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INDONESIA
J@TI (TEKNIK INDUSTRI)
Published by Universitas Diponegoro
ISSN : -     EISSN : 25021516     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
J@ti Undip: Jurnal Teknik Industri [e-ISSN 2502-1516] merupakan jurnal nasional yang mengangkat tulisan-tulisan penelitian dalam disiplin ilmu teknik industri. Pertama kali terbit sejak tahun 2006 hingga saat ini dengan frekuensi terbit tiga (3) kali dalam setahun. Setiap edisi terbitan berisi 8 artikel jurnal. Terbit setiap Januari, Mei, dan September.
Arjuna Subject : -
Articles 456 Documents
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EVALUASI USABILITY WEBSITE PRODUK ORGANIK DENGAN METODE SYSTEM USABILITY SCALE Nabila, Aisyah Sifa; Setyaningrum, Ratih
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.163-178

Abstract

Peran User Interface (UI) dan User Experience (UX) sangat penting dalam meningkatkan kemudahan penggunaan dan kepuasan pengguna website. Permasalahan utama penelitian ini adalah ketidakpastian faktor usability yang paling berpengaruh terhadap persepsi pengguna. Penelitian ini bertujuan mengevaluasi pengaruh learnability, efficiency, memorability, dan tampilan/fitur terhadap persepsi antarmuka website produkorganik.id. Metode yang digunakan adalah pendekatan kuantitatif dengan kuesioner System Usability Scale (26 butir pertanyaan) yang divalidasi ahli dan diisi oleh 51 responden. Analisis dilakukan menggunakan uji validitas, reliabilitas, normalitas, regresi linier berganda, dan One Way ANOVA. Hasil penelitian menunjukkan bahwa learnability (F hitung = 4,529; sig. = 0,000) dan tampilan/fitur (F hitung = 8,844; sig. = 0,000) berpengaruh signifikan terhadap persepsi antarmuka, sedangkan efficiency (F hitung = 2,079; sig. = 0,043) dan memorability (F hitung = 2,655; sig. = 0,011) tidak berpengaruh signifikan. Temuan ini menegaskan pentingnya kemudahan pembelajaran dan kualitas visual dalam meningkatkan pengalaman pengguna. Implikasi praktisnya, pengembang disarankan memprioritaskan perbaikan desain antarmuka yang intuitif dan menarik untuk meningkatkan kepuasan pengguna. Abstract[Usability Evaluation of Organic Product Websites Using the System Usability Scale Method] The role of User Interface (UI) and User Experience (UX) is essential in enhancing website usability and user satisfaction. The main problem addressed in this study is the uncertainty regarding which usability factors have the most significant influence on user perceptions. This research aims to evaluate the effects of learnability, efficiency, memorability, and appearance/features on the interface perception of produkorganik.id. A quantitative approach was employed using a 26-item System Usability Scale questionnaire, validated by experts and completed by 51 respondents. Data analysis included validity, reliability, and normality tests, multiple linear regression, and One-Way ANOVA. The research findings indicate that learnability (F = 4.529; p = 0.000) and appearance/features (F = 8.844; p = 0.000) have a significant effect on interface perception, while efficiency (F = 2.079; p = 0.043) and memorability (F = 2.655; p = 0.011) do not have a significant effect. These findings emphasize the importance of ease of learning and visual quality in improving user experience. In practical terms, developers are encouraged to prioritize intuitive and visually appealing interface designs to enhance user satisfaction.Keywords: user interface; user experience; usability testing
A FRAMEWORK FOR WASTE REDUCTION IN HONEY SUPPLY CHAIN Yudha, I Made Dwika Parama; Dewa, Parama Kartika; Kurnianingtyas, Maria Chandra Dewi
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.197-208

Abstract

Honey is a key raw material in the traditional medicine industry, processed through a supply chain that involves various stakeholders, such as suppliers, producers, and distributors. However, the management of the honey supply chain faces several challenges, particularly related to waste, including overproduction, excess inventory of raw materials, and defective products. This study aims to develop a framework for reducing waste in the honey supply chain using a Seven Wastes approach to identify problems, conduct root cause analysis through a fishbone diagram, and map the roles and classifications of stakeholders in implementing solutions. The results indicate that waste is caused by various factors, and the roles of stakeholders are classified based on supply chain drivers. This classification includes the management of machine capacity and maintenance at facilities, the implementation of Economic Order Quantity (EOQ), Just-in-Time (JIT), safety stock systems, as well as improvements in raw material quality in inventory management and procurement, and information classification using a forecasting system based on historical data. The implementation of these solutions is expected to optimize supply chain management and reduce waste.
STRATEGI TOTAL PRODUCTIVE MAINTENANCE UNTUKMENINGKATKAN OEE DI INDUSTRI: SYSTEMATIC LITERATUR REVIEW Rohman, Muhammad Fatkhur; Irwan, Hery
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.209-219

Abstract

Masalah kerusakan mesin yang berulang dan rendahnya efisiensi proses produksi masih menjadi tantangan utama dalam industri manufaktur. Untuk mengatasi hal ini, Total Productive Maintenance (TPM) diterapkan sebagai pendekatan strategis untuk meningkatkan efektivitas dan produktivitas peralatan. Artikel ini menyajikan tinjauan literatur sistematis terhadap 50 artikel ilmiah yang diterbitkan antara tahun 2018 hingga 2024, yang membahas praktik penerapan TPM di berbagai sektor industri. Mayoritas studi menggunakan Overall Equipment Effectiveness (OEE) sebagai parameter utama untuk mengukur keberhasilan TPM, dengan rata-rata peningkatan OEE sebesar 10% hingga 30%. Namun, ditemukan pula berbagai hambatan, terutama pada sektor UKM, seperti keterbatasan anggaran, kurangnya pelatihan teknis, serta rendahnya kesadaran manajemen terhadap pentingnya pemeliharaan. Selain itu, distribusi literatur masih berfokus pada industri skala menengah dan besar, sedangkan penelitian yang fokus pada UKM masih sangat terbatas. Dengan demikian, terdapat peluang besar untuk mengembangkan model implementasi TPM yang lebih sederhana, adaptif, dan sesuai dengan keterbatasan sumber daya UKM. Kajian ini diharapkan dapat menjadi dasar bagi pengembangan kebijakan, pelatihan, dan strategi implementasi TPM yang lebih inklusif dan aplikatif di masa mendatang. Abstract[Total Productive Maintenance Strategy for Improving OEE in Industry: A Systematic Literature Review] The problem of repeated machine breakdowns and low efficiency of the production process is still a major challenge in the manufacturing industry. To address this, Total Productive Maintenance (TPM) is applied as a strategic approach to improve equipment effectiveness and productivity. This article presents a systematic literature review of 50 scientific articles published between 2018 and 2024 that discuss the practice of implementing Total Productive Maintenance (TPM) in various industrial sectors. The majority of studies used Overall Equipment Effectiveness (OEE) as the primary parameter to measure the success of Total Productive Maintenance (TPM), with an average OEE improvement of 10% to 30%. However, various barriers were found, especially in the SME sector, such as budget constraints, lack of technical training, and low management awareness of the importance of maintenance. In addition, the distribution of literature still focuses on medium and large-scale industries, while research focusing on SMEs is still very limited. Thus, there is a great opportunity to develop a TPM implementation model that is simpler, adaptive, and suited to the limited resources of SMEs. This study is expected to serve as a basis for the development of more inclusive and applicable TPM policies, training, and implementation strategies in the future.Keywords: Total Productive Maintenance; Overall Equipment Effectiveness; 8 TPM Pillars
ADAPTIVE PRODUCTIVITY MODEL: INTEGRATING LEAN OFFICE AND INDUSTRY 4.0 IN MODERN ADMINISTRATIVE SYSTEMS Umami, Anjeli Riza; Jumali, Muhamad Abdul; Rusdiyantoro, Rusdiyantoro
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.220-225

Abstract

In the wake of digital disruption and operational volatility, organizations are compelled to reimagine productivity beyond traditional efficiency. This study introduces an adaptive productivity model by fusing Lean Office practices with Industry 4.0 technologies—specifically IoT, AI, and Big Data analytics—within administrative systems of professional service firms. Using a mixed-methods design, data from 44 participants in a public valuation office were analyzed through multiple regression, revealing a strong predictive capacity (R² = 0.908). Lean Office (β = 0.281, p = 0.016) and Industry 4.0 (β = 0.253, p = 0.020) both demonstrated significant contributions to enhanced productivity and operational responsiveness. Over 93% of respondents observed reduced process time, while 98% acknowledged improved cross-functional collaboration. These results confirm that digital-lean convergence fosters an agile, sustainable, and data-informed working culture. The proposed model offers a future-ready framework for administrative transformation—one that is lean by design, smart by technology, and resilient by culture.
REDUCING SIX BIG LOSSES THROUGH TECHNICAL AND DIGITAL INTEGRATION TO IMPROVE OVERALL EQUIPMENT EFFECTIVENESS (OEE) ON A CARTONER MACHINE IN A PHARMACEUTICAL COMPANY Maukar, Anastasia Lidya; Hanum, Dinda Latifah
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.226-240

Abstract

Improving Overall Equipment Effectiveness (OEE) On Cartoner Machine Using Six Big Losses In Pharmaceutical Company.This research aims to improve the Overall Equipment Effectiveness (OEE) of the Cartoner machine at a pharmaceutical manufacturing facility in Cikarang, Indonesia. The main problem identified was low availability, primarily caused by frequent leaflet jams and delays in spare part replacement. Root cause analysis using Fishbone Diagrams and Pareto Charts revealed that leaflet jams contributed 67% of unplanned downtime.The study applied the Six Big Losses framework, focusing on downtime reduction. Two improvements were implemented. Technically, the suction system was redesigned to enhance leaflet handling and make a form for complaint to the supplier. Digitally, a Spare Parts Inventory Management System was developed using Microsoft Power Apps, enabling real-time stock monitoring, automated alerts, and faster spare part requests. After implementation, OEE improved from 75.36% to 81.90%, and availability increased from 76.94% to 83.62%. This research demonstrates that combining technical upgrades with digital tools can significantly reduce unplanned downtime and enhance production efficiency.  
TINJAUAN BIO-SUPPLY CHAIN BIODIESEL BERBASIS FITOPLANKTON DENGAN ANALISIS LOKASI BUDIDAYA SEBAGAI TAHAP AWAL PERANCANGAN RANTAI PASOK Nababan, Benhard Roni Tua
J@ti Undip: Jurnal Teknik Industri Vol 20, No 3 (2025): September 2025
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jati.20.3.241-248

Abstract

Kebutuhan akan sumber energi terbarukan yang berkelanjutan dan ramah lingkungan mendorong penggunaan bahan bakar renewable seperti bahan bakar berbasis fitoplankton sebagai alternatif bahan bakar masa depan. Penelitian ini bertujuan untuk mengkaji model bio-supply chain yang terintegrasi dan optimal dalam mendukung produksi biodiesel tersebut di Indonesia. Pendekatan yang digunakan bersifat kualitatif-deskriptif melalui studi literatur dan analisis konseptual, dengan fokus pada pengembangan sistem rantai pasok yang berkelanjutan, efisien, dan sesuai dengan konteks nasional. Pengelolaan dan optimasi rantai pasok biomassa dianalisis berdasarkan pengambilan keputusan secara hierarkis pada tiga level utama: strategis, taktis, dan operasional. Pada level strategis, pengambilan keputusan jangka panjang meliputi pemilihan konfigurasi rantai pasok, alokasi sumber daya fitoplankton, investasi infrastruktur pengolahan, serta perencanaan kapasitas produksi. Level taktis berfungsi menjembatani strategi dengan operasional melalui pengaturan penjadwalan produksi, pengelolaan persediaan, serta perencanaan distribusi dan transportasi. Sementara itu, level operasional berfokus pada pelaksanaan harian, seperti waktu panen fitoplankton, pengoperasian fasilitas pengolahan, pengiriman biomassa, serta pengendalian kualitas dan penanganan gangguan di lapangan secara langsung. Hasil analisis menunjukkan bahwa penerapan keputusan strategis pada setiap tahap rantai pasok dapat meningkatkan efisiensi sistem secara keseluruhan. Studi kasus pemilihan Teluk Penyu sebagai lokasi budidaya, penerapan sistem kultivasi mixotrofik, dan pemanfaatan teknologi floating photobioreactor (PBR) menjadi contoh strategi yang mendukung produktivitas dan keberlanjutan produksi biodiesel berbasis fitoplankton. Temuan ini memberikan kerangka awal untuk pengembangan sistem bio-supply chain yang terintegrasi di sektor energi terbarukan. Abstract[Bio-Supply Chain Optimization: an Integrated Renewable Energy Supply Chain System as The Implementation of Phytoplankton-Based Biodiesel]The growing demand for renewable and environmentally friendly energy sources has driven the use of renewable fuels such as phytoplankton-based fuels as alternative fuels for the future. This study aims to examine an integrated and optimized bio-supply chain model to support the production of phytoplankton-based biodiesel in Indonesia. A qualitative-descriptive approach was employed through literature review and conceptual analysis, focusing on the development of a sustainable and efficient supply chain system relevant to national conditions. Biomass supply chain management and optimization were analyzed using a hierarchical decision-making framework at three levels: strategic, tactical, and operational. At the strategic level, long-term decisions include the selection of supply chain configurations, allocation of phytoplankton resources, investment in processing infrastructure, and production capacity planning. The results indicate that applying strategic decisions across all stages of the biomass supply chain significantly enhances overall system efficiency. A case study involving the selection of Teluk Penyu as the cultivation site, the application of a mixotrophic cultivation system, and the use of floating photobioreactor (PBR) technology illustrates key strategic choices that support productivity and sustainability in phytoplankton-based biodiesel production. These findings provide a foundational framework for developing an integrated bio-supply chain system in the renewable energy sector.Keywords: bio-supply chain; phytoplankton; biodiesel

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