Ofis Sandalyeleri için Ergonomik Tasarım Yaklaşımlarının Uygunluk Seviyelerine Göre Karşılaştırılması

Abstract

Aim of study: It is very important to design office furniture based on the anthropometry of employees because it affects their comfort, performance, and in serious cases, their health. Adjustable chairs are typically designed for a certain percentile of the user population. However, this design approach may not provide an accommodation level as intended because a chair has more than one design dimension. The objective of this study is to compare the percentile-based design approach and subject-based design approach by accommodation level. 
 Material and methods: A sample of 4.082 males from the 2012 ANSUR II database was used to compare two design approaches by accommodation level. An adjustable office chair was designed to investigate whether or not the final accommodation level differed from the desired accommodation level. Using four anthropometric measurements, the lower and upper limits for four chair dimensions are calculated to cover 95% of users. 
 Main results: The anthropometric measurements of a total of 728 subjects (17.83%) did not match for at least one chair dimension, resulting in the adjustable chair accommodating 82.17% of users, rather than 95% as intended. Two additional chair dimensions (backrest height and width) reduced the accommodation level to 77.36%. 
 Highlights: Considering that eleven different chair dimensions are considered in a typical chair design, it is reasonable to assume that the accommodation level will be even lower.