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논문 기본 정보

자료유형
학술대회자료
저자정보
Daehyeok Kang (JATCO Korea Engineering Corporation) Byunghee Kwon (JATCO Korea Engineering Corporation) Jehyuk Han (JATCO Korea Engineering Corporation) Chiho Kim (JATCO Korea Engineering Corporation) Bora Lee (JATCO Korea Engineering Corporation) Donghyeon Hwang (JATCO Korea Engineering Corporation) Cheol Park (JATCO Korea Engineering Corporation)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2022년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2022.11
수록면
105 - 109 (5page)

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초록· 키워드

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Generally, the control valve system in an automatic transmission (A/T) supplies automatic transmission fluid to a variety of actuators in the A/T through oil circuits to regulate the fluidic pressure of actuators. Since, discharge fluid pressure fluctuates in a certain frequency derived from hydro-mechatronics devices, it is very important to avoid hydroacoustic resonance to prevent passengers from hearing noise in cabin: when the frequency of pressure fluctuation coincides with the natural frequency of an oil circuit. However, it is challenging to predict the transient behavior of hydraulic pressure oscillating with high frequency including the amplitude of resonance pressure, because properties of automatic transmission fluid such as operating pressures change transiently in actual hydraulic control applications. This paper presents a dynamic simulation model for transient pipe flow to predict the behavior of hydraulic pressure in the time domain and a correlation with experimental data. Finally, the optimal parameter value was proposed by using the simulation model, and it was confirmed to improve cabin noise level in the actual vehicle.

목차

Abstract
1. INTRODUCTION
2. SIMULATION MODEL
3. APPLICATION
4. SUMMARY
References

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