期刊
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
卷 25, 期 1-3, 页码 27-40出版社
ELSEVIER
DOI: 10.1016/j.cnsns.2014.11.012
关键词
Adaptive control; Model reference; Fractional order system; Approximation; Discretization
In this paper, model reference control of a fractional order system has been discussed. In order to control the fractional order plant, discrete-time approximation methods have been applied. Plant and reference model are discretized by Grunwald-Letnikov definition of the fractional order derivative using Short Memory Principle''. Unknown parameters of the fractional order system are appeared in the discrete time approximate model as combinations of parameters of the main system. The discrete time MRAC via RLS identification is modified to estimate the parameters and control the fractional order plant. Numerical results show the effectiveness of the proposed method of model reference adaptive control. (C) 2014 Elsevier B.V. All rights reserved.
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