Universidad de Sevilla, Departamento de Ingeniería Aeroespacial       

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• Nonlinear Flight Control Using Adaptive Critic Based Neural Networks
  • Design of a nonlinear automatic flight control system to control high angles of attacks for fighters using adaptive critic based neural networks.
    • Publications:
      • Nonlinear Flight Control Systems with Neural Networks, S. Esteban, S. N. Balakrishnan, Publicado: 2001 AIAA Guidance, Navigation and Control Conference proceedings, Montreal, Canada, DOI: 10.2514/6.2001-4257.
      • Nonlinear Flight Control Using Adaptive Critic Based Neural Networks. Thesis presented to the Faculty of the Graduate School committee of the University of Missouri-Rolla in partial fulfillment of the Requirements for the degree if Master of Sciences in Aerospace Engineering, Thesis (M.S.) -- University of Missouri--Rolla, 2002. -OCLC: 52730485 (THESIS T 8170).
  • Design a full 6-DOF adaptive critic neural network tracker-autopilot system to be validated on the NASA Ames Research Center full-mission Advanced Concept Flight Simulator.
• Singular Perturbations control strategies for VTOL
  • Design of nonlinear control strategies for controlling VTOL vehicles
    • Publications
      • “Three-Time Scale Singular Perturbation Control for a Radio-Control Helicopter on a Platform”, publicado y presentado conjuntamente con Javier Aracil y Francisco Gordillo en la 2005 AIAA Guidance, Navigation and Control Conference, San Francisco, DOI: 10.2514/6.2005-6236, eISBN: 978-1-62410-055-0
      • “Stability Analysis of a Three-Time Scale Singular Perturbation Control for a Radio-Control Helicopter on a Platform”, publicado y presentado conjuntamente con Francisco Gordillo y Javier Aracil en ICINCO 2005 - Second International Conference on Informatics in Control, Automation and Robotics, Barcelona
      • “Lyapunov Based Stability Analisis of a Three-Time Scale Model for a Helicopter on a Platform”, publicado y presentado conjuntamente con Francisco Gordillo y Javier Aracil en el 17th IFAC Symposium on Automatic Control in Aerospace (ACA' 2007), Toulouse, Francia, DOI: 10.3182/20070625-5-FR-2916.00080
      • “Lyapunov Based Asymptotic Stability Analysis of a Three-Time Scale Radio/ Control Helicopter Model.”, publicado y presentado conjuntamente con Javier Aracil y Francisco Gordillo en el 2008 AIAA Guidance, Navigation and Control Conference, Atmospheric Flight Mechanics Conference Honolulu, Hawaii, DOI: 10.2514/6.2008-6566; ISBN: 978-156347945-8. eISBN: 978-1-60086-998-3
      • “Three-time scale singular perturbation control and stability analysis for an autonomous helicopter on a platform”, Sergio Esteban; Francisco Gordillo; Javier Aracil, Int. J. Robust. Nonlinear Control (2012), Published online in Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/rnc.2823, ISSN: 1049-8923, Accepted 11 March 2012; IF: 1.900.
      • “Nonlinear Control Techniques or Regulating the Altitude of a Radio / Control Helicopter.”, publicado y presentado conjuntamente con S.N. Balakrishnan, Francisco Gordillo y Javier Aracil en el 2008 AIAA Guidance, Navigation and Control Conference, Atmospheric Flight Mechanics Conference Honolulu, Hawaii. DOI: 10.2514/6.2008-6564; ISBN: 978-156347945-8, eISBN: 978-1-60086-998-3
      • “Singular perturbation control strategy for a three-time-scale autonomous helicopter on a platform”, S. Esteban, F. Gordillo and J. Aracil, Proceedings of the Embedded Guidance, Navigation and Control in Aerospace (EGNCA 2012), 13-15 February 2012, Bangalore, India, DOI: 10.3182/20120213-3-IN-4034.00024, p 121-126, ISBN: 978-3-902823-29-8, ISSN: 1474-6670
      •  “Singular perturbation stability analysis for a three-time-scale autonomous helicopter”, S. Esteban F. Gordillo, J. Aracil and F. Vazquez, Proceedings of the 2nd International Conference on Advances in Control and Optimization of Dynamic Systems (ACODS 2012), 16-18 February 2012, Bangalore, India
• Singular Perturbations Control Strategies for Fixed Wing UAVs
  • Four-time-Scale Singular perturbation control strategy for regulating the longitudinal and lateral-directional flight dynamics of an UAV. The control strategies are decouple in longitudinal, and lateral-directional. The longitudinal control strategy follows references in the aerodynamic velocity and the flight path angle, while the lateral-directional control strategy follow a reference in load factor which in return provides references in bank angle, side-slip velocity and yaw rate. Both control strategies permit to select the desired dynamics for all the singularly
    perturbed subsystems, showing robustness under unmodelled dynamics.
    • Publications:
      • “Singular Perturbation Control of the Longitudinal Flight Dynamics of an UAV”, S. Esteban, D. Rivas, Proceedings of the UKACC (United Kingdom Automatic Control Council) International Conference on Control (CONTROL 2012), 3-5 September 2012, Cardiff 2012, pp 310 – 315, ISBN: 978-146731560-9; E-ISBN: 978-1-4673-1558-6, DOI: 10.1109/CONTROL.2012.6334648
      • Singular Perturbation Control of the Lateral-Directional Flight Dynamics of an UAV, S. Esteban, F. Gavilán, J.A. Acosta, Proceedings of the IFAC Workshop on Advanced Control and Navigation of Autonomous Aerospace Vehicles (ACNAAV'15), Seville, June 10-12, 2015

© 2015 Sergio Esteban Roncero: contact sesteban@us.es