Employment of the Padé approximation for implementing fractional-order lead/lag compensators

S Kapoulea, G Tsirimokou, C Psychalinos… - … -International Journal of …, 2020 - Elsevier
Fractional-order lead/lag compensator realizations, using Operational Transconductance
Amplifiers as active blocks, are presented in this paper. Two different types of fractional …

A Study on Fractional Power-Law Applications and Approximations

S Emad, AM Hassanein, AM AbdelAty, AH Madian… - Electronics, 2024 - mdpi.com
The frequency response of the fractional-order power-law filter can be approximated by
different techniques, which eventually affect the expected performance. Fractional-order …

Bilinear Double-Order Filter Designs and Application Examples

J Nako, C Psychalinos, F Khateb, AS Elwakil - IEEE Access, 2024 - ieeexplore.ieee.org
A novel kind of non-integer order bilinear filters, named double-order bilinear filters, is
introduced in this work. They are based on the employment of two non-integer orders …

A New Analytical Design Method of Controllers in Modified Parallel Cascade Structure for Stable, Integrating and Unstable Industrial Primary Processes including …

MČ Bošković, TB Šekara… - 2023 22nd International …, 2023 - ieeexplore.ieee.org
This paper presents an analytical method for designing controllers within a modified parallel
cascade control structure for stable, integrating, and unstable primary processes considering …

Design of cascaded and shifted fractional-order lead compensators for plants with monotonically increasing lags

G Maione - Fractal and Fractional, 2020 - mdpi.com
This paper concerns cascaded, shifted, fractional-order, lead compensators made by the
serial connection of two stages introducing their respective phase leads in shifted adjacent …

A New Method for Discretization of Continuous-time Systems Using the Padé Approximation Applied to IIR Filters

MČ Bosković, TB Šekara, M Maksimović… - 2022 International …, 2022 - ieeexplore.ieee.org
The paper presents an effective procedure for the discretization of linear continuous-time
systems applied to Infinite Impulse Response (IIR) filters. Unlike conventional techniques …

Design of low-voltage FO-[PD] controller for motion systems

R Malatesta, S Kapoulea, C Psychalinos… - Journal of Low Power …, 2021 - mdpi.com
Fractional-order controllers have gained significant research interest in various practical
applications due to the additional degrees of freedom offered in their tuning process. The …

OTA-C implementation of fractional-order lead/lag compensators

S Kapoulea, G Tsirimokou… - … Novel Intelligent and …, 2019 - ieeexplore.ieee.org
A novel topology that approximates the behavior of fractional-order lead/lag compensators is
introduced in this work. This is achieved using the Pade'approximation of the function of the …

[PDF][PDF] Robust control of robot manipulators using fractional order lag compensator

PD Mandić, MP Lazarević, TB Šekara… - Proc. 7th Int. Congr …, 2019 - researchgate.net
In this paper the fractional order lag compensator is introduced for the control of robot
manipulators. Mathematical model of the robotic system is derived using the Rodriquez …

An Optimal Approximation Technique for Fractional-order Lead Compensator Applied to a Car Suspension Problem

S Mahata, RR De Maity - 2023 14th International Conference …, 2023 - ieeexplore.ieee.org
This paper deals with the optimal approximation of fractional-order lead compensator
(FOLC). Stable, minimum-phase FOLC rational approximants are guaranteed using a …