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2016-06-04 10:26:54 조회수303
AUTHOR : 김해중, 이충성, 홍정표
ORGANIZATION : 한국자기학회
JOURNAL : Journal of Korean Magnetics Society
YEAR : 2015.06
VOL : 25, No.3
PAGE : 92-100

Electric Vehicle (EV) can be categorized by the driving method into in-wheel and in-line types. In-wheel type EV does not have

transmission shaft, differential gear and other parts that are used in conventional cars, which simplifies and lightens the structure

resulting in higher efficiency. In this paper, design method for in-wheel motor for automobiles using Parameter Map is proposed, and

motor with continuous power of 5 kW is designed, built and its performance is verified. To decide the capacity of the in-wheel motor

that meets the automobile's requirement, Vehicle Dynamic Simulation considering the total mass of vehicle, gear efficiency, effective

radius of tire, slope ratio and others is performed. Through this step, the motor's capacity is decided and initial design to determine the

motor shape and size is performed. Next, the motor parameters that meet the requirement is determined using parametric design that

uses parametric map. After the motor parameters are decided using parametric map, optimal design to improve THD of back EMF,

cogging torque, torque ripple and other factors is performed. The final design was built, and performance analysis and verification of

the proposed method is conducted by performing load test.

 
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