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서정호(Jungho Seo),송명의(Myong Eui Song) 한국자동차공학회 2022 한국자동차공학회 부문종합 학술대회 Vol.2022 No.6
It is important to predict vibration characteristic caused by T.E(Transmission Error) prior to whine noise analysis. This is because T.E is harmonic excitation source of whine noise. As the force due to the gear pair is transfer, the strain energy on gear train transfer to bearing and vibrate the surface of the case. The result of this process is the whine noise. So, the correlation of the vibration of surface is the essential. For this, it made NVH analysis model to predict surface vibration acceleration. And it figured out the effective parameter to change vibration characteristic of system with sensitivity analysis. Finally, it found the value that approximate experiment of parameters with D.O.E(Design of experiments) using Monte Carlo Method.