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논문 기본 정보

자료유형
학술대회자료
저자정보
박동진 (대유신소재) 범형택 (대유에이텍) 홍찬호 (대유신소재)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2012년 한국자동차공학회 학술대회 및 전시회
발행연도
2012.11
수록면
808 - 813 (6page)

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초록· 키워드

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Steering wheel basically takes charge of steering mechanism function of cars. Furthermore, it is the most connected interface with drivers not only to reduce the impact of crash by airbag but also to control many convenient gadgets such as audio, cruise and bluetooth. The vibration directly-sensed by drivers through a steering wheel is the major factor to degrade the quality of inner space of a car: this vibration can make drivers emetic or dizzy. Steering wheel should not only fulfill basic demands but guarantee the proper level of the frequency to avoid resonance phenomena, fatigue failure due to a specific frequency. To satisfy this, we can strengthen steering wheel itself or modulate the frequency with a special component, dynamic damper. Dynamic damper is the component of a car that diminishes the vibration generated during driving attached to the vibrating source or conveyer. In particular, dynamic damper is attached to column shaft which is directly connected to steering wheel to damp the vibration transmuted to the wheel. For some sort of cars, in order to improve the efficiency of steering wheel or column shaft, steering wheel is equipped with dynamic damper inside so that it can reduce the microvibration transmitted via column shaft and provide more comfortable environment to drivers.
In this study, we introduced the basic principles and properties of dynamic damper to steering wheel, understand the factors which control the proper frequency, and proposed the designing of more effective steering wheel which overcome the limit of inner space. For this purpose, we simplified the previous model of dynamic damper using CATIA V5 and analyzing Mode with Nastran FX. We used physical properties of present model of dynamic damper for all model. Mass and rubber is the major decisive component to the frequency of dynamic damper. By varying the outward shape of mass and the contact point of rubber and mass, we checked the consequential change of the frequency of dynamic damper and provided the proper direction and range of it. If we can control the frequency of dynamic damper by the length of rubber, we will expect the more improved Steering Wheel for overcoming the limit of inner space.

목차

Abstract
1. 서론
2. Dynamic Damper
3. 고유진동해석
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2014-556-000418828