Second and Third Generation CRONE Control-System Design

Lanusse, Patrick; Sabatier, Jocelyn; Gruel, Dominique Nelson; Oustaloup, Alain

doi:10.1007/978-94-017-9807-5_3

Cited by 4 publications

(1 citation statement)

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“…The Oustaloup method performs the approximation within a given frequency range, but it suffers from reduced accuracy on the limits of the frequency range of interest. This can be overcome by increasing the order of approximation at the expense of circuit complexity [13,[27][28][29][30]. Curve-fitting-based approximation offers improved accuracy compared to that offered by the Oustaloup method, but the main problem is that it is dependent on MATLAB software.…”

Section: Approximation Of Controller Transfer Functionmentioning

confidence: 99%

Design of Low-Voltage FO-[PD] Controller for Motion Systems

Malatesta

Kapoulea

Psychalinos

et al. 2021

JLPEA

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Fractional-order controllers have gained significant research interest in various practical applications due to the additional degrees of freedom offered in their tuning process. The main contribution of this work is the analog implementation, for the first time in the literature, of a fractional-order controller with a transfer function that is not directly constructed from terms of the fractional-order Laplacian operator. This is achieved using Padé approximation, and the resulting integer-order transfer function is implemented using operational transconductance amplifiers as active elements. Post-layout simulation results verify the validity of the introduced procedure.

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Section: Approximation Of Controller Transfer Functionmentioning

confidence: 99%