Publication detail

Generalized Goertzel algorithm for computing the natural frequencies of cantilever beams

ONCHIS, D. RAJMIC, P.

Original Title

Generalized Goertzel algorithm for computing the natural frequencies of cantilever beams

Type

journal article in Web of Science

Language

English

Original Abstract

The paper proposes a fast algorithm for accurate estimation of frequency within a specified, narrow range. The algorithm is useful for the identification of the natural frequencies of cantilever beams for damage detections purposes. The procedure is based on the generalized Goertzel algorithm combined with apriori knowledge of the natural frequencies intervals for cantilever beams given their physical characteristics. We compare our approach with the Chirp Z-transform and several frequency or time-frequency methods to illustrate its advantages for online damage detection.

Keywords

Natural frequencies, Generalized Goertzel algorithm, FFT, Time-frequency, Spectrum, Chirp Z-transform, CZT, Damage detection

Authors

ONCHIS, D.; RAJMIC, P.

RIV year

2014

Released

1. 3. 2014

Publisher

Elsevier

ISBN

0165-1684

Periodical

SIGNAL PROCESSING

Year of study

2014

Number

96

State

Kingdom of the Netherlands

Pages from

45

Pages to

50

Pages count

6

URL

http://www.sciencedirect.com/science/article/pii/S0165168413003058

BibTex

@article{BUT101202,
  author="Darian {Onchis} and Pavel {Rajmic}",
  title="Generalized Goertzel algorithm for computing the natural frequencies of cantilever beams",
  journal="SIGNAL PROCESSING",
  year="2014",
  volume="2014",
  number="96",
  pages="45--50",
  doi="10.1016/j.sigpro.2013.07.026",
  issn="0165-1684",
  url="http://www.sciencedirect.com/science/article/pii/S0165168413003058"
}