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Transfer-function approximations of the rainflow filter
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Mathematics.
2002 (English)In: Mechanical Systems and Signal Processing, Vol. 16, p. 979-989Article in journal (Refereed) Published
Abstract [en]

The rainflow filter is a non-linear filter which can be used to eliminate small-amplitude oscillations in a signal. In this paper, two approaches for investigation of the filter by means of an approximating transfer function are presented. The estimates are obtained from rainflow-filtered spectral simulations. One method is based on clipped Gaussian processes, the other uses a spline interpolation in the filtered time series. Examples are given for processes with different types of spectral densities. A certain reduction of small-amplitude cycles is obtained by use of the transfer function, but the threshold effect, characteristic for the rainflow filter, is missed.

Place, publisher, year, edition, pages
2002. Vol. 16, p. 979-989
Identifiers
URN: urn:nbn:se:uu:diva-22070DOI: doi:10.1006/mssp.2001.1446OAI: oai:DiVA.org:uu-22070DiVA, id: diva2:49843
Available from: 2007-01-10 Created: 2007-01-10 Last updated: 2011-11-24

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Rydén, Jesper

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