Analysis of Fractional-Order Discrete Controllers in the Presence of Nonlinearities

Barbosa, Ramiro; Tenreiro Machado, J. A.; Galhano, Alexandra

http://hdl.handle.net/10400.22/13245

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Authors

Barbosa, Ramiro

Tenreiro Machado, J. A.

Galhano, Alexandra

Abstract(s)

Presently, the development of fractional-order controllers is one of the most promising fields of research. However, most of the work in this area addresses the case of linear systems. In this paper we consider the analysis of fractional-order control of nonlinear systems. The performance of discrete fractional-order controllers in the presence of several nonlinearities is discussed. Some results are provided that assesses the superior robustness of such algorithms.