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Jurnal Informasi Sains dan Teknologi (ISAINTEK)
Published by Politeknik Negeri Fakfak
ISSN : 26210940     EISSN : 28292758     DOI : https://doi.org/10.55606/isaintek.v4i2
Core Subject : Science, Education,
Computer Science & IT Other
Jurnal Informasi, Sains dan Teknologi adalah jurnal yang ditujukan untuk publikasi artikel ilmiah yang diterbitkan oleh P3M Politeknik Negeri FakFak. Jurnal ini adalah Jurnal Informasi, Sains dan Teknologi yang bersifat peer-review dan terbuka. Bidang kajian dalam jurnal ini termasuk sub rumpun Ilmu Teknik Sipil dan Perencanaan Tata Ruang, Keteknikkan Industri, Teknik Elektrinika dan Komputer, Teknik Kebumian dan Perkapalan. Jurnal Informasi, Sains dan Teknologi menerima artikel dalam bahasa Inggris dan bahasa Indonesia dan diterbitkan 2 kali setahun: Juni dan Desember
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Sain dan Teknologi Air
Articles 151 Documents
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Cashless society: Tantangan dan Kesiapan Masyarakat di Kabupaten Fakfak Muh. Fachruddin; Basri, Hasan; Nur, Muhammad
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.363

Abstract

The development of information and communication technology has significantly transformed the way people conduct financial transactions. One prominent shift is the transition from cash-based transactions to non-cash payment systems, commonly referred to as a cashless society. The core concept of a cashless society relies on transactions conducted through electronic payment instruments. This study aims to examine the challenges and readiness of the Fakfak Regency community in navigating the transition toward a cashless society. Using a qualitative approach, data were collected through surveys and in-depth interviews with various stakeholders, including the general public, local government, financial institutions, and local business actors. Most existing studies on cashless society predominantly focus on urban areas and regions with well-developed digital infrastructure. This research offers novelty by exploring the challenges and readiness of communities in Fakfak Regency, one of the 3T (frontier, outermost, and disadvantaged) regions in West Papua, characterized by limited digital infrastructure, low financial literacy, and a significant digital divide. Data analysis was carried out using the Technology Acceptance Model (TAM) to identify factors influencing the adoption of non-cash payment technologies. The findings indicate that the community in Fakfak Regency is not yet fully prepared for a cashless society. The region remains in the early stages of adopting non-cash transactions and faces various obstacles, including limited technological capability and insufficient infrastructure to support improvements in financial and digital literacy. This study provides important contributions by presenting an empirical picture of cashless adoption in a 3T region and offers valuable insights for developing more inclusive, adaptive, and contextually appropriate policies for the local transition toward a cashless society.
Analisis Retaknya Crankshaft pada Auxiliary Engine Mv. Manalagi Tisya Menggunakan Fault Tree Analysis Robbi, Shofa Dai; Danuaga, Anak Agung Gede Agung; Seno, Abdi; Kristiyono , Antonius Edy; Prawoto, Agus; Fitriani, Rika
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.364

Abstract

The crankshaft is a vital component of an engine that converts the linear motion of the piston into rotational motion to produce mechanical power for electricity generation. This study employs a descriptive qualitative method, utilizing data collection techniques such as observation, interviews, and literature review. The objective of this research is to analyze the factors contributing to the occurrence of cracks in the crankshaft of a diesel engine used as a generator prime mover. The findings indicate that the cracks are primarily caused by contamination of the lubricating oil with water, resulting from leakage in the lubricating oil cooler or tube oil cooler. Another contributing factor is the loosening of the connecting rod bolts, which may occur if they are not tightened to the specified torque or if a torque wrench is not used during installation. Corrective measures undertaken include replacing the gasket, repairing or replacing the leaking tube oil cooler, and retightening the connecting rod bolts using a torque wrench in accordance with the manufacturer’s specifications.
Implementasi Critical Path Method Dalam Alur Proses E-Tendering Pengadaan Barang/Jasa Chairani, Nanda; Rozi, Syamsyida
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.375

Abstract

Procurement of goods/services is an activity to obtain goods/services whose process starts from planning needs and then the e-tendering process is carried out. In optimizing the e-tendering process flow for procurement of goods/services, a method called the critical path or critical path method (CPM) can be used. Critical path method (CPM) is a technique used to determine the most important (most critical) series of activities and the total duration in a project or job. Based on the analysis that has been carried out, the optimal time for the e-tendering process flow for procurement of goods/services is 27 days with a critical path path of A-B-C-E-F-G-H-I-J-K-L-M-N-O-P. Activities that are on the critical path include auction registration (A), response of interest and disinterest (B), downloading documents (C), input of bids (E), opening of bids (F), administrative evaluation (G), qualification evaluation (H), technical evaluation (I), price evaluation (J), proof of qualifications (K), negotiation (L), determination of the winner (M), announcement of the winner (N), objection period (O), and letter of appointment of goods/services provider (P).
Penerapan Design Thinking dalam Pengembangan Aplikasi Mobile Penjualan Kosmetik dan Manajemen Inventori Kadaluarsa: Studi Kasus Toko ANHA annisa, annsa rahma cahyani woretma; Sakinah, Nur; Fachruddin, Muh.; Saputri, Tri Bata Biru; Basri, Hasan
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.378

Abstract

Digital transformation is an urgent need for MSMEs to maintain competitiveness, yet many businesses like Toko ANHA Kosmetik still rely on manual operational systems that pose a high risk of inefficiency and losses due to expired products. This study aims to design and develop a mobile-based cosmetic sales application capable of integrating inventory management with an early warning feature for product expiration. The methodology employed is Design Thinking, encompassing the stages of empathize, define, ideate, prototype, and test to ensure the solution is user-centered. The results indicate that this approach successfully identified the primary pain points of the store owner and translated them into functional features such as automatic T-30 expired date notifications and digital product catalogs. System testing was conducted using Black Box Testing, yielding 100% functional validity, and User Acceptance Testing (UAT), which resulted in an average score of 83.49%, categorized as "Excellent." This study concludes that the designed application is not only technically effective in preventing operational losses but also highly acceptable to MSME users due to its intuitive and functional interface.
Revitalisasi Ekonomi Pesisir Berbasis Tradisi Kera Kera: Kajian Business Model Canvas di Teluk Berau dengan Pendekatan Partisipatif Pongsapan, Marchelyn; Ramadhana, Arga; Novita Fransisca
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.381

Abstract

Penelitian ini bertujuan mengembangkan strategi ekonomi pesisir berkelanjutan di Teluk Berau, Distrik Kokas, Kabupaten Fakfak, melalui integrasi tradisi lokal kera-kera ke dalam kerangka Business Model Canvas (BMC). Tradisi kera-kera berfungsi sebagai mekanisme adat untuk melestarikan sumber daya alam serta meningkatkan kesejahteraan masyarakat melalui pengelolaan hasil laut secara kolektif. Penelitian ini menggunakan pendekatan kualitatif deskriptif partisipatoris, dengan teknik pengumpulan data berupa wawancara mendalam, observasi partisipatif, dokumentasi, dan diskusi kelompok terarah. Analisis data dilakukan dengan model interaktif Miles, Huberman, dan Saldaña. Hasil penelitian menunjukkan bahwa praktik buka tutup kera-kera berdampak pada peningkatan kuantitas dan kualitas hasil tangkapan, mendorong aktivitas ekonomi lokal, serta membentuk dasar model BMC yang merefleksikan kearifan lokal dan prinsip keberlanjutan. Analisis SWOT digunakan untuk merumuskan strategi adaptif dalam menghadapi peluang dan ancaman internal maupun eksternal. Penelitian ini menawarkan kebaruan ilmiah melalui integrasi tradisi adat ke dalam model bisnis modern sebagai upaya revitalisasi ekonomi pesisir sekaligus pelestarian lingkungan. Temuan ini menjadi rujukan dalam pengembangan strategi ekonomi berbasis kearifan lokal dan pedoman kebijakan daerah.
Analisis Dampak Optimalisasi Hasil Tangkapan Nelayan Fakfak Dengan Mesin Produksi Es Balok Ramah Lingkungan Anas, Syukron; Husnah, Nurul; Attamimi, Aqilah; Hardinsih, Festo Andre
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.382

Abstract

Wilayah pesisir seperti Kabupaten Fakfak menghadapi keterbatasan dalam ketersediaan es balok yang dibutuhkan untuk menjaga mutu hasil tangkapan laut. Ketergantungan pada listrik PLN dan mahalnya biaya operasional genset menyebabkan akses terhadap es menjadi terbatas, sehingga ikan hasil tangkapan mudah mengalami penurunan kualitas. Kondisi ini berdampak langsung pada pendapatan nelayan serta efisiensi rantai pasok perikanan. Di lokasi implementasi telah tersedia dermaga yang ditingkatkan agar dapat menampung instalasi sistem mesin es balok dan PLTS dengan aman dan efisien. Untuk mengurangi kerugian tersebut, diperlukan penyediaan es balok yang lebih stabil dan tahan lama tanpa bergantung pada jaringan listrik konvensional. Solusi yang direkomendasikan adalah penggunaan mesin es balok berbasis tenaga surya yang memanfaatkan sistem pendinginan kompresor dan larutan brine. Manfaat dari sistem ini dirasakan oleh nelayan melalui ketersediaan es yang memiliki daya tahan lebih baik terhadap pencairan. Penggunaan energi terbarukan juga memungkinkan pengoperasian di lokasi terpencil dengan biaya operasional yang lebih rendah dalam jangka panjang. Agar sistem ini dapat berjalan secara optimal dan berkelanjutan, diperlukan dukungan teknis, pemeliharaan rutin, serta pengelolaan yang terorganisir dengan baik.
Model PNN Untuk Estimasi Kandungan Lignin pada Dedak Padi Bercampur Sekam Berbasis Citra Warna YCbCr Aziz Kustiyo; Bahri, Zuhdi Mukarom; Ardiansyah, Firman; Agmalaro, Muhammad Asyhar
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.383

Abstract

Adulteration of rice bran is commonly done by mixing it with materials of similar appearance but lower nutritional value, such as ground rice husk. A key indicator of such adulteration is increased lignin content. Adding phloroglucinol solution to the mixture produces a red color that varies with lignin levels. This study aims to estimate lignin content in rice bran-husk mixtures using artificial intelligence and digital image processing. YCbCr color model images of eleven rice bran-husk compositions, treated with phloroglucinol, were analyzed. The lignin content of each variation was measured in the lab and used to define eleven classes. A Probabilistic Neural Network (PNN) was employed as the classifier, with image histograms of varying bin sizes as input. PNN performance was evaluated using 4-fold cross-validation. Results showed the highest average accuracy of 85.80% with 32 bins and histograms from all three YCbCr channels.     
Intelligent Flood Monitoring System Using IoT and Real-Time Notifications Shafira Febriani; Muhamad Aziz Arrozaq; Rivaldo Nugraha; Anggi Cipta Lestari
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.384

Abstract

Flood is a frequent natural disaster in Indonesia, often exacerbated by delays in information delivery from conventional manual monitoring systems. This study aims to design and build an automatic flood early warning system based on the Internet of Things (IoT) integrated with a web dashboard and WhatsApp notifications. The system utilizes the ESP32 microcontroller and MaxBotix MB7389 ultrasonic sensor for real-time water level data acquisition. The Research and Development (R&D) method was employed, focusing on device accuracy validation and system integration. The measured data is transmitted to a .NET-based server and stored in a PostgreSQL database. Results indicate that the system functions according to design. Sensor accuracy testing demonstrated a high degree of precision (99.12% - 100%) compared to manual measurements. Furthermore, the system successfully sends timely warning notifications via WhatsApp when water levels exceed predefined thresholds, providing a more effective solution than manual monitoring to enhance community preparedness.
Peran Universitas dalam Mengurangi Food Loss dan Food Waste: Tinjauan Lintas Sektor di Sembalun, Nusa Tenggara Barat Isnain, Fuad Sauqi; Saloko, Satrijo
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.385

Abstract

Food loss and food waste (FLW) constitute systemic challenges in modern food systems, with direct implications for resource efficiency, environmental sustainability, and food security, particularly in developing countries where horticultural food loss persists upstream while food waste increases in downstream tourism sectors. This review synthesizes literature from 2015 to 2025 on horticultural food loss, tourism-related food waste, and the role of universities in cross-sectoral FLW reduction, using Sembalun, West Nusa Tenggara, as an illustrative agrarian–tourism landscape. The review is based on a multi-database search of academic sources (ScienceDirect/Elsevier, SpringerLink, Wiley Online Library, Taylor & Francis Online, MDPI, and Emerald Insight), complemented by key policy documents from FAO, UNEP, and UNWTO. Thematic synthesis indicates that upstream food loss and downstream food waste reflect structural mismatches between local production systems, tourism consumption patterns, and food governance, and therefore cannot be effectively addressed through isolated sectoral or technical interventions. The review highlights universities as strategic knowledge brokers that facilitate penta-helix collaboration, generate empirical evidence, and support the design of integrated interventions. This study underscores the need to strengthen universities' role in bridging agriculture, tourism, and policy to advance FLW reduction and support sustainable tourism development in rural destinations such as Sembalun, West Nusa Tenggara.
The Effect of Demographics on Food Waste Reduction at Food Stall In Banyumas, Indonesia Simanungkalit, Fany Amelia Putri; Romadlon, Fauzan; Aliyah, Khikmatul
Jurnal Informasi, Sains dan Teknologi Vol. 9 No. 1 (2026): Juni: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v9i1.305

Abstract

Food waste is still a significant problem, affecting food security, the environment, and the global economy. More than 53% of food produced becomes waste. Food waste worldwide totals 1.3 trillion annually. One of the districts with a high food waste rate is Banyumas. The most significant contributor to waste in the Banyumas region in 2021 was food waste, accounting for 39.85%, with much of it generated by restaurants. Restaurants play an essential role in managing food waste, as most food discarded at the preparation stage cannot be reused. This study aims to analyze the relationship between demographics and food waste reduction to support a digital technology approach from a restaurant perspective. This study used quantitative methods. The respondents of this study were 100 restaurants located in Banyumas, including A La Carte, Ramesan, Tegal, and Padang, and the data were analyzed using ANOVA. The results show that demographic factors, including income, age, restaurant opening hours, and the prices of best-selling foods, influence food waste in restaurants. The recommendation is for restaurants to prepare and plan menus. This will affect food prices, opening hours, and revenue. Some restaurants can increase their knowledge of handling food waste.

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