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차량운동학을 이용한 인휠모터 전기자동차의 선회특성 연구
김학선(Hacksun Kim),정영만(Youngman Jeong),양순용(Soonyoung Yang) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Differential existing car driving by the corner of the power and speed of each wheel, allowing varying stability wheels. Inhwilmoteo In the case of electric vehicles equipped with power units doemeuro corner of each wheel driving motor for each wheel by controlling the turning characteristics similar to conventional vehicles should have. In this paper, the steering angle and vehicle speed by turning on the speed of each wheel is defined. In addition, the formula defined by Carsim inhwilmoteo verify the authenticity and the electric car driving simulation modeling applied to analyze the results.
김학선(Hacksun Kim),정찬세(Chanse Jeong),이창돈(Changdon Lee),김용석(Yongseok Kim),양순용(Soonyoung Yang) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
Hybrid electric vehicles (HEV) combined with more than one power sources have great potential to improve fuel economy and reduce pollutant emissions, generally hybrid electric vehicles uses the internal combustion engine and the electric motor. The energy efficiency is high because of to control the motor and the engine at the optimum efficiency. In this paper, we introduce to production process and method of a self manufacturing hybrid electric vehicle hybrid electric. And we explain a developed a hybrid system by ourself and control method using LabVIEW program and visualization of measurement algorithm of this hybrid system.
인 휠 타입 전기자동차의 조향과 구동 휠 속도 관계에 관한 연구
김학선(Hacksun Kim),정찬세(Haerim Yang),양해림(Chanse Jeong),양순용(Soonyoung Yang) 한국자동차공학회 2011 한국자동차공학회 지부 학술대회 논문집 Vol.2011 No.4
We selected EV’s components and specification for the manufacturing of electric vehicles. and We made electric vehicle directly. Typical feature of our EV is method of motor drive. Two motors are installed to each rear wheel. So when our EV turn the corner, we need to control at each rear wheels. we measured steering angle, motor rpm and vehicle speed using DAQ. and We made program that control each wheel operation dependent on vehicle speed and steering angle. We used LabVIEW for date maesurment and making program.
김학선(Kim, HackSun),차진경(Cha, JinGyung) 한국간호교육학회 2012 한국간호교육학회지 Vol.18 No.3
Purpose: The purpose of this study was to investigate the experiences of nursing college students who are now pursuing a bachelor degree of nursing at a three year nursing school. Method: The study employs a Qualitative research method. For this study 19 nursing students of a reformed nursing college were interviewed. All of them are now taking the fourth-year classes. Results: The experiences of the interviewees are categorized into the following five themes: 1) Education reform news that could make the bachelor degree happen; 2) Relaxed but uncomfortably long winter break; 3) Looking forward to the fourth year of nursing education; 4) Facing the fourth year and possible double classes; and 5) Unregrettable choice. The study found that the students are putting their best effort forward for the fourth-year classes in a hope that the bachelor degree could rebuild their self-esteem and self-identity as a full-member of the nursing profession. They also hope that the existing societal prejudice and differential treatments toward them will disappear in future nursing practices. Conclusion: This study concludes with some practical implications for nursing education for reformed nursing schools.
자작형 전기 자동차 설계, 제작 및 System 구축에 관한 연구
김학선(Hacksun Kim),정찬세(Chanse Jeong),송인성(Insung Song),양순용(Soonyoung Yang) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
An electric Vehicle uses the system to a power source whether it limps a high efficiency, without environmental pollution. It coincides the best at the 21th century environmental regulation and energy frugality. The design and making of a self manufacture and AC Servo Motor control system for a speed control are carried out in this study. The Frame of a Self Manufacture Electric Vehicle is manufacturing, the system construct and speed control simulation using a variable resistor of Motor control system complete.
차량운동학을 이용한 인휠모터 전기자동차의 선회특성 연구
김학선(Hacksun Kim),정영만(Youngman Jeong),양순용(Soonyoung Yang) 한국자동차공학회 2011 한국자동차공학회 지부 학술대회 논문집 Vol.2011 No.10-2
Differential existing car driving by the corner of the power and speed of each wheel, allowing varying stability wheels. Inhwilmoteo In the case of electric vehicles equipped with power units doemeuro corner of each wheel driving motor for each wheel by controlling the turning characteristics similar to conventional vehicles should have. In this paper, the steering angle and vehicle speed by turning on the speed of each wheel is defined. In addition, the formula defined by Carsim inhwilmoteo verify the authenticity and the electric car driving simulation modeling applied to analyze the results.
김학선(Hacksun Kim),정찬세(Chanse Jeong),양순용(Soonyoung Yang) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
We selected EV’s components and specification for the manufacturing of electric vehicles. and We made electric vehicle directly. Typical feature of our EV is method of motor drive. Two motors are installed to each rear wheel. So when our EV turn the corner, we need to control at each rear wheels. we measured steering angle, motor rpm and vehicle speed using DAQ. and We made program that control each wheel operation dependent on vehicle speed and steering angle. We used LabVIEW for date maesurment and making program.
김학선(Hacksun Kim),정찬세(Chanse Jeong),양순용(Soonyoung Yang) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
We selected EV’s components and specification for the manufacturing of electric vehicles. and We made electric vehicle directly. Typical feature of our EV is method of motor drive. Two motors are installed to each rear wheel. So when our EV turn the corner, we need to control at each rear wheels. we measured steering angle, motor rpm and vehicle speed using DAQ. and We made program that control each wheel operation dependent on vehicle speed and steering angle. We used LabVIEW for date maesurment and making program.
정찬세(Chanse Jeong),김학선(Hacksun Kim),양해림(Haerim Yang),양순용(Soonyong Yang) 한국자동차공학회 2011 한국자동차공학회 지부 학술대회 논문집 Vol.2011 No.4
This Study suggests overspeed protection system. In the residential area or school zone, many vehicles drive fast. Overspeed vehicle is very dangerous for pedestrian and children. Few kind of residential area or school zone had speed bumps but the speed bumps does not overspeed protection. because the speed bumps shape, height, distance are not optimization. So in this study, suggests the overspeed protection using fuel cut. Fuel cut system decelerate the vehicle speed and recognize the driver that the vehicle located on residental area of school zone. Fuel system consist of the relay and the control board. In this study, fuel system verified through experimental result.