Herr Dr.-Ing.

Steffen Raach

Wissenschaftlicher Mitarbeiter
Institut für Flugzeugbau

Kontakt

+49 711 685-68303
+49 711 685-68293

Allmandring 5b
70569 Stuttgart
Deutschland
Raum: 0.11a

Fachgebiet

  • Wind farm control
  • Reduced order modeling of wind turbines and wind farm interactions
  • Lidar wind field reconstruction
  • Lidar-based wind turbine control
  • Field testing of lidar-based controllers
  • Wind turbine control
  • Floating wind turbine control
  1. 2018

    1. 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, .
  2. 2017

    1. 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.
    2. 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.
    3. 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, .
    4. ---. 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, .
  3. 2016

    1. 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.
    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. 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.
    4. 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, .
    5. 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, .
    6. ---. 2016. Parametric Wave Excitation Model for Floating Wind Turbines. Energy Procedia 94. Energy Procedia: 290--305. doi:10.1016/j.egypro.2016.09.186, .
  4. 2015

    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. 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.
    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. 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.
    8. 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.
  5. 2014

    1. 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.
    2. 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.
    3. 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.
    4. Raach, Steffen, David Schlipf, Florian Haizmann und Po Wen Cheng. 2014a. Three Dimensional Dynamic Model Based Wind Field Reconstruction from Lidar Data. Journal of Physics: Conference Series. Journal of Physics: Conference Series. Copenhagen, Denmark.
    5. ---. 2014b. 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, .
  6. 2013

    1. 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.

Studentische Arbeiten:

Auf Anfrage biete ich immer wieder Arbeiten in den Themengebieten

  • Reduzierte Strömungsmodellierung und Strukturkopplung
  • Anwendung von CFD Simulationstools
  • Verteilte Regelung von Windturbinen
  • Regler und Beobachterentwurf im Windpark

an.

2007 - 2013 Dipl.-Ing of Engineering Cybernetics, University of Stuttgart, Germany.
2011 Visiting scholar at Technical University of Tampere, Tampere, Finland with a DAAD scholarship.
2013 Diploma thesis "Model predictive control of a floating wind turbine with individual pitch control" at SWE.
since 10/2013 Research Assistant and PhD candidate at SWE.

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