http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
위성혁(Sung-Hyeok Wi),유준열(Jun-Yeol Ryu),홍정표(Jung-Pyo Hong) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
Since the motor for EPS(Electric Power Steering) is an automobile part involved in wheel operation, it is necessary to consider the mechanical response as well as the electrical performance in design stage. Electrical and mechanical performance can be estimated by using both analytical method and finite element method. However, finite element method has the disadvantage such as hard preprocessing and long analysis time. Therefore, in this paper, it is aimed to estimate the electromechanical parameters through mathematical modeling and to improve the mechanical response efficiently by using the voltage equation and the motion equation with the simulink block model. In addition, the speed controller is designed to improve mechanical response. Finally, the mechanical response results of the base model and the improved model are compared through finite element method.
위성혁(Sung-Hyeok Wi),이수경(Soo-Gyung Lee),유준열(Jun-Yeol Ryu),정영훈(Young-hoon Jung),임명섭(Myung-Seop Lim) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
This paper proposes the method of design of ultra-high-speed motor for electric turbo charger considering mechanical stiffness. When the motor rotates at a high speed, there exists stiffness on the rotor, which is proportional to the rotating speed. Therefore, a design considering the mechanical stiffness of rotor is proposed in this paper. First, ranges of rotor outer diameter is determined in accordance with their mechanical stiffness. Then rest of design variables are determined considering design specification. In this paper, a ultra-high speed motor design considering mechanical stiffness of rotor and electric specification is conducted.
고정자 형상 변화를 통한 EV용 구동모터의 유기전압 고조파 저감 설계
위성혁(Sung-Hyeok Wi),진준우(Jun-Woo Chin),차경수(Kyoung-Soo Cha),박현진(Hyeon-Jin Park),홍정표(Jung-Pyo Hong) 한국자동차공학회 2019 한국자동차공학회 부문종합 학술대회 Vol.2019 No.5
This paper proposes the method of reducing induced voltage harmonics in high speed region through the stator optimal design of the electric vehicle traction moto. The design variables of the stator that are sensitive to lowering the induced voltage harmonics are selected using the analysis of variance(ANOVA). From the selected design variables, optimal design was carried out using the response surface method(RSM). Through the optimal design, the harmonic of the induced voltage is reduced so that the line to line induced voltage does not exceed the DC link voltage.
회전자의 기계적 강성을 고려한 터보차저용 초고속 모터 설계
위성혁(Sung-Hyeok Wi),이수경(Soo-Gyung Lee),유준열(Jun-Yeol Ryu),황성우(Sung-Woo Hwang),임명섭(Myung-Seop Lim) 한국자동차공학회 2020 한국자동차공학회 부문종합 학술대회 Vol.2020 No.7
This paper presents design process of ultra-high-speed motor for electric turbo charger considering mechanical stiffness. As the rotational speed of the motor increases, the stress of the rotor increases proportionally to the square of the rotational speed. Therefore, the design is carried out in consideration of not only electrical characteristics but also the mechanical stiffness and of the motor. In this paper, we proceed with the design of the ring type SPMSM with can for electric turbo charger using the following method. First, stress equations based on the radius of the rotor is derived from the equilibrium equations. Then limitation of the outer diameter of a rotor in consideration of stiffness is determined. And then rest of design variables are determined considering electrical characteristics of the motor.