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Fractional‐order controllers for irrational systems [PDF]

open access: yesIET Control Theory & Applications, 2021
In this contribution, fractional‐order controllers of the type PDμ and PIλ are applied to a class of irrational transfer function models that appear in large‐scale systems, such as networks of mechanical/electrical elements and distributed parameter ...
Adrian‐Josue Guel‐Cortez   +3 more
doaj   +3 more sources

Control quality enhancement by fractional order controllers [PDF]

open access: yesActa Montanistica Slovaca, 1998
Príspevok sa zaoberá regulátormi neceločíselného rádu. Uvádza matematický popis neceločíselných regulátorov a metódy ich návrhu. Kvalita a robustnosť regulátorov neceločíselného rádu je porovnaná s klasickými celočíselnými regulátormi.
Koštial Imrich   +2 more
doaj   +2 more sources

A relative analysis to cascaded fractional-order controllers in microgrid non-minimum phase converters using EHO [PDF]

open access: yesScientific Reports
Microgrids integrate various distributed energy resources to enhance energy reliability and sustainability. Power electronic converters are vital in microgrids since they provide efficient, reliable, and flexible operation. There are numerous controllers
N. R. Anisha Asmy   +4 more
doaj   +2 more sources

FOPI/FOPID Tuning Rule Based on a Fractional Order Model for the Process

open access: yesFractal and Fractional, 2022
This paper deals with the design of a control system based on fractional order models and fractional order proportional-integral-derivative (FOPID) controllers and fractional-order proportional-integral (FOPI) controllers.
Helber Meneses   +4 more
doaj   +1 more source

Stability comparison of different controllers for hydraulic turbine fractional order interval parameter time-delay system

open access: yesSystems Science & Control Engineering, 2023
This paper studies the stability comparison of four controllers for a hydraulic turbine fractional order interval parameter time-delay system. Considering the terms of parameter uncertainty and time-lag, the hydraulic turbine fractional order interval ...
Tian Tian, Jinhua Lv, Jian Tang
doaj   +1 more source

PSO technique applied to sensorless field-oriented control PMSM drive with discretized RL-fractional integral

open access: yesAlexandria Engineering Journal, 2021
This paper introduces a Fractional Order Field Oriented Control (FO-FOC) with sensorless Model Reference Adaptive System (MRAS) for the Permanent Magnet Synchronous Motor (PMSM).
Waleed Abd El Maguid Ahmed   +3 more
doaj   +1 more source

Fractional Order Control of Power Electronic Converters in Industrial Drives and Renewable Energy Systems: A Review

open access: yesIEEE Access, 2021
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 requirement of the future.
Preeti Warrier, Pritesh Shah
doaj   +1 more source

Survey Study of Factional Order Controllers

open access: yesJournal of Engineering, 2020
This is a survey study that presents recent researches concerning factional controllers. It presents several types of fractional order controllers, which are extensions to their integer order counterparts.
Omar Waleed Abdulwahhab   +1 more
doaj   +1 more source

Generalization of Reset Controllers to Fractional Orders

open access: yesMathematics, 2022
Reset control is a simple non-linear control technique that can help overcome the structural limitations of linear control. Fractional control uses the concept of fractional derivatives to expand the range of possibilities when modeling a controller ...
Henrique Paz, Duarte Valério
doaj   +1 more source

A computationally efficient robust voltage control for a single phase dual active bridge

open access: yesEnergy Reports, 2020
This paper proposes fractional and integer order sliding mode controllers (SMC) for the high voltage (HV) bridge control in a bidirectional dual active (DAB) converter.
Nasim Ullah   +7 more
doaj   +1 more source

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