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G-Tech : Jurnal Teknologi Terapan
Published by Universitas Islam Raden Rahmat Malang
ISSN : 25808737     EISSN : 2623064X     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering
Jurnal G-Tech bertujuan untuk mempublikasikan hasil penelitian asli dan review hasil penelitian tentang teknologi dan terapan pada ruang lingkup keteknikan meliputi teknik mesin, teknik elektro, teknik informatika, sistem informasi, agroteknologi, dll.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 897 Documents
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Optimalisasi Proses Packing di PT. XYZ Melalui Identifikasi dan Analisis Downtime Enda; Agus Suwarno; Supriyati Supriyati
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5237

Abstract

PT. XYZ is a manufacturing company that operates in the field of making motorbikes, the production process is divided into two departments or parts, namely assembly and packaging. However, problems often occur in companies, namely related to fulfilling consumer demand, in the form of targets not being achieved, this occurs because of the high value of downtime in the production process. The aim of this research is to identify and analyze activities that cause downtime in the production process. This research uses qualitative-quantitative methods. The research results show that there are six activities that are indicated to be the main causes of downtime in the packing process, with the highest values being material supply activities and communication with foreman between production activities, reaching 78% of the total downtime. Several recommendations for improvements proposed from the research results include efficiency of material supply methods, communication arrangements, creation of operational process maps, implementation of the FIFO system, and improvements to layout on conveyors.
Sintesis Surfaktan Lauroil Etanolamida Berbasis Palm Kernel Oil (PKO) Sebagai Surfaktan Ramah Lingkungan Birnomianta Sitepu; Rizki Hidayat; Tazkiatun Naf Azzahra; Herawati Oktavianty
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5244

Abstract

This study aims to synthesize lauric acid from PKO which is then used in the synthesis of lauroyl ethanolamide with variations in synthesis temperature and the ratio of monoethanolamine to lauric acid. The stages of the process carried out include the synthesis of lauric acid and its characterization, the synthesis of lauroyl ethanolamide by varying the synthesis temperature (55, 65, 76 °C), and the mole ratio of lauric acid: monoethanolamine (1:4, 1:6, 1:8) for further surface tension testing and FT-IR testing. The results showed that lauric acid was successfully synthesized, marked by the presence of carbonyl groups (C=O), -OH, C-C, and C-H in the FT-IR test. The synthesis of Lauroyl Ethanolamide was successfully carried out, indicated by the FT-IR test where the C-N, C=O, and C-H groups were present as the forming groups. The surface tension approaching the standard Lauroyl Ethanolamine was produced with a variation in synthesis temperature of 65ºC and a mole ratio of lauric acid: monoethanolamine (1:8) with a surface tension value of 50.87 Dyne/cm.
Analisis Pengendalian Kualitas Pada Produk Songkok Menggunakan Metode FMEA dan FTA Pada CV. ABC Ahmad Fasih Hasibu Dzikri; Hidayat Hidayat; Yanuar Pandu Negoro
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5284

Abstract

As the industrial world continues to advance, competition between companies is becoming increasingly fierce. To enhance customer satisfaction, companies must be able to provide the best quality. CV. ABC is a manufacturing company focused on producing *songkok* (traditional caps). However, during the production process, the company faces several challenges, particularly with defective products. The purpose of this study is to conduct quality control using the Failure Mode and Effect Analysis (FMEA) and Fault Tree Analysis (FTA) methods.The results of the FMEA calculations are as follows: the sewing machine encountered needle breakage issues with an RPN (Risk Priority Number) of 448, dull and poorly maintained cutting tools during the stitching process with an RPN of 576, low-quality raw materials with an RPN of 504, and a substandard screen-printing tool with an RPN of 648. Through the FTA method, the causes of failure include human factors, machine malfunctions, and poor-quality raw materials.
Measuring IT Governance in ERP Systems: a COBIT 2019 Evaluation of SAP Material Management Module Putri Aulia Hariman; Melissa Indah Fianty
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5290

Abstract

Information technology systems such as Enterprise Resource Planning (ERP) are crucial for companies to meet their business needs. However, as companies grow, challenges arise, particularly in the Material Management (MM) module within SAP. This study aims to identify issues such as data inaccuracies and material duplication during the interfacing process with SAP MM and assess IT governance capabilities using the COBIT 2019 framework. The methods used include interviews and literature review, focusing on the domains of APO12 (Managed Risk), BAI03 (Managed Solutions Identification & Build), and DSS03 (Managed Problems). The results show that APO12 reached capability level 4, while BAI03 and DSS03 are at level 3, with a target of level 4. Recommendations include enhancing proactive system design evaluation, developing systematic procedures to address data issues, and implementing permanent solutions to prevent data duplication and inaccuracies during interfacing.
Optimization of Electricity Supply in East Nusa Tenggara Through Communal Solar Power Plants: A Case Study of Kupang City Using PVSyst Fahmy Rinanda Saputri; Indra Hadi Prasetya; Agie Maliki Akbar
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5294

Abstract

Certain regions in Indonesia face challenges related to inadequate electricity supply. To address this, it is essential to model and simulate potential solutions before implementation. This study focuses on optimizing electricity provision to resolve a 4 MW deficit in Kupang, East Nusa Tenggara, particularly at night, through the development of a communal Solar Power Plant. PVsyst software is used for analysis to determine the most economical and optimal solar system configuration. The Oelnasi site, selected for its solar radiation levels, land availability, and proximity to the grid, will house 17,411 solar panels covering 28,360 m², with 196 inverters. The system will generate 4.005 kWp of PV power, with a maximum DC power of 3.583 kWDC, and an AC power of 2.940 kWAC. Simulation results indicate that the Oelnasi Solar Power Plant can supply stable nighttime electricity and reduce CO2 emissions by approximately 7,200 tons annually.
Usulan Perubahan Tata Letak Fasilitas Produksi UMKM IBS Menggunakan Metode ARC dan ARD Daffa Aqilah Nanda Nugraha; Hidayat Hidayat; Yanuar Pandu Negoro
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5318

Abstract

MSME IBS is a home industry that produces baby sofas, baby bedding, etc. MSME IBS faces material handling problems due to poor layout management factors, as well as the realization of the amount of production that does not reach the predetermined target. The research aims to solve the problem of poor layout to be better using the ARC and ARD methods. The resulting efficiency is 49% with a distance of 1512,5m resulting in a decrease of 51% from 100% of the initial distance with a distance of 3085m after making changes from the initial layout to the proposed layout. For this reason, it requires facility improvements to reduce the distance traveled and the accumulation of goods that make the production flow narrow and far by applying the proposed layout between production rooms in order to reduce material handling.
Analisis Tingkat Resiko Gangguan Musculoskeletal Disorder (MSDs) Pada Pekerja Konveksi Sablon Plastik dengan Metode REBA dan OWAS Mochammad Wachid; Hidayat Hidayat; Yanuar Pandu Negoro
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5341

Abstract

Human labor plays a vital role, especially in Manual Material Handling (MMH) processes. While these activities are crucial for smooth operations, they often lead to musculoskeletal disorders (MSDs). MSDs are long-term consequences of improper workstation postures. This research aims to identify the working postures of screen printing workers and propose ergonomic desk designs as improvements. The REBA and OWAS methods can be applied. REBA focuses on assessing the entire body posture of workers, while OWAS aims to identify work activities that potentially cause MSDs. The calculated REBA score is 7, and the OWAS score is 2, indicating a need for preventive measures. The proposed solution is an ergonomic desk design that adjusts to the worker's height.
Analisa Harmonisa dan Faktor Daya Peralatan Listrik Rumah Tangga Pada Sistem Tegangan Rendah 220 V Eva Magdalena Silalahi
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5352

Abstract

Common domestic electrical equipment include air conditioners, televisions, fans, washing machines, refrigerators, rice cookers, irons, water heaters, computers, laptops, and others. TVs, PCs, and laptops are nonlinear electrical loads that generate harmonics with low power factors. This study intends to determine theTHDv and THDi of electrical equipment and compare them with the IEEE 519-2014 standard. The power factor relates to the PLN power factor standard of ≥0.85. The data analysis results demonstrate that this electrical equipment's THDv fulfills the norm. Nonlinear load electrical equipment is often made up of electronic components with a THDi of 118.36% to 216.42% and a power factor of 0.36 to 0.6. THDi and power factor vary, namely: THDi 7.60% to 22.73% and a power factor of 0.46 to 0.98. And linear load electrical equipment, THDi 1.07% to 2.10%, and power factor 0.98 to 1.0.
Analisis Erosi Aktual Menggunakan Software ArcGIS pada Sub DAS Durensewu, Waduk Gadjah Mungkur Wonogiri Haidar Fari Aditya; Muhammad Fikri Yuhdistira; Dinna Hadi Sholikah; Dimas Prabowo Harliando; Fitri Wijayanti
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5358

Abstract

Soil erosion is an environmental problem in the tropics that can cause the loss of topsoil. If it continues, it will result in a decrease in soil fertility and land productivity. So, it is necessary to quickly predict the erosion hazard level using the USLE method based on GIS. This research aims to analyze the distribution of erosion hazard levels in the Durensewu Sub-watershed, Gadjah Mungkur Reservoir Wonogiri, based on GIS. The research was conducted in the Durensewu Sub-watershed, Wonogiri, in January-April 2024. Data processed include rainfall (R), erodibility (K), slope (LS), and land cover and management (CP). The R-value in the Durensewu Subwatershed is 169.24-204.216. Soil groups of Ustropepts and Dystrudepts showed K values of 0.39 and 0.46, respectively. The topography of the Durensewu Subwatershed is gently sloping to very steep. Mixed gardens, settlements, and rice fields dominate land use. The erosion hazard level in the Durensewu Subwatershed is evenly distributed in the mild, moderate, and severe hazard classes.
Analisis Pengendalian Persediaan Pasir Silika dengan Metode EOQ dan JIT pada PT. ABC A. Yassir Ardani; Moh. Jufriyanto; Hidayat Hidayat
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5361

Abstract

PT. ABC is a business that operates in the cement production sector. This company often experiences silica sand raw material inventory below the minimum limit of the safety stock applicable in the company for each month, as a result of which the high frequency of orders causes the cost of ordering to swell. Therefore, an analysis of raw material inventory control must be carried out in order to determine the maximum inventory quantity. EOQ and JIT are techniques in controlling inventory that are relatively easy to minimize the total cost of inventory in the form of total storage and ordering costs. The results obtained with a need for 297,985 tons, the cost charged by the company in one year is Rp. 100,671,298. With the EOQ method, the cost is Rp. 38,236,200 or 62% more efficient. JIT method costs Rp. 15,609,863, or 85% more efficient than the company's policy.

Page 58 of 90 | Total Record : 897

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