Toward the Implementation of Digital Twin for Assessing the Ergonomic Aspects on Manufacturing Process

Toward the Implementation of Digital Twin for Assessing the Ergonomic Aspects on Manufacturing Process
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© 2024 by IJETT Journal
Volume-72 Issue-1
Year of Publication : 2024
Author : Yunita Aulia, Rida Zuraida
DOI : 10.14445/22315381/IJETT-V72I1P114

How to Cite?

Yunita Aulia, Rida Zuraida, "Toward the Implementation of Digital Twin for Assessing the Ergonomic Aspects on Manufacturing Process," International Journal of Engineering Trends and Technology, vol. 72, no. 1, pp. 141-154, 2024. Crossref, https://doi.org/10.14445/22315381/IJETT-V72I1P114

Abstract
Repetitive motion, awkward movement, and other factors can contribute to Musculoskeletal Disorders (MSDs) among operators. According to the Indonesian Health Ministry, approximately 11.9% of Indonesians have been diagnosed with musculoskeletal diseases and roughly 24.7% exhibit symptoms of MSDs. One of the divisions that have a similar problem is the shipping division of a shoe manufacturer, PT. XYZ, which requires a bent position during their shift. This study aims to address the prevalence and symptoms of MSDs in the operators’ posture, such as picking, putting and organizing the shoes. By employing a digital twin approach using Tecnomatix Jack software, the real-time conditions of operators were simulated to assess ergonomic aspects using the OWAS, LBA and NIOSH methods. To support the analysis, the Nordic Musculoskeletal Questionnaire was administered by collecting data directly from 35 operators. As input data for the ergonomic assessment, eight movements were studied to demonstrate a major hazard to the operator's musculoskeletal system due to the movements. All of the movements in the real-time situation get 3 as the OWAS scores, 1284-1743 N for the LBA score, and 0-0.220 for LI in the NIOSH assessment. Both simulation results and direct interviews underscore the importance of implementing improvements, such as workplace design, integration of additional tools, and motion studies. As part of the proposed improvement, the implementation of ergonomic tables and workspace relayout was undertaken.

Keywords
Digital twin, Ergonomic tables, Musculoskeletal disorder, Tecnomatix jack, Relayout.

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