Sistem Kawalan Brek Anti Kekunci (ABS)

Ahmad Anwar , Mohamed Sabri (2013) Sistem Kawalan Brek Anti Kekunci (ABS). Project Report. UTeM, Melaka. (Submitted)

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Abstract

Full vehicles model can be built and simulated in MATLAB SIMULINK. To ensure the validity of the model, the model must go through a verification process where the response and the features that available on the model should have reactions and features like the real vehicles. In this study, the full vehicle model of six degree of freedom (6 DOF), that is pitch, longitudinal acceleration and longitudinal speed for each vehicle wheel. The model has been successfully validated with several errors are that can be accepted. This vehicle model is experiencing a high longitudinal slip where the vehicle was still moving even though the brake input is applied. This is due to the wheel is locking that cause the tire slipping on the road surface. Hence, the antilock braking control system (ABS) has been developed in this study. Assessment has been made between the ABS control systems with the passive brake system. From the observation, longitudinal slip value for ABS control system is +0.2 while passive brake system is +1. In addition, the assessment of the performance between the two braking systems has been performed where the time and braking distance for ABS control system is less compared to passive brake system. These show that the longitudinal slip has been reduced and braking efficiency have been improved by using the ABS control system.

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