Computing the matrix Mittag-Leffler function with applications to fractional calculus

R Garrappa, M Popolizio - Journal of Scientific Computing, 2018 - Springer
The computation of the Mittag-Leffler (ML) function with matrix arguments, and some
applications in fractional calculus, are discussed. In general the evaluation of a scalar …

Realization of a fractional-order RLC circuit via constant phase element

R Caponetto, S Graziani, E Murgano - International Journal of Dynamics …, 2021 - Springer
In the paper, a fractional-order RLC circuit is presented. The circuit is realized by using a
fractional-order capacitor. This is realized by using carbon black dispersed in a polymeric …

Model order reduction: a comparison between integer and non-integer order systems approaches

R Caponetto, JT Machado, E Murgano, MG **bilia - Entropy, 2019 - mdpi.com
In this paper, classical and non-integer model order reduction methodologies are compared.
Non integer order calculus has been used to generalize many classical control strategies …

An approach to optimal integer and fractional-order modeling of electro-injectors in compression-ignition engines

P Lino, G Maione, R Garrappa, S Holm - Control Engineering Practice, 2021 - Elsevier
The automotive industry continuously spends resources to reduce fuel consumption,
operating costs, and harmful emissions. Namely, regulations are becoming more restrictive …

Fractional-order modeling of high-pressure fluid-dynamic flows: An automotive application

P Lino, G Maione, F Saponaro - IFAC-PapersOnLine, 2015 - Elsevier
Performance of internal combustion engines is strictly affected by the metering of the air/fuel
mixture. Achieving accuracy in metering is difficult due to the complex fluid-dynamics of the …

Complex-order models: a system identification point of view

MN Kapetina, MR Rapaić, ZD Jeličić, P Lino… - Applied Sciences, 2022 - mdpi.com
The present paper proposes a framework for the systematic and fruitful application of
complex-order operators for modeling and control applications. We emphasize that special …

Numerical Simulation of Parallel RLC Model Using Different Fractional Derivative Operators

H Elminir, WE Raslan, IL El-Kalla - Journal of Engineering …, 2023 - journals.ekb.eg
In the current study, the theory of fractional calculus is applied to the electric parallel RLC
circuit. The aim of this article is to alter the concept of a parallel RLC circuit by applying …

Switching fractional-order controllers of common rail pressure in compressed natural gas engines

P Lino, G Maione - IFAC Proceedings Volumes, 2014 - Elsevier
This paper concerns fuel injection control of compressed natural gas engines. The main
operating conditions are considered and for each one a fractional-order PI controller is …

Model optimization and flow rate prediction in electro-injectors of diesel injection systems

R Garrappa, P Lino, G Maione, F Saponaro - IFAC-PapersOnLine, 2016 - Elsevier
Modelling and control of the injection process in common rail Diesel engines has attracted
the interest of many researches also in recent years. This paper adds a new contribution for …

Chaos in a fractional order duffing system: a circuit implementation

A Buscarino, R Caponetto, L Fortuna… - … on Systems, Man and …, 2019 - ieeexplore.ieee.org
In this paper, a fractional order representation and the related hardware realization of the
Duffing system are presented. The considered system can be defined as the general case of …