Selected Research Projects

Contributions

1. Cost Evaluation of Blade Pitch Actuation System (Estimation and Inclusion of Blade Pitch Actuation Cost within the Wind Turbine Design Process)

2. Advanced Control of Extreme-Scale Wind Turbines (Computation of Optimal Operating Points for Highly-Flexible Wind Turbines, Active Load Reduction)

Publications

1. Modeling Blade-Pitch Actuation Use in Wind Turbines. American Control Conference, San Diego, USA, 2023

2. Optimal Operating Points for Wind Turbine Control and Co-Design. Wiley Wind Energy, 2023

3. Comparison of 25 MW downwind and upwind turbine designs with individual pitch control. TORQUE, Florence, Italy, 2024 (accepted)

4. Impact of Blade Pitch Actuation System on Wind Turbine Cost and Energy Production. TORQUE, Florence, Italy, 2024 (accepted)

5. Investigation of H∞-Tuned Individual Pitch Control for Wind Turbines. NAWEA WindTech, Boulder, CO, 2023

Contributions

1. Support in Aero-Hydro-Servoelastic Modeling (Linear Model Analysis)

2. Support in Development of Control Strategies of Floating Offshore Wind Turbines (Computation of Optimal Operating Points, Active Platform Control, Robust Multi-Loop Control)

Publications

1. Robust Multi-Loop Control of a Floating Wind Turbine. Wiley Wind Energy, 2023

2. Optimal Operating Points for Wind Turbine Control and Co-Design. Wiley Wind Energy, 2023

Contributions

1. Support in Aeroservoelastic Modeling (Linear and Nonlinear Models for Controller Synthesis and Analysis + Pilot Training)

2. Development of Active Flutter Suppression System (LPV Controller based on H2-optimal Blending of Inputs and Outputs for Isolating Flutter Modes)

Publications

1. Active Flutter Mitigation Testing on the FLEXOP Demonstrator Aircraft. AIAA Scitech Forum, Orlando, FL, USA, 2020.

2. Structured control design for a highly flexible flutter demonstrator. Aerospace, 6(3), 2019.

3. Flight control design for a highly flexible flutter demonstrator. AIAA Scitech Forum, San Diego, CA, USA, 2019.

4. Aeroservoelastic modeling and analysis of a highly flexible flutter demonstrator. AIAA Atmospheric Flight Mechanics Conference, Atlanta, GA, 2018.

Contributions

1. Team Lead: Coordination of Wind Tunnel Test Campaign at DLR in Göttingen demonstrating Active Gust Load Alleviation on Flexible Wing

2. Aeroservoelastic Modeling of Flexible Wing

3. Gust Load Alleviation Controller Design for Flexible Wing (Gain-scheduled Controller based on H2-optimal Blending of Inputs and Outputs + Control Allocation for considering Actuator Faults/Saturation)

Publications

1. Performance Analysis of Control Allocation using Data-Driven Integral Quadratic Constraints. Wiley Advanced Control for Applications, 2021 (submitted)

2. Advanced Gust Load Alleviation using Dynamic Control Allocation. AIAA SciTech Forum, San Diego, 2022

3. Identification and assessment of a nonlinear dynamic actuator model for controlling an experimental flexible wing. CEAS Aeronautical Journal, 2021 

4. Aircraft Loads - A wide Range of Disciplinary And Process-Related Issues in Simulation and Experiment. Deutscher Luft- und Raumfahrt Kongress, Aachen, 2020

5. Design and optimization of an aeroservoelastic wind tunnel model. Fluids, 5(1), 2020.

6. Identification and assessment of a nonlinear dynamic actuator model for gust load alleviation in a wind tunnel experiment. Deutscher Luft- und Raumfahrtkongress, Darmstadt, Germany, 2019.

7. Fault tolerant control of an experimental flexible wing. Aerospace, 6(7), 2019.

8. Design and wind tunnel test of an actively controlled flexible wing. International Forum on Aeroelasticity and Structural Dynamics, Savannah, GA,USA, 2019

9. Design and optimization of an aeroservoelastic wind tunnel model. International Forum on Aeroelasticity and Structural Dynamics, Savannah, GA, USA, 2019.

10. Aeroelastic modeling and control of an experimental flexible wing. AIAA Scitech Forum, San Diego, CA, USA, 2019.

Contributions

1. Efficient Aeroservoelastic Model Generation Routines

2. Worst-case Gust Loads Search (using Anti-Optimization) 

3. Multidisciplinary Design Optimization (Concurrent Optimization of Aileron Layout and Controller Parameters for Gust Load Alleviation)

Publications

1. Integrated optimization of control surface layout for gust load alleviation. CEAS Aeronautical Journal, 2019.

2. Integrated optimization of ailerons for active gust load alleviation. International Forum on Aeroelasticity and Structural Dynamics, Saint Petersburg, Russia, 2015.

Contributions

1. Parameterized Aeroservoelastic Modeling

2. Gust Load Alleviation Controller Design (Hinf and LPV Control)

Publications

1. LPV-Reglerentwurf zur Böenlastabminderung am flexiblen Fleugzeug. Deutscher Luft- und Raumfahrt Kongress, Braunschweig, Germany, 2016.