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로드 시뮬레이터를 이용한 차량의 저주파 도로 하중 재현 연구
유정민(Jungmin Ryoo),양준석(Junsuk Yang) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In present time, the character of industry is time reduction. As our society change rapidly, industry should change rapidly. Automobile industry change so much for past 100 years. Nowadays car is used only for transportation also life. At this time, many automobile companies keep at reduction of development period. In past time, we validate vehicle on the road. But, in present time, we don't have enough time to validate vehicle on road due to the taste of customer rapidly changed. It is a reason for many automobile companies to do their best at RLM (Road to Lab to Math) project Laboratory working takes place of the things to be done in the real road. Therefore, in this paper, the method to improve laboratorial simulation test is suggested by data editing and some technique.
4Post Road Simulator을 이용한 차량 내구 시험 방법 연구
유정민(Jungmin Ryoo),양준석(Junsuk Yang),한교진(Kyojin Han) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
In present time, all industries are rapidly changed by customer needs and do their best to adapt the customer. The key of automotive industry is also the reduction of the development period to adapt to the speedy change of customer needs. To do this, many automotive companies do their best at RLM (Road to Lab to Math). It results in extend the role of CAE (Computer Aided Engineering) and CAT (Computer Aided Testing). CAT work is focused on rapid test result and good correlation with real test. It is important to choose the test method for test period and test quality. Therefore, in this paper, the method to validate the vehicle durability performance is suggested using 4post road simulator.
Local Strain Method를 이용한 Torsion Beam Rear Axle 내구시험의 Lab to Road correlation 방법 연구
임재철(Jaechul Yim),유정민(Jungmin Ryoo),신현동(Hyundong Shin),양준석(Junsuk Yang),한교진(Kyojin Han) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Chassis parts of vehicle has been tried to be validated through a bench test in lab. Instead of a full vehicle test on road that a lot of time and costs are required of. In case of a bench test in lab., it is very important to correlate with full vehicle test result on road. Actually, reliability of a test depends on the correlation. Therefore, many engineers are making an efforts to have good correlation. Generally a simulation test is regarded as the most reliable test method. In this sense, durability of chassis system could be evaluated with 8ch Multi Axial Simulation Rig. 8ch test is the highest level test in lab. to evaluate torsion beam rear axle durability and it is capable to simulate 8-DOF. The study of purpose is to improve correlation of results between road and 8ch lab test for torsion beam rear axle using local strain on the part. It is also to improve correlation on lab test.
4POST Synthetic profile 을 이용한 차량 내구 시험 방법 연구
임준혁(Junhyuk Im),유정민(Jungmin Ryoo),양준석(Junsuk Yang),한교진(Kyojin Han) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
In present time, all industries are rapidly changed by customer needs and do their best to adapt the customer. The key of automotive industry is also the reduction of the development period to adapt to the speedy change of customer needs. To do this, many automotive companies do their best at RLM (Road to Lab to Math). It results in extend the role of CAE (Computer Aided Engineering) and CAT (Computer Aided Testing). CAT work is focused on rapid test result and good correlation with real test. It is important to choose the test method for test period and test quality. Therefore, in this paper, the method to validate the vehicle durability performance is suggested using 4post road simulator.
스티어링 기어, 크레들 및 어태치먼트 시스템의 내구 시험 방법 연구
박현정(Hyunjeong Park),임재철(Jaechul Yim),유정민(Jungmin Ryoo),양준석(Junsuk Yang),한교진(Kyojin Han) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
These days, chassis part validation has saved time and expenses by executing bench test in the lab instead of full vehicle road test. However, it shows difficulties to demonstrate all vehicle parts motion in the full vehicle simulation test due to test boundary condition. Especially, steering gear system is hard to be reproduced in the full vehicle simulation test because it is difficult to turn the steering wheel. To compensate these problems, several kinds of steering system tests are running in the lab, apart from full vehicle tests. This study is to address a method to validate steering gear, cradle, structure and attachment system laboratory durability test.