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Jurnal Teknik Industri Terintegrasi (JUTIN)
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : 26208962     EISSN : 26208962     DOI : 10.31004jutin
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Teknik Industri Terintegrasi merupakan jurnal yang dikelola oleh Program Studi Teknik Industri Fakultas Sains dan Teknologi Universitas Pahlawan Tuanku Tambusai yang menjebatani para peneliti untuk mempublikasikan hasil penelitian di bidang ilmu teknik dan teknik industri mencakup proses manufaktur, kegagalan dan rekayasa material, perawatan berbasis keandalan, keselamatan kerja, perancangan sistem kerja dan ergonomi, pengendalian dan penjaminan mutu, tata letak fasilitas, penelitian operasional, kewirausahaan dan pengembangan bisnis
Arjuna Subject : -
Articles 1,048 Documents
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Usulan kebijakan persediaan material untuk meminimasi overstock menggunakan newsvendor model pada PT. XYZ Meilani, Mela; Ardiansyah , Muhammad Nashir; Muttaqin , Prafajar Suksessanno
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.33537

Abstract

PT XYZ is a company engaged in the concrete manufacturing industry. Concrete production at PT XYZ affects the inventory of constituent materials needed in making concrete. The problem of PT XYZ, there is an overstock of basic materials, because there is a gap between the amount of basic material inventory and demand. So, it is necessary to propose an inventory policy to minimize overstock. The problem-solving method used in this research is ABC Analysis to determine the classification of each material and the new vendor model to determine the amount of material inventory. Based on calculations using ABC analysis, material classification is obtained based on three categories, category A one type of material, category B two types of material, and category C four types of material. Calculations using the newsvendor model obtained a decrease in total inventory costs by 10.8% and the amount of material inventory by 20.4%.
Analisis tekno ekonomi sistem hidrogen hijau dengan model matlab simulink di Lombok Indonesia Parman, Parman; Hendrasakti, Jooned; Juangsa, Firman Bagja
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.33553

Abstract

This research conducts a techno-economic analysis of a green hydrogen system in Lombok, Indonesia, using a MATLAB Simulink-based simulation model. The primary objective of this study is to evaluate the long-term economic feasibility of a green hydrogen project through the analysis of key financial parameters such as Net Present Value (NPV), Internal Rate of Return (IRR), and the break-even point. The model simulation results show that the production output of green hydrogen is 121,391 kg, and the project generates a Net Present Value (NPV) of $1,205,031.1 over a 25-year operational period. The Internal Rate of Return (IRR) of the project reaches 11.9%, indicating that the project has a promising profit potential. Additionally, the break-even point is achieved in the 8th year, meaning that the initial investment can be recouped by that time. These findings provide an initial overview of the economic prospects of green hydrogen development in Lombok and demonstrate the potential of green energy in supporting the energy transition in Indonesia. This study also offers guidance for policymakers and investors in making strategic decisions related to investments in renewable energy technology.
Strategi peningkatan penjualan sparepart dengan mengintegritaskan analisis SWOT dan metode AHP pada CV. Jaya Maju Perkasa Imanuddin, Rahmat; Hadidjija, Kusno; Utomo, Eko Budi; Putra, Muhammad Hengki Riawan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.33962

Abstract

Human resources are one of the resources in the form of humans based on energy or thoughts that are used to develop a better company in the future. If the human resources used are less skilled or less good, it will greatly affect the products or work results provided. This is felt by a manufacturing company in the furniture sector, namely PT. Omega Mas. In order to understand the level of employee performance produced, PT. Omega Mas needs to conduct an employee performance assessment. In this employee performance assessment, the rating scale method with AHP is used. While in collecting data using questionnaires and brainstorming. The results obtained were that there were 5 employee performance assessment criteria with each criterion having 3 sub-criteria. These criteria are self-maturity, work attitude, cooperation, discipline, and Work Results. In the weight of employee performance assessment, the dominant one is Work Quantity with a weight value of 0.311. In the performance results, there were 6 employees who had very good scores, 47 employees had good scores, and 80 other employees had sufficient scores.
Identification of test liner paper production errors through six sigma DMAIC perception Apriliyanto, Yohandika Tri; Muhaimin, Achmad; Shidik, Beta Arya Ash
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34021

Abstract

To achieve normal quality, organizations must be able to be aware of and check factors that can affect product quality. Quality control aims to reduce the number of defective or damaged goods, ensure the final results provided comply with company quality guidelines. PT Lohdjinawi Widjaya is a company that produces paper in Indonesia, one of its products is test liner paper. This can be seen from production data for the last 4 days of August with total production of 953,625 kg and total defects of 35,084 kg. From the results of research and data processing using the Six Sigma DMAIC method, it can be concluded that the biggest defect in test liner paper products at PT. Lohdjinawi Widjaya total broken edge defects 18,400 kg or 52%, damaged cross-section 12,406 kg or %. The research results showed that the lowest Six Sigma level results were 3,55 on the fourth day and the highest on the first day was 4,08. Four factors influence product quality including materials, people, methods, and machine.
K Kajian hambatan samping terhadap kinerja ruas pada kawasan komersil (studi kasus: Jalan Boulevard kota Makassar) Hamsir, Rafiqah; Said, Lambang Basri; Syarkawi, Mukhtar Thahir; Kasim, Muhammad Ridha
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34336

Abstract

The traffic on the Makassar City Boulevard Road segment operates using a two-way system, with a significant volume of vehicles and frequent obstacles on the sides. It arises as a result of the presence of commercial zones, encompassing trade and service establishments such as offices, banks, stores, restaurants, hotels, and shopping centers, where transactions between sellers and purchasers take place. Hence, this study was carried out to investigate the influence of side barriers obstructions on the performance of the Makassar City Boulevard Road segment utilizing the MKJI 1997 methodology. The analysis reveals that the highest frequency of side barriers on the section of Jalan Boulevard Makassar City occurs on Thursdays at point 2 (in front of Jims Honey Store), with a rate of 592 pcu/h or 4.10% of the total number of side barrier events at that location, which is 14450 pcu/h. These side barriers are classified as high class (H) and are predominantly found in commercial areas with high roadside activity. Thus, it has been demonstrated that side barriers have a notable influence on the performance of the Makassar City Boulevard Road portion, leading to a fall in speed and capacity, as well as a decline in service quality standards.
Kajian lapis perkerasan dan kerusakan jalan pada proyek rekontruksi jalan ruas batas Provinsi Sulteng – Lamonae – Landawe Alifuddin, Andi; Alifuddin, Andi Nurfadillah; Massara, Asma
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34337

Abstract

The Central Sulawesi – Lamonae – Landawe border section is designated as a national route that links the Southeast Sulawesi region with Central Sulawesi, specifically the mining industrial district of Morowali City. This route facilitates not only community mobilization but also the transportation of heavy mining equipment. Daily, the road endures heavy vehicle traffic carrying logistics, which increases the volume and load on this route, leading to pavement layer damage and a decline in service quality. This study aims to analyze the road surface conditions and determine the appropriate handling program using the Surface Distress Index (SDI) and International Roughness Index (IRI) methods, spanning from STA 0+000 to STA 5+500 over a segment length of 5.5 km. Subsequently, it plans the pavement layer thickness design for segments with severe surface damage using the 2017 Pavement Design Manual. The study results indicate that, according to the SDI method, 47% of the road is in good condition, 24% in moderate condition, 16% in minor damage, and 13% in severe damage. According to the IRI method, 27% of the road is in good condition, 49% in moderate condition, 15% in minor damage, and 9% in severe damage. Based on SDI and IRI values, a handling program comprising routine maintenance, periodic maintenance, and reconstruction is established. The pavement layer thickness calculation, based on the 2017 Pavement Design Manual, recommends asphalt pavement with granular base layers, comprising AC WC with a thickness of 40 mm, AC BC with 60 mm, AC Base with 80 mm, and Class A Granular Base with a thickness of 300 mm, along with subgrade improvement with a planned thickness of 200 mm.
Analisis similarity dan korespondensi terhadap restoran cepat saji menggunakan pendekatan Multidimensional Scaling dan Correspondence Analysis Amalia, Wahyuni; Oktavia, Nurike
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34341

Abstract

The similarity of a business can be a threat if not handled properly. One type of business with a fairly high level of similarity and competitors is fast food restaurants. This study compared 8 fast food restaurants that have similar products and services in order to see the level of similarity and variables that influence the fast food restaurant. There were 55 respondents who had filled out the questionnaire. Based on the results of the analysis using Multidimensional scaling, it can be seen that fast food restaurants have similarities viewed from the distance on the position map. Wendy has similarities with A&W, with a distance of 0.39, Hoka-hoka Bento has similarities with Yoshinoya with a distance of 0.535, KFC is closer to A&W, Burger King is closer to McD, Richeese with KFC, and McD is closer to A&W. Meanwhile, from the perceptual map, it can be seen the advantages of each restaurant such as McD is superior in the delivery service variable and KFC is superior in terms of price
Literature review : Conditional based maintenance in manufacture industry Koerniawan, Yani; Wahyu, Andhika
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34377

Abstract

Manufacturing companies are increasingly dependent on the performance of their equipment to remain competitive. The best performance equipment demands accurate and timely maintenance. ConditionBased Maintenance (CBM) is a strategy to prevent functional failures or a significant performance decrease of the monitored equipment. CBM which relies on a wide range of resources and techniques required to detect abnormal situations or predict the future condition of an asset. This paper will create framework to be a basic of guidlenes for selecting parameters. And emphasize framework with literature reviews. Then develop guidelines based on framework which emphasized by literature review. Finally, examine the guidelines by case studies to evaluate the effectiveness of proposed guidelines
Analisis kerusakan dan strategi perawatan pada ketel uap pipa air Miura Eh – 750F di Workshop Politeknik Pelayaran Sumatera Barat Syamsyir, Syamsyir; Yanti , Melda; Devin , Hasri
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34428

Abstract

Pumps play an important role in moving fluids from one place to another. In this study, the Ebara 125 x 100 FS4KA centrifugal pump was used. The thing that made the author interested in conducting this research was the reduction in the performance of the centrifugal pump to circulate water from the training pool to the holding tank and back to the pool. The aim of this was to determine the factors causing the decline in the performance of the centrifugal pump. The method used is observation through data collection and data processing, data obtained from the field, namely wear and tear on the impeller diameter, which greatly influences pump performance. Before the pump was repaired with an impeller diameter of 245 mm, the pump capacity was 78 m3/hour, the pump hydraulic power was 5.8 Kw, the pump head was 27.4 m, the pump efficiency was 43.20%, and the fluid speed was 1,014 m/sec. After repairing the Ebara 125 x 100 FS4KA centrifugal pump by replacing the impeller size by 250 mm, the performance of the Ebara 125 x 100 FS4KA centrifugal pump increased by 80 m3/hour, pump hydraulic power 6.04 KW, pump head 28 m, pump efficiency of 45.24%, and fluid velocity of 1,032 m/sec.
Reducing the rust defect rate of K59 cap fuel filler products in the progressive pressing line using the DMAIC method Ramadhan, Wanda Gilang; Intani, Arvita Emarilis; Prasetyo, Sutrisno Aji
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.34450

Abstract

This research aims to find out how to apply the method to help analysed problems, identify the causes of problems in the production of Cap Fuel Filler K59 at Company defect level in production results. Determining the selected data using purposive techniques. Data collection was carried out by collecting primary and secondary data through literature studies, field studies, observations, interviews and documentation. The data analysis procedure was carried out using the DMAIC method (define, measurement, analyze, improvement and control). After data analysis, improvement efforts are carried out with the following actions: (1) making special placements for re-delivery parts; (2) changing the plastic layer to paper as a base that covers the surface of the box; (3) give skates to the parts in the box in the amount of 2 pcs/column; (4) adding a rust category to the Q-point to be posted in the production and checking area. After carrying out these improvement actions, the number of defects in the products produced decreased and this was indicated by an increase in the sigma value from 3.6% to 3.9%. 

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