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Journal ArticleDOI

Tuning of fractional order proportional integral/proportional derivative controllers based on existence conditions:

TLDR
The article shows that given a specific process and open-loop modulus and phase specifications, the gain crossover frequency must be selected such that the process phase fulfills an important condition (design constraint) and the proposed approach ensures that the tuning parameters of the fractional order controller will have a physical meaning.
Abstract
Fractional order proportional integral and proportional derivative controllers are nowadays quite often used in research studies regarding the control of various types of processes, with several pa...

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Citations
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Journal ArticleDOI

Spline collocation methods for seismic analysis of multiple degree of freedom systems with visco-elastic dampers using fractional models:

TL;DR: In this paper, the visco-elastic dampers can be designed for response reduction of dynamical systems, and they can be used for the modeling of viscoelastic materials.
Journal ArticleDOI

Robust fractional-order auto-tuning for highly-coupled MIMO systems.

TL;DR: A methodology, based on the Kissing Circle (KC) tuning method, is proposed to tune a fractional-order PI controller for these types of systems, where improved robustness is crucial and with this methodology the control performance does not deteriorate.
Proceedings ArticleDOI

Multiple UAVs Formation for Emergency Equipment and Medicines Delivery Based on Optimal Fractional Order Controllers

TL;DR: This article studies a leader-follower formation algorithm based on fractional order proportional-derivative (FOPD) controller for multiple unmanned aerial vehicles (UAVs) when tackling an emergency health case and demonstrates that the proposed approach outperforms the IOPD controller.
Proceedings ArticleDOI

An event based implementation of a fractional order controller on a non-Newtonian transiting robot.

TL;DR: The present study tackles the event-based implementation of fractional controllers by implementing a Fractional Order Proportional Derivative that controls the position of the nanorobot, validating the presented solution for implementing fractional order event based controllers.
Journal ArticleDOI

Fractional order proportional derivative control for first order plus time delay plants: achieving phase and gain specifications simultaneously:

TL;DR: The aim of the method in this paper is to achieve desired gain and phase specifications for robustness and performance of first order plus time delay plants controlled with a fractional order proportional derivative controller.
References
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Journal ArticleDOI

Fractional-order systems and PI/sup /spl lambda//D/sup /spl mu//-controllers

TL;DR: In this article, a fractional-order PI/sup/spl lambda/D/sup /spl mu/controller with fractionalorder integrator and fractional order differentiator is proposed.
Book

Fractional-order systems and control : fundamentals and applications

TL;DR: Fractional-order control strategies for Power Electronic Buck Converters have been discussed in this paper, as well as some nonlinear Fractionalorder Control Strategies for nonlinear control strategies.
Journal ArticleDOI

A novel auto-tuning method for fractional order PI/PD controllers.

TL;DR: A novel approach for the auto-tuning of fractional order controllers is proposed, based on a simple experiment that is able to determine the modulus, phase and phase slope of the process required in the computation of the controller parameters.
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