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References<br />

Wb(r) blade effective weighting function<br />

W(Fℓ,Rℓ) lidar range weighting function<br />

wm wind speed disturbance preview measurement<br />

wt wind disturbance at the turbine<br />

x longitudinal (along-wind) direction<br />

y transverse (horizontal) direction; output error variable from the turbine<br />

y0 collective component of output error variable from the turbine<br />

yh horizontal component of output error variable from the turbine<br />

yv vertical component of output error variable from the turbine<br />

z vertical direction<br />

γ2 ab (f)<br />

∆h<br />

ˆ∆h<br />

coherence between signals a and b<br />

horizontal shear wind speed component<br />

estimate of horizontal shear component from lidar measurements<br />

∆v vertical shear wind speed component<br />

ˆ∆v estimate of vertical shear component from lidar measurements<br />

θR rotor position<br />

ψ azimuth angle in rotor plane<br />

Ωg generator speed<br />

ΩR rotor speed<br />

Bir, B. (2008) Multiblade coordinate transformation and its application to wind turbine analysis. Proc. AIAA<br />

Aerospace Sciences Meeting, Reno, NV<br />

Bossanyi, E. A. (2005) Further load reductions with individual pitch control. Wind Energy 8:481–485<br />

Bossanyi, E. A. (2012) Un-freezing the turbulence: Improved wind field modeling for investigating lidar-assisted<br />

wind turbine control. Proc. European Wind Energy Association Annual Event (EWEA), Copenhagen, Denmark<br />

Bossanyi, E. A., Kumar, A., and Hugues-Salas, O. (2012b) Wind turbine control applications of turbinemounted<br />

lidar. Proc. Science of Making Torque from Wind, Oldenburg, Germany<br />

Dunne, F., Pao, L. Y., Wright, A. D., Jonkman, B., Kelley, N., and Simley, E. (2011a) Adding feedforward<br />

blade pitch control for load mitigation in wind turbines: Non-causal series expansion, preview control, and<br />

optimized FIR filter methods. Proc. AIAA Aerospace Sciences Meeting, Orlando, FL<br />

Dunne, F., Pao, L. Y., Wright, A. D., Jonkman, B., and Kelley, N. (2011b) Adding feedforward blade pitch<br />

control to standard feedback controllers for load mitigation in wind turbines. Mechatronics 21:682–690<br />

Dunne, F., Schlipf, D., Pao, L. Y., Wright, A. D., Jonkman, B., Kelley, N., and Simley, E. (2012) Comparison<br />

of two independent LIDAR-based pitch control designs. Proc. AIAA Aerospace Sciences Meeting, Nashville,<br />

TN<br />

Franklin, G. F., Powell, J. D., and Emami-Naeini,A. (2006) Feedback control of dynamic systems, fifth edition,<br />

Pearson Prentice Hall<br />

Frehlich, R. and Kavaya, M. (1991) Coherent laser performance for general atmospheric refractive turbulence.<br />

Applied Optics 30:5325–5352<br />

Frehlich, R., Meillier, Y., Jensen, M., Balsley, B. and Sharman, M. (2006) Measurements of boundary layer<br />

profiles in an urban environment. Applied Meteorology and Climatology 45:821–837<br />

Harris, M., Hand, M., and Wright, A. (2005) Lidar for turbine control, NREL/TP-500-39154, Tech. Rep.,<br />

National Renewable Energy Laboratory, Golden, CO<br />

Harris, M., Bryce, D., Coffey, A., Smith, D., Birkemeyer, J., and Knopf, U. (2007) Advance measurements of<br />

gusts by laser anemometry. Wind Engineering and Industrial Aerodynamics 95:1637–1647<br />

Hazell, A. (2008) Discrete-Time Optimal Preview Control, Ph.D. Thesis, Imperial College, University of<br />

London, London, England<br />

IEC (2001) IEC 61400-13 Ed. 1: Wind turbine generator systems: Measurement of mechanical loads. Int.<br />

Electrotechnical Commission<br />

IEC (2005) IEC 61400-1 Ed. 3: Wind turbines - Part 1: Design requirements. Int. Electrotechnical Commission<br />

Jonkman, J. and Buhl, M. (2005) FAST user’s guide, NREL/TP-500-38230, Tech. Rep., National Renewable<br />

Energy Laboratory, Golden, CO<br />

218 <strong>DTU</strong> Wind Energy-E-Report-0029(EN)

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