Herr Dr.-Ing.

Frank Lemmer geb. Sandner

Wissenschaftlicher Mitarbeiter
Institut für Flugzegbau

Kontakt

+49 711 685-68332
+49 711 685-68293

Allmandring 5b
70569 Stuttgart
Deutschland
Raum: 2.38

Sprechstunde

Nach Vereinbarung.

Fachgebiet

  • PhD project: "Conceptioning, modeling and control of floating wind turbine systems."
  • Multibody system dynamics
  • Linear, frequency-domain models
  • Control engineering
  • Offshore engineering
  • Involvement in previous and ongoing research projects:
    • H2020-LIFES50+, Qualification of innovative floating substructures for 10MW wind turbines and water depths greater than 50m
    • FP-7 INNWIND.EU, Innovative wind conversion systems (10-20MW) for offshore applications
    • KIC-AFOSP, Alternative floating offshore support platforms for wind turbines
    • FP-7 FLOATGEN, Demonstration and benchmarking of a wind turbine in Atlantic Ocean
  1. 2018

    1. 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.
    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. 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. 2017

    1. 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, .
    2. 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.
    3. 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, .
    4. 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. 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, .
    2. 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, .
    3. ---. 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. 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, .
  4. 2015

    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. 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.
    6. 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, .
    7. 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, .
  5. 2014

    1. 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.
    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. 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.
    4. 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.
  6. 2013

    1. 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.
    2. 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.
    3. 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.
  7. 2012

    1. 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.
    2. 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.
  • 2006-2012: Dipl.-Ing. of Mechanical Engineering, University of Stuttgart, Germany.
    Specialisation in computational dynamics and control, fluid dynamics and hydraulic machinery.
  • 2010: Visiting scholar at University of Michigan, Ann Arbor/USA, German-American Fulbright Commission.
  • 2010: Internship Alstom Power AG, Gas Turbine Mechanical Integration.
  • 2011: Internship GIZ - Gesellschaft für Internationale Zusammenarbeit gGmbH, Benin/West Africa.
  • 2012: Diploma thesis "Reduced Model Design of a Floating Wind Turbine" at SWE.
  • since 10/2012: Researcher and PhD candidate at SWE.
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