Sliding modes in finite-time control systems with variable structure

Authors:
Gazenfer Rustamov;Manafaddin Namazov;Refik Samet
Affiliations:
Department of Automation and Control Systems, Azerbaijan Technical University, Baku, Azerbaijan;Department of Electrical and Electronics Engineering, Cumhuriyet University, Sivas, Turkey;Department of Computer Engineering, Ankara University, Ankara, Turkey
Venue:
ACMOS'07 Proceedings of the 9th WSEAS international conference on Automatic control, modelling and simulation
Year:
2007

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Abstract

This paper proposes a method for the organization of real sliding movements, which are caused by finite switching frequency of control systems. In one of two proposed structures for the organization of sliding modes, the control is formed according to the principle of feedback connections; in the other proposed structure, the control is formed according to the principle of discrete control where the discrete levels are defined by crossing (hitting) points on a hyperplane. The proposed method allows users to solve practically oriented problems of organization of sliding movements while taking into account real boundaries existing in systems. The proposed models are simulated using MATLAB/SIMULINK.