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**Controllability of 2-D nonlinear systems.**
*(English)*
Zbl 0896.93005

2-D systems described by nonlinear difference equations are considered in this paper. The nonlinear function is assumed to be continuously differentiable near the origin. Therefore a linear approximation of the nonlinear system in the neighbourhood of origin may be obtained.

It is shown that the nonlinear system is locally controllable if the linear approximation is globally controllable.

The results are illustrated by an example.

It is shown that the nonlinear system is locally controllable if the linear approximation is globally controllable.

The results are illustrated by an example.

Reviewer: R.Tracht (Essen)

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\textit{J. Klamka}, Nonlinear Anal., Theory Methods Appl. 30, No. 5, 2963--2968 (1997; Zbl 0896.93005)

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