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All Journal OPSI Jurnal Sistem Teknik Industri Jurnal Pendidikan dan Teknologi Indonesia Journal of Engineering and Applied Technology Journal Competency of Business Jurnal Manajemen dan Teknologi Rekayasa Jurnal Teknik Industri, Bisnis Digital, dan Teknik Logistik: Jurnal Trinistik
Afiqoh Akmalia Fahmi
Universitas Muhammadiyah Surakarta
Automotive Engineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Analyzing the impact of disaster-related factors on student preparedness using Structural Equation Modelling Putri, Arinda Soraya; Martin, Adryan Rizky; Setiawan, Eko; Fahmi, Afiqoh Akmalia; Nugroho, Munajat Tri; Putri, Evitania Salmadita; Pratama, Yuda Aditiya
OPSI Vol 18 No 1 (2025): OPSI - June 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i1.14321

Abstract

This study aims to analyse the relationship of disaster factors to the level of preparedness of students in Central Java in facing disasters. This research uses quantitative methods, because data collection in research is related to numbers and uses statistical analysis. The quantitative approach in this study uses the Structural Equation Modelling (SEM) method. Sampling was carried out by purposive sampling method or an assessment that was taken if it met certain criteria in accordance with the research topic, the sample used was 361 respondents. The method used in this research is SEM analysis, which is a multivariate statistical technique that analyses the relationship between variables. Independent variables include knowledge, attitude, policy, environment, training and religiosity. The dependent variable is preparedness. The results of research from independent variables that have an effect and have a positive direction are the attitude variable with a T-statistic value of 7,357, the training variable with a T-statistic value of 4,839 and the religiosity variable with a T-statistic value of 2,352. Variables that have a positive direction, but no effect are the knowledge variable and the policy variable.
Risk assessment using ERIN and CVL methods to minimize musculoskeletal disorders for operators in the food industry Muslimah, Etika; Nandiroh, Siti; Faizi, Ahmad Nur; Munawir, Hafidh; Fahmi, Afiqoh Akmalia
OPSI Vol 18 No 2 (2025): OPSI - December 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i2.12370

Abstract

Workers in small-scale industries often experience physical fatigue and musculoskeletal complaints during manual production activities. This research focuses on operators in a Small and Medium Enterprise (SME) producing cowhide crackers, where symptoms of Musculoskeletal Disorders (MSDs) are commonly reported. The purpose of this study is to identify the level of worker discomfort, assess the likelihood of MSD occurrence, and determine appropriate recommendations to reduce ergonomic risk. The Nordic Body Map (NBM) was used to identify complaint areas, Cardiovascular Load (CVL) was employed to assess physical workload intensity, and the ERIN method was applied to evaluate postural risk. The NBM results showed high discomfort levels at the boiling and frying workstations, with scores of 81 and 76.3, respectively. CVL findings also indicated elevated workload at the same stations, with values of 45% and 38%, suggesting fatigue and the need for improvement. Meanwhile, the ERIN assessment showed medium postural risk in one frying activity, low risk in two sub-activities, and high risk in two boiling sub-activities. As a result, a redesign of tools and workstation layout was proposed and simulated using CATIA. The simulation results demonstrate a reduction in MSD risk, where the ERIN score decreased from 34 (high) to 14 (low), confirming the effectiveness of the redesigned workstation.
Co-Authors Arinda Soraya Putri Eko Setiawan Etika Muslimah Fadhila, Aisyah Nurul Faizi, Ahmad Nur Hafidh Munawir Ihsan Cahyo Utomo Jamal, Fauziyah Nur Martin, Adryan Rizky Maryam Maryam Mila Faila Sufa Munajat Tri Nugroho Pratama, Yuda Aditiya Putri, Evitania Salmadita Ramadhan, Muhammad Rivai Putra Rizal Dwiyanto Rufaida, Asy Syifaur Roisah Setiyawan, Dani Siti Nandiroh Soraya Putri, Arinda Syafi’udin, Muhammad Wahyu Wafrotur Rohmah