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ISSN : 2005-0461(Print)
ISSN : 2287-7975(Online)
Journal of Society of Korea Industrial and Systems Engineering Vol.41 No.3 pp.108-114

A proposal of the Optimal Angle of Standing Assistant Chair for the Elderly by Comparing of Pressure Distribution on Hip

Sung-Ho Chang*, Ji-Hoon Baek*†, Jung-Eon Lee*, Nematov Mirazamjon*, Seok-Wan-Kang**, Wang-Bum Lee***
*Department of Industrial Engineering, Graduate School Kumoh National Institute of Technology
**LG Electronics
***Department of Industrial Management, Gumi University
Corresponding Author :


One of the most performed action in daily life is standing up from sitting position. As the population of the world is aging at the high rates, people may face problems with reduced muscle strength as well as psychological changes. This can lead elderly people having difficulties with standing up from chair. Now, with the aging trend worldwide, products are being developed that can support the lives of the elderly. This study examines the distribution of hip pressure in relation to the seating positions of the standing assistance seats under development to prevent standing up accidents in older adults. The currently developing standing assistant chair designed to tilt to a maximum angle of 25 degrees. At over 25°, design considers that older people are at risk of thrown back out of that force and that the forces exerted on their arms and legs can be a significant burden to older people.
By considering danger of higher than 25° for older people which is experimented in the basis of static capturing approach in previous papers, it is experimented people with age group of 20~60 on 0° to 25° tilting angle on the basis of dynamic capturing method in order to pick convenient angle of inclination.
Moreover, tried to find the optimum angle by comparing the hip pressure distribution when seated at the edge of the seat and at the center of the seat with the pressure distribution sensor.

둔부의 압력분포 비교를 이용한 고령자용 기립보조의자의 기립 최적각도 제안

장성호*, 백지훈*†, 이중언*, Nematov Mirazamjon*, 강석완**, 이왕범***
*금오공과대학교 대학원 산업공학과
***구미대학교 산업경영학부