Results 21 to 30 of about 26,243 (274)

On fraction order modeling and control of dynamical systems [PDF]

open access: yes, 2009
This paper demonstrates the feasibility of modeling any dynamical system using a set of fractional order di®erential equations, including distributed and lumped systems.
Kahalil, Islam   +3 more
core   +1 more source

Autotuning method for a fractional order controller for a multivariable 13C isotope separation column [PDF]

open access: yes, 2015
The preferred controller design technique in industrial applications is based on autotuning procedures that do not involve knowledge about an actual mathematical model of the process.
De Keyser, Robain   +2 more
core   +2 more sources

Controlling Chaos for a Fractional-Order Discrete System

open access: yesIEEE Open Journal of Circuits and Systems, 2020
In this article two different controllers for the stabilization of a fractional-order discrete system in the left Caputo discrete delta operator sense are given.
Luis Alberto Quezada-Tellez   +2 more
doaj   +1 more source

Stability of closed-loop fractional-order systems and definition of damping contours for the design of controllers [PDF]

open access: yes, 2012
Fractional complex order integrator has been used since 1991 for the design of robust control-systems. In the CRONE control methodology, it permits the parameterization of open loop transfer function which is optimized in a robustness context.
Lanusse, Patrick   +2 more
core   +2 more sources

Symbolic Representation for Analog Realization of A Family of Fractional Order Controller Structures via Continued Fraction Expansion [PDF]

open access: yes, 2018
This is the author accepted manuscript. The final version is available from Elsevier via the DOI in this record.This paper uses the Continued Fraction Expansion (CFE) method for analog realization of fractional order differ-integrator and few special ...
Das, S, Das, S, Pakhira, A, Pan, I
core   +1 more source

A Review of Recent Developments in Autotuning Methods for Fractional-Order Controllers

open access: yesFractal and Fractional, 2022
The scientific community has recently seen a fast-growing number of publications tackling the topic of fractional-order controllers in general, with a focus on the fractional order PID.
Cristina I. Muresan   +4 more
doaj   +1 more source

A comparative study of fractional order PIλ /PIλ Dμ tuning rules for stable first order plus time delay processes [PDF]

open access: yes, 2016
Conventional PID tuning methods may not be sufficient to deal with complex processes of modern industry. For better control, fractional order PIλDµ controller was introduced as the generalization of classical PID controller with the help of non-integer ...
Dipesh Shikchand Patle   +3 more
core   +2 more sources

Selectable Fractional-order Controller for Industrial Control Designs [PDF]

open access: yesE3S Web of Conferences, 2023
Differential Equation (DE) of fractional-order specifically gives clear view of fractional-order systems. Since genuine processes are typically or most anticipated to be fractional, employing fractional-order’s concept might be results to take us closer ...
Walia Mandeep Singh   +2 more
doaj   +1 more source

Design and tuning of fractional-order PID controllers for time-delayed processes [PDF]

open access: yes, 2016
Frequency domain based design methods are investigated for the design and tuning of fractional-order PID for scalar applications. Since Ziegler-Nichol’s tuning rule and other algorithms cannot be applied directly to tuning of fractional-order controllers,
Edet, Emmanuel, Katebi, Reza
core   +1 more source

Robust fractional order PI control for cardiac output stabilisation [PDF]

open access: yes, 2019
Drug regulatory paradigms are dependent on the hemodynamic system as it serves to distribute and clear the drug in/from the body. While focusing on the objective of the drug paradigm at hand, it is important to maintain stable hemodynamic variables.
Birs, Isabela Roxana   +4 more
core   +2 more sources

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