International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Study of Suspension Effects on Braking Performance for Improving Driving Safety and Comfort

Abstract

Suspension systems are vital in determining the vehicle's response to various driving conditions, including braking maneuvers. This paper aims to investigate the impact of suspension characteristics on braking performance, to improve overall driving safety and comfort. This study used a sedan car model that drives on a straight track and cornering. Modeling was carried out using the Altair Motion view 2021 with two test cases: braking tests on a straight track and brake-in-turn tests with speeds of 30 km/h and 60 km/h. The results showed that in braking tests on a straight track, increasing suspension stiffness reduces longitudinal slip on the rear wheels and suspension travel on both the front and rear wheels. This reduction in longitudinal slip results in the actual wheel speed value getting closer to the wheel rotational speed. While in the brake-in-turn test, increasing stiffness affects the lateral slip of the rear wheels. This improves driving safety because it reduces the potential for the car to skid.

Country : Indonesia

1 Ismoyo Haryanto2 Toni Prahasto3 Gunawan Dwi Haryadi4 Farrel Theodore Kusuma Negara

  1. Mechanical Engineering Department, Diponegoro University, Jl. Prof. Jacub Rais, Tembalang, Semarang 50275, Indonesia
  2. Mechanical Engineering Department, Diponegoro University, Jl. Prof. Jacub Rais, Tembalang, Semarang 50275, Indonesia
  3. Mechanical Engineering Department, Diponegoro University, Jl. Prof. Jacub Rais, Tembalang, Semarang 50275, Indonesia
  4. Mechanical Engineering Department, Diponegoro University, Jl. Prof. Jacub Rais, Tembalang, Semarang 50275, Indonesia

IRJIET, Volume 8, Issue 10, October 2024 pp. 247-253

doi.org/10.47001/IRJIET/2024.810034

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