Publikationen

Bücher, Dissertationen, Paper..

2018

Frank Lemmer
Low-Order Modeling, Controller Design and Optimization of Floating Offshore Wind Turbines

Steffen Raach
Lidar-Assisted Wake Redirection Control

2017

Daniel Kaufer
Validation and Applicability of an Integrated Load Simulation Method for Offshore Wind Turbines with Jacket Structures

2016

David Schlipf
Lidar-Assisted Control Concepts for Wind Turbines
DOI

Matthias Arnold
Simulation and Evaluation of the Hydroelastic Responses of a Tidal Current Turbine

Denis Matha
Impact of Aerodynamics and Mooring System on Dynamic Response of Floating Wind Turbines

2013

Mark Capellaro
Aeroelastic Design and Modelling of Bend Twist Coupled Wind Turbine Blades

Tim Andreas Fischer
Mitigation of Aerodynamic and Hydrodynamic Induced Loads of Offshore Wind Turbines

2011

Nicolai Cosack
Fatigue Load Monitoring with Standard Wind Turbine Signals

Zeitschriften, Bücher

  1. 2018

    1. Borisade, Friedemann, Christian Koch, Frank Lemmer, Po Wen Cheng, Filippo Campagnolo und Denis Matha. 2018. Validation of INNWIND.EU Scaled Model Tests of a Semisubmersible Floating Wind Turbine. International Journal of Offshore and Polar Engineering 28, Nr. 1. International Journal of Offshore and Polar Engineering: 54--64. doi:10.17736/ijope.2018.fv04, .
    2. Hofsäß, Martin, Florian Haizmann und Po Wen Cheng. 2018. Comparison of different measurement methods for a nacelle-based lidar power curve. Journal of Physics: Conference Series 1037. Journal of Physics: Conference Series: 052034. doi:10.1088/1742-6596/1037/5/052034, .
    3. Popko, Wojciech, Matthias L. Huhn, Amy Robertson, Jason Jonkman, Fabian Wendt, Kolja Müller, Matthias Kretschmer, u. a. 2018. Verification of a Numerical Model of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Within OC5 Phase III. doi:10.1115/OMAE2018-77589, .
    4. Annoni, Jennifer, Paul Fleming, Andrew Scholbrock, Jason Roadman, Scott Dana, Christiane Adcock, Fernando Porte-Agel, Steffen Raach, Florian Haizmann und David Schlipf. 2018. Analysis of Control-Oriented Wake Modeling Tools Using Lidar Field Results. Wind Energy Science Discussions. Wind Energy Science Discussions: 1--17. doi:10.5194/wes-2018-6, .
    5. Bischoff, O., W. Yu, J. Gottschall und P. W. Cheng. 2018. Validating a simulation environment for floating lidar systems. Journal of Physics: Conference Series 1037. Journal of Physics: Conference Series: 052036. doi:10.1088/1742-6596/1037/5/052036, .
    6. Clifton, Andrew, Peter Clive, Julia Gottschall, David Schlipf, Eric Simley, Luke Simmons, Detlef Stein, Davide Trabucchi, Nikola Vasiljevic und Ines Würth. 2018. IEA Wind Task 32: Wind Lidar Identifying and Mitigating Barriers to the Adoption of Wind Lidar. Remote Sensing 10, Nr. 3. Remote Sensing: 406. doi:10.3390/rs10030406, .
    7. Knaus, Hermann, Martin Hofsäß, Alexander Rautenberg und Jens Bange. 2018. Application of Different Turbulence Models Simulating Wind Flow in Complex Terrain: A Case Study for the WindForS Test Site. Computation 6, Nr. 3. Computation: 43. doi:10.3390/computation6030043, .
    8. Pettas, Vasilis und Po Wen Cheng. 2018. Down-regulation and individual blade control as lifetime extension enablers. Journal of Physics: Conference Series 1102. Journal of Physics: Conference Series: 012026. doi:10.1088/1742-6596/1102/1/012026, .
    9. Pettas, Vasilis, Mohammad Salari, David Schlipf und Po Wen Cheng. 2018. Investigation on the potential of individual blade control for lifetime extension. Journal of Physics: Conference Series 1037. Journal of Physics: Conference Series: 032006. doi:10.1088/1742-6596/1037/3/032006, .
    10. Hofsäß, Martin, Andrew Clifton und Po Cheng. 2018. Reducing the Uncertainty of Lidar Measurements in Complex Terrain Using a Linear Model Approach. Remote Sensing 10, Nr. 9. Remote Sensing: 1465. doi:10.3390/rs10091465, .
    11. Kretschmer, M., F. Schwede, R. Faerron Guzmán, S. Lott und P. W. Cheng. 2018. Influence of atmospheric stability on the load spectra of wind turbines at alpha ventus. Journal of Physics: Conference Series 1037. Journal of Physics: Conference Series: 052009. doi:10.1088/1742-6596/1037/5/052009, .
    12. Clifton, Andrew, Bri-Mathias Hodge, Caroline Draxl, Jake Badger und Aron Habte. 2018. Wind and solar resource data sets. Wiley Interdisciplinary Reviews: Energy and Environment 7, Nr. 2. Wiley Interdisciplinary Reviews: Energy and Environment: e276. doi:10.1002/wene.276, .
  2. 2017

    1. Bredmose, H., Frank Lemmer, M. Borg, A. Pegalajar-Jurado, R. F. Mikkelsen, T. Stoklund Larsen, T. Fjelstrup, u. a. 2017. The Triple Spar campaign: Model tests of a 10MW floating wind turbine with waves, wind and pitch control. Energy Procedia 137. Energy Procedia: 58--76. doi:10.1016/j.egypro.2017.10.334, .
    2. Fleming, Paul, Jennifer Annoni, Andrew Scholbrock, Eliot Quon, Scott Dana, Scott Schreck, Steffen Raach, Florian Haizmann und David Schlipf. 2017. Full-Scale Field Test of Wake Steering. Journal of Physics: Conference Series 854. Journal of Physics: Conference Series: 012013. doi:10.1088/1742-6596/854/1/012013, .
    3. Ramachandran, G. K.V., L. Vita, A. Krieger und K. Mueller. 2017. Design Basis for the Feasibility Evaluation of Four Different Floater Designs. Energy Procedia 137. Energy Procedia: 186--195. doi:10.1016/j.egypro.2017.10.345, .
    4. Müller, Kolja, Martin Dazer und Po Wen Cheng. 2017. Damage Assessment of Floating Offshore Wind Turbines Using Response Surface Modeling. Energy Procedia 137. Energy Procedia: 119--133. doi:10.1016/j.egypro.2017.10.339, .
    5. ---. 2017. Lidar-based wake tracking for closed-loop wind farm control. Wind Energy Science 2, Nr. 1. Wind Energy Science: 257--267. doi:10.5194/wes-2-257-2017, .
    6. ---. 2017. Application of a Monte Carlo Procedure for Probabilistic Fatigue Design of Floating Offshore Wind Turbines. Wind Energy Science Discussions. Wind Energy Science Discussions: 1--22. doi:10.5194/wes-2017-41, .
    7. Yu, W., Frank Lemmer, H. Bredmose, M. Borg, A. Pegalajar-Jurado, R. F. Mikkelsen, T. Stoklund Larsen, u. a. 2017. The Triple Spar Campaign - Implementation and Test of a Blade Pitch Controller on a Scaled Floating Wind Turbine Model. Energy Procedia 137. Energy Procedia: 323--338. doi:10.1016/j.egypro.2017.10.357, .
  3. 2016

    1. Matha, Denis, Germán Pérez Morán, Kolja Müller und Frank Lemmer. 2016. Comparative Analysis of Industrial Design Methodologies for Fixed-Bottom and Floating Wind Turbines. In: Comparative Analysis of Industrial Design Methodologies for Fixed-Bottom and Floating Wind Turbines, V006T09A055. Comparative Analysis of Industrial Design Methodologies for Fixed-Bottom and Floating Wind Turbines. ASME. doi:10.1115/OMAE2016-54920, .
    2. Müller, Kolja und Po Wen Cheng. 2016. Validation of Uncertainty in IEC Damage Calculations Based on Measurements from Alpha Ventus. Energy Procedia 94. Energy Procedia: 133--145. doi:10.1016/j.egypro.2016.09.208, .
    3. Borisade, Friedemann, T. Choisnet und Po Wen Cheng. 2016. Design study and full scale MBS-CFD simulation of the IDEOL floating offshore wind turbine foundation. Journal of Physics: Conference Series 753. Journal of Physics: Conference Series: 092002. doi:10.1088/1742-6596/753/9/092002, .
    4. Raach, Steffen, David Schlipf und Po Wen Cheng. 2016. Lidar-based wake tracking for closed-loop wind farm control. Journal of Physics: Conference Series 753. Journal of Physics: Conference Series: 052009. doi:10.1088/1742-6596/753/5/052009, .
    5. Faerron Guzmán, Ricardo und Po Wen Cheng. 2016. Recommendations for load validation of an offshore wind turbine with the use of statistical data: Experience from alpha ventus. Journal of Physics: Conference Series 749. Journal of Physics: Conference Series: 012017. doi:10.1088/1742-6596/749/1/012017, .
    6. Lemmer, Frank, David Schlipf und Po Wen Cheng. 2016. Control design methods for floating wind turbines for optimal disturbance rejection. Journal of Physics: Conference Series 753. Journal of Physics: Conference Series: 092006. doi:10.1088/1742-6596/753/9/092006, .
    7. Lemmer, Frank, Steffen Raach, David Schlipf und Po Wen Cheng. 2016. Parametric Wave Excitation Model for Floating Wind Turbines. Energy Procedia 94. Energy Procedia: 290--305. doi:10.1016/j.egypro.2016.09.186, .
    8. Müller, Kolja, Mario Reiber und Po Wen Cheng. 2016. Comparison of Measured and Simulated Structural Loads of an Offshore Wind Turbine at Alpha Ventus. International Journal of Offshore and Polar Engineering 26, Nr. 3. International Journal of Offshore and Polar Engineering: 209--218. doi:10.17736/ijope.2016.fvr01, .
    9. Schlipf, David und Steffen Raach. 2016. Turbulent Extreme Event Simulations for Lidar-Assisted Wind Turbine Control. Journal of Physics: Conference Series 753. Journal of Physics: Conference Series: 052011. doi:10.1088/1742-6596/753/5/052011, .
  4. 2015

    1. Schlipf, David, Eric Simley, Frank Lemmer, Lucy Pao und Po Wen Cheng. 2015. Collective Pitch Feedforward Control of Floating Wind Turbines Using Lidar. Journal of Ocean and Wind Energy 2, Nr. 4. Journal of Ocean and Wind Energy. doi:10.17736/jowe.2015.arr04, .
    2. Matha, Denis, Frank Sandner, Climent Molins, Alexis Campos und Po Wen Cheng. 2015. Efficient preliminary floating offshore wind turbine design and testing methodologies and application to a concrete spar design. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 373, Nr. 2035. Philosophical transactions. Series A, Mathematical, physical, and engineering sciences. doi:10.1098/rsta.2014.0350, .
    3. Schlipf, David, Florian Haizmann, Nicolai Cosack, Tom Siebers und Po Wen Cheng. 2015. Detection of Wind Evolution and Lidar Trajectory Optimization for Lidar-Assisted Wind Turbine Control. Meteorologische Zeitschrift 24, Nr. 6. Meteorologische Zeitschrift: 565--579. doi:10.1127/metz/2015/0634, .
  5. 2014

    1. Raach, Steffen, David Schlipf, Florian Haizmann und Po Wen Cheng. 2014. Three Dimensional Dynamic Model Based Wind Field Reconstruction from Lidar Data. Journal of Physics: Conference Series 524. Journal of Physics: Conference Series: 12005. doi:10.1088/1742-6596/524/1/012005, .
    2. Schlipf, David, Paul Fleming, Florian Haizmann, Andrew Scholbrock, Martin Hofsäß, Alan Wright und Po Wen Cheng. 2014. Field Testing of Feedforward Collective Pitch Control on the CART2 Using a Nacelle-Based Lidar Scanner. Journal of Physics: Conference Series 555. Journal of Physics: Conference Series: 12090. doi:10.1088/1742-6596/555/1/012090, .
    3. Markus, D., M. Arnold, R. Wüchner und K.-U. Bletzinger. 2014. A Virtual Free Surface (VFS) model for efficient wave–current CFD simulation of fully submerged structures. Coastal Engineering 89. Coastal Engineering: 85--98. doi:10.1016/j.coastaleng.2014.04.004, .
    4. Arnold, M., F. Biskup und Po Wen Cheng. 2014. Simulation of Fluid-Structure-Interaction on Tidal Current Turbines based on coupled Multibody and CFD Methods. Journal of Ocean and Wind Energy (JOWE) 1, Nr. 2. Journal of Ocean and Wind Energy (JOWE): 119--126.
    5. Valiloo, Shirin, Mohammad J. Khosrowjerdi und Mohammad Salari. 2014. LMI Based Sliding Mode Surface Design With Mixed H 2 / H ∞ Optimization. Journal of Dynamic Systems, Measurement, and Control 136, Nr. 1. Journal of Dynamic Systems, Measurement, and Control: 011016. doi:10.1115/1.4025553, .
    6. Rettenmeier, Andreas, David Schlipf, Ines Würth und Po Wen Cheng. 2014. Power Performance Measurements of the NREL CART-2 Wind Turbine Using a Nacelle-Based Lidar Scanner. Journal of Atmospheric and Oceanic Technology 31, Nr. 10. Journal of Atmospheric and Oceanic Technology: 2029--2034. doi:10.1175/JTECH-D-13-00154.1, .
    7. Wildmann, N., Martin Hofsäß, F. Weimer, A. Joos und J. Bange. 2014. MASC – a small Remotely Piloted Aircraft (RPA) for wind energy research. Advances in Science and Research 11. Advances in Science and Research: 55--61. doi:10.5194/asr-11-55-2014, .
  6. 2013

    1. Schlipf, David, Dominik Johannes Schlipf und Martin Kühn. 2013. Nonlinear model predictive control of wind turbines using LIDAR. Wind Energy 16, Nr. 7. Wind Energy: 1107--1129. doi:10.1002/we.1533, .
    2. Schlipf, David, Po Wen Cheng und Jakob Mann. 2013. Model of the Correlation between Lidar Systems and Wind Turbines for Lidar-Assisted Control. Journal of Atmospheric and Oceanic Technology 30, Nr. 10. Journal of Atmospheric and Oceanic Technology: 2233--2240. doi:10.1175/JTECH-D-13-00077.1, .
    3. Schlipf, David und Po Wen Cheng. 2013. Adaptive Vorsteuerung für Windenergieanlagen. at - Automatisierungstechnik 61, Nr. 5. at - Automatisierungstechnik: 329--338. doi:10.1524/auto.2013.0029, .
    4. Schuler, Simone, David Schlipf, Po Wen Cheng und Frank Allgower. 2013. Optimal Control of Large Wind Turbines. IEEE Transactions on Control Systems Technology 21, Nr. 4. IEEE Transactions on Control Systems Technology: 1079--1089. doi:10.1109/TCST.2013.2261068, .

Tagungs- und Konferenzbeiträge

  1. 2018

    1. Yu, W., O. Bischoff, P. W. Cheng, G. Wolken-Moehlmann und J. Gottschall. 2018. Validation of a simplified LiDAR-buoy model using open sea measurements. ASME 2018 1st International Offshore 2018. ASME 2018 1st International Offshore 2018. San Francisco, USA.
    2. Vittori, F., F. Bouchotrouch, Frank Lemmer und J. Azcona. 2018. Hybrid scaled testing of a 5MW floating wind turbine using the SIL method compared with numerical models. ASME 37th International Conference on Ocean, Offshore and Arctic Engineering. ASME 37th International Conference on Ocean, Offshore and Arctic Engineering. Madrid, Spain.
    3. Popko, Wojciech, Matthias L. Huhn, Amy Robertson, Jason Jonkman, Fabian Wendt, Kolja Müller, Matthias Kretschmer, u. a. 2018. Verification of a Numerical Model of the Offshore Wind Turbine From the Alpha Ventus Wind Farm Within OC5 Phase III. doi:10.1115/OMAE2018-77589, .
    4. Kretschmer, M., Kolja Müller, Friedemann Borisade, G. Wiesel und Po Wen Cheng. 2018. Simpack Offshore Wind within the OC5 Phase 3 Project for Tool Validation. 4th Wind and Drivetrain Conference. 4th Wind and Drivetrain Conference. Hamburg.
    5. Lemmer, Frank, W. Yu, Chaudhari, A. Pegalajar-Jurado, M. Borg, R. F. Mikkelsen und H. Bredmose. 2018. The TripleSpar campaign: Validation of a reduced-order simulation model for floating wind turbines. ASME 37th International Conference on Ocean, Offshore and Arctic Engineering. ASME 37th International Conference on Ocean, Offshore and Arctic Engineering.
    6. Khaniki, Mohammad Salari, David Schlipf, Vasilis Pettas und Po Wen Cheng. 2018. Control Design For Disturbance Rejection in Wind Turbines. 2018 Annual American Control Conference. 2018 Annual American Control Conference. doi:10.23919/ACC.2018.8431637, .
  2. 2017

    1. Kretschmer, M., Po Wen Cheng und Huang C.-C. 2017. Integrated Substructure Analysis for Wind Turbines under Seismic Loading. DEWEK 2017. DEWEK 2017. Bremen.
    2. Raach, Steffen, J.-W. van Wingerden, S. Boersma, David Schlipf und Po Wen Cheng. 2017. H\_inf controller design for closed-loop wake redirection. American Control Conference (ACC). American Control Conference (ACC). Seattle, USA.
    3. Bischoff, O., I. Würth, J. Gottschall, B. Gribben, D. Stein, J. Hughes und H. Verhoef. 2017. Towards Recommended Practices for Floating Lidar Systems. EERA DeepWind 2017 Deep Sea 2017. EERA DeepWind 2017 Deep Sea 2017. Trondheim, Norway.
    4. Faerron Guzmán, Ricardo, Frank Lemmer, W. Yu, Kolja Müller, Friedemann Borisade und Po Wen Cheng. 2017. Current research on simulations of floating offshore wind turbines. 35. CADFEM ANSYS Simulation Conference. 35. CADFEM ANSYS Simulation Conference. Koblenz.
    5. Lemmer, Frank, Kolja Müller, WeiWeiYu Yu, David Schlipf und Po Wen Cheng. 2017. Optimization of floating offshore wind turbine platforms with a self-tuning controller. International Conference on Ocean, Offshore & Arctic Engineerin. International Conference on Ocean, Offshore & Arctic Engineerin. Trondheim, Norway. doi:10.18419/opus-9174, .
    6. Raach, Steffen, S. Boersma, J.-W. van Wingerden, David Schlipf und Po Wen Cheng. 2017. Robust lidar-based closed-loop wake redirection for wind farm control. 20th World Congress of the International Federation of Automatic Control (IFAC). 20th World Congress of the International Federation of Automatic Control (IFAC). Toulouse, France.
    7. Molter, C. und Po Wen Cheng. 2017. Propeller Performance Calculation for Multicopter Aircraft at Forward Flight Conditions and Validation with Wind Tunnel Measurements. 9th International Micro Air Vehicles Conference and Flight Competition. 9th International Micro Air Vehicles Conference and Flight Competition. Toulouse, France.
  3. 2016

    1. Kretschmer, M., M. Arnold und Po Wen Cheng. 2016. Simulating Wind Farms with Simplified Fluid-Structure-Interaction using Ansys CFX and Flexible Multibody Simulation. 34. CADFEM Ansys Simulation Conference. 34. CADFEM Ansys Simulation Conference. Nuremberg.
    2. Raach, Steffen, David Schlipf, Friedemann Borisade und Po Wen Cheng. 2016. Wake redirecting using feedback control to improve the power output of wind farms. American Control Conference (ACC). American Control Conference (ACC). Boston, USA. doi:10.1109/ACC.2016.7525111, .
    3. Kretschmer, M. und Po Wen Cheng. 2016. Analysis of Two Flow Models for the Simulation of Floating Offshore Wind Farms. 12th EAWE PhD Seminar on Wind Energy in Europe. 12th EAWE PhD Seminar on Wind Energy in Europe. Copenhagen, Denmark.
    4. Luhmann, B., Friedemann Borisade, Steffen Raach und Po Wen Cheng. 2016. Coupled Aero-Elastic Multi-Body Simulation of Two-Bladed Wind Turbines in Wind Park Arrays. AIAA conference. AIAA conference. San Diego,  USA.
    5. Schlipf, David, Paul Mazoyer, M. Boquet, Steffen Raach, Andrew Scholbrock und Paul Fleming. 2016. High-Frequency Wind Retrieval Algorithms from Nacelle-Mounted Lidars for Wind Turbine Control Applications. 18th International Symposium for the Advancement of Boundary-Layer Remote Sensing (ISARS). 18th International Symposium for the Advancement of Boundary-Layer Remote Sensing (ISARS). Varna, Bulgaria.
    6. Koch, Christian, Frank Lemmer, Friedemann Borisade, Denis Matha und Po Wen Cheng. 2016. Validation of INNWIND.EU scaled model tests of a semisubmersible floating wind turbine. International Ocean and Polar Engineering Conference. International Ocean and Polar Engineering Conference. Rhodos, Greece. doi:10.18419/opus-8967, .
  4. 2015

    1. Tiana-Alsina, J., M. A. Gutierrez, Ines Würth, J. Puigdefabregas und F. Rocadenbosch. 2015. Motion compensation study for a floating Doppler wind lidar. IGARSS. IGARSS. Milan, Italy.
    2. Beyer, F., T. Choisnet, M. Favré und Po Wen Cheng. 2015. Simplified Aerodynamic Models with Limited Rotor Data for the Design of Floating Offshore Wind Turbine Support Structures. EWEA Offshore. EWEA Offshore. Copenhagen, Denmark.
    3. Würth, Ines und et. al. 2015. Determination of stationary and dynamical power curves in inhomogeneous wind flow using a nacelle-based lidar system. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    4. Sandner, Frank, W. Yu und Po Wen Cheng. 2015. Parameterized Dynamic Modelling Approach for Conceptual Dimensioning of a Floating Wind Turbine System. EERA Deepwind. EERA Deepwind. Trondheim, Norway.
    5. Arnold, M., F. Biskup und Po Wen Cheng. 2015a. Impact of Structural Flexibility on Loads on Tidal Current Turbines. 11th European Wave and Tidal Energy Conference. 11th European Wave and Tidal Energy Conference. Nantes, France.
    6. Lemmer, Frank, Steffen Raach, David Schlipf und Po Wen Cheng. 2015. Prospects of Linear Model Predictive Control on a 10MW Floating Wind Turbine. Proceedings of the ASME 34th International Conference on Ocean & Offshore and Arctic Engineering. Proceedings of the ASME 34th International Conference on Ocean & Offshore and Arctic Engineering. St. John’s, Kanada.
    7. Sandner, Frank, F. Amann, J. Azcona, X. Munduate, C. L. Bottasso, Filippo Campagnolo, H. Bredmose, A. Manjock, R. Pereira und A. Robertson. 2015. Model Building and Scaled Testing of 5MW and 10MW Semi-Submersible Floating Wind Turbines. EERA Deepwind. EERA Deepwind. Trondheim, Norway.
    8. Hofsäß, Martin, D. Kozlowski, Tom Siebers und Po Wen Cheng. 2015. Comparison of the Rotor Equivalent Wind Speed of Ground- and Nacelled-Based LIDAR. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    9. Raach, Steffen, David Schlipf, Florian Haizmann, F. Fürst, Ines Würth und Po Wen Cheng. 2015. Advances in lidar-assisted control and power curve measurement of wind turbines in the LIDAR II project. EWEA Offshore. EWEA Offshore. Copenhagen, Denmark.
    10. Biskup, F., M. Arnold, P. Daus und L. Engbroks. 2015. Actuator Disc Model of a Tidal In-Stream Energy Converter - Voith HyTide. 25th ISOPE. 25th ISOPE. Kona, USA.
    11. Fürst, H., David Schlipf, M. Iribas Latour und Po Wen Cheng. 2015. Design and evaluation of a lidar-based feedforward controller for the INNWIND.EU 10 MW wind turbine. European Wind Energy Association Annual Event (EWEA). European Wind Energy Association Annual Event (EWEA). Paris, France.
    12. Schlipf, David, Paul Fleming, Steffen Raach, Andrew Scholbrock, Florian Haizmann, R. Krishnamurthy, M. Boquet und Po Wen Cheng. 2015. An adaptive data processing technique for lidar-assisted control to bridge the gap between lidar systems and wind turbines. European Wind Energy Association Annual Event (EWEA). European Wind Energy Association Annual Event (EWEA). Paris, France.
    13. ---. 2015b. Load Reduction Potential of Variable Speed Control Approaches for Fixed Pitch Tidal Current Turbines. 11th European Wave and Tidal Energy Conference. 11th European Wave and Tidal Energy Conference. Nantes, France.
    14. Beyer, F., T. Choisnet, M. Kretschmer und Po Wen Cheng. 2015. Coupled MBS-CFD Simulation of the IDEOL Floating Offshore Wind Turbine Foundation Compared to Wave Tank Model Test Data. 25th ISOPE. 25th ISOPE. Kona, USA.
    15. Beyer, F. und Po Wen Cheng. 2015. Load Simulation of Offshore Wind Turbines - Modeling Techniques and Validation by Measurements. SIMPACK Wind and Drivetrain Conference 2015. SIMPACK Wind and Drivetrain Conference 2015. Hamburg.
    16. Raach, Steffen, David Schlipf, J. J. Trujillo und Po Wen Cheng. 2015. Model-based wake tracking using lidar measurements for wind farm control. Windfarms 2015 conferences. Windfarms 2015 conferences. Leuven, Belgium.
    17. Trujillo, J. J., H. Beck, Kolja Müller, Po Wen Cheng und Martin Kühn. 2015. Detailed validation of dynamic loading simulation of offshore wind turbines operating in wake. RAVE Offshore Wind R&D Conference. RAVE Offshore Wind R&D Conference. Bremerhaven.
    18. Bischoff, O., D. Schlipf, I. Würth und P. W. Cheng. 2015. Dynamic Motion Effects and Compensation Methods of a Floating Lidar Buoy. EERA DeepWind 2015 Deep Sea Offshore Wind Conference. EERA DeepWind 2015 Deep Sea Offshore Wind Conference. Trondheim, Norway.
    19. Haizmann, Florian, David Schlipf und Po Wen Cheng. 2015. Correlation-Model of Rotor-Effective Wind Shears and Wind Speed for LiDAR-based Individual Pitch Control. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    20. Raach, Steffen, David Schlipf, J. J. Trujillo, Po Wen Cheng und P. W. 2015. Lidar-based wake tracking for wind farm control at alpha ventus. RAVE Offshore Wind R&D Conference. RAVE Offshore Wind R&D Conference. Bremerhaven.
    21. Matha, Denis, F. Beyer, Frank Lemmer und Po Wen Cheng. 2015. Model Testing and Numerical Simulation in Floating Offshore Wind Turbine Design - Overview and Conclusions from practical Applications. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    22. Haizmann, Florian, David Schlipf, Steffen Raach, Andrew Scholbrock, Alan Wright, C. Slinger, J. Medley, M. Harris, E. Bossanyi und Po Wen Cheng. 2015. Optimization of a feed-forward controller using a CW-lidar system on the CART3. American Control Conference. American Control Conference. Chicago, USA.
    23. Manjock, A., H. Bredmose, J. Azcona, Frank Lemmer, F. Amann und Filippo Campagnolo. 2015. Rotor Aerodynamics For Tank Tests Of Scaled Floating Wind Turbines. EWEA Offshore. EWEA Offshore. Copenhagen, Denmark.
    24. Würth, Ines, Florian Haizmann, J. Anger, David Schlipf, Martin Hofsäß, Steffen Raach und Po Wen Cheng. 2015. Four years of nacelle-based lidar measurements in alpha ventus - a review. RAVE Offshore Wind R&D Conference. RAVE Offshore Wind R&D Conference. Bremerhaven.
    25. Faerron Guzmán, Ricardo, S. Lott, Kolja Müller und Po Wen Cheng. 2015. Evaluation of the Extreme and Fatigue Load Measurements at Alpha Ventus. RAVE International Conference. RAVE International Conference. Bremerhaven.
    26. Gutierrez, M. A., J. Tiana-Alsina, O. Bischoff, J. Cateura und F. Rocadenbosch. 2015. Performance evaluation of a floating Doppler wind lidar buoy in mediterranean near-shore conditions. International Geoscience and Remote Sensing 2015. International Geoscience and Remote Sensing 2015. Milan, Italy.
    27. Arnold, M., M. Kretschmer, F. Biskup, J. Koch und Po Wen Cheng. 2015. A Validation Method for Fluid-Structure-Interaction Simulations Based on Submerged Free Decay Experiments. 25th ISOPE. 25th ISOPE. Kona, USA.
    28. Beyer, F., B. Luhmann, Steffen Raach und Po Wen Cheng. 2015. Shadow Effects in an Offshore Wind Farm - Potential of Vortex Methods for Wake Modelling. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    29. Fateri, M., A. Gebhardt, R. A. Gabrielli, G. Herdrich, S. Fasoulas, A. Großmann, P. Schnauffer und Peter Middendorf. 2015. Additive Manufacturing of Lunar Regolith for Extra-terrestrial Industry Plant. 30th ISTS. 30th ISTS. Kobe, USA.
    30. Wortmann, S., Florian Haizmann, J. Geisler und U. Konigorski. 2015. Comparison of Feedback and Ideal and Realistic Lidar-Assisted Feedforward Individual Pitch Control. Scientific Track of European Wind Energy Association Annual Event (EWEA). Scientific Track of European Wind Energy Association Annual Event (EWEA). Paris, France.
  5. 2014

    1. Beyer, F., Denis Matha, M. Arnold, B. Luhmann und Po Wen Cheng. 2014. Coupled CFD and Vortex Methods for Modelling Hydro- and Aerodynamics of Tidal Current Turbines and On- and Offshore Wind Turbines. Simpack User Meeting 2014. Simpack User Meeting 2014. Augsburg.
    2. Beyer, F., M. Arnold und Po Wen Cheng. 2014. Simulation of Ocean Waves for Load Assessment of Surface Piercing and Fully Submerged Bodies with Ansys CFX. Ansys Conference 32. CADFEM User’s Meeting 2014. Ansys Conference 32. CADFEM User’s Meeting 2014. Nürnberg.
    3. Raach, Steffen, David Schlipf, Florian Haizmann und Po Wen Cheng. 2014. Three Dimensional Dynamic Model Based Wind Field Reconstruction from Lidar Data. Journal of Physics: Conference Series. Journal of Physics: Conference Series. Copenhagen, Denmark.
    4. Arnold, M., R. Daus, F. Biskup und Po Wen Cheng. 2014. Tidal Current Turbine Wake and Park Layout in transient Environments. 33rd OMAE. 33rd OMAE.
    5. Molins, C., Alexis Campos, Frank Sandner und Denis Matha. 2014. Monolithic Concrete Off-Shore Floating Structure For Wind Turbines. Proceedings of the EWEA. Proceedings of the EWEA. Barcelona, Spain.
    6. Raach, Steffen, David Schlipf, Frank Sandner, Denis Matha und Po Wen Cheng. 2014. Nonlinear Model Predictive Control of Floating Wind Turbines with Individual Pitch Control. American Control Conference. American Control Conference. Portland, USA.
    7. Haizmann, Florian, David Schlipf, Nicolai Cosack, D. Neuhaus, Steffen Raach, T. Maul und Po Wen Cheng. 2014. Field Testing of LiDAR assisted Feed-Forward Control on a Large Commercial Wind Turbine. EWEA Annual Event. EWEA Annual Event. Barcelona, Spain.
    8. Bischoff, O., Ines Würth, Po Wen Cheng, J. Tiana Alsina und M. A. Gutierrez. 2014. Motion effects on lidar wind measurement data of the EOLOS buoy. RENEW. RENEW. Lisbon, Portugal.
    9. Sandner, Frank, David Schlipf, Denis Matha und Po Wen Cheng. 2014. Integrated Optimization of Floating Wind Turbine Systems. 33rd International Conference on Ocean & Offshore and Arctic Engineering OMAE. 33rd International Conference on Ocean & Offshore and Arctic Engineering OMAE. San Francisco, USA.
    10. Böhler, Patrick, Stefan Carosella, C. Götz und Peter Middendorf. 2014. Path definition for tailored fiber placement structures using numerical reverse draping approach. ESAFORM2015. ESAFORM2015. Graz, Austria.
    11. Schlipf, David, P. Grau, Steffen Raach, R. Duraiski, J. Trierweiler und Po Wen Cheng. 2014. Comparison of linear and nonlinear model predictive control of wind turbines using LIDAR. American Control Conference. American Control Conference. Portland, USA.
    12. Robertson, A. und F. Beyer. 2014. Offshore Code Comparison Collaboration Continuation Within IEA Wind Task 30: Phase II Results Regarding a Floating Semisubmersible Wind System. 33rd International Conference on Ocean & Offshore and Arctic Engineering (OMAE). 33rd International Conference on Ocean & Offshore and Arctic Engineering (OMAE). San Francisco, USA.
    13. Müller, Kolja, Frank Sandner, H. Bredmose, J. Azcona, A. Manjock und R. Pereira. 2014. Improved Tank Test Procedures For Scaled Floating Offshore Wind Turbines. International Wind Engineering Conference IWEC. International Wind Engineering Conference IWEC. Hannover.
    14. ---. 2014. Dynamic Behaviour of Floating Offshore Wind Turbines. IEA R&D Wind Task XI. IEA R&D Wind Task XI. Las Palmas, Spain.
    15. Trujillo, J. J., J. K. Seifert, Martin Kühn, David Schlipf und Ines Würth. 2014. Measuring wind turbine yaw misalignment by near wake tracking. EWEA Annual Event. EWEA Annual Event. Barcelona, Spain.
  6. 2013

    1. Sandner, Frank und Po Wen Cheng. 2013. Conceptual design of floating wind turbines. In Proceedings of the 9th PhD Seminar on Wind Energy in Europe. In Proceedings of the 9th PhD Seminar on Wind Energy in Europe. Visby.
    2. Markus, D., R. Wüchner, M. Arnold, K. U Bletzinger und M. Hojjat. 2013. A reduced modeling Methodology for efficient Ocean Wave CFD Simulation of fully submerged Structures. 32nd OMAE. 32nd OMAE.
    3. Scholbrock, Andrew, Paul Fleming, Fingersh, Alan Wright, David Schlipf, Florian Haizmann und Belen. 2013. Field Testing LIDAR-Based Feed-Forward Controls on the NREL Controls Advanced Research Turbine. 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. Grapevine.
    4. ---. 2013. Simulation of Fluid-Structure-Interaction on Tidal Current Turbines based on coupled Multibody and CFD Methods. 23rd ISOPE. 23rd ISOPE.
    5. Härer, A., Denis Matha, D. Kucher und Frank Sandner. 2013. Optimization of offshore wind turbine components in multi-body simulations for cost and load reduction. EWEA Offshore. EWEA Offshore. Frankfurt.
    6. Schlipf, David. 2013. Lidars and Wind Turbine Control - Part 1 (Chapter 9 in Remote Sensing for Wind Energy). DTU Wind Energy-E-Report-0029(EN). DTU Wind Energy-E-Report-0029(EN). Roskilde.
    7. Galappathithi, U.I.K., A. K. Pickett, Milos Draskovic, Marc Capellaro und De Silva. A. K. M. 2013. The Effect of Ply Waviness for the Fatigue Life of Composite Wind Turbine Blades. ICREPQ 13  (RE&PQJ). ICREPQ 13  (RE&PQJ). Bilbao.
    8. Draskovic, Milos, U.I.K. Galappathithi, A. K. Pickett, Marc Capellaro und Peter Middendorf. 2013. Influence of ply waviness on residual strength and fatigue degradation of composite wind turbine blades. ICCM19. ICCM19. Montreal.
    9. Schlipf, David, Paul Fleming, Kapp, Andrew Scholbrock, Florian Haizmann, Belen, Alan Wright und Po Wen Cheng. 2013. Direct Speed Control Using LIDAR and Turbine Data. American Control Conference. American Control Conference. Washington.
    10. Haizmann, Florian, Paul Fleming, David Schlipf, Andrew Scholbrock, Martin Hofsäß, Alan Wright und Po Wen Cheng. 2013. Implementation of an Online Correlation Analysis for an Adaptive LiDAR based Feed-Forward Controller for Wind Turbines. EWEA Annual Event. EWEA Annual Event. Vienna.
    11. Arnold, M. und Po Wen Cheng. 2013. Simulation of Fluid-Structure-Interaction on Tidal Current Turbines with flexible Multibody Systems and Ansys CFX. 31st ACUM. 31st ACUM.
    12. Arnold, M., F. Biskup, Denis Matha und Po Wen Cheng. 2013. Simulation of Rotor-Foundation-Interaction on Tidal Current Turbines with Computational Fluid Dynamics. 10th EWTEC. 10th EWTEC.
    13. ---. 2013. Analysis of Floating Offshore Wind Turbine Hydrodynamics using coupled CFD and Multibody Methods. 23rd International Ocean and Polar Engineering Conference (ISOPE). 23rd International Ocean and Polar Engineering Conference (ISOPE). Anchorage, USA.
    14. Biskup, F., M. Arnold, P. Daus, R. Arlitt und M. Hohberg. 2013. Effects of Rotor Blade Tip Modifications on a Tidal In-Stream Energy Converter - Voith HyTide. 10th EWTEC. 10th EWTEC.
    15. Haizmann, Florian und Po Wen Cheng. 2013. Advanced Lidar-Assisted Control of Wind Turbines. 9th EAWE PhD Seminar on Wind Energy in Europe. 9th EAWE PhD Seminar on Wind Energy in Europe. Visby.
    16. Schlipf, David, Frank Sandner, Steffen Raach, Denis Matha und Po Wen Cheng. 2013. Nonlinear Model Predictive Control of Floating Wind Turbines. ISOPE. ISOPE. Anchorage, USA.
  7. 2012

    1. Rettenmeier, Andreas, J. Anger, O. Bischoff, Martin Hofsäß, David Schlipf und Ines Würth. 2012. Nacelle-Based Lidar Systems. Summer School:Remote Sensing for Wind Energy. Summer School:Remote Sensing for Wind Energy.
    2. Matha, Denis, Frank Sandner und David Schlipf. 2012. Efficient Critical Design Load Case Identification for Floating Offshore Wind Turbines with a Reduced Nonlinear Model. The Science of Making Torque from Wind. Oldenburg. The Science of Making Torque from Wind. Oldenburg.
    3. Würth, Ines, Andreas Rettenmeier, David Schlipf, Po Wen Cheng, Wächter, Rinn und Peinke. 2012. Determination of Stationary and Dynamical Power Curves Using a Nacelle-based LIDAR System. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    4. ---. 2012. Fluid-Structure-Interaction on Tidal Current Turbines. 8th EAWE-PhD-Summerschool. 8th EAWE-PhD-Summerschool.
    5. Rettenmeier, Andreas, J. Anger, O. Bischoff, Martin Hofsäß, David Schlipf, Ines Würth und Po Wen Cheng. 2012. Development of Lidar wind measurement techniques. RAVE International Conference. RAVE International Conference. Bremerhaven.
    6. Sandner, Frank, David Schlipf, Denis Matha, Seifried, R und Po Wen Cheng. 2012. Reduced Nonlinear Model of a Spar-Mounted Floating Wind Turbine. German Wind Energy Conference DEWEK. Bremen. German Wind Energy Conference DEWEK. Bremen. Germany.
    7. Schlipf, David, J. Anger, O. Bischoff, Martin Hofsäß, Andreas Rettenmeier, Ines Würth, Siegmeier und Po Wen Cheng. 2012. Lidar Assisted Wind Turbine Control. RAVE International Conference. RAVE International Conference. Bremerhaven.
    8. Schlipf, David, Andreas Rettenmeier, Florian Haizmann, Martin Hofsäß, M. Courtney und Po Wen Cheng. 2012. Model Based Wind Vector Field Reconstruction from Lidar Data. German Wind Energy Conference (DEWEK). German Wind Energy Conference (DEWEK). Bremen.
    9. Schuon, F., D. González, F. Rocadenbosch, O. Bischoff und R. Jané. 2012. KIC InnoEnergy Project Neptune: development of a floating LiDAR buoy for wind, wave and current measurements. German Wind Energy Conference 2012. German Wind Energy Conference 2012. Bremen.
    10. Beyer, F., Denis Matha, Sebastian und Lackner. 2012. Development, Validation and Application of a Curved Vortex Filament Model for Free Vortex Wake Analysis of Floating Offshore Wind Turbines. 50th AIAA Aerospace Sciences Meeting and Exhibit. 50th AIAA Aerospace Sciences Meeting and Exhibit. USA.
    11. ---. 2012. Dynamic Behaviour of Floating Offshore Wind Turbines. 8th PhD Seminar on Wind Energy in Europe. 8th PhD Seminar on Wind Energy in Europe. Zurich.
  8. 2011

    1. Beyer, F., Sebastian und Denis Lackner Matha. 2011. Curved Vortex Filaments in Free Vortex Wake Analysis of Floating Wind Turbines. EWEA Offshore 2011. EWEA Offshore 2011. Niederlande.
    2. Bischoff, O., M. Hofsäß und P. W. Cheng. 2011. Wind turbine simulation in flat and complex terrain using generic wind fields based on lidar and sonic measurement data. European Wind Energy Association Annual Conference and Exhibition 2015, EWEA 2015. European Wind Energy Association Annual Conference and Exhibition 2015, EWEA 2015. Paris, France.
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