<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this paper, an attempt is made to determine whether Cepstrum analysis can be applied to detect pure harmonic sine waveform acceleration-time signals in a frequency sub-band from the acceleration-time function of vehicle load platforms. Based on Cepstrum evaluation of specific measurement results at different speeds and under different road conditions, the analysis reveals that no frequency band exhibits full-period pure sinusoidal excitation, which casts doubt regarding usuage of sinusoidal sliding frequency tests for package shaking tests.</p>
</abstract>

In this paper, an attempt is made to determine whether Cepstrum analysis can be applied to detect pure harmonic sine waveform acceleration-time signals in a frequency sub-band from the acceleration-time function of vehicle load platforms. Based on Cepstrum evaluation of specific measurement results at different speeds and under different road conditions, the analysis reveals that no frequency band exhibits full-period pure sinusoidal excitation, which casts doubt regarding usuage of sinusoidal sliding frequency tests for package shaking tests.

Application of a Novel Methodology for the Detection of Harmonic Vibration in the Acceleration-Time Functions of Vehicle Platforms

Department of Applied Mechanics, Faculty of Mechanical Engineering, Informatics and Electrical Engineering

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this paper, an attempt is made to determine whether Cepstrum analysis can be applied to detect pure harmonic sine waveform acceleration-time signals in a...

Application of a Novel Methodology for the Detection of Harmonic Vibration in the Acceleration-Time Functions of Vehicle Platforms

Published Online: Nov 07, 2022

Page range: 139 - 148

DOI: https://doi.org/10.2478/scjme-2022-0024

Keywords
vehicle dynamics, resonance phenomena, FFT analysis, Cepstrum analysis, vibration acceleration measurement, acoustics

© 2022 Pidl Renáta, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Application of a Novel Methodology for the Detection of Harmonic Vibration in the Acceleration-Time Functions of Vehicle Platforms

Published Online: Nov 07, 2022

Page range: 139 - 148

DOI: https://doi.org/10.2478/scjme-2022-0024

Keywordsvehicle dynamics, resonance phenomena, FFT analysis, Cepstrum analysis, vibration acceleration measurement, acoustics

© 2022 Pidl Renáta, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
vehicle dynamics, resonance phenomena, FFT analysis, Cepstrum analysis, vibration acceleration measurement, acoustics