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Go-Integratif : Jurnal Teknik Sistem dan Industri
Published by Universitas Singaperbangsa Karawang
ISSN : 27237842     EISSN : 27453510     DOI : https://doi.org/10.35261/gijtsi.v1i01
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Industrial & Manufacturing Engineering
Go-Integratif : Jurnal Teknik Sistem dan Industri merupakan jurnal ilmiah yang diterbitkan oleh Fakultas Teknik Universitas Singaperbangsa Karawang, dan sebagai sarana publikasi hasil penelitian serta sharing perkembangan ilmu teknik sistem dan industri. Jurnal ini memuat artikel yang belum pernah dipublikasikan sebelumnya yang berupa artikel hasil penelitian, penelitian terapan ataupun artikel telaah yang berkaitan dengan ergonomi, sistem manufaktur, manajemen industri, sistem rantai pasok dan sistem informasi enterprise. Informasi mengenai pedoman penulisan artikel dan prosedur pengiriman artikel terdapat pada setiap penerbitan. Semua artikel yang masuk akan melalui ‘peer-review process’ setelah memenuhi persyaratan sesuai pedoman penulisan artikel. Penerbitan jurnal ini dilakukan dua kali setahun yaitu pada bulan Mei dan November.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 53 Documents
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Evaluasi Penjadwalan Waktu Pada Proyek Pembangunan Rumah dengan Metode CPM (Studi Kasus: Pembangunan Rumah Tinggal di Perumnas Kabupaten Karawang) Sigit, Radyta Alicia Pramestia; Al-Muqaffa, Figar Wafiq; Sutrisno, Sutrisno
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 4 No. 02 (2023): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v4i02.10876

Abstract

Project scheduling can help to show the relationship between the activities carried out by the project. This scheduling also functions to prioritize the travel process of a previous activity before the next activity is carried out. One scheduling method that can be used is CPM (Critical Path Method). This research aims to evaluate house construction projects in Perumnas Karawang Regency. In this research, the data taken is primary data and secondary data. Primary data was obtained directly from interviews between homeowners and researchers. The results of this research discussion showed that the critical path results were A-B-C-D-G-H-I-J-K with details of activities: preparing materials, installing foundations, assembling and installing metal slup, installing hebel, plastering walls, plastering walls, painting walls, installing ceilings and installing ceramics. Scheduling house construction projects in Perumnas Karawang Regency using the CPM method can be completed within 60 days.
Analisis Tata Letak Produksi CNC Batik dengan Group Technology dan Particle Swarm Optimization Fauzi, Rifqi; Hartanti, Sri; Safitri, Tari Hardiani; Rifai, Achmad Pratama; Saifurrahman, Anas
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 4 No. 02 (2023): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v4i02.10950

Abstract

The production of batik experiences an increasing demand every year. This requires an improvement in both productivity and flexibility in the batik production process. Layout becomes one of the crucial factors in enhancing productivity and flexibility since it influences the material handling process. Well-designed facility layouts can improve the smoothness of material transfer operations, reducing material handling distances and, consequently, lowering material handling costs. This research aims to provide the best alternative layout. Several stages are carried out in this research, including classification to group cells based on part family, using the Rank Order Clustering (ROC) and Similarity Coefficient (SC) methods. Next, the calculation of the shortest transfer distance is conducted using Distance-Based Score Calculation, along with the use of Particle Swarm Optimization (PSO) to determine the department sequence. The research results show that the same cell grouping is achieved using both ROC and SC methods, with Cell 1 {Spray paint, proxy paint, Compressor, Welding, Grinding}, and Cell 2 {CNC Milling and CNC Turning}. Based on the distance traveled problem, it is found that the travel distance on the existing intuitive layout and the new suggested flow is 315.75 and 292.96, respectively. Therefore, by implementing group technology to implement cell manufacturing, it can provide a more effective and efficient material flow and Work In Process (WIP). Meanwhile, the results PSO yields a total minimum travel distance of 7,701.851 meters and a total material handling cost of Rp. 220 per meter, resulting in a total material handling cost of Rp 1,694,407.
Evaluasi Beban Kerja Mental Pekerja yang Terpapar Kebisingan pada Perusahaan Mebel Kontesya, Kamelia; Sari, Andesi Purnama; Ridhana, Ihsan; Adelino, Muhammad Ilham
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.11238

Abstract

The furniture industry focuses on producing frames, panel doors, windows, and various furniture variations. During its operations, a significant portion of the work involves the use of tools or machines that generate loud noise and require substantial effort. The objective of this research is to identify categories of mental workload on workers and propose feasible improvements. The methods used were the National Aeronautics and Space Administration-Task Load Index (NASA-TLX) and the Rating Scale Mental Effort (RSME). All workers were actively engaged in this study. The results found that all workers were categorized into high and very high levels with a workload score range of 62.67-81.33. The highest influencing indicator was performance (25.45%). These findings were corroborated by the RSME results, where the average score falls within the range of 70-90 out of 150. Based on these results, improvements could be made by increasing the number of workers for job rotation.
Analisis Faktor Keterlambatan Pasokan LPG pada PT Pertamina Energy Terminal LPG Tanjung Sekong Zalfaa, Alyani; Fitriani, Riska; Handayani, Melia; Prasetiowati, Alifia Sri; Ghani, Zaki Abdul; Tsani, Rubby Rahman; Rahmawati, Anisa Yuli
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.11298

Abstract

PT Pertamina Terminal LPG Tanjung Sekong is a company engaged in petrochemicals, more specifically engaged in the management of Liquefied Petroleum Gas (LPG) terminals in Tanjung Sekong, Merak, Banten. The company is a subsidiary of PT Pertamina International Shipping and has been operating since April 2012. Currently, the increase in gas demand in Indonesia is increasing, it means that the Indonesian people still need gas. In this case, PT Pertamina Tanjung Sekong LPG Terminal has a problem with delays in loading and unloading ships in supplying Liquefied Petroleum Gas (LPG). The delay was triggered by several factors, including administrative constraints, bad weather, and too many ship waiting lists. This study used a fishbone diagram method, Root Cause Analysis (RCA), and 5 Whys to identify the root of the problem. The results of the analysis show that improved ship arrival time predictions, more effective administrative handling, and better weather monitoring can reduce LPG gas supply delays. Recommendations include the development of a time-of-arrival prediction system, increased awareness of the accuracy of administrative data, and cooperation with the Meteorology, Climatology, and Geophysics Agency (BMKG) for better weather monitoring.
Simulasi Sistem Pelayanan Pemesanan Kedai Kopi XYZ Cabang Sidewalk - Jimbaran Utami, Ni Made Cyntia; Sitanggang, Bryan Estavan Imanuel; Widhiatmika, I Wayan Ananta; Wahyuni, Ni Nengah Trisna; Aryani, Ni Ketut Indah
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.11321

Abstract

Modeling real systems into a model is done through simulation, which is a method to replicate existing real systems with characteristics that are easier to observe than the original system. Kedai Kopi XYZ is one of the famous coffee brands in Indonesia. The location of the research carried out was at the XYZ Coffee Shop, Sidewalk branch, Jimbaran. The reason this place was used as a research location was because there were queues in the service system. The data that has been obtained from the field is then processed using Stat::Fit and ProModel. When the system with the existing data is run simulation, there are still blocks in the Entity States and there are full or bottlenecks in the Multiple Capacity Location States. Providing suggestions for improvements to minimize blocks and overflows in the system. The improvement proposed by observers is to improve capacity at locations in the system. By changing the existing capacity, minimal blocks and fulls will be produced and can be said to be reasonable in the system. Thus, it can be concluded that the model system at the XYZ Coffee Shop, Sidewalk branch, Jimbaran can work optimally.
Penentuan Rute Pembukaan Gerai Baru dengan Vehicle Routing Problem with Time Windows Pendekatan Nearest Neighbor Hajar, Granita; Rachmaniar, Desita Nur; Fauzi, Muhammad Dzulfikar
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.11323

Abstract

The food and beverage industry are gaining significant attention among the public, as evidenced by the increasing number of food and drink outlets emerging. In some cities, there are even dozens of outlets due to the high level of enthusiasm among people. One particularly popular type of drink outlet currently is boba or bubble tea. Previous research has been conducted to identify potential locations for new outlets. Following the recommendations for new outlets, the research continued by determining the delivery routes for raw materials. The objective of this research is to establish new distribution routes for existing beverage outlets across several locations to minimize travel distance and transportation costs. This study utilizes the Vehicle Routing Problem with Time Windows (VRPTW), which is the most used VRP model in the industrial sector. The results of this research yielded two routes, with distances of 96.4 km and 35.7 km respectively, and travel times of 289.2 minutes and 163.5 minutes.
Proses Pengambilan Keputusan Bantuan Beasiswa SEHATI di Yayasan Senyum Kita dengan Metode DEMATEL dan F-AHP Syahruni, Aenun; Kurniawan, V. Reza Bayu; Ma’arif, Syamsul
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.11386

Abstract

The decision-making process for selecting recipients of the SEHATI Scholarship by the Yayasan Senyum Kita frequently faces challenges in ensuring transparency and fairness. This study aims to enhance the decision-making system by applying the DEMATEL (Decision Making Trial and Evaluation Laboratory) and F-AHP (Fuzzy Analytic Hierarchy Process) methods. The research involved 20 children for the 2023/2024 academic year during the odd semester, examining three main criteria: parental income (K1), orphan status (K2), and disability (K3). Results from both methods indicated that the K2 criterion dominates the selection process. The DEMATEL analysis revealed that K2 has the most significant influence on decision-making, while F-AHP confirmed this influence by assigning it the highest weight of 0.37 out of 1.00. Furthermore, both methods suggested a nearly identical number of qualified children, with DEMATEL identifying 11 and F-AHP 10. The application of DEMATEL and F-AHP successfully increased transparency and objectivity in the selection process and recommended a more systematic framework for evaluating scholarship eligibility.
Strategi Peramalan dan Pengendalian Persediaan Suku Cadang di Industri Pengolahan dan Importir Kayu Lapis Amallynda, Ikhlasul; Wicaksono, Erwin
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol. 5 No. 01 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i01.12005

Abstract

PT. XYZ is a plywood product manufacturer and exporter. Currently, spare parts inventory management is still done intuitively based on data about previous periods' spare parts needs. As a result, when spare components are required, there is sometimes a shortage. Spare parts inventory management is a challenging subject because it necessitates a quick response to limit damage time and the risk of production machine part obsolescence. Furthermore, spare parts have a distinct demand pattern in which demand does not arise at the same time every time and has a large variance. As a result, it can be classified as intermittent or lumpy demand. So, in this study, spare parts inventory control will be explored, beginning with the classification of spare parts using the ADI-CV approach. The simple moving average approach, single exponential smoothing, Croston's method, Syntetos-Boylan approximation (SBA), and Montecarlo simulation are used to estimate the need for spare components. The performance of forecasting systems is compared by taking five metrics of accuracy into account: A-MAPE, ME, and MSE. The periodic review approach will be used to calculate a safety stock, reorder point, and optimal order quantity based on the results of the best forecast of demands.
Perancangan Desain 3D dan Analisis Struktur Meja Industri Menggunakan Metode Finite Element Analysis Saputra, Gading Arya
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol 5 No 02 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i02.12202

Abstract

The differential carrier is one of the components of heavy automotive vehicles, such as trucks, manufactured by PT XYZ. Alongside the production capabilities, the manufacturing of differential carriers requires proper production facilities, one of which is the industrial table. The industrial table at PT XYZ is utilized as a platform for placing components and transferring them from the production area to the inspection section. Differential carriers have a relatively large mass, and each month, there are 10 to 20 repair or replacement orders for industrial tables and shutters due to structural failures. Therefore, a structural design and strength analysis are needed to prevent failures that may endanger workers.  This study employs the stress analysis method to determine the structural strength of the frame. Based on the analysis using AISI 1050 carbon steel, the results showed a maximum Von Mises stress of 39.5951 MPa, a 1st principal stress of 41.0076 MPa, a maximum 3rd principal stress of 7.94286 MPa, a maximum displacement of 0.304201 mm, and a minimum safety factor of 5.22393. Meanwhile, the analysis using Stainless Steel 202 yielded a maximum Von Mises stress of 39.7617 MPa, a 1st principal stress of 41.06 MPa, a maximum 3rd principal stress of 7.77192 MPa, a maximum displacement of 0.298047 mm, and a minimum safety factor of 10.3694.  The analysis results indicate that Stainless Steel 202 performs better compared to AISI 1050 Steel.
Penerapan Algoritma Evolutionary dan Nearest Neighbor untuk Optimasi Rute Distribusi Utami, Rika Sri; Arifin, Riski; Lufika, Raihan Dara; Dio, Rafi; Manihuruk, Hendrik Vicarlo Saragih
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol 5 No 02 (2024): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v5i02.12518

Abstract

The distribution route is a common issue faced by companies. Companies need to distribute goods to optimize delivery and operational shipping costs. Company XYZ distributes goods to 9 retailers. The problem encountered is that delivery relies only on the intuition of the delivery operators, which is considered suboptimal. Therefore, finding the shortest distribution distance is necessary, one of which can be done using an evolutionary algorithm. An evolutionary algorithm is a population-based stochastic search used to find optimal solutions to a problem. Additionally, distributing goods using the nearest neighbor method determines the route based on the shortest distance between retailers. Thus, the purpose of this study is to find the shortest distribution distance for goods delivered to 9 retailers using an evolutionary algorithm and the nearest neighbor method. The results show that using the evolutionary algorithm, the minimum total distance is 54.5 kilometers, with the route being warehouse-2-1-5-9-4-6-7-3-8-warehouse, while using the nearest neighbor method yields a distance of 55 kilometers, resulting in a difference of 0.5 kilometers.

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