Conceptual Design Of Drivetrain System For Beca Melaka

Hassan, Muhammad Faris (2017) Conceptual Design Of Drivetrain System For Beca Melaka. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Conceptual Design Of Drivetrain System For Beca Melaka.pdf - Submitted Version Download (366kB)

Abstract

Beca Melaka is one of the historical transportation method in the Melaka City. At the present moment, the traditional tricycle is powered by human effort, using conventional single gear-chain system. The current system has been proven able to handle robust operation, but required a lot of the driver's energy to move on inclined road condition. In this project, a new drivetrain system is develop to assist Beca drivers to move their tricycle especially on inclined road condition with less human effort. The new drivetrain proposed utilized a hybrid combination of the existing mechanical single gear-chain system with electric D.C motor system. The 24 N.m electrical D.C motor is powered through a rechargeable lead-acid battery rated at 12 V, 40 Ah. Using a customized gear coupling system (at gear ratio of 11:33) linking the existing gear with the input of motor, the new drivetrain design is able deliver up to 71.6 N.m of torque to move maximum 290kg of load through 12 degree road gradient at maximum 15 km/h. The overall drivetrain system design started with conceptual design of potential solutions, followed by concept design selection using Analytic Hierarchy Process (AHP) method. Later, the final concept design selected was modeled into 3D and 2D CAD drawings using SOLIDWORKS software. Finally, drivetrain system sizing was conducted to determine the required electric motor, battery and the customized gear coupling system specifications. The simple and compact final Beca Melaka hybrid drivetrain design developed in this project is expected able to provide more efficient performance to the tricycle, and help current Beca drivers to carry their passenger with less human energy especially on inclined road conditions.

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