Zulhilmi, I. M. and Mohamad Heerwan, Peeie and Asyraf, S. M. and Ishak, I. M. (2019) Experimental study on effect of the emergency braking without anti-lock braking system to the vehicle dynamics behaviour. In: 5th International Conference On Mechanical Engineering Research (ICMER 2019), 30-31 July 2019 , Kuantan, Pahang, Malaysia. pp. 1-8.. (Unpublished)
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Abstract
An anti-lock braking system (ABS) is a basic skid control system that can prevent the tire from locking up. In an emergency braking situation, a high possibility that the skidding phenomenon can occur without ABS. This incident will become worse when an emergency braking is applied either on wet or dry surface. Although ABS is crucial to prevent collision, some vehicles still do not have ABS and the driver is not aware of how important it is. In order to prove the essential of an ABS, this study is aimed to analyse the vehicle’s dynamics behaviour during emergency braking on wet and dry surfaces. The experimental vehicle model is a Malaysia sedan car namely Proton Persona. This instrumented car is equipped with sensors, video camera and data acquisition system to determine the vehicle’s motion. In the experiment, when the vehicle reached maximum speed of 60 km/h, the driver will push the brake pedal firmly until the car stop. From the experimental results, the effect of emergency braking without ABS is clearly seen at the wheel speed. The tire locked up can be observed when emergency braking was applied on the wet surface. However, for the emergency braking on the dry surface, the tire is decreased gradually. This finding shows that without ABS, the vehicle is unsafe and accident can occur. The experimental data from this study also can be used as a guideline to a researcher and manufacturer in the development of ABS and safety system of the vehicle.
| Item Type: | Conference or Workshop Item (Lecture) |
|---|---|
| Uncontrolled Keywords: | Anti-Lock Braking System (ABS); Emergency Braking; Vehicle Dynamics; Slip Ratio; Safety System |
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
| Faculty/Division: | Faculty of Mechanical & Manufacturing Engineering Institute of Postgraduate Studies |
| Depositing User: | Pn. Hazlinda Abd Rahman |
| Date Deposited: | 03 Apr 2020 07:22 |
| Last Modified: | 03 Apr 2020 07:22 |
| URI: | http://umpir.ump.edu.my/id/eprint/27580 |
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