Author response for "MPC framework for constrained wind turbine individual pitch control"

Author(s):  
Vlaho Petrović ◽  
Mate Jelavić ◽  
Mato Baotić
2016 ◽  
Vol 11 (8) ◽  
pp. 1121-1128 ◽  
Author(s):  
Raja Muhammad Imran ◽  
Dil Muhammad Akbar Hussain ◽  
Mohsen Soltani ◽  
Raja Muhammad Rafaq

2021 ◽  
Vol 170 ◽  
pp. 1245-1256
Author(s):  
Daniel Ossmann ◽  
Peter Seiler ◽  
Christopher Milliren ◽  
Alan Danker

2011 ◽  
Vol 347-353 ◽  
pp. 2260-2267
Author(s):  
Wei Li ◽  
Hong Li Sun ◽  
Zuo Xia Xing ◽  
Lei Chen

Load fluctuation of wind turbine under tower shadow was researched,introducing individual pitch control. First,establish the linear time-varying model of the rotor,make it into the linear time invariant model through Coleman transformation. Then,based on this model,achieving the design of individual pitch system with PID controller. Comparing the loads of wind turbine under tower shadow between individual pitch control and collective pitch control and analysing the fatigue damage of wind turbine through rainflow cycle counting.The result shows that load fluctuation of wind turbine using the individual pitch control under tower shadow has better effect and reduces the effect of tower shadow,extend the working life of wind turbine.


Author(s):  
Zhongzhou Yang ◽  
Yaoyu Li ◽  
John E. Seem

Individual pitch control (IPC) for wind turbine load reduction in Region 3 operation is improved when wake interaction is considered. The Larsen wake model is applied for composing the rotor wind profile for downstream turbines under wake interaction. The wind profile of the turbine wake was generated by modifying the NREL’s TurbSim codes. The state-space models of wind turbine were obtained via linearization of wind turbine model available in the NREL’s aeroelastic design code FAST. In particular, in order to obtain more accurate state-space models, equivalent circular wind profile was generated so as to better determine the local pitch reference. Based on such models, IPC controllers were designed following the disturbance accommodating control (DAC) and periodic control framework. The simulation results showed that the turbine loads can be further reduced using the switching control scheme based on wake modeling, as compared with the generic DAC without wake consideration.


Author(s):  
Zhongpeng Liu ◽  
Feng Huo ◽  
Shuowen Xiao ◽  
Xuesong Zhang ◽  
Shilong Zhu ◽  
...  

2015 ◽  
Vol 2015 (0) ◽  
pp. _0509-1_-_0509-2_
Author(s):  
Harutaka OE ◽  
Hiroya MAMORI ◽  
Yasutada TANABE ◽  
Makoto YAMAMOTO ◽  
Hideaki SUGAWARA

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