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Implementing Discrete-time Fractional-order Controllers
J. A. Tenreiro Machado
Dept. of Electrotechnical Engineering, Institute of Engineering of Porto Rua Dr. Antonio Bernardino de Almeida, 4200-072 Porto, Portugal
Received:September 6, 2001Accepted:September 30, 2001Published:September 20, 2001
Keywords:fractional calculus, control theory, discretetime controllers
Abstract
The theory of fractional calculus goes back to the beginning of the theory of differential calculus but its inherent complexity postponed the application of the associated concepts. In the last decade the progress in the areas of chaos and fractals revealed subtle relationships with the fractional calculus leading to an increasing interest in the development of the new paradigm. In the area of automatic control preliminary work has already been carried out but the proposed algorithms are restricted to the frequency domain. The paper discusses the design of fractional-order discrete-time controllers. The algorithms studied adopt the time domain, which makes them suited for z-transform analysis and discretetime implementation.
Cite this article as:J. Machado, “Implementing Discrete-time Fractional-order Controllers,” J. Adv. Comput. Intell. Intell. Inform., Vol.5 No.5, pp. 279-285, 2001.Data files:
