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Practical stability of nonlinear time-varying cascade systems. (English) Zbl 1203.93160
Summary: We investigate the practical stability problem of nonlinear time-varying cascade systems. We give some sufficient conditions that guarantee practical global uniform asymptotic stability and practical global uniform exponential stability of such dynamical systems.

##### MSC:
 93D05 Lyapunov and other classical stabilities (Lagrange, Poisson, $$L^p, l^p$$, etc.) in control theory 34D20 Stability of solutions to ordinary differential equations 37B25 Stability of topological dynamical systems 37B55 Topological dynamics of nonautonomous systems 37N35 Dynamical systems in control 93A13 Hierarchical systems
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