Approximation of a fractional order model by an integer order model: a new approach taking into account approximation error as an uncertainty

Abstract : In order to solve some analysis or control problems for fractional order models, integer order approximations are often used. However, in many works, approximation error is not taken into account, leading to results that cannot be guaranteed for the initial fractional order model. The objective of the paper is thus to provide a new methodology that takes into account approximation error and leads to rewrite the fractional order model as an uncertain integer order model.
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Contributor : Christophe Farges <>
Submitted on : Thursday, February 15, 2018 - 11:06:24 AM
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Jocelyn Sabatier, Christophe Farges, Lamine Fadiga. Approximation of a fractional order model by an integer order model: a new approach taking into account approximation error as an uncertainty. Journal of Vibration and Control, SAGE Publications, 2016, 22 (8), pp.2069 - 2082. ⟨10.1177/1077546314566665⟩. ⟨hal-01709683⟩

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