Human-oriented design of backrest of office chair using haptic-aided design and lumber angle prediction

Sang Duck Lee, Hae A. Lee, Jae Bok Song, Soo Won Chae

Research output: Contribution to journalArticlepeer-review


Haptic-aided design (HAD) involves the use of a haptic simulator in place of physical prototypes in the design and development of products with which human beings interact physically. The development time and cost can be significantly reduced by adopting this HAD scheme. Although both physical and emotional factors are equally important, only the emotional factors were taken into consideration in the previous HAD process. Consequently, the design of the products was sometimes unsatislafctory from the viewpoint of ergonomics, even though users were emotionally satisfied with the products. To overcome this problem, in this study, we propose a new human-oriented design methodology that is enhanced by taking the physical factors into consideration. The HAD scheme was verified by using a haptic chair simulator to design a tilt mechanism of an office chair for which the stiffness of the backrest can be adjusted; then, the design was simulated using MADYMO. The results show that the proposed method can reflect both the physical and emotional factors to modify the design in real-time.

Original languageEnglish
Pages (from-to)1581-1586
Number of pages6
JournalTransactions of the Korean Society of Mechanical Engineers, A
Issue number11
Publication statusPublished - 2010 Nov


  • Chair design
  • Haptic profile
  • Haptics-aided design

ASJC Scopus subject areas

  • Mechanical Engineering


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