A collection of interdisciplinary applications of fractional-order circuits

An attractive feature of fractional calculus is its application in various interdisciplinary fields, extending from biomedical and biological notions to mechanical properties. For their description, fractional-order models have outperformed the corresponding integer-order models, resulting in a more realistic behavior, due to the additional degrees of freedom offered and the long-term memory effect that reflects the fractional order. These improved features are processed by appropriate circuit implementations, derived through several approximation methods, whose primary objective is to provide electronic tuning of their characteristics for being easily adapted to different conditions. The main circuit blocks, towards this direction, are fractional-order filters and fractional-order impedances, which are properly connected according to well-known models, for the study of specific functions of the corresponding sector. © 2022 Elsevier Inc. All rights reserved.