A review of recent advances in fractional-order sensing and filtering techniques

CI Muresan, IR Birs, EH Dulf, D Copot, L Miclea - Sensors, 2021 - mdpi.com
The present manuscript aims at raising awareness of the endless possibilities of fractional
calculus applied not only to system identification and control engineering, but also into …

Optimal selection range of FCV power battery capacity considering the synergistic decay of dual power source lifespan

D Lu, D Hu, F Yi, J Li, Q Yang - International Journal of Hydrogen Energy, 2023 - Elsevier
To explore a new method for the selection of power battery capacity range considering the
synergistic decay of dual power source lifespan under the operating lifespan cycle of fuel …

A robustness analysis of a fuzzy fractional order pid controller based on genetic algorithm for a dc-dc boost converter

LFSC Pereira, E Batista, MAG de Brito, RB Godoy - Electronics, 2022 - mdpi.com
In this paper, a new topology of a Fractional Order PID (FOPID) controller is proposed to
control a boost DC-DC converter with minimum over/undershoot. The fractional controller …

Adaptive backstepping control for fractional order systems with input saturation

D Sheng, Y Wei, S Cheng, J Shuai - Journal of the Franklin Institute, 2017 - Elsevier
A fractional order adaptive backstepping control scheme is presented for an
incommensurate fractional order systems in the presence of input saturation. In order to …

Optimal design of fractional order low pass Butterworth filter with accurate magnitude response

S Mahata, SK Saha, R Kar, D Mandal - Digital Signal Processing, 2018 - Elsevier
Abstract The design of (1+ α) order, 0< α< 1, low pass Butterworth filter approximated in
terms of an integer order continuous-time transfer function using a nature-inspired …

Comparison of Fractional-Order Transfer Functions to Approximate Lowpass Butterworth Magnitude Responses

TJ Freeborn - Circuits, Systems, and Signal Processing, 2016 - Springer
Three fractional-order transfer functions are analyzed for differences in realizing (1+ α 1+ α)
order lowpass filters approximating a traditional Butterworth magnitude response. These …

Fractional order Sallen–Key and KHN filters: stability and poles allocation

A Soltan, AG Radwan, AM Soliman - Circuits, Systems, and Signal …, 2015 - Springer
This paper presents the analysis for allocating the system poles and hence controlling the
system stability for KHN and Sallen–Key fractional order filters. The stability analysis and …

Optimal approximation of fractional-order Butterworth filter based on weighted sum of classical Butterworth filters

S Mahata, N Herencsar, D Kubanek - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, a new two-steps design strategy is introduced for the optimal rational
approximation of the fractional-order Butterworth filter. At first, the weighting factors of the …

Approximated fractional-order inverse Chebyshev lowpass filters

TJ Freeborn, AS Elwakil, B Maundy - Circuits, Systems, and Signal …, 2016 - Springer
In this paper we use a least-squares fitting routine to approximate the stopband ripple
characteristics of fractional-order inverse Chebyshev lowpass filters which have fractional …

The application of fractional order control for an air-based contactless actuation system

ME Krijnen, RAJ van Ostayen, H HosseinNia - ISA transactions, 2018 - Elsevier
Industry pushes towards ever faster and more accurate production of thin substrates.
Contactless positioning offers advantages, especially in terms of risk of breakage and …