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Development of position control based on continuously variable transmission (CVT)

Abd Khalid, Muhammad Syauqat (2012) Development of position control based on continuously variable transmission (CVT). Masters thesis, Universiti Tun Hussein Onn Malaysia.


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Continuously Variable Transmission (CVT) is one of the latest technologies in automotive industries. Many researchers apply CVT in their system especially in speed control but not much was reported in position control. This project develops a control system design using the concept of CVT by replacing the fixed gearing system in conventional position control system into variable gear ratio. The variable gearing gearbox can be modeled by two continuously separated cones with different ratio banded by a belt that transfers the power from motor to the load. Simulation study in closed loop system is done to find how speed ratios can control position of the output load as the ratio change from under-drive to over-drive stage. Designed CVT system is analyzed based on settling-time, rise-time, peak-time, and overshoot compared to the conventional fixed gearing system. The output position of designed system can be controlled by only varying speed ratio, thus making system’s performance easily tuned from under-drive to over-drive stage. From the analysis, designed CVT model shows better in overshoot compared to the fixed gearing system. As a result, a system with CVT have advantage over fixed gear and add up a new degree of freedom in control system design, which position can be control by only varying the speed ratio instead of applied forward and feed gain.

Item Type: Thesis (Masters)
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL1-484 Motor vehicles. Cycles
Depositing User: Normajihan Abd. Rahman
Date Deposited: 28 Mar 2012 08:35
Last Modified: 28 Mar 2012 08:35
URI: http://eprints.uthm.edu.my/id/eprint/2399
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