Fractional systems state space description: some wrong ideas and proposed solutions

J Sabatier, C Farges… - Journal of Vibration and …, 2014 - journals.sagepub.com
This paper highlights several misinterpretations that arise in the field of fractional systems
analysis using a representation known in the literature as “state space description”. Given …

A new Legendre operational technique for delay fractional optimal control problems

AH Bhrawy, SS Ezz-Eldien - Calcolo, 2016 - Springer
In this paper, new operational matrices for shifted Legendre orthonormal polynomial are
derived. This polynomial is used as a basis function for developing a new numerical …

[HTML][HTML] State variables and transients of fractional order differential systems

JC Trigeassou, N Maamri, J Sabatier… - Computers & Mathematics …, 2012 - Elsevier
Fractional order differentiation is generally considered as the basis of fractional calculus, but
the real basis is in fact fractional order integration and particularly the fractional integrator …

Optimal synergetic control for fractional-order systems

S Djennoune, M Bettayeb - Automatica, 2013 - Elsevier
Nowadays, the control of fractional-order system is one of the most popular topics in control
theory. Recent studies have demonstrated the interest of fractional calculus both for systems …

[PDF][PDF] Stability analysis for discrete-time fractional-order LTI state-space systems. Part I: New necessary and sufficient conditions for the asymptotic stability

R Stanisławski, KJ Latawiec - Bulletin of the Polish Academy of …, 2013 - bibliotekanauki.pl
This paper presents a series of new results on the asymptotic stability of discrete-time
fractional difference (FD) state space systems and their finite-memory approximations called …

Initial conditions and initialization of linear fractional differential equations

JC Trigeassou, N Maamri - Signal processing, 2011 - Elsevier
Mastery of the initial conditions of fractional order systems remains an open problem, in spite
of a great number of contributions. This paper proposes a solution dedicated to linear …

[图书][B] Analysis, modeling and stability of fractional order differential systems 2: the infinite state approach

JC Trigeassou, N Maamri - 2019 - books.google.com
This book introduces an original fractional calculus methodology (the infinite state approach)
which is applied to the modeling of fractional order differential equations (FDEs) and …

On the sliding‐mode control of fractional‐order nonlinear uncertain dynamics

B Jakovljević, A Pisano, MR Rapaić… - International journal of …, 2016 - Wiley Online Library
This paper deals with applications of sliding‐mode‐based fractional control techniques to
address tracking and stabilization control tasks for some classes of nonlinear uncertain …

High-order sliding mode observer for fractional commensurate linear systems with unknown input

Z Belkhatir, TM Laleg-Kirati - Automatica, 2017 - Elsevier
In this paper, a high-order sliding mode observer (HOSMO) is proposed for the joint
estimation of the pseudo-state and the unknown input of fractional commensurate linear …

Constrained controllability of fractional linear systems with delays in control

B Sikora, J Klamka - Systems & Control Letters, 2017 - Elsevier
The paper presents finite-dimensional dynamical control systems described by linear
fractional-order state equations with multiple delays in control. The constrained controls are …