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- 저자 : 정해석(Haesok Jeong) (검색결과 3 건)
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김태은(Taeeun Kim),정해석(Haesok Jeong),민세원(Sewon Min) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
If the vehicle has the refrigerant cycle system with indoor heat exchanger in the HVAC, it is possible heating and cooling by changing refrigerant flow. A heat pump cycle system can be divided into two large, it is possible to A / C cycle, mainly used during the cooling, but it is possible to Heat Pump cycle, mainly used during the heating. This system is new technology and is very difficult to control and supplying constant heating energy into the cabin. And if the outside temperature is higher, air-conditioning load is increased and the potential failure possibility of Electric Compressor also is increased. And Electric Compressor operating noise is also growing, so user complains this noise. In addition, control is required to achieve optimal thermal comfort, with minimal power consumption for air conditioning. I want to study heat pump system that minimizes heat pump operating noise, determination of lower power consumption cycle.
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유상준(Sangjun Yoo),민세원(Sewon Min),정해석(Haesok Jeong),백창현(Changhyun Baek) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
The latest vehicle technology is concentrated in the fuel efficiency and alternative energy. The hybrid vehicle is the one of vehicles reflected the latest vehicle technology. To improve the fuel economy in a hybrid vehicle becomes more and more important recently. The energy consumption for interior heating in a vehicle affects the fuel economy. The calorie of heater is decided by the temperature of the engine coolant through the heater. So it needs to turn the engine on to keep the heater performance. It’s very important to reduce the time of the engine drive mode for interior heating. This paper presents the optimal climate system control method to improve fuel economy and thermal comfort in a hybrid vehicle by using a discharge temperature sensor. The climate controller can decide the optimized timing of "engine on request" to keep the appropriate calorie of heater on the motor drive mode because it"s possible to estimate the optimized calorie of heater to meet the requested discharge temperature target by using discharge air temperature sensor in the ‘temperature door control’ and the ‘engine on request’ algorithm.
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이한주(Hanjoo Lee),이정엽(Jeongyeop Lee),정해석(Haesok Jeong),민세원(Sewon Min) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
With advances in modern society’s technology, there have been a lot of products which substitute for person and pursue convenience. At the same time, the emotional quality level of people who utilize these products has also increased. Therefore, it is necessary to establish objective criteria which can substitute for people’s emotional assessment. The study’s main goal and significance are that handling feeling, the index of emotional assessment, of vehicle’s interior switches becomes quantifiable and is applied to design variable during the product development. However, we point out that there was a limitation on emotion’s objectification due to restricted quantity of examples, so we leave analysis of extensive handling feeling with a number of examples as remaining tasks.
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