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김준규(Jun-Kyu Kim),송세일(Se-Il Song),김용환(Yong-Hwan Kim),박재홍(Jae-Hong Park),김상만(Sangman Kim) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
The evaluation of a powertrain system is one of the major issues to represent the overall vehicle performance. The test can be performed either as a part unit in a laboratory or as a vehicle on the proving ground. However, many disadvantages exist in the actual vehicle test - cost, danger, environment, etc. In this paper, a reliable test environment in a laboratory for the evaluation of the powertrain system is suggested. All parts related to the vehicle running performance are modularized and configured with 4 wheel drive transmission dynamometer. Then, the accelerating test, based on the actual vehicle test, is performed with the transmission dynamometer. The test results are compared to the actual vehicle test data. The test environment suggested in this research represents the performance of powertrain system well.
이동원(Dongwon Lee),지정훈(Junghoon Ji),송세일(Se-il Song),천동필(Dongpil Chun),박병균(Byungkyun Park),권혁빈(Hyuk-Bin Kwon) 한국자동차공학회 2007 한국자동차공학회 Symposium Vol.- No.-
AMT(automated manual transmission) has both advantages of AT(automatic transmission) and MT(manual transmission) through clutch and shift automation. AMT offers convenience to a driver like AT. In additionally, AMT is more efficient than MT through optimal shift control. We developed AMT using new shift mechanism and model-based design process. The developed AMT was installed at test vehicle, and basic tests and evaluations were peformed.
성형기계용 하이드로포밍 제어기 개발을 위한 유압시스템 모델링
문철우(Chulwoo Moon),이동원(Dong-Won Lee),송세일(Se-Il Song) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
Hydroforming application has been increased in interests in reducing weight of autombile for a vehicle design. Main issues are how the intensifier actuator and axial feeding actuators are controled for the hydroforming application. In this study, hydraulic system including intensifier and axial feeding actuators has been modeled for the development of hydroforming control system. The sevo-valve actuator system is modeled as a linearized equation for nonlinear flowrate charcteristic. The material to be hydroformed is modeled as a simple spring-damed system. The suggested hydraulic system is simulated with a control scenario for hydroforming mechanism in Matlab/Simulink environment. In the results, each axial feeding actuator follows well the referred position. Otherwise, limitation exists in force control for intensifier actuator because of the linearized material model.
윤득선(Duk Sun Yun),채동욱(Dong Wook Chae),강호준(Ho Joon Kang),송세일(Se Il Song) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
The active geometry control suspension, which is designed by HyundaiㆍKia Motor Company, is unique system. This system has installed at Sonata 2.4 model and it evaluated on vehicle performance before. This paper deals the reliability evaluation for the suspension system, therefore, it should contains wide range of test categories. However, authors focus on the proving ground test with single lane change, double lane change, and slalom passing histories. In addition, the results on the proving ground compare with the results of without active geometry control suspension system for the control logic reliability.