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Energy efficient electromagnetic actuated CVT system

Rahman, Mohammed Ataur and Sharif, Sazzad and Mohiuddin, A. K. M. and Rashid, Muhammad Mahbubur and Hossain, Altab (2014) Energy efficient electromagnetic actuated CVT system. Journal of Mechanical Science and Technology, 28 (4). pp. 1153-1160. ISSN 1738-494X E-ISSN 1976-3824

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Abstract

A continuously variable transmission (CVT) system transmits the engine/battery power to the car driving wheel smoothly and efficiently.Several types of CVT already been developed to improve the transmission losses while maintaining acceleration time. However,most of the CVT has some constraints in the actuation mechanism which led us to develop an innovative electromagnetic actuator for CVT. Simplified mathematical equations have been developed for the kinematics analysis of clamping forces of the CVT and electromagnetic forces of EMA. The EMA has been developed for  scale car with two sets of solenoid. Each of the two sets has been equipped with primary and secondary pulleys for pushing and pulling the movable sheave. The solenoid is operated by controlling the supply current with a fuzzy logic controller. A simulation based fuzzy logic controller has been introduced here for identifying the desired current of the EMA actuation. The experimental results show that the EMA develops electromagnetic forces 301 N for the supply current of 3.37 amp, which makes the acceleration time of the car in the range of 2.5~3.5 sec and electromagnetic actuated CVT system highly energy efficient.

Item Type: Article (Journal)
Additional Information: 5264/36645
Uncontrolled Keywords: EMA-CVT; Clamping force; Electromagnetic force; Travelling time; Acceleration time; Fuzzy logic; Energy efficient
Subjects: T Technology > T Technology (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Prof. Dr. A K M Mohiuddin
Date Deposited: 16 May 2014 11:46
Last Modified: 13 Jun 2017 08:49
URI: http://irep.iium.edu.my/id/eprint/36645

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