Design and fabricate rollover warning device for tractor-semitrailer

Samsudin, Muhammad Syuaib (2021) Design and fabricate rollover warning device for tractor-semitrailer. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Tractor-semitrailer collisions with rollover are among the deadliest forms of vehicle collisions. Numerous factors may contribute to the harm or death of an occupant. The purpose of this thesis is to explore the design and fabrication of a rollover warning device (RWD) for tractor semi-trailers, specifically those with a greater centre of gravity height to track width ratio. The RWD algorithm uses the rollover index to essentially learn the dynamics of a road vehicle and to estimate the vehicle's immediate roll stability in various dynamic situations. The state of dynamic roll stability, specifically the load transfer ratio (LTR), is fed into a RWD based on the rollover index algorithm in order to determine the value of the rollover index. Computer simulations were used to create the idea, and experimental data were used to validate it. Due to the device's passive nature, which needs the driver to take corrective action, its efficacy is limited to assisting with gradually increasing dangerous manoeuvres, such as those encountered during on-ramp manoeuvres. The parameters of the rollover index algorithm's block model are modified and optimised using Matlab software. Meanwhile, the present rollover trend warning system is analysed using the TruckSim programme. This algorithm for calculating the rollover index is based on the quickest time response offered by earlier research.

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