[PDF][PDF] Dynamic Analysis of the Vehicle on Ride Performance

MAF Norazmi, S Sulaiman… - Journal of Design for …, 2020 - fazpublishing.com
MAF Norazmi, S Sulaiman, MA Azizul
Journal of Design for Sustainable and Environment, 2020fazpublishing.com
A suspension system is one of the important components of a vehicle, which plays a crucial
role in handling performance and the ride comfort characteristics of a vehicle. The primary
function of the vehicle suspension system is to provide a comfortable ride, through isolation
of the vehicle body from road irregularities, and enhance the ride handling by producing a
continuous road-wheel contact. Therefore, the objective of this Bachelor Degree Project is to
study the seven degree-of-freedom (7-DOF) of vehicle ride model involves vehicles body …
Abstract
A suspension system is one of the important components of a vehicle, which plays a crucial role in handling performance and the ride comfort characteristics of a vehicle. The primary function of the vehicle suspension system is to provide a comfortable ride, through isolation of the vehicle body from road irregularities, and enhance the ride handling by producing a continuous road-wheel contact. Therefore, the objective of this Bachelor Degree Project is to study the seven degree-of-freedom (7-DOF) of vehicle ride model involves vehicles body and tire motion. A suitable type of vehicle is choose based on the previous study in the related field to study the three motion of unsprung and sprung motion. Accelerometer is installed on eight different parts of the full vehicle which is Perodua Myvi 1.3 L to sense the vertical motion of sprung and unsprung masses that are taken into account. Besides that, a gyro sensor is also being used to collect the data of vertical acceleration, pitch and roll of the vertical body. The vertical motion of the vehicle is being triggered by an obstacle that is prepared and put on a flat surface road that will be hit on it by the test vehicle. Three types of experiment will be conducted which are pitch motion, roll motion, and pitch and roll motion. The experiment was conducted with the vehicle speeds of 15, 25 and 35 km/h and the data were collected and analyzed. The data that have been analyzed state that unsprung masses gain more acceleration value compared to the sprung masses because of the impact that is not absorbed by any other system on the vehicle. The success of this project will able the researcher and consumer to improve the ride and handling performance of vehicle significantly.
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