Stable fractional Chebyshev differentiation matrix for the numerical solution of multi-order fractional differential equations

A Dabiri, EA Butcher - Nonlinear Dynamics, 2017 - Springer
This paper presents an algorithm to obtain numerically stable differentiation matrices for
approximating the left-and right-sided Caputo-fractional derivatives. The proposed …

Coefficient of restitution in fractional viscoelastic compliant impacts using fractional Chebyshev collocation

A Dabiri, EA Butcher, M Nazari - Journal of Sound and Vibration, 2017 - Elsevier
Compliant impacts can be modeled using linear viscoelastic constitutive models. While such
impact models for realistic viscoelastic materials using integer order derivatives of force and …

Efficient modified Chebyshev differentiation matrices for fractional differential equations

A Dabiri, EA Butcher - … in Nonlinear Science and Numerical Simulation, 2017 - Elsevier
This paper compares several fractional operational matrices for solving a system of linear
fractional differential equations (FDEs) of commensurate or incommensurate order. For this …

A numerical approach for solving a class of variable-order fractional functional integral equations

FK Keshi, BP Moghaddam, A Aghili - Computational and Applied …, 2018 - Springer
This paper proposes new discretization techniques to estimate variable-order fractional
integral operators based on the piecewise integro quadratic spline interpolation. The …

A computationally efficient method for tempered fractional differential equations with application

BP Moghaddam, JAT Machado, A Babaei - Computational and Applied …, 2018 - Springer
This paper investigates the numerical approximation of the tempered fractional integral by
using the Sinc-collocation scheme. The algorithm is extended to solve a class of tempered …

Optimal periodic-gain fractional delayed state feedback control for linear fractional periodic time-delayed systems

A Dabiri, EA Butcher, M Poursina… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper develops the fundamentals of optimal-tuning periodic-gain fractional delayed
state feedback control for a class of linear fractional-order periodic time-delayed systems …

Compatibility of the Paraskevopoulos's algorithm with operational matrices of Vieta–Lucas polynomials and applications

I Talib, ZA Noor, Z Hammouch, H Khalil - Mathematics and Computers in …, 2022 - Elsevier
In this study, the numerically stable operational matrices are proposed to approximate the
Caputo fractional-order derivatives by introducing an algorithm. The proposed operational …

Spacecraft attitude fractional feedback control using rotation matrices and exponential coordinates

M Nazari, EA Butcher, AK Sanyal - Journal of guidance, control, and …, 2018 - arc.aiaa.org
Two fractional proportional–integral–derivative controllers are proposed for rigid spacecraft
rotational dynamics. In the first strategy, the controller is developed on the tangent bundle of …

The spectral parameter estimation method for parameter identification of linear fractional order systems

A Dabiri, M Nazari, EA Butcher - 2016 American control …, 2016 - ieeexplore.ieee.org
This paper presents a new method to identify unknown parameters of linear fractional order
systems by discretizing it at the Gauss-Lobatto-Chebyshev collocation points. The proposed …

A new fractional integration operational matrix of Chebyshev wavelets in fractional delay systems

I Malmir - Fractal and Fractional, 2019 - mdpi.com
Fractional integration operational matrix of Chebyshev wavelets based on the Riemann–
Liouville fractional integral operator is derived directly from Chebyshev wavelets for the first …