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김정철(Joung chul Kim),이국선(Gook sun Lee),이원희(Won hee Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
For improving engagement shift performance, valve body orifice tuning, TMS control logic change and mounting characteristics change was done. And the backlash of power train was inspected. Optimized small orifice size gave good disengagement shift. D3-N shift control was more superior to DJ-N. Small gap and ridid mounting has absorbed jerking shock more effectively.<br/>
롤러 베어링의 진동특성을 이용한 자동변속기 결함 검출에 관한 연구
박기호(Park, Ki-Ho),정상진(Jung, Sang-Jin),위혁(Wee, Hyuk),이국선(Lee, Gook-Sun),조성호(Cho, Seong-Ho) 한국소음진동공학회 2009 한국소음진동공학회 논문집 Vol.19 No.3
The roller bearings play an important role not only sustain radial or axial load of system, but carry out a rotatory movement as a various operating conditions. They happen that incipient faults which were caused by excessive load, manufacturing or assembling process's errors and many other reasons are created. The bearing faults make noise and vibration by a continuous collision of rotatory components, which can lower the quality and stability of auto-transmission. Therefore, it is important to detect the early fault as soon as possible. This paper presents a detecting method for the improvement in quality by developing the program which can be used to analyze and predict the vibrational characteristics caused by roller bearing faults. We completed development of the inspection system of vibration by applying the most efficient detecting methods and verified the system's reliability through experiments.