Electrical Engineering

C. Bharatiraja This email address is being protected from spambots. You need JavaScript enabled to view it.1, Atique Shaikh1 , Harshvardhan Katare1 , and Archita Modi1

1Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology ,SRM Nagar, Kattankulathur, 603203, Kanchipuram, Chennai, TN, India

 

Received: July 28, 2020
Accepted: October 21, 2020
Publication Date: April 1, 2021

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.


Download Citation: ||https://doi.org/10.6180/jase.202104_24(2).0012  


ABSTRACT

This paper investigates the modeling and analysis of a mechanism of controlled operation of two hub BLDC motors in the rear wheels of a 4-wheeler automobile. The conventional differential, employing gears are bulky, has lot of friction losses, they have complex assembly, high maintenance. The gears pose a risk of wearing out after long usage etc. In place of gears, we use electrically controlled motor, which is lighter than the earlier used mechanism, can be easily controlled and tweaked as per the requirement of the user. The motor can be easily coupled with the half shaft of the transmission system of wheels, which rotates it. The proposed system uses a BLDC motor, due to its high power to weight ratio compared to other motor types. The closed loop speed control technique is used for smooth transition of speed by employing hall position sensors for into the BLDC motor. The feedback speed the thus compared to the reference output speed and thus the commutation of the inverter switching is actuated accordingly. The speed variation on both wheels is achieved by changing of steering angle. The software used for output simulation result is MATLAB/SIMULINK.


Keywords: Electrical vehicle, E-differential mechanism, Rear Wheel drive, BLDC motor Drive


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