A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system
control system; design method; disease prevalence; engineering; machinery
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2023
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my.uniten.dspace-272862023-05-29T17:42:09Z A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system Choong S.W.J. Ng P.K. Yeo B.C. Draghici A. Gaureanu A. Ng Y.J. Wong G.M.H. Selvan H.K.T. 57385376000 36835757300 55581165200 6701572869 57190943314 57314441300 57385376100 57385152700 control system; design method; disease prevalence; engineering; machinery Studies show that heavy machinery operators are exposed to risk factors of musculoskel-etal diseases. However, there has yet to be a study investigating the grip analysis of heavy machinery control levers. This preliminary study aims to investigate the grip analysis of a system that em-ulates the push�pull operations, handle shapes, and resistance of wheel loader control lever sys-tems. The system was designed, analysed, and optimised using Autodesk Inventor 2019 before fab-rication and testing. It underwent usability testing for estimated and perceived grip force analysis (ergonomics analysis). The tests measured estimated force using a sensor glove, and perceived force using the Borg CR10 scale. The data were analysed using regression and paired t-tests. The findings suggested that pulling and high resistance factors required higher estimated force (339.50 N) and perceived force (5.625) than pushing and low resistance factors in manoeuvring the system (p < 0.05). The cylindrical handle required more estimated force (339.50 N) but less perceived force (4.5) than the spherical handle due to ergonomic design considerations (p < 0.05). Although there were inaccuracies in force measurement methods, the perceived method was still effective for data col-lection, since it is challenging to measure grip force in a real situation with heavy machinery. While this study was only a simulation, it provided researchers with ideas that may solve problems in the manipulation of heavy machinery control levers. � 2021 by the authors. Licensee MDPI, Basel, Switzerland. Final 2023-05-29T09:42:08Z 2023-05-29T09:42:08Z 2022 Article 10.3390/su14010122 2-s2.0-85121675455 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85121675455&doi=10.3390%2fsu14010122&partnerID=40&md5=71eac58b946aa4000c2edd2a3069722d https://irepository.uniten.edu.my/handle/123456789/27286 14 1 122 All Open Access, Gold, Green MDPI Scopus |
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| description |
control system; design method; disease prevalence; engineering; machinery |
| author2 |
57385376000 |
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57385376000 Choong S.W.J. Ng P.K. Yeo B.C. Draghici A. Gaureanu A. Ng Y.J. Wong G.M.H. Selvan H.K.T. |
| format |
Article |
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Choong S.W.J. Ng P.K. Yeo B.C. Draghici A. Gaureanu A. Ng Y.J. Wong G.M.H. Selvan H.K.T. |
| spellingShingle |
Choong S.W.J. Ng P.K. Yeo B.C. Draghici A. Gaureanu A. Ng Y.J. Wong G.M.H. Selvan H.K.T. A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| author_sort |
Choong S.W.J. |
| title |
A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| title_short |
A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| title_full |
A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| title_fullStr |
A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| title_full_unstemmed |
A preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| title_sort |
preliminary study on ergonomic contribution to the engineering design approach of a wheel loader control lever system |
| publisher |
MDPI |
| publishDate |
2023 |
| _version_ |
1806427811995451392 |