Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions

Considering that many Nigerian roads are untarred, the effect of frequent plying of these untarred roads on passengers and the expected performance of suspension system of vehicles are important for health and safety reasons. This is significant because the transmission of vibration associated with...

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Main Authors: Arinola Bola Ajayi, Ediketin Ojogho, Surajudeen Adedotun Adewusi, Sunday Joshua Ojolo, Julio Cesar Costa Campos, Antonio Marcos de Oliveira Siqueira
Format: Article
Language:English
Published: Universidade Federal de Viçosa (UFV) 2023-01-01
Series:The Journal of Engineering and Exact Sciences
Subjects:
Online Access:https://periodicos.ufv.br/jcec/article/view/15287
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author Arinola Bola Ajayi
Ediketin Ojogho
Surajudeen Adedotun Adewusi
Sunday Joshua Ojolo
Julio Cesar Costa Campos
Antonio Marcos de Oliveira Siqueira
author_facet Arinola Bola Ajayi
Ediketin Ojogho
Surajudeen Adedotun Adewusi
Sunday Joshua Ojolo
Julio Cesar Costa Campos
Antonio Marcos de Oliveira Siqueira
author_sort Arinola Bola Ajayi
collection DOAJ
description Considering that many Nigerian roads are untarred, the effect of frequent plying of these untarred roads on passengers and the expected performance of suspension system of vehicles are important for health and safety reasons. This is significant because the transmission of vibration associated with suspension systems are dependent on the frequency spectrum of the road input, and the nature of the suspension system and the vehicle seating arrangement that is producing the vibration. Thus, this study focuses on the discomfort experienced by passengers based on parametric study of vehicle with semi-active suspension system under transient road conditions.  The modeling of the of semi-active vehicle suspension system properties are contrived on the mass- spring damper system for 4 degree-of–freedom half- car model integrated with 3 degrees of freedom human-seat arrangement. Using vehicle parameters, the severity of ride discomfort experienced by the passenger as the vehicle traversed transient road conditions (i.e., traversing obstruction) was evaluated in terms of the vibration dose value (VDV). Results of simulation based on the parametric studies are presented and the vibration dose values evaluated to show the dependence of vehicle ride comfort on the characteristics of the various elements of the vehicle suspension such as stiffness and damping characteristics. The result showed that the variation of sprung mass and suspension stiffness of the vehicle had more significant effects on passenger discomfort than the variation of the unsprung mass. The parametric study also revealed that suspension stiffness affects the suspension working space as the vehicle traversed transient road condition.
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spelling doaj-art-2ed467db609644b789a2be55165481be2025-02-02T19:55:30ZengUniversidade Federal de Viçosa (UFV)The Journal of Engineering and Exact Sciences2527-10752023-01-019510.18540/jcecvl9iss5pp15287-01eParametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditionsArinola Bola Ajayi0Ediketin Ojogho1Surajudeen Adedotun Adewusi2Sunday Joshua Ojolo3Julio Cesar Costa Campos4Antonio Marcos de Oliveira Siqueira5Department of Mechanical Engineering, University of Lagos, Lagos, NigeriaDepartment of Aerospace Engineering, Lagos State University, Ojo, Lagos, NigeriaMechanical Engineering Department, Jubail University College, Saudi ArabiaDepartment of Mechanical Engineering, University of Lagos, Lagos, NigeriaFederal University of Viçosa, BrazilFederal University of Viçosa, Brazil Considering that many Nigerian roads are untarred, the effect of frequent plying of these untarred roads on passengers and the expected performance of suspension system of vehicles are important for health and safety reasons. This is significant because the transmission of vibration associated with suspension systems are dependent on the frequency spectrum of the road input, and the nature of the suspension system and the vehicle seating arrangement that is producing the vibration. Thus, this study focuses on the discomfort experienced by passengers based on parametric study of vehicle with semi-active suspension system under transient road conditions.  The modeling of the of semi-active vehicle suspension system properties are contrived on the mass- spring damper system for 4 degree-of–freedom half- car model integrated with 3 degrees of freedom human-seat arrangement. Using vehicle parameters, the severity of ride discomfort experienced by the passenger as the vehicle traversed transient road conditions (i.e., traversing obstruction) was evaluated in terms of the vibration dose value (VDV). Results of simulation based on the parametric studies are presented and the vibration dose values evaluated to show the dependence of vehicle ride comfort on the characteristics of the various elements of the vehicle suspension such as stiffness and damping characteristics. The result showed that the variation of sprung mass and suspension stiffness of the vehicle had more significant effects on passenger discomfort than the variation of the unsprung mass. The parametric study also revealed that suspension stiffness affects the suspension working space as the vehicle traversed transient road condition. https://periodicos.ufv.br/jcec/article/view/15287Frequency spectrum. Ride discomfort. Semi-active suspensions. Transient road condition. Vehicle parameters. Vibration dose value.
spellingShingle Arinola Bola Ajayi
Ediketin Ojogho
Surajudeen Adedotun Adewusi
Sunday Joshua Ojolo
Julio Cesar Costa Campos
Antonio Marcos de Oliveira Siqueira
Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
The Journal of Engineering and Exact Sciences
Frequency spectrum. Ride discomfort. Semi-active suspensions. Transient road condition. Vehicle parameters. Vibration dose value.
title Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
title_full Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
title_fullStr Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
title_full_unstemmed Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
title_short Parametric study of rider’s comfort in a vehicle with semi-active suspension system under transient road conditions
title_sort parametric study of rider s comfort in a vehicle with semi active suspension system under transient road conditions
topic Frequency spectrum. Ride discomfort. Semi-active suspensions. Transient road condition. Vehicle parameters. Vibration dose value.
url https://periodicos.ufv.br/jcec/article/view/15287
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