Singular Control Systems
Design equations for fractional-order sinusoidal oscillators: Four practical circuit examples
International Journal of Circuit Theory and Applications
SIAM Journal on Numerical Analysis
The Minimal State Space Realization for a Class of Fractional Order Transfer Functions
SIAM Journal on Control and Optimization
Brief paper: Stability and resonance conditions of elementary fractional transfer functions
Automatica (Journal of IFAC)
Robust decentralized control of perturbed fractional-order linear interconnected systems
Computers & Mathematics with Applications
Robust asymptotical stability of fractional-order linear systems with structured perturbations
Computers & Mathematics with Applications
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This paper deals with issues related to the use of rational approximations in the simulation of fractional-order systems and practical implementations of fractional-order dynamics and controllers. Based on the mathematical formulation of the problem, a descriptor model is found to describe the rational approximating model. This model is analyzed and compared with the original fractional-order system under the aspects which are important in their simulation and implementation. From the results achieved, one can determine in what applications the use of rational approximations would be unproblematic and in what applications it would lead to fallacious results. In order to clarify this point, some examples are presented in which the effects of using rational approximations are investigated.