[HTML][HTML] Numerical solution of multi-order fractional differential equations with multiple delays via spectral collocation methods

A Dabiri, EA Butcher - Applied Mathematical Modelling, 2018 - Elsevier
This paper discusses a general framework for the numerical solution of multi-order fractional
delay differential equations (FDDEs) in noncanonical forms with irrational/rational multiple …

A computational approach for the solution of a class of variable-order fractional integro-differential equations with weakly singular kernels

B Parsa Moghaddam… - Fractional Calculus and …, 2017 - degruyter.com
A new computational approach for approximating of variable-order fractional derivatives is
proposed. The technique is based on piecewise cubic spline interpolation. The method is …

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 …

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 …

Development of MADB of P‐I controller using LMI technique in a renewable energy based AGC system and study its application in a deregulated environment …

S Biswas, PK Roy, K Chatterjee - Optimal Control Applications …, 2023 - Wiley Online Library
In recent decades, inclusion of renewable resources is considered as one of the most
promising options for the long run uninterrupted power supply without depending on …

Numerical simulation for time-fractional diffusion-wave equations with time delay

Y Zhang, Z Wang - Journal of Applied Mathematics and Computing, 2023 - Springer
In this paper, compact finite difference schemes with (3-α)-th order accuracy in time and
fourth order accuracy in space based on the L 1 method are constructed for time-fractional …

Time analysis of forced variable-order fractional Van der Pol oscillator

BP Moghaddam, JA Tenreiro Machado - The European Physical Journal …, 2017 - Springer
This paper presents a new discretization technique for the forced Van der Pol oscillator with
variable order derivatives. The study introduces the variable-order fractional time derivatives …

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 …

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

A Dabiri, M Nazari, EA Butcher - 2016 American Control …, 2016 - ieeexplore.ieee.org
This paper proposes a new strategy to design an optimal fractional state feedback control for
linear fractional periodic time-delayed (FPTD) systems. Although there exist different …