The Analysis of Variable Structure System with the Non-Ideal Switching Device

A.V. Lebedev and V.F. Filaretov (Russia)


Analysis and design, robust control, variable structuresystem, sliding mode


The research of variable structure system with the non ideal switching device is carried out during its motion in the switching mode. The definition of this mode is given. The conditions of its existence and stability and also the condition of falling of the representative point in the switching area are obtained. The property of the robustness of variable structure system in the switching mode is formulated and proved. The maximum estimation of the accuracy of its work in comparison with the ideal sliding mode is obtained. The method of the reduction of the auto-oscillations amplitude is developed.

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