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Transient identification using a fractional derivative model

Dag Lundström (Institutionen för signaler och system, Signalbehandling) ; Anders Karlström (Institutionen för signaler och system, Reglerteknik och automation)
European Control Conference, ECC 1999 - Conference Proceedings p. 2865 - 2868 . (1999)
[Konferensbidrag, refereegranskat]

Characterizations, control or analyses of dynamic systems often demand low order models in order to be feasible. Dynamic system studies that involve phenomena such as in-elasticity or energy dissipation yields reasonably low order models when fractional derivatives is used. Properties of impulse responses from such models are presented. The results show that both frequency and envelope changes are functions of the derivative order and can thus be used in a function approximation. A suboptimal parameter estimator for such model is presented. © 1999 EUCA.

Nyckelord: Estimation; Fractional derivatives; Impulse response; Transient

Denna post skapades 2015-12-02. Senast ändrad 2016-09-14.
CPL Pubid: 226892


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Institutioner (Chalmers)

Institutionen för signaler och system, Signalbehandling
Institutionen för signaler och system, Reglerteknik och automation (1900-2004)



Chalmers infrastruktur