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Exoskeleton Intervention in Car Assembly Line to Minimize the Potential of Musculoskeletal Disorder Risk Chedana, Saskara B'tari; Redi, Anak Agung Ngurah Perwira; Darma, Panji Nursetia
Jurnal Listrik, Instrumentasi, dan Elektronika Terapan Vol 7, No 1 (2026)
Publisher : Departemen Teknik Elektro dan Informatika Sekolah Vokasi UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/juliet.v7i1.113187

Abstract

Musculoskeletal Disorders (MSDs) remain one of the most prevalent occupational health issues worldwide, commonly caused by repetitive motions, awkward postures, and excessive physical load. In Indonesia, more than 40% of workers from various industries report MSD symptoms. Although ergonomic control measures aligned with international standards (e.g. ISO) have been implemented, these strategies are often insufficient to ensure safer postures sustained during work activities. Exoskeletons have been developed as a promising supplemental ergonomic intervention through its biomechanical mechanisms. This study examined the effectiveness of a passive shoulder-support exoskeleton adoption in one of the car assembly activities. Ten young adults performed repetitive bolt-tightening under two conditions: with and without exoskeleton assistance. MSD symptoms were assessed using the Borg CR-10 exertion scale, while postural risk was evaluated using the Rapid Upper Limb Assessment (RULA). Additionally, task completion and recovery times were recorded to evaluate task efficiency. Subjective perception regarding acceptability and safety perception towards the device were assessed through a questionnaire. Based on the experimental results, the exoskeleton reduced perceived muscle exertion mainly in the wrist region and reduced task completion time by 13.6%. A notable reduction in post-task recovery time (19.08%) was also observed under the exoskeleton condition. The overall RULA score decreased from 7 (high risk) to 5.5 (medium risk), indicating a reduction in ergonomic risk. Furthermore, questionnaire responses revealed positive perceptions related to task speed and mobility support, although some usability challenges were noted. Overall, these findings suggest that passive shoulder-support exoskeletons have the potential to enhance worker safety, comfort, and task efficiency in repetitive elevated automotive assembly tasks.
METODE GRAVITY LOCATION UNTUK OPTIMASI PENENTUAN LOKASI GUDANG PADA JARINGAN DISTRIBUSI DI PT XYZ Athiyyah Zhafarina (Universitas Pertamina); Adji Candra Kurniawan (Universitas Pertamina); Anak Agung Ngurah Perwira Redi (BINUS University); Nanda Ruswandi (Universitas Pertamina)
Jurnal Manajemen Industri dan Logistik Vol. 5 No. 1 (2021): page 01 - 74
Publisher : Politeknik APP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30988/jmil.v5i1.547

Abstract

AbstractXYZ company is a large textile dye companies in Indonesia. To reach existing consumers with lower transportation costs, XYZ Company plans to add new warehouses. This study provides an analysis using mathematical modeling for the problem of selecting a new facility location for XYZ company. The purpose of the model used is to provide recommendations for the location of candidate warehouse facilities that will be used as new warehouses. This study uses the gravity location method which is implemented simply with Microsoft Excel software. This method was chosen based on its suitability with the description of the problems XYZ company has. In this study, the data required to determine the location of the best facilities were collected according to the gravity location method procedure. The data collected is data related to consumers from XYZ companies such as location (latitude, longitude), number of requests, and distance data. The results of managerial analysis related to the old location and the new location for the facilities that will be used by the XYZ company show that the new location is projected to provide transportation cost savings of Rp. 416,910, - or 21% per week.AbstrakPerusahaan XYZ merupakan perusahaan pewarna tekstil yang cukup besar di Indonesia. Untuk menjangkau konsumen yang sudah ada dengan biaya transportasi yang lebih rendah Perusahaan XYZ berencana melakukan penambahan gudang baru. Penelitian ini memberikan analisa menggunakan pemodelan matematis untuk permasalahan pemilihan lokasi fasilitas baru bagi perusahaan XYZ. Tujuan dari model yang digunakan ini adalah memberikan rekomendasi lokasi kandidat fasilitas gudang yang akan digunakan sebagai gudang baru. Penelitian ini menggunakan metode gravity location yang diimplementasikan secara sederhana dengan perangkat lunak Microsoft Excel. Metode ini dipilih berdasarkan kesesuaiannya dengan deskripsi permasalahan yang dimiliki perusahaan XYZ. Dalam penelitian ini dikumpulkan data yang dibutuhkan untuk menentukan lokasi fasilitas terbaik sesuai dengan prosedur metode gravity location. Data yang dikumpulkan adalah data terkait konsumen dari perusahaan XYZ seperti lokasi (latitude, longitude), jumlah permintaan, dan data jarak. Hasil analisa manajerial terkait lokasi lama dan lokasi baru untuk fasilitas yang akan digunakan perusahaan XYZ menunjukkan lokasi baru diproyeksikan dapat memberikan penghematan biaya transportasi sebesar Rp. 416.910,-  atau sebesar 21% per minggu nya. 
PERANCANGAN SISTEM INFORMASI PENGELOLAAN PERSEDIAAN BAHAN BAKU DI OUTLET PERUSAHAAN XYZ Raihan Ahmad Fadhil (Universitas Pertamina); A A N Perwira Redi (Bina Nusantara University); Mirna Lusiani (Universitas Pertamina)
Jurnal Manajemen Industri dan Logistik Vol. 4 No. 2 (2020): page 84 - 168
Publisher : Politeknik APP Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30988/jmil.v4i2.557

Abstract

AbstractThis research is about design and implementation of information systems in PT XYZ Outlet. The goal is to design and implement an information system that can manage data and inventory management in an integrated and centralized manner. In designing the information system, the Waterfall model is used which has the advantages that have been considered, one of which is conformity to the characteristics of the problems found. Inventory management problems in this study solved using the Min-Max Stock method. The application of the Min-Max Stock method is effective and can reduce inventory costs at PT XYZ. For Chicken Boneless Marinated, Beef Santori Tenderloin, and Coffee Bean items each reduce 5% or IDR 1,610,000, 7% or IDR 1,598,031,648, and 11% or IDR 2,150,000. The results of the design and implementation of this information system can assist in recording and managing inventory that is integrated and centralized.AbstrakPenelitian ini membahas mengenai proses perancangan dan implementasi sistem informasi pada Outlet PT XYZ. Tujuan penelitian ini adalah memperoleh rancangan dan mengimplementasikan suatu sistem informasi yang mengintegrasikan dan memusatkan pengelolaan pencatatan serta pengelolaan persediaan. Model Waterfall digunakan untuk pengembangan sistem informasi dalam penelitian ini karena memiliki kelebihan-kelebihan yang telah dipertimbangkan, salah satunya adalah kesesuaian dengan karakterisik permasalahan yang ditemukan. Sedangkan metode pengelolaan persediaan yang digunakan dalam penelitian ini adalah metode Min-Max Stock. Penerapan Min-Max Stock sebagai metode pengelolaan persediaan efektif untuk diterapkan dan dapat memangkas biaya persediaan di PT XYZ. Untuk barang Chicken Boneless Marinasi, Beef Santori Tenderloin, dan Coffee Bean masing-masing menghasilkan penghematan sebesar 5% atau Rp 1.610.000,  7% atau Rp 1.598.031,648, dan 11% atau Rp 2.150.000. Hasil dari perancangan dan implementasi sistem informasi ini dapat membantu PT XYZ dalam melakukan proses pencatatan dan pengelolaan persediaan yang terintegrasi dan terpusat.