Research Article

On the Control of the 2D Navier–Stokes Equations with Kolmogorov Forcing

Figure 5

Adaptive control of the periodic regime of the slave system at to a steady state regime. The controller is switched on at time t = 30. (a) The -norm  =  vs. time. (b) The state of the slave system vs. time. (c) The phase portrait of the states of the slave system vs. . (d) Time evolution of , the estimate of .
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