Linear fractional order controllers; A survey in the frequency domain

AA Dastjerdi, BM Vinagre, YQ Chen… - Annual Reviews in …, 2019 - Elsevier
Today, there is a great tendency toward using fractional calculus to solve engineering
problems. The control is one of the fields in which fractional calculus has attracted a lot of …

Fractional order control of power electronic converters in industrial drives and renewable energy systems: a review

P Warrier, P Shah - IEEE Access, 2021 - ieeexplore.ieee.org
The power electronics industry is undergoing a revolution driven by an industry 4.0
perspective, with smart and green/hybrid energy management systems being the …

Towards industrialization of FOPID controllers: A survey on milestones of fractional-order control and pathways for future developments

A Tepljakov, BB Alagoz, C Yeroglu, EA Gonzalez… - IEEE …, 2021 - ieeexplore.ieee.org
The interest in fractional-order (FO) control can be traced back to the late nineteenth century.
The growing tendency towards using fractional-order proportional-integral-derivative …

Observer-based robust control for fractional-order nonlinear uncertain systems with input saturation and measurement quantization

Y Tan, M **ong, D Du, S Fei - Nonlinear Analysis: Hybrid Systems, 2019 - Elsevier
The paper is concerned with the observer-based robust control problem for fractional-order
(FO) nonlinear uncertain systems subject to control input saturation and measurement …

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 …

Simple alternatives to PID-type control for processes with variable time-delay

D Copot, M Ghita, CM Ionescu - Processes, 2019 - mdpi.com
Process industries include chemicals, petrochemicals, pulp and paper, steel, minerals, food,
and power generation industries. Although diverse, all of these share common dynamics in …

Fractional-order precision motion control for mechatronic applications

SH HosseinNia, N Saikumar - Handbook of Fractional Calculus with …, 2019 - degruyter.com
This chapter deals with the design of both integer and fractional-order controllers for
precision mechatronic systems. System performance and robustness analysis in the …

A Novel Toolbox for Automatic Design of Fractional Order PI Controllers Based on Automatic System Identification from Step Response Data

CI Muresan, I Bunescu, I Birs, R De Keyser - Mathematics, 2023 - mdpi.com
This paper describes a novel automatic control toolbox, designed for non-experienced
practitioners. Fractional order (FO) controllers are easily tuned with the main purpose of …

[HTML][HTML] Variable Time Step Algorithm for Transient Response Analysis for Control and Optimization

I Reznichenko, P Podržaj, A Peperko - Fractal and Fractional, 2024 - mdpi.com
This work considers an optimization problem based on step response characteristics. We lay
a foundation for it by designing a rapid transient response analysis algorithm with variable …

[HTML][HTML] 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 …