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Article

Modal Analysis Using the Signal Processing Toolbox of Matlab 2017

1Technical university of Košice, Faculty of Mechanical Engineering, Letná 9, Košice, Slovakia


American Journal of Mechanical Engineering. 2017, Vol. 5 No. 6, 312-315
DOI: 10.12691/ajme-5-6-16
Copyright © 2017 Science and Education Publishing

Cite this paper:
Peter Pavelka, Róbert Huňady, Martin Kučinský. Modal Analysis Using the Signal Processing Toolbox of Matlab 2017. American Journal of Mechanical Engineering. 2017; 5(6):312-315. doi: 10.12691/ajme-5-6-16.

Correspondence to: Peter  Pavelka, Technical university of Košice, Faculty of Mechanical Engineering, Letná 9, Košice, Slovakia. Email: peter.pavelka@tuke.sk

Abstract

The paper deals with determination of modal parameters by two software applications. Experimental modal analysis was performed by the commercial system Pulse® designed for vibration analysis of mechanical structures. The system was used to obtain excitation signals and corresponding response signals. The measurement data were subsequently processed in Pulse ReflexTM software and Matlab 2017, of which the signal processing toolbox provides the new functionalities specially aimed for modal analysis. The toolbox contains functions to calculate frequency response functions and to estimate modal parameters. The aim of the article is to compare the results achieved by both softwares when the first approach realized using commercial system is considered as reference. The subject of this work is to evaluate the validity of the obtained results and to point out the possibilities that the new Matlab toolbox provides.

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