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 …
This paper proposes new discretization techniques to estimate variable-order fractional integral operators based on the piecewise integro quadratic spline interpolation. The …
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 …
In this paper, we propose a high-accuracy linear B-spline finite-difference approximation for variable-order (VO) derivative. We consider VO fractional differentiation as a control …
EA Butcher, A Dabiri, M Nazari - Time delay systems: theory, numerics …, 2017 - Springer
In this chapter, two new methods are proposed to study the stability of linear fractional periodic time-delayed (FPTD) systems. First, the explicit harmonic balance (EHB) method is …
A Dabiri, LK Chahrogh… - 2021 American Control …, 2021 - ieeexplore.ieee.org
This paper is devoted to finding an explicit solution for the finite-horizon linear-quadratic regulator optimal control problem of linear time-invariant fractional-order systems based on …
This paper proposes a new computational scheme for approximating variable-order fractional integral operators by means of finite element scheme. This strategy is extended to …
A Dabiri, EA Butcher… - … and Information in …, 2016 - asmedigitalcollection.asme.org
In this paper, the fractional Chebyshev collocation (FCC) method is proposed to design fractional delay controllers for linear systems with periodic coefficients. In our previous study …
A Dabiri, M Nazari, EA Butcher - ASME …, 2016 - asmedigitalcollection.asme.org
In this paper, fractional Chebyshev collocation method is proposed to study Lyapunov exponents (LEs) and chaos in a fractional order system with nonlinearities. For this purpose …