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INDONESIA
Jurnal Sains dan Teknologi
Published by CV ITTC Indonesia
ISSN : -     EISSN : 28077393     DOI : 10.47233
Core Subject : Science, Education, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering
Jurnal Sains Dan Teknologi (JSIT), merupakan Jurnal Penelitian dan Kajian Ilmiah yang diterbitkan CV.ITTC - INDONESIA dan dikelola langsung oleh Webinar.Gratis dan Even.Gratis yang terbit 3 (tiga) kali dalam setahun. Penyunting menerima kiriman naskah hasil kajian dan penelitian untuk bidang, Teknik Elektro, Teknik Sipil, Teknik Mesin, ,Teknologi Informasi.
Arjuna Subject : Umum - Umum
Articles 218 Documents
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Analisis Manajemen Risiko TI Menggunakan COBIT 5 Domain APO12 pada PT VWX Sanjaya, Aloisius Egi; Wikananda, Ketut Agus; Sitompul , Mayer Dhani; Andayani , Sri
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4192

Abstract

The use of Information Technology (IT) in distribution companies plays a crucial role in supporting operational efficiency, data accuracy, and business continuity. PT VWX is a stationery (ATK) distribution company that procures goods from factories and distributes them to suppliers in large quantities. The company relies on a centralized application provided by the head office and utilizes Microsoft Excel for data input processes. This dependency creates several IT-related risks, including human error in data entry, dependency on centralized systems, limited IT human resources, and outdated hardware specifications. This study aims to analyze IT risk management at PT VWX using the COBIT 5 framework, specifically the APO12 (Manage Risk) domain. The research method involved interviews with IT personnel and an analysis of the As-Is and To-Be conditions. The results indicate that the current IT risk management capability level is at Level 2 (Managed Process), which has not yet reached the targeted Level 3 (Established Process). Therefore, formal procedures, risk registers, and improved risk mitigation mechanisms are required to achieve more systematic and proactive IT risk management.
Perancangan dan Evaluasi Aplikasi MAVA Menggunakan Metode User-Centered Design di Kota Malang Budijono, Hana Angelyn; Ilmananda, Asri Samsiar
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4214

Abstract

This study aims to design and evaluate the MAVA (Malang Vacation App) prototype using User-Centered Design (UCD). MAVA is an integrated digital tourism platform providing information on destinations, culinary, and events in Malang City. The research includes five stages: plan, analysis, design, prototype, and evaluation. Data were collected through interviews and questionnaires involving tourists, business owners, and Malang Tourism Office representatives. The prototype was created using Figma and evaluated using System Usability Scale (SUS) with 20 respondents. Results showed MAVA obtained an average SUS score of 79, categorized as "Good", indicating good usability and adequate user experience. This research contributes to developing user-centered local tourism applications and supports digital transformation in Malang's tourism sector.
Analisis Efisiensi Penggunaan Mesin Produksi Kakao Overall Equipment Effectiveness (OEE) Studi Kasus Pada PT. XYZ Weipsa, Saul; Soll, Yekson; Awom, Titia Erika Sarlota
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4225

Abstract

The cocoa processing industry in Indonesia faces increasing challenges in maintaining production efficiency due to fluctuations in cocoa bean prices, rising operational costs, and stricter product quality requirements. One of the main issues encountered by cocoa processing companies is the occurrence of unplanned machine downtime, extended setup times, and the potential for product defects, all of which directly affect productivity and overall profitability. This study aims to analyze the efficiency of cocoa production machinery utilization at PT. XYZ, an Indonesian cocoa processing company, and to identify the primary sources of inefficiency in order to formulate sustainable improvement recommendations. This research employs a quantitative approach using a case study method. The analysis techniques applied include Overall Equipment Effectiveness (OEE), Mean Time Between Failure (MTBF), Mean Time To Repair (MTTR), and machine utilization ratios. The study focuses on key production machines, namely the cleaner–winnower, alkalizer roasting machine, fuel end unit, and liquor tank, based on realistic hypothetical data that represent daily operational conditions. The results indicate that the OEE value of the roasting machine reaches 79.28%, consisting of an availability rate of 81.25%, a performance rate of 100%, and a quality rate of 97.44%. This OEE level remains below the industry benchmark of 85%, with unplanned downtime and setup losses identified as the dominant contributors to inefficiency. These findings suggest that implementing preventive maintenance, optimizing setup time through the Single-Minute Exchange of Dies (SMED) approach, and enhancing real-time quality control can significantly improve machine productivity and support the long-term profitability of PT. XYZ amid volatile cocoa market conditions.
Sistem Informasi Penjualan Tiket Berbasis Mobile Menggunakan Pemodelan UML Studi Kasus Waterboom Widhiyanti, Rahayu; Voutama, Apriade
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4246

Abstract

The use of technology in the business sector can significantly improve organizational effectiveness and efficiency. A waterboom is one of the tourism businesses that is highly popular among the public. One of the main problems encountered in the manual ticket purchasing process is long queues, especially during long holiday periods when the number of visitors increases, resulting in ticketing congestion. This condition leads to inefficiencies and reduces visitor convenience. Therefore, it is necessary to develop a waterboom information system that not only provides information about waterboom facilities but also enables online ticket purchasing, so that visitor queues can be reduced and ticket accumulation can be avoided. In addition, the system can assist management in monitoring and managing ticket sales more effectively. In designing the infrastructure of a mobile-based application system, Unified Modeling Language (UML) is used as a design modeling tool. UML is a visual modeling language that supports the system design process and helps minimize errors during application development. The proposed ticketing application is developed using several technologies, including Eclipse as an integrated development environment (IDE) for smartphone platforms, PHP (Hypertext Preprocessor) as the programming language, and MySQL as the database management system.
Penerapan Quality Control Circle (QCC) dengan Siklus PDCA 8 Langkah untuk Perbaikan Proses Perakitan pada Produksi Drape Septiana, Muhamad Fikri; ., Setiawan; Purwanto, Cipto
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4264

Abstract

The quality standards in the assembly process of hoses and connectors for drape products at PT XYZ still face issues related to the high number of non-conforming products (NG), caused by difficulties in assembling the hose to the connector due to uneven and imprecise hose cutting results. This condition leads to increased customer complaints due to installation difficulties on the user's side. Additionally, the variation in hose cutting results causes inconsistencies in product quality, increasing the risk of production cost wastage. This study aims to identify the main causes of defects in the hose and connector assembly process and formulate a systematic improvement proposal to reduce NG levels and enhance the production process quality. The method used is Quality Control Circle (QCC) with an eight-step PDCA approach. Data collection techniques include direct observation in the production area, interviews with operators and related teams, and analysis of historical NG product documentation. Root cause analysis is carried out using the Seven Tools of Quality, particularly the Pareto chart and fishbone diagram, to determine the dominant factors causing the issue. The results show that the main cause of defects comes from the manual and imprecise hose cutting method, which complicates the connector assembly process. The proposed improvements, including the design and implementation of a hose cutting machine, the use of cutting jigs, and operator training, have proven effective in reducing NG levels and improving the consistency of the hose and connector assembly process quality.
Analisis Usability Website MA Taruna Teknik Al Jabbar Menggunakan Metode SUS Damanik, Najwa Alifah Zulfikar; Sari, Mira Fathilla
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4433

Abstract

Digital transformation in educational institutions demands functional and optimal information platforms. This study evaluates the usability of the MA Taruna Teknik Al Jabbar Medan website using the System Usability Scale (SUS) with a quantitative approach involving students and teachers. Results show an average score of 60.1, placing the platform in Grade D (Marginal Low). While functional, the website requires optimization in navigation consistency and interface design. These findings provide strategic recommendations for design restructuring to enhance user experience and digital information delivery effectiveness.  
Pengaruh Penambahan Abu Sekam Padi pada Stabilitas Tanah Ditinjau dari Nilai California Bearing Ratio (Studi Kasus: Desa Legoksari) Algipari, Muhamad Zidan; Agustian, Yanyan
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4438

Abstract

Indonesia has a vast territory with diverse soil types, including clay soil, which is commonly found and highly plastic, making it susceptible to volume changes due to moisture fluctuations. Desa Legoksari in Darangdan District, Purwakarta Regency, is one such area dominated by clay soil, leading to construction issues like ground subsidence and structural cracks. To mitigate these challenges, soil stabilization was conducted using rice husk ash (RHA), which contains pozzolanic compounds, primarily silica (SiO₂), known to improve soil strength. This study examines the effect of RHA addition on the California Bearing Ratio (CBR) of clay soil, using mixture variations of 6%, 10%, 14%, and 18% under unsoaked conditions with a one-day curing period. The soil was classified as A-7-6 according to AASHTO and CL (moderate plasticity inorganic clay) according to USCS. The original CBR value of the soil was 7.44%, whereas stabilization resulted in an increasing trend, with values of 10.89% (6%), 13.99% (10%), 20.17% (14%), and 5.66% (18%). Additional tests with 13% and 15% mixtures verified that the 14% composition was the most optimal, yielding CBR values of 15.90% and 16.66%, respectively. These findings confirm that RHA effectively enhances the bearing capacity of clay soil, with an optimal mixture of 14%, which boosts the CBR value by up to 271.10% compared to the original soil condition.
Perancangan Ulang Website MA Taruna Teknik Al Jabbar Berbasis User Centered Design (UCD) Berdasarkan Analisis Usability Menggunakan System Scale (SUS) Panjaitan, Indah Riski; Zahra, Mauli Fathia; Angraini, Riska
Jurnal Sains dan Teknologi (JSIT) Vol. 6 No. 1 (2026): Januari - April
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v6i1.4441

Abstract

School websites serve as important media for delivering information and digital services to users. However, a website that does not pay attention to usability aspects can reduce its effectiveness. This study aims to redesign the website of MA Taruna Teknik Al Jabbar Medan based on the User Centered Design (UCD) approach, using usability analysis conducted with the System Usability Scale (SUS) method. The research employs a quantitative approach by distributing a SUS questionnaire consisting of 10 Likert-scale statements to students and teachers as website users. The SUS score results are used to identify usability issues in the existing website. Based on the analysis results, a website redesign is carried out following the UCD stages, including understanding the context of use, specifying user requirements, producing design solutions, and evaluating the design. The results of this study are expected to produce a website design that is more effective, efficient, and easy to use, as well as to improve user satisfaction with the school website.

Page 22 of 22 | Total Record : 218

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