Document Type

Conference Proceeding

Publication Date

1992

Publication Title

American Control Conference

Publisher

Institute of Electrical and Electronics Engineers

First page number:

867

Last page number:

870

Abstract

Sliding mode control is a standard approach to tackle the parametric and modeling uncertainities of a non-linear system. However, the robust control obtained by using sliding mode has a price, which is the high frequency chattering encountered during the digital implementation of the control. The idea of introducing a boundary layer around the switching surface and approximating a continuous control inside it has been extended for different kinds of systems. The systems should be analyzed to ascertain which continuous law is appropriate within the boundary layer. In this paper the effect of various continuous control approximations within the boundary layer to chattering and error convergence in different systems is studied.

Keywords

Automatic control; Chattering control (Control systems); Robust control; Sliding mode control

Comments

©1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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