz; Romeo Ortega; Alexandre S. Bazanella (CDC, 2002)

Adaptive output feedback stabilization of a class of nonlinear systems. - Dimitrios Karagiannis; Alessandro Astolfi; Romeo Ortega (CDC, 2002)

On the Nonlinear Control of TCSC . - Gerardo Escobar; Alex M. Stankovic; Paolo Mattavelli; Romeo Ortega (HICSS, 2002)

Hopf bifurcation in indirect field-oriented control of induction motors. - Francisco Gordillo; Francisco Salas; Romeo Ortega; Javier Aracil 002 (Autom., 2002)

Interconnection and damping assignment passivity-based control of port-controlled Hamiltonian systems. - Romeo Ortega; Arjan van der Schaft; Bernhard Maschke; Gerardo Escobar (Autom., 2002)

Overcoming the detectability obstacle in certainty equivalence adaptive control. - Elena Panteley; Romeo Ortega; Paloma Moya (Autom., 2002)

Stabilization and Disturbance Attenuation of Nonlinear Systems Using Dissipativity Theory. - Alessandro Astolfi; Romeo Ortega; Rodolphe Sepulchre (Eur. J. Control, 2002)

Conditions for Solvability of Extended Algebraic Riccati Equations with Applications to Dissipativity Theory. - Nikita E. Barabanov; Romeo Ortega (Eur. J. Control, 2002)

Asymptotic stabilization of some equilibria of an underactuated underwater vehicle. - Alessandro Astolfi; D. Chhabra; Romeo Ortega (Syst. Control. Lett., 2002)

Nonlinear PI control of uncertain systems: an alternative to parameter adaptation. - Romeo Ortega; Alessandro Astolfi; Nikita E. Barabanov (Syst. Control. Lett., 2002)

Stabilization of a class of underactuated mechanical systems via interconnection and damping assignment. - Romeo Ortega; Mark W. Spong; Fabio Gómez-Estern; Guido Blankenstein (IEEE Trans. Autom. Control., 2002)

Two solutions to the adaptive visual servoing problem. - Alessandro Astolfi; Liu Hsu; Mariana S. Netto; Romeo Ortega (IEEE Trans. Robotics Autom., 2002)

Adaptive partial state feedback stabilization of a class of electromechanical systems via immersion and invariance. - Hugo Rodríguez; Alessandro Astolfi; Romeo Ortega (ACC, 2003)

Passivity-based control of a doubly-fed induction generator interconnected with an induction motor. - Mohamed Becherif; Romeo Ortega; Eduardo Mendes; Sangcheol Lee (CDC, 2003)

Immersion and invariance model reference adaptive control: new parameterizations for the problem. - Romeo Ortega; Alessandro Astolfi; Liu Hsu (CDC, 2003)

Stabilization of nonlinear RLC circuits: power shaping and passivation. - Romeo Ortega; Dimitri Jeltsema; Jacquelien M. A. Scherpen (CDC, 2003)

An energy-shaping approach to the design of excitation control of synchronous generators. - Martha Galaz; Romeo Ortega; Alexandre S. Bazanella; Aleksandar M. Stankovic (Autom., 2003)

Two results for adaptive output feedback stabilization of nonlinear systems. - Dimitrios Karagiannis; Alessandro Astolfi; Romeo Ortega (Autom., 2003)

Immersion and invariance adaptive control of linear multivariable systems. - Romeo Ortega; Liu Hsu; Alessandro Astolfi (Syst. Control. Lett., 2003)

Immersion and invariance: a new tool for stabilization and adaptive control of nonlinear systems. - Alessandro Astolfi; Romeo Ortega (IEEE Trans. Autom. Control., 2003)

Power shaping: a new paradigm for stabilization of nonlinear RLC circuits. - Romeo Ortega; Dimitri Jeltsema; Jacquelien M. A. Scherpen (IEEE Trans. Autom. Control., 2003)

A family of switching control strategies for the reduction of torque ripple in DTC. - Gerardo Escobar; Alex M. Stankovic; Eduardo Galvan; Juan Manuel Carrasco Solís; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2003)

An experimental comparison of several PWM controllers for a single-phase AC-DC converter. - Dimitrios Karagiannis; Eduardo Mendes; Alessandro Astolfi; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2003)

Interconnection and damping assignment passivity-based control of mechanical systems with underactuation degree one. - José Ángel Acosta; Romeo Ortega; Alessandro Astolfi (ACC, 2004)

On position tracking in bilateral teleoperation. - Nikhil Chopra; Mark W. Spong; Romeo Ortega; Nikita E. Barabanov (ACC, 2004)

A new passivity property of linear RLC circuits with application to power shaping stabilization. - Eloísa García-Canseco; Romeo Ortega (ACC, 2004)

Output feedback stabilization of a class of uncertain nonlinear systems. - Dimitrios Karagiannis; Zhong-Ping Jiang; Romeo Ortega; Alessandro Astolfi (ACC, 2004)

Immersion and invariance adaptive visual servoing of manipulators with uncertain dynamics. - Alessandro R. L. Zachi; Liu Hsu; Romeo Ortega; Fernando C. Lizarralde (ACC, 2004)

Interconnection and damping assignment passivity-based control: towards a constructive procedure - Part II. - Eloísa García-Canseco; Alessandro Astolfi; Romeo Ortega (CDC, 2004)

Interconnection and damping assignment passivity-based control: towards a constructive procedure - Part I. - Romeo Ortega; Eloísa García-Canseco (CDC, 2004)

On the construction of static stabilizers and static output trackers for dynamically linearizable systems, related results and applications. - Hugo Rodríguez; Alessandro Astolfi; Romeo Ortega (CDC, 2004)

Cascade Control of Uncertain Manipulator Systems through Immersion and Invariance Adaptive Visual Servoing. - Alessandro R. L. Zachi; Liu Hsu; Romeo Ortega; Fernando C. Lizarralde (ICRA, 2004)

An energy-balancing perspective of interconnection and damping assignment control of nonlinear systems. - Dimitri Jeltsema; Romeo Ortega; Jacquelien M. A. Scherpen (Autom., 2004)

Interconnection and Damping Assignment Passivity-Based Control: A Survey. - Romeo Ortega; Eloísa García-Canseco (Eur. J. Control, 2004)

On the solvability of extended Riccati equations. - Nikita E. Barabanov; Romeo Ortega (IEEE Trans. Autom. Control., 2004)

On compensation of wave reflections in transmission lines and applications to the overvoltage problem AC motor drives. - Romeo Ortega; Alessandro de Rinaldis; Mark W. Spong; Sangcheol Lee; Kwanghee Nam (IEEE Trans. Autom. Control., 2004)

Passivity-based PI control of switched power converters. - Marcelo A. Pérez; Romeo Ortega; José R. Espinoza (IEEE Trans. Control. Syst. Technol., 2004)

Adaptive partial state feedback control of the DC-to-DC Cuk converter. - Hugo Rodríguez; Romeo Ortega; Alessandro Astolfi (ACC, 2005)

A Web-based linear-systems iLab. - Hugo Rodríguez; Romeo Ortega; Alessandro Astolfi (ACC, 2005)

A repetitive based controller for a shunt active filter to compensate for reactive power and harmonic distortion. - Gerardo Escobar; Romeo Ortega; Alessandro Astolfi; Misael F. Martínez-Montejano; Jesus Leyva-Ramos (CDC/ECC, 2005)

A Switched-Resistors Implementation of Compensators for Wave Reflections in Transmission Lines. - Alessandro de Rinaldis; Alessandro Astolfi; Romeo Ortega; Mark W. Spong (CDC/ECC, 2005)

Averaging Level Control of Multiple Tanks: A Passivity Based Approach. - Daniel Sbarbaro; Romeo Ortega (CDC/ECC, 2005)

Output-feedback stabilization of a class of uncertain non-minimum-phase nonlinear systems. - Dimitrios Karagiannis; Zhong-Ping Jiang; Romeo Ortega; Alessandro Astolfi (Autom., 2005)

Power Flow Control of a Doubly-Fed Induction Machine Coupled to a Flywheel. - Carles Batlle; Arnau Dòria-Cerezo; Romeo Ortega (Eur. J. Control, 2005)

Nonlinear Stabilization via System Immersion and Manifold Invariance: Survey and New Results. - Dimitrios Karagiannis; Alessandro Astolfi; Romeo Ortega (Multiscale Model. Simul., 2005)

On feedback equivalence to port controlled Hamiltonian systems. - Daizhan Cheng; Alessandro Astolfi; Romeo Ortega (Syst. Control. Lett., 2005)

Interconnection and damping assignment passivity-based control of mechanical systems with underactuation degree one. - José Ángel Acosta; Romeo Ortega; Alessandro Astolfi; Arun D. Mahindrakar (IEEE Trans. Autom. Control., 2005)

Is normalization necessary for stable model reference adaptive control? - Nikita E. Barabanov; Romeo Ortega; Alessandro Astolfi (IEEE Trans. Autom. Control., 2005)

Transient stabilization of multimachine power systems with nontrivial transfer conductances. - Romeo Ortega; Martha Galaz; Alessandro Astolfi; Yuanzhang Sun; Tielong Shen (IEEE Trans. Autom. Control., 2005)

Further constructive results on interconnection and damping assignment control of mechanical systems: the acrobot example. - Arun D. Mahindrakar; Alessandro Astolfi; Romeo Ortega; Giuseppe Viola (ACC, 2006)

A cyclo-dissipativity condition for power factor improvement in electrical circuits. - Romeo Ortega; Eloísa García-Canseco; Robert Griñó; Alexander M. Stankovic (ACC, 2006)

On Transient Stabilization of Power Systems: A Power-Shaping Solution for Structure-Preserving Models. - Alvaro Giusto; Romeo Ortega; Alexander M. Stankovic (CDC, 2006)

A compensator for attenuation of wave reflections in long cable actuator-plant interconnections with guaranteed stability. - Alessandro de Rinaldis; Romeo Ortega; Mark W. Spong (Autom., 2006)

Dynamic Control of Uncertain Manipulators Through Immersion and Invariance Adaptive Visual Servoing. - Alessandro R. L. Zachi; Liu Hsu; Romeo Ortega; Fernando C. Lizarralde (Int. J. Robotics Res., 2006)

On tracking performance in bilateral teleoperation. - Nikhil Chopra; Mark W. Spong; Romeo Ortega; Nikita E. Barabanov (IEEE Trans. Robotics, 2006)

A Stator Voltage Oriented PI Controller For The Doubly-Fed Induction Machine. - Carles Batlle; Arnau Dòria-Cerezo; Romeo Ortega (ACC, 2007)

Power-Factor Compensation is Equivalent to Cyclodissipassivation. - Eloísa García-Canseco; Romeo Ortega; Robert Griñó; Alexander M. Stankovic (ACC, 2007)

Passive Bilateral Teleoperation Framework for Assisted Robotic Tasks. - Emmanuel Nuno; Luis Basañez; Romeo Ortega (ICRA, 2007)

Stabilization of Uncertain Nonlinear Systems via Immersion and Invariance. - Alessandro Astolfi; Dimitrios Karagiannis; Romeo Ortega (Eur. J. Control, 2007)

Passivity of nonlinear incremental systems: Application to PI stabilization of nonlinear RLC circuits. - Bayu Jayawardhana; Romeo Ortega; Eloísa García-Canseco; Fernando Castaños (Syst. Control. Lett., 2007)

Total Energy Shaping Control of Mechanical Systems: Simplifying the Matching Equations Via Coordinate Changes. - Giuseppe Viola; Romeo Ortega; Ravi N. Banavar; José Ángel Acosta; Alessandro Astolfi (IEEE Trans. Autom. Control., 2007)

Interconnection and Damping Assignment Passivity-Based Control: Static vs dynamic state-feedback. - Alessandro Astolfi; Romeo Ortega (CDC, 2008)

A "globally" convergent controller for transient stability of multi-machine power systems using structure-preserving models. - Wissam Dib; Romeo Ortega; Andrey Barabanov; Françoise Lamnabhi-Lagarrigue (CDC, 2008)

Interconnection and Damping Assignment Passivity-Based Control for port-Hamiltonian mechanical systems with only position measurements. - Daniel Alonzo Dirksz; Jacquelien M. A. Scherpen; Romeo Ortega (CDC, 2008)

Dissipativity properties of detailed models of synchronous generators. - Alvaro Giusto; Alex M. Stankovic; Romeo Ortega (CDC, 2008)

On the passivity properties of a new family of repetitive (hyperbolic) controllers. - Perla Gisel Hernandez-Briones; Gerardo Escobar; Romeo Ortega (CDC, 2008)

Power factor compensation of a controlled rectifier with non-sinusoidal generator voltage using passive components. - Michael Hernandez-Gomez; Romeo Ortega; Françoise Lamnabhi-Lagarrigue; Gerardo Escobar (CDC, 2008)

Nonlinear control synthesis for asymptotic stabilization of the swing equation using a controllable series capacitor via Immersion and Invariance. - Narayan Suresh Manjarekar; Ravi N. Banavar; Romeo Ortega (CDC, 2008)

An observer for permanent magnet synchronous motors with currents and voltages as only measurements. - François Poulain; Laurent Praly; Romeo Ortega (CDC, 2008)

A controller for the active filter considering load and line impedances. - Andres A. Valdez; Gerardo Escobar; Romeo Ortega (CDC, 2008)

Control of underactuated mechanical systems: Observer design and position feedback stabilization. - Aneesh Venkatraman; Romeo Ortega; Ioannis Sarras; Arjan van der Schaft (CDC, 2008)

Towards applied nonlinear adaptive control. - Alessandro Astolfi; Dimitrios Karagiannis; Romeo Ortega (Annu. Rev. Control., 2008)

A constructive solution for stabilization via immersion and invariance: The cart and pendulum system. - José Ángel Acosta; Romeo Ortega; Alessandro Astolfi; Ioannis Sarras (Autom., 2008)

On ultimate boundedness around non-assignable equilibria of linear time-invariant systems. - Andrey Barabanov; Romeo Ortega; Gerardo Escobar (Autom., 2008)

On the passivity properties of a new family of repetitive (hyperbolic) controllers. - Perla Gisel Hernandez-Briones; Gerardo Escobar; Romeo Ortega; Michael Hernandez-Gomez (Int. J. Control, 2008)

Control by Interconnection and Standard Passivity-Based Control of Port-Hamiltonian Systems. - Romeo Ortega; Arjan van der Schaft; Fernando Castaños; Alessandro Astolfi (IEEE Trans. Autom. Control., 2008)

A Globally Stable PD Controller for Bilateral Teleoperators. - Emmanuel Nuno; Romeo Ortega; Nikita E. Barabanov; Luis Basañez (IEEE Trans. Robotics, 2008)

A new strict Lyapunov function for fully-actuated mechanical systems controlled by IDA-PBC. - José Ángel Acosta; Elena Panteley; Romeo Ortega (CCA/ISIC, 2009)

Decentralized adaptive synchronization in nonlinear dynamical networks with nonidentical nodes. - Alexander L. Fradkov; Ibragim Junussov; Romeo Ortega (CCA/ISIC, 2009)

Globally stable adaptive formation control of Euler-Lagrange agents via potential functions. - Ademir Rodrigues Pereira; Liu Hsu; Romeo Ortega (ACC, 2009)

A globally exponentially convergent immersion and invariance speed observer for n degrees of freedom mechanical systems. - Alessandro Astolfi; Romeo Ortega; Aneesh Venkatraman (CDC, 2009)

Asymptotic stabilization of passive systems without damping injection: A sampled integral-approximation technique. - Daniele Casagrande; Alessandro Astolfi; Romeo Ortega (CDC, 2009)

Model reduction by moment matching for switched power converters. - Wissam Dib; Alessandro Astolfi; Romeo Ortega (CDC, 2009)

Identification of nonlinearly parameterized nonlinear models: application to mass balance systems. - Xiangbin Liu; Romeo Ortega; Hongye Su; Jian Chu (CDC, 2009)

Power factor compensation with lossless linear filters is equivalent to (weighted) power equalization and a new cyclo-dissipativity characterization. - Dunstano del Puerto-Flores; Romeo Ortega; Jacquelien M. A. Scherpen (CDC, 2009)

Speed and load torque observer for rotating machines. - Dhruv Shah; Romeo Ortega; Alessandro Astolfi (CDC, 2009)

A state observer for multimachine power systems based on model reduction by moment matching. - Wissam Dib; Alessandro Astolfi; Romeo Ortega (ECC, 2009)

An application of Immersion and Invariance to a differential algebraic system: A power system. - Narayan Suresh Manjarekar; Ravi N. Banavar; Romeo Ortega (ECC, 2009)

An experimental result on stabilization via Immersion and Invariance: The cart-pendulum system. - Ioannis Sarras; Houria Siguerdidjane; Romeo Ortega (ECC, 2009)

Control of the air supply system of a PEM fuel cell with guaranteed stability properties. - Reine Talj; Romeo Ortega; Mickaël Hilairet (ECC, 2009)

Asymptotic stabilization via control by interconnection of port-Hamiltonian systems. - Fernando Castaños; Romeo Ortega; Arjan van der Schaft; Alessandro Astolfi (Autom., 2009)

Proportional Plus Integral Control for Set-Point Regulation of a Class of Nonlinear RLC Circuits. - Fernando Castaños; Bayu Jayawardhana; Romeo Ortega; Eloísa García-Canseco (Circuits Syst. Signal Process., 2009)

Simultaneous interconnection and damping assignment passivity-based control: the induction machine case study. - Carles Batlle; Arnau Dòria-Cerezo; Gerardo Espinosa-Pérez; Romeo Ortega (Int. J. Control, 2009)

A controller tuning methodology for the air supply system of a PEM fuel-cell system with guaranteed stability properties. - Reine Talj; Romeo Ortega; Mickaël Hilairet (Int. J. Control, 2009)

Position Tracking for Non-linear Teleoperators with Variable Time Delay. - Emmanuel Nuno; Luis Basañez; Romeo Ortega; Mark W. Spong (Int. J. Robotics Res., 2009)

Dynamic extension is unnecessary for stabilization via interconnection and damping assignment passivity-based control. - Alessandro Astolfi; Romeo Ortega (Syst. Control. Lett., 2009)

Energy-balancing passivity-based control is equivalent to dissipation and output invariance. - Fernando Castaños; Romeo Ortega (Syst. Control. Lett., 2009)

A "Globally" Convergent Controller for Multi-Machine Power Systems Using Structure-Preserving Models. - Wissam Dib; Romeo Ortega; Andrey Barabanov; Françoise Lamnabhi-Lagarrigue (IEEE Trans. Autom. Control., 2009)

A Nonlinear Tracking Controller for Voltage-Fed Induction Motors With Uncertain Load Torque. - Dimitrios Karagiannis; Alessandro Astolfi; Romeo Ortega; Mickaël Hilairet (IEEE Trans. Control. Syst. Technol., 2009)

An Adaptive Controller for the Shunt Active Filter Considering a Dynamic Load and the Line Impedance. - Andres A. Valdez; Gerardo Escobar; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2009)

Global observer design for mechanical systems with non-holonomic constraints. - Alessandro Astolfi; Romeo Ortega; Aneesh Venkatraman (ACC, 2010)

A cyclodissipativity condition for power factor improvement under nonsinusoidal source with significant impedance. - Dunstano del Puerto-Flores; Romeo Ortega; Jacquelien M. A. Scherpen (CDC, 2010)

Total energy-shaping IDA-PBC control of the 2D-SpiderCrane. - Ioannis Sarras; Faruk Kazi 001; Romeo Ortega; Ravi N. Banavar (CDC, 2010)

Position tracking using adaptive control for bilateral teleoperators with time-delays. - Emmanuel Nuño; Luis Basañez; Romeo Ortega; Guillermo Obregon-Pulido (ICRA, 2010)

Adaptive control for the synchronization of multiple robot manipulators with coupling time-delays. - Emmanuel Nuño; Luis Basañez; Romeo Ortega (IROS, 2010)

A globally exponentially convergent immersion and invariance speed observer for mechanical systems with non-holonomic constraints. - Alessandro Astolfi; Romeo Ortega; Aneesh Venkatraman (Autom., 2010)

Power-based control of physical systems. - Eloísa García-Canseco; Dimitri Jeltsema; Romeo Ortega; Jacquelien M. A. Scherpen (Autom., 2010)

An adaptive controller for nonlinear teleoperators. - Emmanuel Nuño; Romeo Ortega; Luis Basañez (Autom., 2010)

Stabilization of the Experimental Cart-Pendulum System with Proven Domain of Attraction. - Ioannis Sarras; Houria Siguerdidjane; Romeo Ortega (Eur. J. Control, 2010)

Stabilisation of nonlinear chemical processes via dynamic power-shaping passivity-based control. - Zhitao Liu; Romeo Ortega; Hongye Su (Int. J. Control, 2010)

Immersion and Invariance Adaptive Control of Nonlinearly Parameterized Nonlinear Systems. - Xiangbin Liu; Romeo Ortega; Hongye Su; Jian Chu (IEEE Trans. Autom. Control., 2010)

Speed Observation and Position Feedback Stabilization of Partially Linearizable Mechanical Systems. - Aneesh Venkatraman; Romeo Ortega; Ioannis Sarras; Arjan van der Schaft (IEEE Trans. Autom. Control., 2010)

Adaptive PI Stabilization of Switched Power Converters. - Michael Hernandez-Gomez; Romeo Ortega; Françoise Lamnabhi-Lagarrigue; Gerardo Escobar (IEEE Trans. Control. Syst. Technol., 2010)

Experimental Validation of a PEM Fuel-Cell Reduced-Order Model and a Moto-Compressor Higher Order Sliding-Mode Control. - Reine Talj; Daniel Hissel; Romeo Ortega; Mohamed Becherif; Mickaël Hilairet (IEEE Trans. Ind. Electron., 2010)

Improving transient stability of multi-machine power systems: Synchronization via immersion of a pendular system. - Wissam Dib; Romeo Ortega; Alessandro Astolfi; David J. Hill 001 (ACC, 2011)

Global stabilization of non-globally linearizable triangular systems: Application to transient stability of power systems. - Daniele Casagrande; Alessandro Astolfi; Romeo Ortega (CDC/ECC, 2011)

A globally convergent wind speed estimator for windmill systems. - Romeo Ortega; Fernando Mancilla-David; Fernando Jaramillo (CDC/ECC, 2011)

Air supply system of a PEM fuel cell model: Passivity and robust PI control. - Reine Talj; Romeo Ortega; Alessandro Astolfi (CDC/ECC, 2011)

Asymptotic stabilization of passive systems without damping injection: A sampled integral technique. - Daniele Casagrande; Alessandro Astolfi; Romeo Ortega (Autom., 2011)

Passivity-based control for bilateral teleoperation: A tutorial. - Emmanuel Nuño; Luis Basañez; Romeo Ortega (Autom., 2011)

Erratum to "An adaptive controller for nonlinear teleoperators" [Automatica 46 (2010) 155-159]. - Emmanuel Nuño; Romeo Ortega; Luis Basañez (Autom., 2011)

Passivity and robust PI control of the air supply system of a PEM fuel cell model. - Reine Talj; Romeo Ortega; Alessandro Astolfi (Autom., 2011)

On adaptive control of nonlinearly parameterized nonlinear systems: Towards a constructive procedure. - Xiangbin Liu; Romeo Ortega; Hongye Su; Jian Chu (Syst. Control. Lett., 2011)

Synchronization of Networks of Nonidentical Euler-Lagrange Systems With Uncertain Parameters and Communication Delays. - Emmanuel Nuño; Romeo Ortega; Luis Basañez; David J. Hill 001 (IEEE Trans. Autom. Control., 2011)

Estimation of Rotor Position and Speed of Permanent Magnet Synchronous Motors With Guaranteed Stability. - Romeo Ortega; Laurent Praly; Alessandro Astolfi; Junggi Lee; Kwanghee Nam (IEEE Trans. Control. Syst. Technol., 2011)

Observer-based PI stabilization of power converters. - Aya Alawieh; Ali Jaafar; Romeo Ortega; Emmanuel Godoy; Pierre Lefranc (ACC, 2012)

Theory and experimental results of two dynamic energy routers. - Victor Manuel Ramírez; Romeo Ortega; Robert Griñó; Antonio Sánchez-Squella; Olivier Bethoux (ACC, 2012)

A solution to the problem of transient stability of multimachine power systems. - Daniele Casagrande; Alessandro Astolfi; Romeo Ortega; Diego Langarica-Córdoba (CDC, 2012)

Robustifying energy shaping control of mechanical systems. - José Guadalupe Romero; Alejandro Donaire; Romeo Ortega (CDC, 2012)

Asymptotic stabilization of nonlinear systems via sign-indefinite damping injection. - Ioannis Sarras; Romeo Ortega; Elena Panteley (CDC, 2012)

Theory for the user and application examples of the passivity-based control for AC electric machines. - Romeo Ortega; Gerardo Espinosa-Pérez; Alessandro Astolfi (ISIE, 2012)

A feedback-based L2-norm limiter for periodic signals. - Robert Griñó; Romeo Ortega; Enric Fossas (Autom., 2012)

An Immersion and Invariance Algorithm for a Differential Algebraic System. - Narayan Suresh Manjarekar; Ravi N. Banavar; Romeo Ortega (Eur. J. Control, 2012)

Control via interconnection and damping assignment of linear time-invariant systems: a tutorial. - Romeo Ortega; Zhitao Liu; Hongye Su (Int. J. Control, 2012)

A cyclodissipativity characterization of power factor compensation of nonlinear loads under nonsinusoidal conditions. - Dunstano del Puerto-Flores; Romeo Ortega; Jacquelien M. A. Scherpen (Int. J. Circuit Theory Appl., 2012)

Robust integral control of port-Hamiltonian systems: The case of non-passive outputs with unmatched disturbances. - Romeo Ortega; José Guadalupe Romero (Syst. Control. Lett., 2012)

On-Line Estimation of the Temperature Dependent Parameters of Photovoltaic Generators. - Carlos Meza; Romeo Ortega (ALCOSP, 2013)

A Robust Strictly Passive Output-Error Identifier for Continuous-Time Systems. - Lei Wang 059; Romeo Ortega; Hongye Su; Xiangbin Liu; Yang Zhu (ALCOSP, 2013)

On the effect of input filtering and fast adaptation in model reference adaptive control. - Romeo Ortega (ACC, 2013)

Conditions for existence of equilibrium points of systems with constant power loads. - Santiago Sanchez Acevedo; Romeo Ortega; Gilbert Bergna; Marta Molinas; Robert Griñó (CDC, 2013)

Control and estimation scheme for PV central inverters. - Carlos Meza; Romeo Ortega (ICAT, 2013)

Coordination of multi-agent Euler-Lagrange systems via energy-shaping: Networking improves robustness. - Emmanuel Nuño; Romeo Ortega; Bayu Jayawardhana; Luis Basañez (Autom., 2013)

Constructive immersion and invariance stabilization for a class of underactuated mechanical systems. - Ioannis Sarras; José Ángel Acosta; Romeo Ortega; Arun D. Mahindrakar (Autom., 2013)

A port-Hamiltonian approach to power network modeling and analysis. - Shaik Fiaz; Daniele Zonetti; Romeo Ortega; Jacquelien M. A. Scherpen; A. J. van der Schaft (Eur. J. Control, 2013)

Networking improves robustness in flexible-joint multi-robot systems with only joint position measurements. - Emmanuel Nuño; Romeo Ortega; Bayu Jayawardhana; Luis Basañez (Eur. J. Control, 2013)

Passivity-based control of AC drives: theory for the user and application examples. - Romeo Ortega; Gerardo Espinosa-Pérez; Alessandro Astolfi (Int. J. Control, 2013)

Robust energy shaping control of mechanical systems. - José Guadalupe Romero; Alejandro Donaire; Romeo Ortega (Syst. Control. Lett., 2013)

Study of the Stability of a Direct Stator Current Controller for a Doubly Fed Induction Machine Using the Complex Hurwitz Test. - Arnau Dòria-Cerezo; Marc Bodson; Carles Batlle; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2013)

PI Stabilization of Power Converters With Partial State Measurements. - Ali Jaafar; Aya Alawieh; Romeo Ortega; Emmanuel Godoy; Pierre Lefranc (IEEE Trans. Control. Syst. Technol., 2013)

Estimation of Rotor Effective Wind Speed: A Comparison. - Mohsen Nourbakhsh Soltani; Torben Knudsen; Mikael Svenstrup; Rafael Wisniewski; Per Brath; Romeo Ortega; Kathryn E. Johnson (IEEE Trans. Control. Syst. Technol., 2013)

Constrained stabilization of a cart on an asymmetric-beam system through IDA-PBC. - Arun D. Mahindrakar; José Ángel Acosta; Romeo Ortega (CCA, 2014)

New results on Control by Interconnection and Energy-Balancing Passivity-Based Control of port-hamiltonian systems. - Romeo Ortega; Luis Pablo Borja (CDC, 2014)

On parameter convergence of nonlinearly parameterized adaptive systems: Analysis via contraction and first Lyapunov's methods. - Lei Wang 059; Romeo Ortega; Hongye Su; Zhitao Liu; Weihua Xu 004 (CDC, 2014)

A globally asymptotically stable decentralized PI controller for multi-terminal high-voltage DC transmission systems. - Daniele Zonetti; Romeo Ortega; Abdelkrim Benchaib (ECC, 2014)

Robust control of rapid thermal processes applied to vapor deposition processing. - Stanislav Aranovskiy; Aleksandr A. Kapitonov; Alexey A. Bobtsov; Anton A. Pyrkin; Evgeny Zavarin; Denis Davydov; Romeo Ortega (ICUMT, 2014)

Global tracking passivity-based PI control for power converters: An application to the boost and modular multilevel converters. - Rafael Cisneros 003; Romeo Ortega; Matteo Pirro; Gianluca Ippoliti; Gilbert Bergna; Marta Molinas Cabrera (ISIE, 2014)

Conditions for stability of droop-controlled inverter-based microgrids. - Johannes Schiffer; Romeo Ortega; Alessandro Astolfi; Jörg Raisch; Tevfik Sezi (Autom., 2014)

Modeling and Control of High-Voltage Direct-Current Transmission Systems: From Theory to Practice and Back. - Daniele Zonetti; Romeo Ortega; Abdelkrim Benchaib (CoRR, 2014)

Comments on L1-adaptive control: stabilisation mechanism, existing conditions for stability and performance limitations. - Romeo Ortega; Elena Panteley (Int. J. Control, 2014)

L1-Adaptive Control: Stability, Robustness, and Interpretations. - Petros A. Ioannou; Anuradha M. Annaswamy; Kumpati S. Narendra; Saeid Jafari; L. Rudd; Romeo Ortega; Jovan D. Boskovic (IEEE Trans. Autom. Control., 2014)

Conditions for Existence of Equilibria of Systems With Constant Power Loads. - Santiago Sanchez Acevedo; Romeo Ortega; Robert Griñó; Gilbert Bergna; Marta Molinas (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

Output Regulation of Large-Scale Hydraulic Networks. - Claudio De Persis; Tom Norgaard Jensen; Romeo Ortega; Rafal Wisniewski (IEEE Trans. Control. Syst. Technol., 2014)

An Estimator of Solar Irradiance in Photovoltaic Arrays With Guaranteed Stability Properties. - Miguel Carrasco; Fernando Mancilla-David; Romeo Ortega (IEEE Trans. Ind. Electron., 2014)

Energy Management of Fuel Cell/Battery/Supercapacitor Hybrid Power Sources Using Model Predictive Control. - Amin; Riyanto T. Bambang; Arief Syaichu-Rohman; Cees Jan Dronkers; Romeo Ortega; Arif Sasongko (IEEE Trans. Ind. Informatics, 2014)

Ćuk converter full state adaptive observer design. - Anton A. Pyrkin; Romeo Ortega; Alexey A. Bobtsov; Stanislav Aranovskiy; Dmitry Nikolaevich Gerasimov (CCA, 2015)

Robust PI passivity-based control of nonlinear systems: Application to port-Hamiltonian systems and temperature regulation. - Stanislav Aranovskiy; Romeo Ortega; Rafael Cisneros 003 (ACC, 2015)

ISS of multistable systems with delays: Application to droop-controlled inverter-based microgrids. - Denis V. Efimov; Romeo Ortega; Johannes Schiffer (ACC, 2015)

Droop-controlled inverter-based microgrids are robust to clock drifts. - Johannes Schiffer; Romeo Ortega; Christian A. Hans; Jörg Raisch (ACC, 2015)

Shaping the energy of port-Hamiltonian systems without solving PDE's. - Pablo Borja 001; Rafael Cisneros 003; Romeo Ortega (CDC, 2015)

Stability of a class of delayed port-Hamiltonian systems with application to droop-controlled microgrids. - Johannes Schiffer; Emilia Fridman; Romeo Ortega (CDC, 2015)

Immersion and invariance stabilization of nonlinear systems: A horizontal contraction approach. - Lei Wang 059; Fulvio Forni; Romeo Ortega; Hongye Su (CDC, 2015)

Modular multilevel converter passivity-based PI control suited for balanced and unbalanced grid conditions. - Gilbert Bergna; Matteo Pirro; Erik Berne; Amir Arzande; Marta Molinas Cabrera; Romeo Ortega (ICIT, 2015)

Smooth stabilisation of nonholonomic robots subject to disturbances. - Alejandro Donaire; José Guadalupe Romero; Tristan Perez; Romeo Ortega (ICRA, 2015)

A robust globally convergent position observer for the permanent magnet synchronous motor. - Alexey A. Bobtsov; Anton A. Pyrkin; Romeo Ortega; Slobodan N. Vukosavic; Aleksandar M. Stankovic; Elena V. Panteley (Autom., 2015)

Two globally convergent adaptive speed observers for mechanical systems. - José Guadalupe Romero; Romeo Ortega (Autom., 2015)

Further deleterious effects of the dissipation obstacle in control-by-interconnection of port-Hamiltonian systems. - Meng Zhang 011; Romeo Ortega; Dimitri Jeltsema; Hongye Su (Autom., 2015)

Global Tracking Passivity-based PI Control of Bilinear Systems and its Application to the Boost and Modular Multilevel Converters. - Rafael Cisneros 003; Matteo Pirro; Gilbert Bergna; Romeo Ortega; Gianluca Ippoliti; Marta Molinas (CoRR, 2015)

Simultaneous Interconnection and Damping Assignment Passivity-based Control of Mechanical Systems Using Generalized Forces. - Alejandro Donaire; Romeo Ortega; José Guadalupe Romero (CoRR, 2015)

Modeling of microgrids - from fundamental physics to phasors and voltage sources. - Johannes Schiffer; Daniele Zonetti; Romeo Ortega; Aleksandar M. Stankovic; Tevfik Sezi; Jörg Raisch (CoRR, 2015)

Transient stabilization of multimachine power systems: Towards a global decentralized solution. - Diego Langarica-Córdoba; Romeo Ortega; Daniele Casagrande (Eur. J. Control, 2015)

When is a parameterized controller suitable for adaptive control? - Romeo Ortega; Elena Panteley (Eur. J. Control, 2015)

Consensus control of flexible-joint robots. - Sofia Avila-Becerril; Gerardo Espinosa-Pérez; Elena Panteley; Romeo Ortega (Int. J. Control, 2015)

On the matching equations of energy shaping controllers for mechanical systems. - Naveena Crasta; Romeo Ortega; Harish K. Pillai (Int. J. Control, 2015)

A parameter estimation approach to state observation of nonlinear systems. - Romeo Ortega; Alexey A. Bobtsov; Anton A. Pyrkin; Stanislav Aranovskiy (Syst. Control. Lett., 2015)

A Globally Exponentially Stable Tracking Controller for Mechanical Systems Using Position Feedback. - José Guadalupe Romero; Romeo Ortega; Ioannis Sarras (IEEE Trans. Autom. Control., 2015)

Stabilization of Nonlinear Systems Nonlinearly Depending on Fast Time-Varying Parameters: An Immersion and Invariance Approach. - Lei Wang 059; Romeo Ortega; Hongye Su; Zhitao Liu (IEEE Trans. Autom. Control., 2015)

Parameters estimation via dynamic regressor extension and mixing. - Stanislav Aranovskiy; Alexey A. Bobtsov; Romeo Ortega; Anton A. Pyrkin (ACC, 2016)

Robust IDA-PBC for underactuated mechanical systems subject to matched disturbances. - Alejandro Donaire; José Guadalupe Romero; Romeo Ortega; Bruno Siciliano (ACC, 2016)

Almost global attractivity of a synchronous generator connected to an infinite bus. - Nikita E. Barabanov; Johannes Schiffer; Romeo Ortega; Denis V. Efimov (CDC, 2016)

Towards a constructive interconnection and damping assignment stabilization methodology. - Meng Zhang 011; Romeo Ortega; Zhitao Liu; Hongye Su; Jianping Cai 001 (CDC, 2016)

A tool for power flow analysis of a generalized class of droop controllers for high-voltage direct-current transmission systems. - Daniele Zonetti; Romeo Ortega; Johannes Schiffer (CDC, 2016)

On existence and stability of equilibria of DC LTI circuits with constant power loads. - Nikita E. Barabanov; Romeo Ortega; Robert Griñó; Boris T. Polyak (ECC, 2016)

A constructive procedure for energy shaping of port - Hamiltonian systems. - Pablo Borja 001; Rafael Cisneros 003; Romeo Ortega (Autom., 2016)

Stability of a class of delayed port-Hamiltonian systems with application to microgrids with distributed rotational and electronic generation. - Johannes Schiffer; Emilia Fridman; Romeo Ortega; Jörg Raisch (Autom., 2016)

A survey on modeling of microgrids - From fundamental physics to phasors and voltage sources. - Johannes Schiffer; Daniele Zonetti; Romeo Ortega; Aleksandar M. Stankovic; Tevfik Sezi; Jörg Raisch (Autom., 2016)

Improved Transients in Multiple Frequencies Estimation via Dynamic Regressor Extension and Mixing. - Stanislav Aranovskiy; Alexey A. Bobtsov; Romeo Ortega; Anton A. Pyrkin (CoRR, 2016)

Energy Shaping Control of an Inverted Flexible Pendulum Fixed to a Cart. - Prasanna S. Gandhi; Pablo Borja 001; Romeo Ortega (CoRR, 2016)

Identification of Photovoltaic Arrays' Maximum Power Extraction Point via Dynamic Regressor Extension and Mixing. - Anton A. Pyrkin; Fernando Mancilla-David; Romeo Ortega; Alexey A. Bobtsov; Stanislav Aranovskiy (CoRR, 2016)

Robustness of delayed multistable systems with application to droop-controlled inverter-based microgrids. - Denis V. Efimov; Johannes Schiffer; Romeo Ortega (Int. J. Control, 2016)

Simultaneous interconnection and damping assignment passivity-based control of mechanical systems using dissipative forces. - Alejandro Donaire; Romeo Ortega; José Guadalupe Romero (Syst. Control. Lett., 2016)

Shaping the Energy of Mechanical Systems Without Solving Partial Differential Equations. - Alejandro Donaire; Rachit Mehra; Romeo Ortega; Sumeet G. Satpute; José Guadalupe Romero; Faruk Kazi 001; Navdeep M. Singh (IEEE Trans. Autom. Control., 2016)

Energy Shaping of Mechanical Systems via PID Control and Extension to Constant Speed Tracking. - José Guadalupe Romero; Romeo Ortega; Alejandro Donaire (IEEE Trans. Autom. Control., 2016)

On Existence and Stability of Equilibria of Linear Time-Invariant Systems With Constant Power Loads. - Nikita E. Barabanov; Romeo Ortega; Robert Griñó; Boris T. Polyak (IEEE Trans. Circuits Syst. I Regul. Pap., 2016)

On global asymptotic stability of SPR adaptive systems without persistent excitation. - Nikita E. Barabanov; Romeo Ortega (CDC, 2017)

Matched disturbance rejection for energy-shaping controlled underactuated mechanical systems. - Joel Ferguson; Alejandro Donaire; Romeo Ortega; Richard H. Middleton (CDC, 2017)

Position observer for salient PMSM with measured speed. - Dmitry Bazylev; Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega (MED, 2017)

New results on disturbance rejection for energy-shaping controlled port-Hamiltonian systems. - Joel Ferguson; Alejandro Donaire; Romeo Ortega; Richard H. Middleton (CoRR, 2017)

State Observers for Sensorless Control of Magnetic Levitation Systems. - Alexey A. Bobtsov; Anton A. Pyrkin; Romeo Ortega; Alexey A. Vedyakov (CoRR, 2017)

A relaxed characterization of ISS for periodic systems with multiple invariant sets. - Denis V. Efimov; Johannes Schiffer; Nikita E. Barabanov; Romeo Ortega (Eur. J. Control, 2017)

A robust nonlinear position observer for synchronous motors with relaxed excitation conditions. - Alexey A. Bobtsov; Dmitry Bazylev; Anton A. Pyrkin; Stanislav Aranovskiy; Romeo Ortega (Int. J. Control, 2017)

On global asymptotic stability of x = - Φ(t)ΦT(t)x with Φ not persistently exciting. - Nikita E. Barabanov; Romeo Ortega (Syst. Control. Lett., 2017)

Performance Enhancement of Parameter Estimators via Dynamic Regressor Extension and Mixing. - Stanislav Aranovskiy; Alexey A. Bobtsov; Romeo Ortega; Anton A. Pyrkin (IEEE Trans. Autom. Control., 2017)

Conditions for Almost Global Attractivity of a Synchronous Generator Connected to an Infinite Bus. - Nikita E. Barabanov; Johannes Schiffer; Romeo Ortega; Denis V. Efimov (IEEE Trans. Autom. Control., 2017)

Immersion and Invariance Stabilization of Nonlinear Systems Via Virtual and Horizontal Contraction. - Lei Wang 059; Fulvio Forni; Romeo Ortega; Zhitao Liu; Hongye Su (IEEE Trans. Autom. Control., 2017)

On Existence of Equilibria of Multi-Port Linear AC Networks With Constant-Power Loads. - Juan E. Machado; Robert Griñó; Nikita E. Barabanov; Romeo Ortega; Boris T. Polyak (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Modeling, Analysis, and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems. - Johannes Schiffer; Christian A. Hans; Thomas Kral; Romeo Ortega; Jörg Raisch (IEEE Trans. Ind. Electron., 2017)

DC-DC Buck-Boost Converters with Unknown CPL: An Adaptive PBC. - Wei He 001; Carlos Abraham Soriano-Rangel; Romeo Ortega; Alessandro Astolfi; Fernando Mancilla-David; Shihua Li 001 (ACC, 2018)

Robust Stability Under Relaxed Persistent Excitation Conditions. - Denis V. Efimov; Nikita E. Barabanov; Romeo Ortega (CDC, 2018)

Almost Global Synchronization in Radial Multi-Machine Power Systems. - Johannes Schiffer; Denis V. Efimov; Romeo Ortega (CDC, 2018)

An Adaptive Observer for Sensorless Control of the Levitated Ball Using Signal Injection. - Bowen Yi; Romeo Ortega; Houria Siguerdidjane; Weidong Zhang 004 (CDC, 2018)

On Physical Modeling of Lithium-Ion Cells and Adaptive Estimation of their State-of-Charge. - Daniele Zonetti; Bowen Yi; Stanislav Aranovskiy; Denis V. Efimov; Romeo Ortega; Enrique Garcia-Quismondo (CDC, 2018)

Enhanced Parameter Convergence for Linear Systems Identification: The DREM Approach. - Alexey A. Belov; Stanislav Aranovskiy; Romeo Ortega; Nikita E. Barabanov; Alexey A. Bobtsov (ECC, 2018)

Dynamic Zero Finding for Algebraic Equations. - Thulasi Mylvaganam; Romeo Ortega; Juan E. Machado; Alessandro Astolfi (ECC, 2018)

Sensorless control of PM synchronous motors with a robust nonlinear observer. - Dmitry Bazylev; Slobodan N. Vukosavic; Alexey A. Bobtsov; Anton A. Pyrkin; Aleksandar M. Stankovic; Romeo Ortega (ICPS, 2018)

A state observer for sensorless control of magnetic levitation systems. - Alexey A. Bobtsov; Anton A. Pyrkin; Romeo Ortega; Alexey A. Vedyakov (Autom., 2018)

Permanent magnet synchronous motors are globally asymptotically stabilizable with PI current control. - Romeo Ortega; Nima Monshizadeh; Pooya Monshizadeh; Dmitry Bazylev; Anton A. Pyrkin (Autom., 2018)

On dynamic regressor extension and mixing parameter estimators: Two Luenberger observers interpretations. - Romeo Ortega; Laurent Praly; Stanislav Aranovskiy; Bowen Yi; Weidong Zhang 004 (Autom., 2018)

Global stabilisation of underactuated mechanical systems via PID passivity-based control. - José Guadalupe Romero; Alejandro Donaire; Romeo Ortega; Pablo Borja 001 (Autom., 2018)

Robust integral action of port-Hamiltonian systems. - Joel Ferguson; Alejandro Donaire; Romeo Ortega; Richard H. Middleton (CoRR, 2018)

Active Damping of a DC Network with a Constant Power Load: An Adaptive Passivity-based Control Approach. - Juan E. Machado; José Arocas-Pérez; Wei He 001; Romeo Ortega; Robert Griñó (CoRR, 2018)

On the Existence and Long-Term Stability of Voltage Equilibria in Power Systems with Constant Power Loads. - Alexey S. Matveev; Juan E. Machado; Romeo Ortega; Johannes Schiffer; Anton A. Pyrkin (CoRR, 2018)

Orbital Stabilization of Nonlinear Systems via the Immersion and Invariance Technique. - Romeo Ortega; Bowen Yi; José Guadalupe Romero; Alessandro Astolfi (CoRR, 2018)

Sensorless Control of the Levitated Ball. - Alexey A. Bobtsov; Anton A. Pyrkin; Romeo Ortega; Alexey A. Vedyakov (CoRR, 2018)

Online Estimation of Power System Inertia Using Dynamic Regressor Extension and Mixing. - Johannes Schiffer; Petros Aristidou; Romeo Ortega (CoRR, 2018)

Smooth, Time-invariant Regulation of Nonholonomic Systems via Energy Pumping-and-Damping. - Bowen Yi; Romeo Ortega; Weidong Zhang 004 (CoRR, 2018)

Relaxing the high-frequency gain sign assumption in direct model reference adaptive control. - Dmitry Nikolaevich Gerasimov; Romeo Ortega; Vladimir O. Nikiforov (Eur. J. Control, 2018)

Relaxing the conditions for parameter estimation-based observers of nonlinear systems via signal injection. - Bowen Yi; Romeo Ortega; Weidong Zhang 004 (Syst. Control. Lett., 2018)

Global Consensus of Time-Varying Multiagent Systems Without Persistent Excitation Assumptions. - Nikita E. Barabanov; Romeo Ortega (IEEE Trans. Autom. Control., 2018)

PID Passivity-Based Control of Port-Hamiltonian Systems. - Meng Zhang 011; Pablo Borja 001; Romeo Ortega; Zhitao Liu; Hongye Su (IEEE Trans. Autom. Control., 2018)

A Tool for Stability and Power-Sharing Analysis of a Generalized Class of Droop Controllers for High-Voltage Direct-Current Transmission Systems. - Daniele Zonetti; Romeo Ortega; Johannes Schiffer (IEEE Trans. Control. Netw. Syst., 2018)

Achieving Consensus of Euler-Lagrange Agents With Interconnecting Delays and Without Velocity Measurements via Passivity-Based Control. - Emmanuel Nuno; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2018)

A Frequency Domain Interpretation of Signal Injection Methods for Salient PMSMs. - Bowen Yi; Slobodan N. Vukosavic; Romeo Ortega; Aleksandar M. Stankovic; Weidong Zhang 004 (CCTA, 2019)

An adaptive passivity-based controller for a wind energy conversion system⋆. - Rafael Cisneros 003; Rui Gao; Romeo Ortega; Iqbal Husain (CDC, 2019)

DREM-based Adaptive Observer for Induction Motors. - Anton A. Pyrkin; Alexey A. Bobtsov; Alexey A. Vedyakov; Romeo Ortega; Anastasiia O. Vediakova; Madina Sinetova (CDC, 2019)

Two Constructive Solutions to Orbital Stabilization of Nonlinear Systems via Passivity-based Control. - Bowen Yi; Romeo Ortega; Dongjun Wu; Weidong Zhang 004 (CDC, 2019)

Active Damping of a DC Network with a Constant Power Load: An Adaptive Observer-based Design. - Juan E. Machado; Romeo Ortega; Alessandro Astolfi; José Arocas-Pérez; Robert Griñó; Anton A. Pyrkin; Alexey A. Bobtsov (ECC, 2019)

Power-controlled Hamiltonian systems: Application to electrical systems with constant power loads. - Pooya Monshizadeh; Juan E. Machado; Romeo Ortega; Arjan van der Schaft (Autom., 2019)

Adaptive control of linear multivariable systems using dynamic regressor extension and mixing estimators: Removing the high-frequency gain assumptions. - Romeo Ortega; Dmitry Nikolaevich Gerasimov; Nikita E. Barabanov; Vladimir O. Nikiforov (Autom., 2019)

Global synchronization analysis of droop-controlled microgrids - A multivariable cell structure approach. - Johannes Schiffer; Denis V. Efimov; Romeo Ortega (Autom., 2019)

A New Signal Injection-based Method for Estimation of Position in Salient Permanent Magnet Synchronous Motors. - Bowen Yi; Slobodan N. Vukosavic; Romeo Ortega; Aleksandar M. Stankovic; Weidong Zhang 004 (CoRR, 2019)

A globally exponentially stable position observer for interior permanent magnet synchronous motors. - Romeo Ortega; Bowen Yi; Kwanghee Nam; Jongwon Choi (CoRR, 2019)

Voltage regulation in buck-boost coniverters feeding an unknown constant power load: an adaptive passivity-based control. - Carlos Abraham Soriano-Rangel; Wei He 001; Fernando Mancilla-David; Romeo Ortega (CoRR, 2019)

A globally exponentially stable speed observer for a class of mechanical systems: experimental and simulation comparison with high-gain and sliding mode designs. - Stanislav Aranovskiy; Romeo Ortega; José Guadalupe Romero; Dmitry Sokolov 002 (Int. J. Control, 2019)

On contraction of time-varying port-Hamiltonian systems. - Nikita E. Barabanov; Romeo Ortega; Anton A. Pyrkin (Syst. Control. Lett., 2019)

Conditions on shifted passivity of port-Hamiltonian systems. - Nima Monshizadeh; Pooya Monshizadeh; Romeo Ortega; Arjan van der Schaft (Syst. Control. Lett., 2019)

Adaptive state observers using dynamic regressor extension and mixing. - Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega; Alexey A. Vedyakov; Stanislav Aranovskiy (Syst. Control. Lett., 2019)

On State Observers for Nonlinear Systems: A New Design and a Unifying Framework. - Bowen Yi; Romeo Ortega; Weidong Zhang 004 (IEEE Trans. Autom. Control., 2019)

P+leaky I passivity-based control of power converters. - Daniele Zonetti; Gilbert Bergna-Diaz; Romeo Ortega (CDC, 2020)

Finite Time Observer for Induction Motors based on DREM algorithm. - Alexey Ovcharov; Anton A. Pyrkin; Alexey A. Bobtsov; Dmitry Bazylev; Romeo Ortega; Alexey A. Vedyakov (ECC, 2020)

☆On modified parameter estimators for identification and adaptive control. A unified framework and some new schemes. - Romeo Ortega; Vladimir O. Nikiforov; Dmitry Nikolaevich Gerasimov (Annu. Rev. Control., 2020)

On universal stabilization property of Interconnection and Damping Assignment Control. - Dongjun Wu; Romeo Ortega; Guangren Duan 001 (Autom., 2020)

Orbital stabilization of nonlinear systems via Mexican sombrero energy shaping and pumping-and-damping injection. - Bowen Yi; Romeo Ortega; Dongjun Wu; Weidong Zhang 004 (Autom., 2020)

Path following of a class of underactuated mechanical systems via immersion and invariance-based orbital stabilization. - Bowen Yi; Romeo Ortega; Ian R. Manchester; Houria Siguerdidjane (CoRR, 2020)

PMU-Based Decentralized Mixed Algebraic and Dynamic State Observation in Multi-Machine Power Systems. - M. Nicolai L. Lorenz-Meyer; Alexey A. Bobtsov; Romeo Ortega; Nikolay A. Nikolaev; Johannes Schiffer (CoRR, 2020)

A Globally Convergent State Observer for Multimachine Power Systems with Lossy Lines. - Alexey A. Bobtsov; Romeo Ortega; Nikolay A. Nikolaev; Johannes Schiffer (CoRR, 2020)

A Globally Stable Practically Implementable PI Passivity-based Controller for Switched Power Converters. - Alexey A. Bobtsov; Romeo Ortega; Nikolay A. Nikolaev; Wei He 001 (CoRR, 2020)

Conditions for Convergence of Dynamic Regressor Extension and Mixing Parameter Estimator Using LTI Filters. - Bowen Yi; Romeo Ortega (CoRR, 2020)

State Observation of LTV Systems with Delayed Measurements: A Parameter Estimation-based Approach. - Alexey A. Bobtsov; Nikolay A. Nikolaev; Romeo Ortega; Denis V. Efimov (CoRR, 2020)

A Flux and Speed Observer for Induction Motors with Unknown Rotor Resistance and Load Torque and no Persistent Excitation Requirement. - Anton A. Pyrkin; Alexey A. Bobtsov; Alexey A. Vedyakov; Romeo Ortega; Anastasiia O. Vediakova; Madina Sinetova (CoRR, 2020)

On Matched Disturbance Suppression for Port-Hamiltonian Systems. - Joel Ferguson; Dongjun Wu; Romeo Ortega (IEEE Control. Syst. Lett., 2020)

On generation of virtual outputs via signal injection: Application to observer design for electromechanical systems. - Bowen Yi; Romeo Ortega; Houria Siguerdidjane; Juan E. Machado; Weidong Zhang 004 (Eur. J. Control, 2020)

A robust adaptive flux observer for a class of electromechanical systems. - Anton A. Pyrkin; Alexey A. Vedyakov; Romeo Ortega; Alexey A. Bobtsov (Int. J. Control, 2020)

Robustification of nonlinear control systems vis-à-vis actuator dynamics: An immersion and invariance approach. - Romeo Ortega; Bowen Yi; José Guadalupe Romero (Syst. Control. Lett., 2020)

Correction to the Paper "A Robust IDA-PBC Approach for Handling Uncertainties in Underactuated Mechanical Systems". - Alejandro Donaire; José Guadalupe Romero; Romeo Ortega (IEEE Trans. Autom. Control., 2020)

Matched Disturbance Rejection for a Class of Nonlinear Systems. - Joel Ferguson; Alejandro Donaire; Romeo Ortega; Richard H. Middleton (IEEE Trans. Autom. Control., 2020)

A Tool for Analysis of Existence of Equilibria and Voltage Stability in Power Systems With Constant Power Loads. - Alexey S. Matveev; Juan E. Machado; Romeo Ortega; Johannes Schiffer; Anton A. Pyrkin (IEEE Trans. Autom. Control., 2020)

Design and Implementation of Adaptive Energy Shaping Control for DC-DC Converters With Constant Power Loads. - Wei He 019; Romeo Ortega (IEEE Trans. Ind. Informatics, 2020)

Full State Observer with Finite Time Convergence for Permanent Magnets Synchronous Motors. - Alexey A. Vedyakov; Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega; Alexey Ovcharov (MED, 2021)

State Observer with Relaxed Excitation Conditions with Application to MagLev System. - Vladimir Vorobev; Alexey A. Vedyakov; Vladimir Bespalov; Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega (MED, 2021)

State observation of LTV systems with delayed measurements: A parameter estimation-based approach with fixed convergence time. - Alexey A. Bobtsov; Nikolay A. Nikolaev; Romeo Ortega; Denis V. Efimov (Autom., 2021)

A behavioural dynamic model for constant power loads in single-phase AC systems. - Robert Griñó; Romeo Ortega; Emilia Fridman; Jin Zhang 015; Frédéric Mazenc (Autom., 2021)

Generalized parameter estimation-based observers: Application to power systems and chemical-biological reactors. - Romeo Ortega; Alexey A. Bobtsov; Nikolay A. Nikolaev; Johannes Schiffer; Denis Dochain (Autom., 2021)

Parameter estimation of nonlinearly parameterized regressions without overparameterization: Application to adaptive control. - Romeo Ortega; Vladislav Gromov; Emmanuel Nuño; Anton A. Pyrkin; José Guadalupe Romero (Autom., 2021)

A globally exponentially stable position observer for interior permanent magnet synchronous motors. - Romeo Ortega; Bowen Yi; Slobodan N. Vukosavic; Kwanghee Nam; Jongwon Choi (Autom., 2021)

PID passivity-based control of power converters: Large-signal stability, robustness and performance. - Daniele Zonetti; Gilbert Bergna-Diaz; Romeo Ortega; Nima Monshizadeh (CoRR, 2021)

Generation of new exciting regressors for consistent on-line estimation for a scalar parameter. - Alexey A. Bobtsov; Bowen Yi; Romeo Ortega; Alessandro Astolfi (CoRR, 2021)

Persistent Excitation is Unnecessary for On-line Exponential Parameter Estimation: A New Algorithm that Overcomes this Obstacle. - Marina Korotina; José Guadalupe Romero; Stanislav Aranovskiy; Alexey A. Bobtsov; Romeo Ortega (CoRR, 2021)

Identifiability Implies Robust, Globally Exponentially Convergent On-line Parameter Estimation: Application to Model Reference Adaptive Control. - Lei Wang 059; Romeo Ortega; Alexey A. Bobtsov; José Guadalupe Romero; Bowen Yi (CoRR, 2021)

Observability is Sufficient for the Design of Globally Exponentially Convergent State Observers for State-affine Nonlinear Systems. - Lei Wang 059; Romeo Ortega; Alexei A. Bobtsov (CoRR, 2021)

Consensus in networks of uncertain euler-lagrange agents using adaptive gravity compensation. - Seyed Mostafa Almodarresi; Marzieh Kamali; Emmanuel Nuño; Romeo Ortega; Farid Sheikholeslam (Eur. J. Control, 2021)

A PI+passivity-based control of a wind energy conversion system enabled with a solid-state transformer. - Rafael Cisneros 003; Rui Gao; Romeo Ortega; Iqbal Husain (Int. J. Control, 2021)

New Results on Stabilization of Port-Hamiltonian Systems via PID Passivity-Based Control. - Pablo Borja 001; Romeo Ortega; Jacquelien M. A. Scherpen (IEEE Trans. Autom. Control., 2021)

New Results on Parameter Estimation via Dynamic Regressor Extension and Mixing: Continuous and Discrete-Time Cases. - Romeo Ortega; Stanislav Aranovskiy; Anton A. Pyrkin; Alessandro Astolfi; Alexey A. Bobtsov (IEEE Trans. Autom. Control., 2021)

Distributed Observers for LTI Systems With Finite Convergence Time: A Parameter-Estimation-Based Approach. - Romeo Ortega; Emmanuel Nuño; Alexey A. Bobtsov (IEEE Trans. Autom. Control., 2021)

An Adaptive Observer-Based Controller Design for Active Damping of a DC Network With a Constant Power Load. - Juan E. Machado; Romeo Ortega; Alessandro Astolfi; José Arocas-Pérez; Anton A. Pyrkin; Alexey A. Bobtsov; Robert Griñó (IEEE Trans. Control. Syst. Technol., 2021)

Voltage Regulation in Buck-Boost Converters Feeding an Unknown Constant Power Load: An Adaptive Passivity-Based Control. - Carlos Abraham Soriano-Rangel; Wei He 019; Fernando Mancilla-David; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2021)

An Almost Globally Stable Adaptive Phase-Locked Loop for Synchronization of a Grid-Connected Voltage Source Converter. - Daniele Zonetti; Alexey A. Bobtsov; Romeo Ortega; Nikolay A. Nikolaev; Oriol Gomis-Bellmunt (CoRR, 2022)

Indirect Adaptive Control of Nonlinearly Parameterized Nonlinear Dissipative Systems. - Romeo Ortega; Rafael Cisneros 003; Lei Wang 059; Arjan van der Schaft (CoRR, 2022)

An Observer-Based Composite Identifier for Online Estimation of the Thevenin Equivalent Parameters of a Power System. - Daniele Zonetti; Romeo Ortega; Rafael Cisneros 003; Alexey A. Bobtsov; Fernando Mancilla-David; Oriol Gomis-Bellmunt (CoRR, 2022)

On-line Identification of Photovoltaic Arrays' Dynamic Model Parameters. - Alexey A. Bobtsov; Fernando Mancilla-David; Stanislav Aranovskiy; Romeo Ortega (CoRR, 2022)

A high performance globally exponentially stable sensorless observer for the IPMSM: Theoretical and experimental results. - Bowen Yi; Romeo Ortega; Jongwon Choi; Kwanghee Nam (CoRR, 2022)

Nonlinear Stability Analysis of the Classical Nested PI Control of Voltage Sourced Inverters. - Nima Monshizadeh; Fernando Mancilla-David; Romeo Ortega; Rafael Cisneros 003 (IEEE Control. Syst. Lett., 2022)

Parameter Identification With Finite-Convergence Time Alertness Preservation. - Romeo Ortega; Alexey A. Bobtsov; Nikolay A. Nikolaev (IEEE Control. Syst. Lett., 2022)

Adaptive state estimation of state-affine systems with unknown time-varying parameters. - Alexey A. Bobtsov; Romeo Ortega; Bowen Yi; Nikolay A. Nikolaev (Int. J. Control, 2022)

On-line estimation of the parameters of the windmill power coefficient. - Alexey A. Bobtsov; Romeo Ortega; Stanislav Aranovskiy; Rafael Cisneros 003 (Syst. Control. Lett., 2022)

A new on-line exponential parameter estimator without persistent excitation. - Marina Korotina; José Guadalupe Romero; Stanislav Aranovskiy; Alexey A. Bobtsov; Romeo Ortega (Syst. Control. Lett., 2022)

A new least squares parameter estimator for nonlinear regression equations with relaxed excitation conditions and forgetting factor. - Romeo Ortega; José Guadalupe Romero; Stanislav Aranovskiy (Syst. Control. Lett., 2022)

State Observation of Power Systems Equipped With Phasor Measurement Units: The Case of Fourth-Order Flux-Decay Model. - Alexey A. Bobtsov; Romeo Ortega; Nikolay A. Nikolaev; M. Nicolai L. Lorenz-Meyer; Johannes Schiffer (IEEE Trans. Autom. Control., 2022)

Generation of New Exciting Regressors for Consistent Online Estimation of Unknown Constant Parameters. - Alexey A. Bobtsov; Bowen Yi; Romeo Ortega; Alessandro Astolfi (IEEE Trans. Autom. Control., 2022)

Diffusion-Based Distributed Parameter Estimation Through Directed Graphs With Switching Topology: Application of Dynamic Regressor Extension and Mixing. - Alexey S. Matveev; Seyed Mostafa Almodarresi; Romeo Ortega; Anton A. Pyrkin; Siyu Xie (IEEE Trans. Autom. Control., 2022)

Parameter Estimation of Some Special Classes of Dynamical Nonlinear Systems with Non-Separable Nonlinear Parameterizations. - Romeo Ortega; Alexey A. Bobtsov; Ramon Costa-Castelló; Nikolay A. Nikolaev; Anton A. Pyrkin (CDC, 2023)

An adaptive observer for uncertain linear time-varying systems with unknown additive perturbations. - Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega; Alberto Isidori (Autom., 2023)

A Globally Convergent Estimator of the Parameters of the Classical Model of a Continuous Stirred Tank Reactor. - Anton A. Pyrkin; Alexey A. Bobtsov; Romeo Ortega; José Guadalupe Romero; Denis Dochain (CoRR, 2023)

Output Voltage Regulation of a Fuel Cell/Boost Converter System: A PI-PBC Approach. - Rafael Cisneros 003; Romeo Ortega; Carlo A. Beltrán; Diego Langarica-Córdoba; Luis Humberto Diaz-Saldierna (CoRR, 2023)

Synthesis of an adaptive observer of state variables for a linear stationary object in the presence of measurement noise. - Alexey A. Bobtsov; Vladimir Virobyev; Nikolay A. Nikolaev; Anton A. Pyrkin; Romeo Ortega (CoRR, 2023)

Parameter estimation and adaptive control of Euler-Lagrange systems using the power balance equation parameterisation. - José Guadalupe Romero; Romeo Ortega; Alexey A. Bobtsov (Int. J. Control, 2023)

Conditions for Convergence of Dynamic Regressor Extension and Mixing Parameter Estimators Using LTI Filters. - Bowen Yi; Romeo Ortega (IEEE Trans. Autom. Control., 2023)

Observability is sufficient for the design of globally exponentially stable state observers for state-affine nonlinear systems. - Lei Wang 059; Romeo Ortega; Alexey A. Bobtsov (Autom., 2023)

Estimation of non-separable regressions containing parameter dependent exponential functions. - Rosane Ushirobira; Denis V. Efimov; José Guadalupe Romero; Romeo Ortega (CDC, 2024)

Parameter estimation of two classes of nonlinear systems with non-separable nonlinear parameterizations. - Romeo Ortega; Alexey A. Bobtsov; Nikolay A. Nikolaev; Ramon Costa-Castelló (Autom., 2024)

Exploiting Monotonicity to Design an Adaptive PI Passivity-Based Controller for a Fuel-Cell System. - Carlo A. Beltrán; Rafael Cisneros 003; Diego Langarica-Córdoba; Romeo Ortega; Luis Humberto Diaz-Saldierna (CoRR, 2024)

Adaptive State Observers of Linear Time-varying Descriptor Systems: A Parameter Estimation-Based Approach. - Romeo Ortega; Alexey A. Bobtsov; Fernando Castaños; Nikolay A. Nikolaev (CoRR, 2024)

State Observer for the Fourth-order Model of a Salient Pole Synchronous Generator with Stator Losses: Known and Partially Unknown Input Cases. - Alexey A. Bobtsov; Romeo Ortega; M. Nicolai L. Lorenz-Meyer; Johannes Schiffer (CoRR, 2024)

Immersion of General Nonlinear Systems Into State-Affine Ones for the Design of Generalized Parameter Estimation-Based Observers: A Simple Algebraic Procedure. - Romeo Ortega; Alexey A. Bobtsov; José Guadalupe Romero; Leyan Fang (CoRR, 2024)

Identifiability implies robust, globally exponentially convergent on-line parameter estimation. - Lei Wang 059; Romeo Ortega; Alexey A. Bobtsov; José Guadalupe Romero; Bowen Yi (Int. J. Control, 2024)

Comparative Analysis of Parameter Convergence for Several Least-Squares Estimation Schemes. - Yongping Pan 001; Tian Shi; Romeo Ortega (IEEE Trans. Autom. Control., 2024)

Online Parameter Estimation of the Polarization Curve of a Fuel Cell With Guaranteed Convergence Properties: Theoretical and Experimental Results. - Carlo A. Beltrán; Alexey A. Bobtsov; Romeo Ortega; Diego Langarica-Córdoba; Rafael Cisneros 003; Luis Humberto Diaz-Saldierna (IEEE Trans. Ind. Electron., 2024)

Nonlinear voltage regulation of an auxiliary energy storage of a multiport interconnection. - Felipe Morales; Rafael Cisneros 003; Romeo Ortega; Antonio Sánchez-Squella (Autom., 2025)

Robust adaptive consensus of perturbed Euler-Lagrange agents with unknown time varying disturbances. - José Guadalupe Romero; Romeo Ortega; Emmanuel Nuño; Alexey A. Bobtsov (Autom., 2025)

A high performance globally exponentially convergent sensorless observer for the IPMSM: Theoretical and experimental results. - Bowen Yi; Romeo Ortega; Jongwon Choi; Kwanghee Nam (Autom., 2025)

Adaptive state observers for a class of nonlinear systems: The non-triangular and non-state-affine case. - Romeo Ortega; Bowen Yi; Alexey A. Bobtsov; Anton A. Pyrkin; Madina Sinetova (Syst. Control. Lett., 2025)

Identification of the Photovoltaic Module Dynamic Model via Dynamic Regressor Extension and Mixing. - Alexey A. Bobtsov; Fernando Mancilla-David; Stanislav Aranovskiy; Romeo Ortega (IEEE Trans. Control. Syst. Technol., 2025)

Adaptive field-oriented control of current-fed induction motors: a discrete-time implementation. - Anton A. Pyrkin; Q. C. Nguyen; Madina Sinetova; Romeo Ortega; Alexey A. Bobtsov (Int. J. Control, 2025)

Voltage Control of the Boost Converter: PI vs. Nonlinear Passivity-based Control. - Leyan Fang; Romeo Ortega; Robert Griñó (CoRR, 2025)

Interturn Fault Detection in IPMSMs: Two Adaptive Observer-based Solutions. - Romeo Ortega; Alexey A. Bobtsov; Leyan Fang; Oscar Texis-Loaiza; Johannes Schiffer (CoRR, 2025)

Standard LSParameter Estimators Ensure Finite Convergence Time for Linear Regression Equations Under an Interval Excitation Assumption. - Romeo Ortega; José Guadalupe Romero; Stanislav Aranovskiy; Gang Tao (CoRR, 2025)

Online Identification of PEMFC Polarization Curves With Nonlinear Concentration Loss. - Haisong Xu; Lei Wang 059; Zhiyang Liu; Hongye Su; Romeo Ortega (IEEE Trans. Ind. Electron., 2025)

Adaptive Compensation of Nonlinear Friction in Mechanical Systems Without Velocity Measurement. - José Guadalupe Romero; Romeo Ortega; Leyan Fang; Alexey A. Bobtsov (CoRR, 2025)