Fatigue strain signal behavior of automobile suspension system

Idris, Mohamad Iqmal Faris (2017) Fatigue strain signal behavior of automobile suspension system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Generally, spring suspension is one of the important part in automobile components which act to support and holds the body of the automobile from shaking and vibration. Driving become uncomfortable when automobile passes through the high magnitude road such as hills and small magnitude road such as road roughness. Therefore, this project discusses the fatigue life prediction of the spring suspension by obtaining the strain signal behaviour of two different road surface and the static analysis using Ansys workbench software. An investigation and analysis is done by Solidwork drawing, Ansys for static and Design life nCode software for fatigue analysis. The behaviour of strain signals was analysed by using statistical method. The damage and life cycle value of the spring suspension also been obtained by using commercial Design life software. Basically, the fatigue strain signal behaviour significantly influenced by the type of road surfaces which directly affected the damage and life cycle of the spring suspension. After all the information been identify, the fatigue life prediction can be done to evaluate the reliability and suitability of the spring. Perodua Myvi is choose in this project due to higher sales in Malaysia market and the result can be used in the future for further study.

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