Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
Robust VSS Type MRACS to Modeling Error
Kanya TANAKAAkira SIMIZU
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1993 Volume 6 Issue 1 Pages 64-70

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Abstract

In this paper, we present two design schemes of continuous-time model reference adaptive control system (MRACS) which are robust to modeling error of a plant. At first, we present a design scheme of MRACS in which we utilize a design approach of variable structure systems (VSS). In this design scheme, we can ensure robustness property of MRACS in the presence of modelling error by choosing appropriate parameters which are decided by the designer and make the output-error between the plant and the reference model asymptotically zero. However, it is possible that the use of VSS design approach causes chattering phenomena in this design scheme. To overcome this drawback, we also propose another design scheme in which we consider the prevention of chattering phenomena.

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