Spectral analysis method for vibration source evaluation in moving vehicle

Mohammad Hosseini Fouladi, Mohd. Jailani Mohd Nor, Othman Inayatullah, Ahmad Kamal Ariffin Mohd Ihsan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Seat vibration causes driver's discomfort and fatigue in moving vehicle. Various sources through different pathways are exciting a passenger cabin in movement. As long as aerodynamic effects are negligible at low speeds, tyre and engine vibration are considered as the two main contributors in this research. Virtual Source Analysis (VSA) is implemented to decompose the source signals into incoherent phenomena called virtual sources. Virtual source studies show the amount and frequency bands that physical sources affect the seat vibration as the response channel. Road roughness is characterized using International Roughness Index (IRI) while riding on smooth and bumpy roads. VSA technique approves that tyre is the main source of seat vibration for the moving vehicle. Seat vibration has significant values below 400 Hz and tyre is found to be the dominant source of excitations for both smooth and bumpy roads. For smooth road, strong engine harmonics below 200 Hz also has some involvements. But in bumpy road, tyre vibration rise up and become the dominant broadband source of excitations.

Original languageEnglish
Title of host publication16th International Congress on Sound and Vibration 2009, ICSV 2009
Pages1-8
Number of pages8
Volume1
Publication statusPublished - 2009
Event16th International Congress on Sound and Vibration 2009, ICSV 2009 - Krakow
Duration: 5 Jul 20099 Jul 2009

Other

Other16th International Congress on Sound and Vibration 2009, ICSV 2009
CityKrakow
Period5/7/099/7/09

Fingerprint

spectrum analysis
vehicles
vibration
evaluation
roads
tires
seats
engines
roughness
cabins
passengers
aerodynamics
low speed
excitation
broadband
harmonics
causes

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Fouladi, M. H., Mohd Nor, M. J., Inayatullah, O., & Mohd Ihsan, A. K. A. (2009). Spectral analysis method for vibration source evaluation in moving vehicle. In 16th International Congress on Sound and Vibration 2009, ICSV 2009 (Vol. 1, pp. 1-8)

Spectral analysis method for vibration source evaluation in moving vehicle. / Fouladi, Mohammad Hosseini; Mohd Nor, Mohd. Jailani; Inayatullah, Othman; Mohd Ihsan, Ahmad Kamal Ariffin.

16th International Congress on Sound and Vibration 2009, ICSV 2009. Vol. 1 2009. p. 1-8.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fouladi, MH, Mohd Nor, MJ, Inayatullah, O & Mohd Ihsan, AKA 2009, Spectral analysis method for vibration source evaluation in moving vehicle. in 16th International Congress on Sound and Vibration 2009, ICSV 2009. vol. 1, pp. 1-8, 16th International Congress on Sound and Vibration 2009, ICSV 2009, Krakow, 5/7/09.
Fouladi MH, Mohd Nor MJ, Inayatullah O, Mohd Ihsan AKA. Spectral analysis method for vibration source evaluation in moving vehicle. In 16th International Congress on Sound and Vibration 2009, ICSV 2009. Vol. 1. 2009. p. 1-8
Fouladi, Mohammad Hosseini ; Mohd Nor, Mohd. Jailani ; Inayatullah, Othman ; Mohd Ihsan, Ahmad Kamal Ariffin. / Spectral analysis method for vibration source evaluation in moving vehicle. 16th International Congress on Sound and Vibration 2009, ICSV 2009. Vol. 1 2009. pp. 1-8
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