Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/6939
Título: Fractional Order Junctions
Autor: Machado, J. A. Tenreiro
Palavras-chave: Junctions
System modeling
Fractional Calculus
Data: 2015
Editora: Elsevier
Relatório da Série N.º: Communications in Nonlinear Science and Numerical Simulation;Vol. 20, Issue 1
Resumo: Gottfried Leibniz generalized the derivation and integration, extending the operators from integer up to real, or even complex, orders. It is presently recognized that the resulting models capture long term memory effects difficult to describe by classical tools. Leon Chua generalized the set of lumped electrical elements that provide the building blocks in mathematical models. His proposal of the memristor and of higher order elements broadened the scope of variables and relationships embedded in the development of models. This paper follows the two directions and proposes a new logical step, by generalizing the concept of junction. Classical junctions interconnect system elements using simple algebraic restrictions. Nevertheless, this simplistic approach may be misleading in the presence of unexpected dynamical phenomena and requires including additional “parasitic” elements. The novel γ-junction includes, as special cases, the standard series and parallel connections and allows a new degree of freedom when building models. The proposal motivates the search for experimental and real world manifestations of the abstract conjectures.
URI: http://hdl.handle.net/10400.22/6939
DOI: 10.1016/j.cnsns.2014.05.006
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S100757041400210X
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