Development Of A Simple CVT System

Em, Poh Ping (2009) Development Of A Simple CVT System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis details the work undertaken in a project to develop a simple continuously variable transmission(CVI} mechanism and to control the gear ratio of the CVI system. The aims of the project are develop a simple CVT mechanism. experiments identifications of the system's behavior and ratio control of the CVT system. The work entailed the development of a CVT transmission prototype capable of sliding the moveable half pulley by using the linear actuator motor. The CVT prototype developed is capable of testing the transmission at the controlled driver and driven linear actuator motor. The experimental work will carry out on the CVT prototype to validate the MAT-LAB simulation results of CVT ratio control behavior. The thesis will introduces a simple developed CVT control system and electronically controlled linear actuator motor to change the gear ratio.The axial clamping forces are based on the linear actuator to determine the distance of sliding in axial direction for moveable primary and secondary pulleys. The function of primary pulley is to determine the gear ratio while the secondary pulley is functioned as belt tensional to avoid slippage. Finally. some proposals are made to develop the CVT prototype that based on the electrically controlled CVT as compared to inefficient mechanical controlled CVT.

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