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자료유형
학술저널
저자정보
저널정보
한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.6 No.4
발행연도
2005.8
수록면
383 - 390 (8page)

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This study proposes an innovative design guideline to assist the evaluation and improvement of the dynamic comfort of vehicle seating. The existing evaluation method for the comfort of vehicle seating was investigated to broach problems in evaluation. It was found that the currently existing evaluation method employs the resonance frequency of the vibration system composed of the seat and the human body and the maximum vibration transmissibility. This study proposes a design guideline aimed at the enhancement of vibration transmission characteristics above the resonance range, particularly within the range of 10?18 Hz. In order to meet this guideline, a seat was constructed out of foam having a low damping coefficient. It was then installed in a vehicle for a driving test. The driving test confirmed the improvement of the dynamic comfort of the seat. The result of evaluation of the improved seat using the SEAT index, an industry standard widely used to evaluate the dynamic comfort of a seat considering the perceptivity characteristics of the human body, showed that the perceptive vibration transmission had reduced by more than 11%. The effect of the modification of seat foam was also verified through a subjective assessment of dynamic comfort of the seats.

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ABSTRACT

1. INTRODUCTION

2. PREVIOUS WORKS ON THE EVALUATION OF DYNAMIC COMFORT OF A SEAT

3. THE CHARACTERISTICS OF VIBRATION TRANSMITTED TO THE SEAT UNDER THE DRIVING ENVIRONMENT

4. IMPROVEMENT OF DYNAMIC COMFORT THROUGH DAMPING REDUCTION OF A SEAT

5. CONCLUSIONS AND DISCUSSION

ACKNOWLEDGEMENT

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