The piezodrivers are often used in nanopositioning systems. They need very precise and in time operating. The possibility of neural networks ideology for such system controller designing is discussed in this paper.

Development of modern technologies is related to an increasing complexity of the objects controled and hence the systems controlling them. In the most cases, automatic control systems consist of different nonlinear elements that significantly limit the capabilities of classical control theory in designing controllers. In recent decades, the methodology of neural networks has been increasingly used lately. These networks may provide easier solutions to various complex control problems. Moreover, their basic elements (i.e., neurons) are nonlinear, and that is why neural networks are essentially nonlinear systems which can perform various control tasks. In this paper are investigated some new proposed structures, i.e., with so-called two separate inputs which allow to improve the dynamic characteristics of control system as well.

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