http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
배철용(Chulyong Bae),김찬중(Chanjung Kim),이봉현(Bonghyun Lee),권성진(Seongjin Kwon),나병철(Byungchul Na),김현철(Hyunchul Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Generally, a balance shaft for 4 cylinder diesel engine is an important component for the compensation of the inertia force due to dynamic unbalance at driving status. But in domestic vehicle industry, its development technique is limited to only manufacturing skills instead of design techniques. Therefore, on this study in order to present the basic design technique the dynamic characteristics of balance shaft are analysed using module experiments which are the vibration test and the driving torque test. Also the analytical model for multi-body dynamics analysis is composed. The composed analytical model is verified by comparison with the result of module experiments.
김찬중(Chanjung Kim),배철용(Chulyong Bae),신진용(Jinyoung Shin),윤근하(Gunha Yoon),권성진(Sungjin Kwon),이봉현(Bonghyun Lee) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Slam testing of a door module is one of the most significant fatigue-related testing process to meet the qualified performance guideline that is stipulated by major car makers. And every testing procedure of the slam testing is done as slamming the moving part of a door module by hydraulic actuators in practice. Current testing situation is required considerable efforts on the way to prepare the slam testing and even more, even a single specimen result sacrifices at least two weeks or more physically. In this paper, a accelerated similarity testing methodology of a door module is proposed using vibration test equipment instead of the honest testing procedure, that is purely slamming the target system repeatedly up to a failure mode. The response of a door plate module during slam testing indicates that fundamental resonance behaviors of the specimen accumulates the fatigue damage on hot spot of the door plate module. So, The accelerated similarity alternatives of the slam testing is proposed by the block cycle excitation of which spectrum is consisted of resonance frequencies of a target system. Also, the calibration of block cycle testing is conducted through the comprehend the fact of failure mode obtained by the multi-axial vibration testing.