Bernardo Restrepo-Torres

Professor

restrepb@erau.edu

Department of Aerospace Engineering

Daytona Beach College of Engineering

Areas of Expertise

Flight Dynamics, Aerodynamics, Compressible Flow, Aerospace Propulsion, Aircraft Design, Gas Turbine Systems, Fuel Cell–Gas Turbine Hybrid Systems, System Dynamics and Control, System Identification and Model Predictive Control,

Bernardo Restrepo-Torres

Overview

Ph.D. - Doctor of Philosophy in Mechanical Engineering, West Virginia University

M.S. - Master of Science in Mechanical Engineering, University of Puerto Rico-Mayaguez

  1. Professor
    Embry-Riddle Aeronautical University, Department of Aerospace Engineering
    January 2024–Present.
  2. Professor and Undergraduate Program Coordinator
    Polytechnic University of Puerto Rico–Orlando, Department of Mechanical Engineering
    August 2019–Present
    • Coordinated the undergraduate mechanical engineering program.
    • Served on the Outcomes Assessment Committee for ABET accreditation.
    • Taught undergraduate and graduate mechanical and aerospace engineering courses.
    • Supervised graduate design projects.
  3. Adjunct Professor
    Everglades University Online
    September 2022–Present
    • Taught undergraduate courses in mechanical systems, HVAC, and alternative and renewable energy systems.
  4. Adjunct Professor
    Florida Polytechnic University, Department of Mechanical Engineering
    January 2020–May 2020
    • Taught feedback control and vibrations and mechatronics.
  5. Faculty Researcher, CIESESE Faculty Summer Program
    National Energy Technology Laboratory, Morgantown, West Virginia
    June 2019–August 2019
    • Designed a model-reference adaptive control methodology for regulating cathode airflow in a fuel-cell/gas-turbine hybrid cyber-physical system.
    • Experimentally tested the methodology and published the results at the ASME 2020 Power Conference.
  6. Associate Professor
    Universidad Ana G. Méndez, Gurabo, Puerto Rico
    August 2015–July 2019
    • Taught undergraduate and graduate aerospace engineering courses.
    • Advised graduate projects.
  7. Faculty Researcher, CIESESE Faculty Summer Program
    National Energy Technology Laboratory, Morgantown, West Virginia
    Summer 2017
    • Developed PID control parameters for cathode airflow in a fuel-cell/gas-turbine hybrid cyber-physical system using pole-placement methods.
    • Tested multiple control-output strategies on experimental equipment.
    • Published the results at the 2018 ASME Power and Energy Conference.
  8. Associate Professor and Head of the Mechanical Engineering Department
    Polytechnic University of Puerto Rico, San Juan Campus
    August 2014–July 2015
    • Led the department’s academic and administrative activities, supporting approximately 900 undergraduate and graduate students.
    • Directed the department’s graduate school.
    • Taught undergraduate and graduate courses and supervised design projects.
    • Contributed to the development of a new biomedical engineering program.
  9. Associate Professor and Associate Head of the Mechanical Engineering Department
    Polytechnic University of Puerto Rico, San Juan Campus
    November 2012–July 2014
    • Supported the department’s academic and administrative operations.
    • Coordinated the graduate program.
    • Served on the Outcomes Assessment Committee for ABET accreditation.
    • Taught undergraduate and graduate courses and supervised graduate design projects.
  10. Associate Professor and Graduate Program Coordinator
    Polytechnic University of Puerto Rico, San Juan Campus
    June 2011–November 2012
    • Coordinated the graduate program.
    • Served on the Outcomes Assessment Committee for ABET accreditation.
    • Taught undergraduate and graduate courses and supervised graduate design projects.
  11. Doctoral Researcher
    National Energy Technology Laboratory, Morgantown, West Virginia
    January 2008–May 2011
    • Conducted experimental research on a cyber-physical system coupling a recuperated gas-turbine cycle with a solid oxide fuel-cell model.
    • Characterized the system through factorial experimental designs.
    • Developed a model predictive control strategy using models obtained through system-identification techniques.
  12. Research Intern, UTSR Program
    Ingersoll Rand Energy Systems, Portsmouth, New Hampshire
    May 2008–August 2008
    • Designed and implemented a computer program to control fuel valves during micro-gas-turbine testing.
    • Integrated LabVIEW with PLC equipment to monitor and test 50- and 250-kW gas turbines using fuels with different chemical compositions.
  13. Assistant Professor
    Polytechnic University of Puerto Rico, San Juan Campus
    June 2001–May 2007
    • Taught undergraduate mechanical engineering courses.
    • Served on the Outcomes Assessment Committee for ABET accreditation.
  14. Laboratory Instructor
    University of Puerto Rico at Mayagüez, Department of Mechanical Engineering
    January 2001–May 2001
    • Taught undergraduate mechanical engineering laboratory courses.
  15. Project Engineer
    Dinalco S.A. (Naval Computational Design)
    August 1996–August 1998
    • Assisted in designing utility mechanical systems for marine vessels.
    • Sized and selected mechanical equipment and designed fluid-distribution systems.
    • Inspected marine structures and equipment and conducted ultrasonic corrosion testing. 

American Institute of Aeronautics and Astronautics (AIAA), member since 2015

American Society of Mechanical Engineers (ASME), member since 1998

National Association of Rocketry (NAR), member since 2015

Teaching

AERO442 - Experimental Dynamics & Control 

AERO442L - Experimental Dynamics & Control Lab

AERO413 - Airplane Stability & Control

AERO432 - Flight Dynamics & Control

AERO308 - Compressible Aerodynamics

AERO319 - Aerodynamics

Tuesday and Thursday: 9:45 am - 11:00 am & 12:45 pm - 2:00 pm; Wednesday 10:00 am - 12:00 pm.

Research

  • Bonilla, H., Restrepo, B., Pezzini, P., Lawrence, S., Bryden, K., and Tucker, D. “Online Adaptive Control Tuning in a Gas Turbine Hybrid System.” ASME 2020 Power Conference, Virtual Conference, August 4–5, 2020. Paper POWER2020-16534.
  • Restrepo, B., Bonilla, H., Pezzini, P., Bryden, K., and Tucker, D. “PID Control Design and Demonstration Using a Cyber-Physical Fuel Cell/Gas Turbine Hybrid System.” ASME 2018 Power and Energy Conference, Lake Buena Vista, Florida, June 26–30, 2018. Paper 2018-7346.
  • Restrepo, B., Tucker, D., and Banta, L. E. “Recursive System Identification of Model Predictive Control Based on Experimental Data to Control the Cathode Side Parameters of the Hybrid Fuel Cell Gas Turbine.” Journal of Electrochemical Energy Conversion and Storage, 2017. Manuscript JEECS-16-1145.
  • Romero, E., Montoya, J., Castillo, E., Restrepo, B., Espinoza, A., and Mariscal, D. “Pendulum Generators to Power Wearable Devices from Human Motion.” 15th LACCEI International Multi-Conference for Engineering, Education, and Technology, Boca Raton, Florida, July 19–21, 2017.
  • Restrepo, B., and Tucker, D. “Transient Analysis of Simultaneous Multivariable Signals on Fuel Cell/Gas Turbine Hybrid to Define Control Strategies for Cathode Parameter and Compressor Stall.” ASME 2017 Power and Energy Conference, Charlotte, North Carolina, June 26–30, 2017. Paper 2017-3555.
  • Restrepo, B., Banta, L. E., and Tucker, D. “Simulation of Model Predictive Control for a Fuel Cell/Gas Turbine Power System Based on Experimental Data and the Recursive Identification Method.” ASME 2016 Power and Energy Conference, 2016. Paper 59378.
  • Nevarez, F., and Restrepo, B. “Quadcopter Testbed for Control Development.” XIV Researcher Annual Meeting, Universidad del Turabo, March 4, 2016.
  • Holguino, J., Rodriguez, H., and Restrepo, B. “Modeling of Aircraft Wing Loads Using MATLAB.” VII Simposio Internacional sobre Investigación en Ciencias Aplicadas y en las Ingenierías, February 18–20, 2015.
  • Heredia, G., Holguino, J., and Restrepo, B. “MATLAB GUI for Elementary Flows as an Educational Tool.” American Society for Engineering Education Southeast Section Conference, Gainesville, Florida, April 12–14, 2015.
  • Restrepo, B., Banta, L. E., and Tucker, D. “Characterization of a Solid Oxide Fuel Cell Gas Turbine Hybrid System Based on a Factorial Design of Experiments Using Hardware Simulation.” ASME Energy Sustainability and Fuel Cell Conference, Washington, D.C., August 7–10, 2011. Paper 2011-54146.
  • Rosen, W., Banta, L. E., Gorrel, M., Restrepo, B., and Tucker, D. “Response Surfaces for Key Controlled Variables in a Hybrid Solid Oxide Fuel Cell/Gas Turbine System.” ASME Energy Sustainability and Fuel Cell Conference, Washington, D.C., August 7–10, 2011. Paper 2011-54142.
  • Gorrel, M., Banta, L. E., Rosen, W., Restrepo, B., and Tucker, D. “MIMO Control Valve Trajectories for SOFC Hybrid System Startup.” ASME Energy Sustainability and Fuel Cell Conference, Washington, D.C., August 7–10, 2011. Paper 2011-54144.
  • Restrepo, B., Banta, L. E., Tucker, D., and Tsai, A. “Combination of a Nonlinear Static and a Linear Dynamic Model of the NETL HyPer System.” Proceedings of the ASME 2010 Eighth International Fuel Cell Science, Engineering and Technology Conference, Brooklyn, New York, June 14–16, 2010.
  • Banta, L. E., Restrepo, B., Tucker, D., and Tsai, A. “Cathode Temperature Management During Hybrid System Startup.” Proceedings of the ASME 2010 Eighth International Fuel Cell Science, Engineering and Technology Conference, Brooklyn, New York, June 14–16, 2010.
  • Restrepo, B., and Coutin, S. “Study of the Scattering Effect in the Glass as a Participating Medium in a Continuous Glass Furnace.” Proceedings of the 2001 ASME International Mechanical Engineering Congress and Exposition, New York, November 11–16, 2001.