Ergonomics Simulation and Analysis of Specially Designed Chair
Chair comes in different sizes and shapes depending on the functions as well as the users involved. However, the designers seldom consider the ergonomics aspect in chair design. This research has been conducted as a case study to compare and select the best design parameters within two chairs k...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
2022
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/40422/1/Ergonomics%20Simulation%20and%20Analysis%20of.pdf http://ir.unimas.my/id/eprint/40422/ |
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| Summary: | Chair comes in different sizes and shapes
depending on the functions as well as the users involved.
However, the designers seldom consider the ergonomics
aspect in chair design. This research has been conducted as
a case study to compare and select the best design
parameters within two chairs known as Chair A and B
using human modelling software called AnyBody.
Different parameter was manipulated in the simulation
which is backrest angles for Chair A and seat heights for
Chair B. A total of ten chairs with different parameters
(five from Chair A and five from Chair B) were conducted
in the simulation. Results were generated through inverse
dynamics analysis in the form of muscle activities
envelopes and reaction force on vertebrae L4 to L5. The
result shows that 80° backrest was the best ergonomics
design for Chair A while 0.30 m seat height was the best
ergonomics design for Chair B. The simulation conducted
is important as an early ergonomics intervention before
the real chair fabrication is conducted. |
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