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임성근 ( Sungkeun Lim ),최광준 ( Kwangjun Choi ),노경환 ( Kyunghwan Noh ),백진희 ( Jin-hee Baek ) 한국농공학회 2022 한국농공학회 학술대회초록집 Vol.2022 No.-
Due to the recent warming of the Korean Peninsula, global climate change and meteorological disasters such as heavy rain and typhoons has increased. Because the agricultural reservoir was designed without a flood control function such as pre-discharge and emergency discharge, there is a limit to the operation to prevent flood damage. In addition, there is a risk of facility damage due to natural hazards and performance degradation aging, and flood damage to agricultural land and facilities occurs frequently. Therefore, in other to minimize the many lives and untold property damage caused by the collapse of medium-sized and small reservoirs, an ICT-based measurement system for forecasting collapse on-site and Web-based management system were established. The displacement at a location of reservoir slope was measured within a maximum of 40.0 mm in the case of a surface inclinometer and within a maximum of 25.0mm in the case of an external displacement GPS. We also plan to gradually expand ICT-based smart disaster prevention and measurement system so that we can quickly respond to crisis situations such as heavy rain and earthquakes for the facilities maintenance.
임성근(Sungkeun Lim),고명수(Myungsoo Ko) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
The objective of manual transmisson vehicle quick start test is to verify the strenth of driveline and MT’G.. In this study, The input force of driveline and each MT’G was measured and the method of measurement was proposed. We found five factors which affect impact force, and improve the effect of those through vehicle test. Finally, We suggested opinion to reduce impact force.
4WD 차량의 구동 및 핸들링 성능 향상을 위한 토크 배분 제어 방법
이지수(Jisoo Lee),하성기(Seongki Ha),박재일(Jaeil Park),임성근(Sungkeun Lim),김두현(Doohyun Kim),강헌(Heon Kang) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
A four Wheel Drive(4WD) system was developed to improve primary trdction performance(off-road drive, hill climb etc). It has made to improve fuel economy, endurance and handling performance since electronic 4WD system was developed. Recently, the research is progressing about distributing optimal torque of each wheel. This paper proposes control method to improve traction and handling performance between wheel torque distributions for 4WD system. This control system consists of slip control, handling control, preload control and NVH control. This control logic was confirmed by dynamic simulation using CarSim and MATLAB/Simulink. Finally, we evaluated this control algorithm by testing vehicle. We accomplished to improve tractirn and handling performance through optimal torque distribution control.