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All Journal J@TI (TEKNIK INDUSTRI) Jurnal Rekayasa Sistem Industri Jurnal Optimasi Sistem Industri JRSI (Jurnal Rekayasa Sistem dan Industri) Jurnal Ergonomi dan K3 International Journal of Engineering, Technology and Natural Sciences (IJETS)

Theopilus, Yansen

Parahyangan Catholic University

Author-ID : 2376715

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health

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Pengembangan Alat Bantu Material handling untuk Meminimasi Beban Kerja Operator Produksi Crank Case di PT.X Theopilus, Yansen; Jonathan, William; Gustin, Yusan
Jurnal Rekayasa Sistem Industri Vol 7, No 2 (2018): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

This research aims to evaluate the workload of production operators at PT. X and develop a product/tools that can minimize the workload of production operators in PT.X factory. PT.X is a motorcycle manufacture company that produces sport bike, duck bike, and scooter bike along with its components. One of the main components produced in PT. X is crankcase. Crankcase function as a house for motorcycle machine components such as generator, oil pumps, clutches, crankshaft, transmission gear, and lubricating oil. This research focuses on crankcase production because the crankcase production operators have the most complaints regarding workload compared to others.The research begins by evaluating the workload of the operators on the initial working system. The evaluation data is collected by some method such as direct field observation, direct measurement, and interview with the operators. After that, the data is processed to evaluate the mental and physical workload of the operators using NIOSH, RULA, and NASA-TLX methods. The Evaluation results show that there are several operators that have an excessive workload, especially for the material handling work. This activity results Lifting Index value of more than 1, a RULA value of more than 5, and a NASA-TLX value greater than 80.Based on the evaluation, this research developed a material handling tool in the form of workpiece basket lifting equipment using a combination of pneumatic and hydraulic principles that can minimize the workload of the crankcase production operator at PT. X. This tool can eliminate a bending movement which is the source of problem in the operators workload. The result of the evaluation of this tool application shows that the use of the tool can produce a reasonable workload for all crankcase production operators at PT. X.

Pengembangan Alat Bantu Material handling untuk Meminimasi Beban Kerja Operator Produksi Crank Case di PT.X Yansen Theopilus; William Jonathan; Yusan Gustin
Jurnal Rekayasa Sistem Industri Vol. 7 No. 2 (2018): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

This research aims to evaluate the workload of production operators at PT. X and develop a product/tools that can minimize the workload of production operators in PT.X factory. PT.X is a motorcycle manufacture company that produces sport bike, duck bike, and scooter bike along with its components. One of the main components produced in PT. X is crankcase. Crankcase function as a house for motorcycle machine components such as generator, oil pumps, clutches, crankshaft, transmission gear, and lubricating oil. This research focuses on crankcase production because the crankcase production operators have the most complaints regarding workload compared to others.The research begins by evaluating the workload of the operators on the initial working system. The evaluation data is collected by some method such as direct field observation, direct measurement, and interview with the operators. After that, the data is processed to evaluate the mental and physical workload of the operators using NIOSH, RULA, and NASA-TLX methods. The Evaluation results show that there are several operators that have an excessive workload, especially for the material handling work. This activity results Lifting Index value of more than 1, a RULA value of more than 5, and a NASA-TLX value greater than 80.Based on the evaluation, this research developed a material handling tool in the form of workpiece basket lifting equipment using a combination of pneumatic and hydraulic principles that can minimize the workload of the crankcase production operator at PT. X. This tool can eliminate a bending movement which is the source of problem in the operator's workload. The result of the evaluation of this tool application shows that the use of the tool can produce a reasonable workload for all crankcase production operators at PT. X.

Analisis Risiko Produk Alat Pelindung Diri (APD) Pencegah Penularan COVID-19 untuk Pekerja Informal di Indonesia Yansen Theopilus; Thedy Yogasara; Clara Theresia; Johanna Renny Octavia
Jurnal Rekayasa Sistem Industri Vol. 9 No. 2 (2020): Jurnal Rekayasa Sistem Industri (Edisi Khusus COVID-19)
Publisher : Universitas Katolik Parahyangan

The Coronavirus Disease of 2019 (COVID-19) that is transmitted through the human respiratory system has a very high infection rate worldwide, including Indonesia. To cut off this outbreak, Indonesia has implemented some social distancing strategies that have an impact on the significant decrease of economic growth rate and the increase of poverty rate. To meet basic needs, people should continue their work in the middle of COVID-19 fear. Informal workers are among the most vulnerable groups to COVID-19 transmission because they frequently interact with the outsiders and find it difficult to comply with the health protocols. One way to prevent the COVID-19 transmission is the use of Personal Protective Equipment (PPE) such as masks, face shields, and gloves. Although these products to some degree are effective in preventing transmission, several risks that may endanger its users, such as incorrect or excessive use, incorrect maintenance, bad PPE design, and others. Therefore, this research aims to analyze the risks of the COVID-19 PPE and review the prevention recommendations for these risks. Risk analysis was carried out using the Failure Mode and Effect Analysis (FMEA) to analyze the use of masks, face shields, and gloves for the context of general informal workers in Indonesia. There are 5 aspects analyzed: product design, preparation for use, use, storage, and disposal. Based on the analysis, there are 10 mask risks, 15 face shield risks, and 12 gloves risks that need to be considered by informal workers and PPE designers and manufacturers as well.

Kajian Indikator Eye Tracking untuk Deteksi Kewaspadaan pada Pekerjaan Inspeksi dengan Batasan Durasi Tidur dan Perbedaan Jenis Kelamin Daniel Siswanto; Adriana Jennifer Sugiharta; Thedy Yogasara; Yansen Theopilus
Jurnal Rekayasa Sistem Industri Vol. 12 No. 2 (2023): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v12i2.6846.251-262

Eye tracking (ET) has been widely used to detect ocular changes that are also correlated with fatigue. However, whether there is an ET indicator capable of detecting fatigue closely related to vigilance decrement is unknown. This study aims to determine which ET indicators are sensitive in detecting changes in vigilance due to sleep restriction (4 and 8 hours) in different gender. Fifty-six participants (28 men, 21.32 ± 1.16 years and 28 women, 21.5 ± 1.2 years) were involved in this study. Using an eye tracker device, participants were asked to simulate inspecting defects (dirt, scratches, missing parts, and poor assembly) at 50 flashlights. In addition, vigilance assessment was carried out with the Psychomotor Vigilance Task (PVT) and the Karolinska Sleepiness Scale (KSS). The results of ANOVA showed that sleep restriction affected the mean RT (p-value = 0.001), minor lapse (p-value = 0.036), mean 1/RT (p-value = 0.001), saccadic velocity (p-value = 0.001), and KSS (p-value = <0.001). Gender influenced the mean 1/RT (p-value = 0.016), pupil diameter (p-value = 0.022), and saccadic velocity (p-value = 0.030). The Pearson correlation test shows a weak relationship between the ET and PVT indicators. However, saccadic velocity has the potential to be able to detect changes in vigilance because it is influenced by sleep restriction. Further research is still needed to confirm these results because the correlation between saccade velocity and PVT indicators in this study still needs to show a stronger relationship to become a vigilance indicator.

Co-Authors Adriana Jennifer Sugiharta Brenda Cynthia Atmadja Clara Theresia Clara Theresia Daniel Siswanto Daniel Siswanto Debora Angela Dian Putrawangsa Gustin, Yusan Johanna Octavia Johanna Renny Octavia Hariandja Kristiana Asih Damayanti Michael Purwoko Paulina Kus Ariningsih, Paulina Kus Rosi Filia Kristina Sidabutar Thedy Yogasara Thedy Yogasara William Jonathan William Jonathan, William Yusan Gustin

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