Research Article
On the Control of the 2D Navier–Stokes Equations with Kolmogorov Forcing
Figure 7
Adaptive control of the periodic regime of the slave system at to a symmetrized periodic state regime at the same Reynolds number. 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 and the estimate of .
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