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미래차 시트의 구조변화와 피로저감 시트용 6절 링크 Leg rest 부하 예측에 관한 연구
신민균(Mingyun Shin),차재권(Jaekown Cha),정요한(Yohan Jung),정호진(Hojin Jung),육형섭(Hyungsub Yook) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
Recently, the development and marketing of fatigue-reducing seats has been active, and this product is expected to provide better rest and comfort to passengers during autonomous driving and charging of electric vehicles. The core technology of the fatigue reduction seat is the proper positioning of the upper and lower body of the human body and the development of a mechanical device to implement it. Leg rests that support below the knees were generally applied only to the rear seats, but with the expansion of the fatigue-reducing seats, they are also being applied to the driver and front passenger seats. Domestic companies have secured leg rest mechanical design capabilities, but lack the ability to determine the motor capacity that operates them. In this study, structural changes in future car seats, development trends of fatigue-reducing seats and leg rests, and evaluation methods were investigated, and finally, a model was developed to predict the load amount of the 6-section link leg rest motor.
신민균(Mingyun Shin),박상현(Sanghyun Park),권혁모(Hyoukmo Kwon),차재권(Jaekown Cha),강병주(Byungju Kang),김회천(Hoecheon Kim) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
Many companies that have technological catch-up strategies have standardized and quantified the information and know-how accumulated at the imitation phase. However, excessive regulation has a negative impact on qualitative growth. Initial operation sound is the start noise of the car’s power seat, and developers are highly skeptical about the regulation. This study investigated the management status, influence factors, measurement levels, improvement methods, and degree of awareness. In conclusion, soft starters and limit switches are the most effective way to improve initial operation sound. The survey showed that only 37% perceived the difference when 30 people heard product with 10㏈ difference in the initial operation sound.