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http://dx.doi.org/10.5370/JEET.2017.12.6.2307

In-wheel Motor Design for an Electric Scooter  

Lee, Ji-Young (Electric Motor Research Center, Korea Electrotechnology Research Institute)
Woo, Byung-Chul (Electric Motor Research Center, Korea Electrotechnology Research Institute)
Kim, Jong-Moo (Electric Motor Research Center, Korea Electrotechnology Research Institute)
Oh, Hong-Seok (Star Group Industry Company (SGI))
Publication Information
Journal of Electrical Engineering and Technology / v.12, no.6, 2017 , pp. 2307-2316 More about this Journal
Abstract
The aim of this paper is to provide an optimal design of in-wheel motor for an electric scooter (E-scooter) considering economical production. The preliminary development in-wheel motor, which has a direct-driven outer rotor type attached to the E-scooter's rear wheel without any gear, is introduced first. The objective of the optimal design of this in-wheel motor is to improve the output characteristics of the motor and to have a stator form to facilitate automatic winding. Response surface methodology was used for the optimal design and 2-dimensional finite element method was used for electro-magnetic field analysis. Experimental results showed that the designed and fabricated in-wheel motor could satisfy the required specifications in terms of speed, power, efficiency, and cogging torque.
Keywords
Electric scooter (E-scooter); Finite element analysis; In-wheel motor; Response surface methodology;
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