[논문]자동차 시트의 인간공학적 디자인에 따른 착좌 안락감 및 압력분포 평가

정하림; 최준원; 양승완; 박준규; 김도용; 송창현; 김종배; 김한성

doi:10.9718/jber.2023.44.2.157

자동차 시트의 인간공학적 디자인에 따른 착좌 안락감 및 압력분포 평가
Evaluation of Seat Comfort and Pressure Distribution According to the Ergonomic Design of Automobile Seats 원문보기

Journal of biomedical engineering research : the official journal of the Korean Society of Medical & Biological Engineering, v.44 no.2, 2023년, pp.157 - 165

정하림 (연세대학교 의공학과) , 최준원 (연세대학교 의공학과) , 양승완 (연세대학교 작업치료학과) , 박준규 (현대자동차) , 김도용 (연세대학교 의공학과) , 송창현 (연세대학교 의공학과) , 김종배 (연세대학교 작업치료학과) , 김한성 (연세대학교 의공학과)

Abstract ▼ AI-Helper

The purpose of this study was to evaluate the importance of developing slim seats with ergonomic design to improve seat comfort and expand the interior space. Two seats were used for the experiment: a sample seat designed based on hip shape and spinal alignment and a normal seat with a flat design without curves. Subjects sat in both the sample seat and a normal seat applied to the vehicle simulator and the experiment was conducted. The next part of the experiment was conducted in two different postures: a driving posture and a relaxed posture. The subjects filled out a comfort questionnaire immediately after sitting and after 30 minutes. The results showed that the comfort in the sample seat was found to be more comfortable than the normal seat. However, no significant difference was noted for the relaxation posture. Pressure distribution was also recorded immediately after sitting and after 30 minutes. In the case of pressure distribution, it was confirmed that the pressure in the sample seat was more evenly distributed in both the driving and relaxed postures than in the normal seat. The results showed that the ergonomically designed sample seat greatly improved seating comfort and pressure distribution compared to the normal seat, which is a general vehicle seat design.

주제어

표/그림 (11)

그림 그림 1. (a) 평평한 면으로 구성된 일반시트, (b) 인간공학적 디자인 의 샘플시트 Fig. 1. (a) Normal seat with flat surfaces, (b) Sample seat with ergonomic design
그림 그림 2. (a) 샘플시트의 3D모델, (b) 샘플시트의 등판 디자인 Fig. 2. (a) 3D model of the Sample seat, (b) Back design of the Sample seat
표 표 1. 실험 참가자 정보 Table 1. The information of participants
그림 그림 3. 설문평가에 사용된 Likert scale Fig. 3. Likert scale used for the survey
그림 그림 4. 실험에 사용된 도로 Fig. 4. The track used for the experiment
그림 그림 5. (a) 운전자세의 실험 참가자, (b) 릴렉스자세의 실험 참가자 Fig. 5. (a) Participant in driving posture, (b) Participant in relaxed posture
표 표 2. 릴렉스 자세 정보 Table 2. Joint angles of relaxed posture
그림 그림 6. 일반시트와 샘플시트의 설문조사 결과(^*p<.05, ^**p<.01) Fig. 6. Survey results of the Normal seat and Sample seat (^*p<.05, ^**p<.01)
그림 그림 7. 일반시트와 샘플시트의 평균압력분포 결과(^*p<.05, ^**p<.01, ^****p<.0001) Fig. 7. Average pressure distribution result of the Normal seat and Sample seat(^*p<.05, ^**p<.01, ^****p<.0001)
그림 그림 8. (a) 압력분포가 이루어진 좌판 영역을 일정하게 4등분 (b) 압력분포가 이루어진 등판영역을 일정하게 2등분 Fig. 8. (a) The seat area with pressure distribution is divided into 4 equal parts (b) The back area with pressure distribution is divided into 2 equal parts
그림 그림 9. 일반시트와 샘플시트의 표준편차 값 결과(^**p<.01, ^****p<.0001) Fig. 9. Average pressure distribution result of the Normal seat and Sample seat(^**p<.01, ^****p<.0001)

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