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고윤기(Youn-Ki Ko),송정한(Jung-Han Song),허훈(Hoon Huh),장종기(Jong-Ki Jang),김진웅(Jin-Woong Kim),김진영(Jin-Young Kim) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
A recent trend within the automotive industry has been an emphasis on the development of modular assemblies for future vehicle applications. So for a damper or spring of the suspension system, the existing method to design the system through the analysis for the individual components needs to converted to the methods to design the performance of damper-strut module within the vehicle environment. In particular, the development of system models that account for the interactions between components within a modular assembly is necessary to insure that a module is properly designed. In this paper finite element analysis for a damper module as installed in a McPherson strut front suspension is carried out. The results of a study of the structural behavior of a damper-strut module model include the analysis result applying the dynamic loading for the real vehicle environment and effects of changes in individual component specifications.
안광현(Kwanghyun Ahn),고윤기(Youn Ki Ko),허훈(Hoon Huh),김진성(Jin Sung Kim),정현승(Hyun Seung Jung),권태수(Tae Soo Kwon) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
A buffer stop is the device installed at the end of rail lines like railway station to prevent the derailment of a train. When the train cannot stop at the rail end due to some kinds of troubles, this device should absorb the crash energy and stop the train. In Germany, friction type buffer stops are installed at all railway station. Those devices can absorb the crash energy of the train by using the friction between a friction element and the rail when the train crashes into buffer stop. In Korean railway, however, there is no buffer system at the end of rail lines, so passengers and the train can be damaged significantly when the train doesn’t stop at the rail end. In previous study, the buffer stop with new concept, the progressive compression process, was suggested to replace the friction type buffer stop in Germany. A design modification of new concept buffer stop for the application to the real train is conducted in this study. For the real train crash test of new concept buffer stop, a test bench is introduced. By using the results of the real train crash test using test bench, the whole design of buffer stop, the whole frame and the progressive compression elements, will be determined.
안광현(Kwanghyun Ahn),고윤기(Youn Ki Ko),허훈(Hoon Huh),정현승(Hyun Seung Jung),권태수(Tae Soo Kwon) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
A buffer stop is the device installed at the end of rail lines like railway station to prevent the derailment of a train. When the train cannot stop at the rail end due to some kinds of troubles, this device should absorb the crash energy and stop the train. In Germany, friction type buffer stops are installed at all railway station. Those devices can absorb the crash energy of the train by using the friction between a friction element and the rail when the train crashes into buffer stop. In Korean railway, however, there is no buffer system at the end of rail lines, so passengers and the train can be damaged significantly when the train doesn’t stop at the rail end. In this study, buffer stop with new concept is suggested to replace the friction type buffer stop in Germany. A feasibility of buffer stop using progressive compression process is investigated by using numerical analysis; in addition, the design and concept for new system are suggested by parametric study. Experiment for the verification of feasibility is also carried out based on this study.
안광현(Kwanghyun Ahn),고윤기(Youn Ki Ko),허훈(Hoon Huh),정현승(Hyun Seung Jung),권태수(Tae Soo Kwon) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.5
A buffer stop is the device installed at the end of rail lines like railway station to prevent the derailment of a train. When the train cannot stop at the rail end due to some kind of trouble, this device should absorb the crash energy and stop the train. In Germany, friction type buffer stops are installed at all railway station. Those devices can absorb the crash energy of the train by using the friction between a friction element and the rail when the train crashes into buffer stop. In Korean' railway, however, there is no buffer system at the end of rail lines, so passengers and the train can be damaged significantly when the train doesn't stop at the rail end. In this study, buffer stop with new concept is suggested to replace the friction type buffer stop in Germany. A feasibility of buffer stop using progressive compression process is investigated by using numerical analysis; in addition, the design and concept for new system are suggested by parametric study. Experiment for the verification of feasibility is also carried out based on this study.