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북미 6속 자동변속기 공장 EOL NVH 개발에 대한 연구
이현구(Lee, Hyun-Ku),김무석(Kim, Moo-Suk),황선양(Hwang, Seon-Yang),유동규(Yoo, Dong-Kyu),강구태(Kang, Koo-Tae),이태휘(Lee, Tae-Hwi) 한국소음진동공학회 2011 한국소음진동공학회 논문집 Vol.21 No.7
This paper shows a whole noise quality checking system for the new developed 6th speed automatic transmission manufactured in USA. Due to demand for manufacturing of the high NVH quality transmissions in the mass product line, some special checking system called EOL NVH is adapted. This EOL system is using vibration sensor and analysis technologies. Through adapting vibration analysis technologies and functions likewise RMS, crest factor, harmonics, peak, band and order tracking, various noise problems caused by wear, nick and deformations could be successfully detected and predicted. Therefore, automatic transmissions manufactured in the USA could get high NVH quality. The developing process described in this paper and results on EOL system will offer good guides to the engineers who built the next transmission factory.