H. Camblong, X. Guillaud, and V. Rogez (France)
Wind turbines, causal ordering graph, modelling.
This paper presents the comparison of two approaches for
Wind Turbines (WT) control design. The classical
approach analyses the system for choosing the controlled
variables before designing a linear controller. The second
approach consists on inversing a Causal Ordering Graph
(COG) representing the system in order to design a non
linear controller. After giving the main control objectives
and the modelling of the considered WT, the design of the
controllers in Partial (PL) and Full Load (FL) is
described. Simulations show that the two approaches give
similar results in PL and that the COG approach leads to a
better WT behaviour in FL.