Autonomous electromagnetic continuously variable transmission for electric vehicle

Rahman, Mohammed Ataur and Abdul Jaffar, Hassan and Sany, Ihsan (2020) Autonomous electromagnetic continuously variable transmission for electric vehicle. In: 2020 11th IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON), 4th-7th November 2020, Vancouver, BC, Canada.

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Abstract

A continuously variable transmission (CVT) provides an infinite number of gear ratios depending on road conditions and vehicle speed, hence transferring power from the engine to the wheels more efficiently than traditional transmissions. The CVT is actuated by an electromagnetic actuator (EMA). The result of an EMA-CVT simulation based on a 16.67 kN passenger car showed that the EMA can develop electromagnetic forces in the range of 120 N to 210 N, equivalent to clamping forces, supplying current in the range of 6 to 9 A for maintaining the gear ratio of the vehicle transmission in the range from 1.1 to 5. Fuzzy Intelligent System (FIS) is used to make the CVT operate in stand-alone mode with EMA activation. FIS monitors the flow of power to the EMA based on the signal from the traction control sensor and the cruise control sensor. The results of experiments on the developed EMA prototype show that EMA develops an electromagnetic force in the range from 120 to 150 N, supplying current up to 10.50 A without a temperature spike of more than 40 ° C. According to the results of the experiment, it was concluded that an autonomous electromagnetic CVT can save 20 % energy, accumulating energy savings 75% from transmission system losses and 20% from weight reduction.

Item Type:	Conference or Workshop Item (Plenary Papers)
Additional Information:	5264/87600
Uncontrolled Keywords:	Intelligent system, Green Electromagnetism, CVT, Energy efficient.
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL1 Motor vehicles
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User:	Dr Md Ataur Rahman
Date Deposited:	12 Jan 2021 10:35
Last Modified:	25 Mar 2021 11:10
URI:	http://irep.iium.edu.my/id/eprint/87600

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