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자동화 수동 변속기(AMT) 기어 액추에이터의 설계 검증
최수길(Sugil Choi),조태영(Taeyoung Cho),최세빈(Sebin Choi) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
In this paper, shift performance of a pneumatic gear actuator is investigate. To obtain the shift force, dynamic model of the pneumatic gear actuator is constructed by using RecurDyn. The prototype of pneumatic gear actuator system is designed and implemented systematically, which is composed of an control valve, cylinder, double slide mechanism. As a result, the design of pneumatic gear actuator was verified through dynamic analysis result. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
최수길(Sugil Choi) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
In this paper, analyzed through the dynamic analysis of 2K-H type and 3K type planetary gear reducer system. 2K-H type reduction gear system was designed through the reverse engineering. The new 3K-type speed reducer system was modeled. The analysis result was compared through the Multibody dynamics analysis and Multi flexible dynamics analysis. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
최수길(Sugil Choi) 한국자동차공학회 2016 한국자동차공학회 학술대회 및 전시회 Vol.2016 No.11
In this paper, analyzed through the dynamic analysis of one motor type planetary gear reducer system. Planetary gear reducer system is concept design of 2K-H type. The analysis result was compared through the Multibody dynamics analysis. Left-right torque distribution was verification through simulation. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
동역학 해석을 통한 AMT 기어 액추에이터의 설계 검증
최수길(Sugil Choi),이형기(Hyunggi Lee) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
This paper presents design evaluation through the dynamic analysis of gear actuator of Automated Manual Transmission(AMT). The prototype of gear actuator system is designed and implemented systematically, which is composed of an electric motor, ball screw and slider-crank mechanism. Catia program was used to design of gear actuator. RecurDyn program was used to dynamic analysis of gear actuator. Dynamic model of the gear actuator is constructed by using RecurDyn and considering the rotational inertia of every component. As a result, the design of gear actuator was verified through dynamic analysis result. The current research will be a very useful tool in the near future for the dynamic analysis for the gear actuator.
단자대 및 전선 접속부의 불완전 접촉에 따른 아산화동 증식발열에 관한 실험적 연구
최수길(Sugil Choi),최유정(Yoojeong Choi),김시국(Sikuk Kim) 한국방재학회 2022 한국방재학회논문집 Vol.22 No.5
본 논문은 단자대 및 전선 접속부의 불완전 접촉에 의한 아산화동 증식발열에 관한 실험적 연구이다. 아산화동 증식 특성의경우 공급 전류가 증가할수록 증식속도가 가속되어 아산화동 생성물의 크기가 증대되었다. 전선과 단자대의 접촉불량에 따른진동 세기 별 온도특성은 진동의 횟수가 빠를수록 모든 조건에서 용융, 탄화, 아산화동 발생시간이 빠르게 나타났고 1.5 sq 절연전선의 경우 700 rpm, 900 rpm조건에서 접촉불량에 따른 아크에 의한 화염이 발생된 것을 확인할 수 있었다. 세부적으로성분분석을 통해 시료별 특성을 분석해본 결과 아산화동 증식 절연전선의 경우 Cu성분이 증가한 것을 확인할 수 있었으며, 합선에 의한 단락된 절연전선의 경우 Cu성분이 현저히 저하되어 뚜렷한 차이점이 나타났다. This paper presents an experimental study on the proliferative exotherm of copper oxide caused by incomplete contact between the terminal blocks and wire connections. The growth characteristics of copper oxide revealed that the growth rate and size of the copper oxide product increased with an increase in the current supply. As for the temperature characteristics by vibration intensity according to the contact failure between the wire and the terminal block, the faster the number of vibrations, the faster the melting, carbonization, and cuprous oxide generation times under all conditions. For the 1.5 sq. insulated wire, it was confirmed that the flame was generated due to the arc-to-contact mechanism at 700 rpm and 900 rpm. A detailed component analysis on the characteristics of each sample confirmed that the copper content increased in the copper-oxide-proliferated insulated wire. In contrast, the copper content was considerably low in the shorted insulated wire.
동역학 해석을 통한 자동화 수동 변속기(AMT) 기어 액추에이터의 설계 검증
최수길(Sugil Choi),조태영(Taeyoung Cho),이한구(Hangu Lee),최세빈(Sebin Choi) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
In this paper, shift performance of a pneumatic gear actuator is investigate. To obtain the shift force, dynamic model of the pneumatic gear actuator is constructed by using RecurDyn. The prototype of pneumatic gear actuator system is designed and implemented systematically, which is composed of an control valve, cylinder, double slide mechanism. As a result, the design of pneumatic gear actuator was verified through dynamic analysis result. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
최수길(Sugil Choi) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
In this paper, analyzed through the dynamic analysis of 2K-H type planetary gear reducer system. 2K-H type reduction gear system was designed through the reverse engineering. The analysis result was compared through the Multibody dynamics analysis and Multi flexible dynamics analysis. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
최수길(Sugil Choi) 한국자동차공학회 2017 한국자동차공학회 부문종합 학술대회 Vol.2017 No.5
In this paper, analyzed through the dynamic analysis of one motor type planetary gear reducer system. Planetary gear reducer system is concept design of 2K-H type. The analysis result was compared through the Multibody dynamics analysis. Left-right torque distribution was verification through simulation. Were obtained through Dynamic Analysis model the base model, optimization, and solve technical problems in future design changes or development designs.
자동화 수동 변속기(AMT) 기어 액추에이터의 동역학 해석을 통한 설계 검증
최수길(Sugil Choi),조태영(Taeyoung Cho) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
This paper presents design evaluation through the dynamic analysis of gear actuator of Automated Manual Transmission(AMT). The prototype of gear actuator system is designed and implemented systematically, which is composed of an electric motor, ball screw and slider-crank mechanism. Catia program was used to design of gear actuator. RecurDyn program was used to dynamic analysis of gear actuator. Dynamic model of the gear actuator is constructed by using RecurDyn and considering the rotational inertia of every component. As a result, the design of gear actuator was verified through dynamic analysis result. The current research will be a very useful tool in the near future for the dynamic analysis for the gear actuator.