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2017
T. N. Dief, U. Fechner, R. Schmehl, S. Yoshida, A. M. M. Ismaiel, A. M. Halawa: "System Identification, Fuzzy Control, and Simulation Results for Fixed Length Tether of Kite Power System". Discussion paper / Manuscript under review. Wind Energy Science Discussions, 2017. doi: 10.1016/j.apm.2017.03.030. pdf
R. van der Vlugt, A. Bley, M. Noom, R. Schmehl: "Quasi-Steady Model of a Pumping Kite Power System". Submitted to Renewable Energy, 2017. arXiv:1705.04133 [cs.SY]
G. Sánchez-Arriaga, M. García-Villalba, R. Schmehl: "Modelling and dynamics of a two-line kite". Applied Mathematical Modelling, Vol. 47, pp. 473-486, 2017. doi: 10.1016/j.apm.2017.03.030. pdf
2016
P. S Manoj: "Airborne wind energy technology - Potential alternative for clean energy". Atlantis Magazine, Volume 27, Issue 1, 2016. pdf
U. Fechner, R. Schmehl: "Downscaling of Airborne Wind Energy Systems". Journal of Physics: Conference Series Vol. 753, pp. 102002, 2016. doi: 10.1088/1742-6596/753/10/102002
U. Fechner: "A Methodology for the Design of Kite-Power Control Systems". PhD thesis, Delft University of Technology, 2016. pdf
U. Fechner, R. Schmehl: "Flight Path Control of Kite Power Systems in a Turbulent Wind Environment". 2016 American Control Conference (ACC), pp. 4083-4088, Boston, MA, USA, 6-8 July 2016. doi: 10.1109/ACC.2016.7525563
2015
U. Fechner, R. van der Vlugt, E. Schreuder, R. Schmehl: "Dynamic Model of a Pumping Kite Power System". Renewable Energy, Vol. 83, pp. 705-716, 2015. doi: 10.1016/j.renene.2015.04.028. arXiv:1406.6218 [cs.SY]
2014
A. Viré, R. Schmehl: "How to harness wind energy with traction kites". Reviews in Environmental Science and Bio/Technology, December 2014. doi: 10.1007/s11157-014-9360-4
R. Schmehl, R. van der Vlugt, U. Fechner, A. de Wachter, W. Ockels: "Airborne Wind Energy System". Dutch Patent Application NL 2009528. pp. 1-34, 2014. pdf
C. Grete: “The Economic Potential of Kite Power”. Leonardo Times – Journal of the Society of Aerospace Engineering Students 'Leonardo da Vinci', No. 4, pp. 10-11, 2014. pdf
U, Fechner, R. Schmehl: "Feed-Forward Control of Kite Power Systems". Journal of Physics: Conference Series Vol. 524, pp. 012081, 2014. doi: 10.1088/1742-6596/524/1/012081. pdf
A. Bosch, R. Schmehl, P. Tiso, D. Rixen: “Dynamic nonlinear aeroelastic model of a kite for power generation“. AIAA Journal of Guidance, Control and Dynamics, Vol. 37, No. 5, pp. 1426-1436, 2014. doi: 10.2514/1.G000545
C. Jehle, R. Schmehl: "Applied Tracking Control for Kite Power Systems". AIAA Journal of Guidance, Control and Dynamics, Vol. 37, No. 4, pp. 1211-1222, 2014. doi: 10.2514/1.62380
2013
A. Bosch, R. Schmehl, P. Tiso, D. Rixen: “Nonlinear Aeroelasticity, Flight Dynamics and Control of a Flexible Membrane Traction
Kite". In: U. Ahrens, M. Diehl, R. Schmehl (eds.) "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7_17. pdf
J. Breukels, R. Schmehl, W.J. Ockels: "Aeroelastic Simulation of Flexible Membrane Wings based on Multibody System Dynamics". In: U. Ahrens, M. Diehl, R. Schmehl (eds.) "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7_16. pdf
U. Fechner, R. Schmehl: "Model-Based Efficiency Analysis of Wind Power Conversion by a Pumping Kite Power System". In: U. Ahrens, M. Diehl, R. Schmehl (eds.) "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7_14. pdf
R. Schmehl, M. Noom, R. van der Vlugt: "Traction Power Generation with Tethered Wings". In: U. Ahrens, M. Diehl, R. Schmehl (eds.) "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7_2. pdf
R. van der Vlugt, J. Peschel, R. Schmehl: "Design and Experimental Characterization of a Pumping Kite Power System". In: U. Ahrens, M. Diehl, R. Schmehl (eds.) "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7_23. pdf
U. Ahrens, M. Diehl, R. Schmehl (eds.): "Airborne Wind Energy". Springer, Heidelberg, 2013. doi: 10.1007/978-3-642-39965-7
2012
U. Fechner, R. Schmehl: “Design of a Distributed Kite Power Control System”. 2012 IEEE Multi-Conference on Systems and Control, Dubrovnik, Croatia, 3-5 October 2012. pdf
U. Fechner, R. Schmehl: “High level control and optimization of kite power systems”. 8th PhD Seminar on Wind Energy in Europe, Zurich, Switzerland, 12-13 September 2012. pdf
R. Schmehl: “Kiting for Wind Power”. Wind Systems, No. 7, pp.36-43, 2012. pdf
R. Schmehl: “Large-Scale Power Generation with Kites”. Leonardo Times – Journal of the Society of Aerospace Engineering Students 'Leonardo da Vinci', No. 1, pp. 21-22, 2012. pdf
J.H. Baayen, W.J. Ockels: "Tracking control with adaption of kites". IET Control Theory & Applications. Vol. 6, No. 2, pp. 182-191, 2012. doi: 10.1049/iet-cta.2011.0037
2011
S.G.C. de Groot, J. Breukels, R. Schmehl, W.J. Ockels: “Modeling Kite Flight Dynamics Using a Multibody Reduction Approach”. AIAA Journal of Guidance, Control and Dynamics. Vol. 34, No. 6, pp. 1671-1682, 2011. doi: 10.2514/1.52686
R. Schmehl: "Die Kraft des Drachens, Antwort auf Leserbrief". Erneuerbare Energien, No. 9, p. 133, 2011. pdf
R. Schmehl: "Die Kraft des Drachens". Erneuerbare Energien, No. 8, p. 64-69, 2011. pdf
R. Schmehl: "Kite Power Technologie". Windnieuws, No. 2, pp. 22-24, 2011. pdf
E.J. Terink, J. Breukels, R. Schmehl, W.J. Ockels: “Flight Dynamics and Stability of a Tethered Inflatable Kiteplane”. AIAA Journal of Aircraft, Vol. 48, No. 2, pp. 503-513, 2011. doi: 10.2514/1.C031108
J. Breukels: "An engineering methodology for kite design". PhD thesis, Delft University of Technology, 2011. pdf
2010
A. de Wachter: "Power from the skies - Laddermill takes Airborne Wind Energy to new heights". Leonardo Times - Journal of the Society of Aerospace Engineering Students 'Leonardo da Vinci', No. 4, pp. 18-20, 2010. pdf
J. Breukels, W.J. Ockels: "A Multi-Body System Approach to the Simulation of Flexible Membrane Airfoils". Aerotecnica Missili & Spazio (AIDAA), Vol. 89, No. 3, pp. 119-134, 2010. pdf
2009
R.F. Verheul, J. Breukels, W.J. Ockels: “Material selection and joining methods for the purpose of a high-altitude inflatable kite”. AIAA 2009-2338, 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, USA, 4-5 May 2009. pdf
2008
P. Williams, B. Lansdorp, W.J. Ockels: “Optimal Crosswind Towing and Power Generation with Tethered Kites”. AIAA Journal of Guidance, Control and Dynamics, Vol. 31, No. 1, 2008. doi: 10.2514/1.30089
J. Breukels, W.J. Ockels: "Analysis of complex inflatable structures using a multi-body dynamics approach". AIAA-2008-2284, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, USA, 7-10 April 2008. pdf
P. Williams, B. Lansdorp, W.J. Ockels: “Nonlinear Control and Estimation of a Tethered Kite in Changing Wind Conditions”, AIAA Journal of Guidance, Control and Dynamics, Vol. 31, No. 3, 2008. doi: 10.2514/1.31604
B. Lansdorp, R. Ruiterkamp, P. Williams, W.J. Ockels: "Long-Term Laddermill Modeling for Site Selection". AIAA-2008-6690, AIAA Modeling and Simulation Technologies Conference and Exhibit, Honolulu, Hawaii, 18-21 August 2008. pdf
P. Williams, B. Lansdorp, W.J. Ockels: “Modeling, Simulation, and Testing of Surf Kites for Power Generation”. AIAA 2008-6693, AIAA Modelling and Simulation Technologies Conference and Exhibit, Honolulu, Hawaii, USA, 18-21 August 2008. pdf
P. Williams, B. Lansdorp, W.J. Ockels: “Modeling of Optimal Power Generation using Multiple Kites". AIAA 2008-6691, AIAA Modelling and Simulation Technologies Conference and Exhibit, Honolulu, Hawaii, USA, 18-21 August 2008. pdf
2007
A.R. Podgaets, W.J. Ockels: "Laddermill sail – a new concept in sailing". International Conference on Engineering Technology (ICET 2007), Kuala Lumpur, Malaysia, 11-14 December 2007. pdf
A.R. Podgaets, W.J. Ockels: "Robust Control of Laddermill Wind Energy System". Wind Power Shanghai Conference, Shanghai, China, 1-3 November 2007. pdf
A.R. Podgaets, W.J. Ockels: "Comparison of two mathematical models of the kite for Laddermill sail simulation". IAENG World Congress of Engineering Computer Science, San Francisco, CA, USA, 24-26 October 2007. pdf
A.R. Podgaets, W.J. Ockels: "Flight Control of the High Altitude Wind Power System". 7th Conference on Sustainable Applications for Tropical Island States, Cape Canaveral, FL, USA, 3-6 June 2007. pdf
J. Breukels, W.J. Ockels: "A multi-body dynamics approach to a cable simulation for kites". Asian Modelling and Simulation (AsiaMS2007), Beijing, China, 8-10 October 2007. pdf
B. Lansdorp, W.J. Ockels: "Design and construction of the 4kW groundstation for the laddermill". 7th IASTED International Conference on Power and Energy Systems (EuroPES 2007), Palma de Mallorca, Spain, 29-31 August 2007. pdf
P. Williams, B. Lansdorp, W.J. Ockels: "Modeling and Control of a Kite on a Variable Length Flexible Inelastic Tether". AIAA 2007-6705, AIAA Modelling and Simulation Technologies Conference and Exhibit, Hilton Head, SC, USA, 20-23 August 2007. pdf
P. Williams, B. Lansdorp, W.J. Ockels: "Optimal Trajectories for Tethered Kite Mounted on a Vertical Axis Generator". AIAA 2007-6706, AIAA Modelling and Simulation Technologies Conference and Exhibit, Hilton Head, SC, USA, 20-23 August 2007. pdf
P. Williams, B. Lansdorp, W.J. Ockels: “Flexible Tethered Kite with Movable Attachment Points, Part II: State and Wind Estimation”. AIAA-2007-6629, AIAA Modelling and Simulation Technologies Conference and Exhibit, Hilton Head, SC, USA, 20-23 August 2007. pdf
P. Williams, B. Lansdorp, W.J. Ockels: “Flexible Tethered Kite with Movable Attachment Points, Part I: Dynamics and Control”. AIAA-2007-6628, AIAA Modelling and Simulation Technologies Conference and Exhibit, Hilton Head, SC, USA, 20-23 August 2007. pdf
B. Lansdorp, R. Ruiterkamp, W.J. Ockels: “Towards Flight Testing of Remotely Controlled Surfkites for Wind Energy Generation”. AIAA-2007-6643, AIAA Modelling and Simulation Technologies Conference and Exhibit, Hilton Head, SC, USA, 20-23 August 2007. pdf
J. Breukels, W.J. Ockels: "Numerical and Experimental Results of the Airflow in the Delft University KiteLab". AIAA 2007-3922, 25th AIAA Applied Aerodynamics Conference, Miami, FL, USA, 25-28 June 2007. pdf
J. Breukels, W.J. Ockels: "Design of a large inflatable kiteplane". AIAA 2007-2246, 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, USA, 23-26 April 2007. pdf
J. Breuer, W.J. Ockels, R.H. Luchsinger: "An inflatable wing using the principle of Tensairity". AIAA 2007-2117, 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Honolulu, HI, USA, 23-26 April 2007. pdf
A.R. Podgaets, W.J. Ockels: "Stability of Optimal Solutions: Multi- and Single-Objective Approaches". 1st IEEE Symposium on Computational Intelligence in Multicriteria Decision Making (MCDM 2007), Honolulu, HI, USA, 1-5 April 2007. pdf
J. Breukels, W.J. Ockels: “Past, present and future of kites and energy generation”. Power and Energy Systems Conference 2007, Clearwater, FL, USA, 3-5 January 2007. pdf
2006
A.R. Podgaets, W.J. Ockels: "Flight control and stability of a multiple kites tethered system".Renewable Energy 2006, Makuhari Messe, Chiba, Japan, 9-13 October 2006. pdf
W.J. Ockels, R. Ruiterkamp, B. Lansdorp: "Ship propulsion by Kites combining energy production by Laddermill principle and direct kite propulsion". Kite Sailing Symposium, Center for Wooden Boats/South Lake Union, Seattle, WA, 28-30 September 2006. pdf
B. Lansdorp, P. Williams: "The Laddermill - Innovative Wind Energy from High Altitudes in Holland and Australia". Global Windpower 2006, Adelaide, Australia, 18-21 September 2006. pdf
A.R. Podgaets, W.J.Ockels: "Problem of Pareto-Optimal Control for a High Altitude Energy System". 9th World Renewable Energy Congress (WREC IX), Florence, Italy, 19-25 August 2006. pdf
A.R. Podgaets, W.J.Ockels: "Three-dimensional simulation of a Laddermill". 3rd Asian Wind Power Conference (WindPowerAsia2006), Beijing, China, 28-30 June, 2006. pdf
B. Lansdorp, W.J. Ockels: "Design and construction of a 2 kW Laddermill groundstation". Wind Power Asia 2006, Beijing, China, 28-30 June 2006.
2005
J. Breukels: "ASSET and the world of kites". Leonardo Times - Journal of the Society of Aerospace Engineering Students 'Leonardo da Vinci', No. 4, pp. 12-13, 2005. pdf
J. Breukels, W.J. Ockels: "Tethered kiteplane design for the Laddermill project". 4th World Wind Energy Conference & Renewable Energy Exhibition 2005, Melbourne, Australia, 2-5 November 2005. pdf
B. Lansdorp, B. Remes, W.J. Ockels: "Design and testing of a remotely controlled surfkite for the Laddermill". 4th World Wind Energy Conference & Renewable Energy Exhibition 2005, Melbourne, Australia, 2-5 November 2005. pdf
B. Lansdorp, W.J. Ockels: "Design of a 100 MW laddermill for wind energy generation from 5 km altitude", 7th World Congress on Recovery, Recycling and Re-Integration, Peking, China, 25-29 September 2005. pdf
B. Lansdorp, W.J. Ockels: "Comparison of concepts for high-altitude wind energy generation with ground based generator". 2nd China International Renewable Energy Equipment & Technology Exhibition and Conference, Beijing, China, 25-27 May 2005. pdf
2004
W.J. Ockels, B. Lansdorp, J. Breukels, G. Spierenburg: "The Laddermill: work in progress". European Wind Energy Conference & Exhibition, London, UK, 22-25 November 2004. pdf
2001
W.J. Ockels: "Laddermill, a novel concept to exploit the energy in the airspace". Aircraft Design, Vol. 4, No. 2-3, pp. 81-97, 2001. doi: 10.1016/S1369-8869(01)00002-7
1999
J.P. Meijaard, W.J. Ockels, A.L. Schwab: "Modelling of the dynamic behaviour of a laddermill, a novel concept to exploit wind energy". 3rd International Symposium on Cable Dynamics, Trondheim, Norway, pp.229-234, 16-18 August 1999. pdf |
