Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers

This study explores the dynamic response of passenger cars equipped with nonlinear passive shock absorbers, emphasizing the nonlinear damping characteristics over traditional linear models in simulating real-world driving conditions. To capture the nonlinear damping behavior, experimental data from...

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Main Authors: Avicenna An-Nizhami, Yusuf Dewantoro Herlambang, Nanang Apriandi, Bono Bono, Friska Ayu Fitrianti Sugiono, Ali Sai'in, Ignatius Gunawan Widodo, Padang Yanuar
Format: Article
Language:English
Published: Universitas Muhammadiyah Magelang 2025-03-01
Series:Automotive Experiences
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Online Access:https://journal.unimma.ac.id/index.php/AutomotiveExperiences/article/view/12792
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author Avicenna An-Nizhami
Yusuf Dewantoro Herlambang
Nanang Apriandi
Bono Bono
Friska Ayu Fitrianti Sugiono
Ali Sai'in
Ignatius Gunawan Widodo
Padang Yanuar
author_facet Avicenna An-Nizhami
Yusuf Dewantoro Herlambang
Nanang Apriandi
Bono Bono
Friska Ayu Fitrianti Sugiono
Ali Sai'in
Ignatius Gunawan Widodo
Padang Yanuar
author_sort Avicenna An-Nizhami
collection DOAJ
description This study explores the dynamic response of passenger cars equipped with nonlinear passive shock absorbers, emphasizing the nonlinear damping characteristics over traditional linear models in simulating real-world driving conditions. To capture the nonlinear damping behavior, experimental data from a shock absorber testing apparatus was utilized to derive an empirical formula. The damping force was modeled using a seventh-order polynomial equation, accurately representing the force-velocity relationship. This nonlinear damping model was integrated into a half-car suspension model, which was subjected to simulations involving two road profiles: a bump and an irregular sinusoidal road profile. Simulations demonstrated that the nonlinear model outperformed its linear counterpart, particularly in vibration control. It achieved significant reductions in body displacement, body acceleration, and suspension deflection, with notable improvements at resonance speeds. Root Mean Square (RMS) analysis further corroborated the nonlinear model's superior damping performance, showing lower displacement and acceleration values compared to the linear model.  The findings indicate the effectiveness of nonlinear damping models in enhancing ride comfort and vehicle stability, providing a more realistic and effective framework for vehicle dynamic analysis compared to conventional linear approaches.
format Article
id doaj-art-e8565530bdb440079c848598bcf25ace
institution OA Journals
issn 2615-6202
2615-6636
language English
publishDate 2025-03-01
publisher Universitas Muhammadiyah Magelang
record_format Article
series Automotive Experiences
spelling doaj-art-e8565530bdb440079c848598bcf25ace2025-08-20T01:57:44ZengUniversitas Muhammadiyah MagelangAutomotive Experiences2615-62022615-66362025-03-018110.31603/ae.12792Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock AbsorbersAvicenna An-Nizhami0Yusuf Dewantoro Herlambang1Nanang Apriandi2Bono Bono3Friska Ayu Fitrianti Sugiono4Ali Sai'in5Ignatius Gunawan Widodo6Padang Yanuar7Politeknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, IndonesiaPoliteknik Negeri Semarang, Indonesia This study explores the dynamic response of passenger cars equipped with nonlinear passive shock absorbers, emphasizing the nonlinear damping characteristics over traditional linear models in simulating real-world driving conditions. To capture the nonlinear damping behavior, experimental data from a shock absorber testing apparatus was utilized to derive an empirical formula. The damping force was modeled using a seventh-order polynomial equation, accurately representing the force-velocity relationship. This nonlinear damping model was integrated into a half-car suspension model, which was subjected to simulations involving two road profiles: a bump and an irregular sinusoidal road profile. Simulations demonstrated that the nonlinear model outperformed its linear counterpart, particularly in vibration control. It achieved significant reductions in body displacement, body acceleration, and suspension deflection, with notable improvements at resonance speeds. Root Mean Square (RMS) analysis further corroborated the nonlinear model's superior damping performance, showing lower displacement and acceleration values compared to the linear model.  The findings indicate the effectiveness of nonlinear damping models in enhancing ride comfort and vehicle stability, providing a more realistic and effective framework for vehicle dynamic analysis compared to conventional linear approaches. https://journal.unimma.ac.id/index.php/AutomotiveExperiences/article/view/12792Nonlinear dampingShock absorberDynamic responseVibration controlSuspension systemEmpirical formula
spellingShingle Avicenna An-Nizhami
Yusuf Dewantoro Herlambang
Nanang Apriandi
Bono Bono
Friska Ayu Fitrianti Sugiono
Ali Sai'in
Ignatius Gunawan Widodo
Padang Yanuar
Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
Automotive Experiences
Nonlinear damping
Shock absorber
Dynamic response
Vibration control
Suspension system
Empirical formula
title Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
title_full Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
title_fullStr Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
title_full_unstemmed Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
title_short Modeling the Dynamics of a Passenger Car Using Experimental Data on Nonlinear Passive Shock Absorbers
title_sort modeling the dynamics of a passenger car using experimental data on nonlinear passive shock absorbers
topic Nonlinear damping
Shock absorber
Dynamic response
Vibration control
Suspension system
Empirical formula
url https://journal.unimma.ac.id/index.php/AutomotiveExperiences/article/view/12792
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