## Volume 3, No. 3, July 2014

#### General Information

• ISSN: 2278-0149 (Online)
• Abbreviated Title:  Int. J. Mech. Eng. Robot. Res.
• Editor-in-Chief: ​Prof Richard (Chunhui) Yang, Western Sydney University, Australia
• Associate Editor: Prof. B.V. Appa Rao, Andhra University; Prof. Ian R. McAndrew, Capitol Technology University, USA
• Managing Editor: Murali Krishna. B
• DOI: 10.18178/ijmerr
• Abstracting/Indexing: Scopus (since 2016), CNKI, Google Scholar, Crossref, etc.
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International Journal of Mechanical Engineering and Robotics Research
E-mail: ijmerr@vip.163.com

## Simulink Model of Suspension System and its Validation on Suspension Test Rig

B Ashtekar and A G Thakur
SRES, Kopargaon, University of Pune

Abstract—Suspension system is made to have the ride comfort. The vibrations are not transferred from tire to the passenger if suspensions are good. According to road profile vibrations are transferred through the suspension strut to the chassis (unsprung mass) to the sit and to the passenger. In this case the most important factor is vertical acceleration produced in sprung mass. So, reduction in the vertical acceleration gives the better ride comfort. Thus analysis of suspension is to be done for vertical acceleration. This paper emphasise on the effect of suspension parameters i.e. sprung mass, unsprung mass, damping value, suspension spring stiffness and tire stiffness on vertical acceleration. For analysis purpose, the simple quarter car model is considered. The equation of motions is obtained in the differential form. These equations of motion are basis for the Simulink model in MATLAB. This simulation will help to simulate parameters of suspension. Thus vertical accelerations are obtained at different working conditions and maximum values of accelerations will be obtained. Then same excitations are given to suspension test rig. These values are then actually verified on suspension test rig

Index Terms—Simulink model, Suspension test, RIG

Cite: J B Ashtekar and A G Thakur, "Simulink Model of Suspension System and its Validation on Suspension Test Rig," International Journal of Mechanical Engineering and Robotics Research, Vol. 3, No. 3, pp. 811-818, July 2014.

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