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Romeo Ortega

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Papers (28)

  1. An Algebraic State Observer for a Class of Physical Systems eess.SY · 2026 · author #3
  2. Online Estimation of Power System Inertia Using Dynamic Regressor Extension and Mixing cs.SY · 2018 · author #3
  3. Sensorless Control of the Levitated Ball cs.SY · 2018 · author #3
  4. On the Existence and Long-Term Stability of Voltage Equilibria in Power Systems with Constant Power Loads cs.SY · 2018 · author #3
  5. Active Damping of a DC Network with a Constant Power Load: An Adaptive Passivity-based Control Approach cs.SY · 2018 · author #4
  6. Permanent Magnet Synchronous Motors are Globally Asymptotically Stabilizable with PI Current Control cs.SY · 2018 · author #1
  7. An Adaptive Observer for Sensorless Control of the Levitated Ball Using Signal Injection cs.SY · 2018 · author #2
  8. Power-Controlled Hamiltonian Systems: Application to Electrical Systems with Constant Power Loads cs.SY · 2018 · author #3
  9. Robust integral action of port-Hamiltonian systems cs.SY · 2018 · author #3
  10. On State Observers for Nonlinear Systems: A New Design and a Unifying Framework cs.SY · 2017 · author #2
  11. An Adaptive Passivity-Based Controller of a Buck-Boost Converter With a Constant Power Load math.OC · 2017 · author #2
  12. Conditions on Shifted Passivity of Port-Hamiltonian Systems cs.SY · 2017 · author #3
  13. A Robust Adaptive Flux Observer for a Class of Electromechanical Systems cs.SY · 2017 · author #3
  14. State Observers for Sensorless Control of Magnetic Levitation Systems cs.SY · 2017 · author #3
  15. New results on disturbance rejection for energy-shaping controlled port-Hamiltonian systems cs.SY · 2017 · author #3
  16. Matched disturbance rejection for energy-shaping controlled underactuated mechanical systems cs.SY · 2017 · author #3
  17. Global Stabilisation of Underactuated Mechanical Systems via PID Passivity-Based Control math.DS · 2016 · author #3
  18. A tool for stability and power sharing analysis of a generalized class of droop controllers for high-voltage direct-current transmission systems cs.SY · 2016 · author #2
  19. Identification of Photovoltaic Arrays' Maximum Power Extraction Point via Dynamic Regressor Extension and Mixing cs.SY · 2016 · author #3
  20. Immersion and Invariance Stabilization of Nonlinear Systems: A Horizontal Contraction Approach cs.SY · 2015 · author #3
  21. Simultaneous Interconnection and Damping Assignment Passivity-based Control of Mechanical Systems Using Generalized Forces math.OC · 2015 · author #2
  22. Extended Hybrid Model Reference Adaptive Control of Piecewise Affine Systems math.OC · 2015 · author #3
  23. A survey on modeling of microgrids - from fundamental physics to phasors and voltage sources cs.SY · 2015 · author #3
  24. Robust PI Passivity-based Control of Nonlinear Systems: Application to Port-Hamiltonian Systems and Temperature Regulation cs.SY · 2015 · author #2
  25. Two Globally Convergent Adaptive Speed Observers for Mechanical Systems math.DS · 2015 · author #2
  26. Adaptation is Unnecessary in L1-"Adaptive" Control math.OC · 2014 · author #1
  27. Modeling and Control of High-Voltage Direct-Current Transmission Systems: From Theory to Practice and Back cs.SY · 2014 · author #2
  28. When is a Parameterized Controller Suitable for Adaptive Control? math.OC · 2014 · author #1

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