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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 122 Documents
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Pendekatan User-Centered Design untuk Pengembangan Front-End Aplikasi Keuangan UMKM Berbasis Web Darmanto, Darmanto; Muhammad, Ar-Razy; Rustiarni, Rustiarni; Oki Gianto, Rahmad
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.v8i2.357

Abstract

Micro, Small, and Medium Enterprises (MSMEs) play a vital role in the economy of Ketapang Regency but still face challenges in financial recording and management. Many MSME actors have not yet utilized digital technology optimally, leading to manual bookkeeping processes that are prone to errors. This study aims to develop a web-based financial bookkeeping application using the User-Centered Design (UCD) approach, focusing on user needs. The UCD method was applied through four stages: understanding the context of use, specifying user requirements, designing solutions, and evaluating the results. The developed application includes key features such as product management, supplier management, sales recording, receipt printing, and financial reporting. Based on usability testing involving 25 respondents, the application achieved an average satisfaction level of over 85% across aspects of learnability, efficiency, memorability, error handling, and satisfaction. The findings indicate that the application effectively supports MSME actors in recording financial transactions more efficiently, accurately, and reliably. Future improvements may include the integration of digital payment systems, enhanced data security, and interactive graphical financial analysis features.
Perbaikan Sifat Mekanik, Thermal, dan DMA Komposit Polyester Diperkuat Serat Waru/CaCO3 Suteja, Suteja; Hidayatullah, Syarif
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.v8i2.358

Abstract

Natural fibers continue to attract the interest of researchers to develop them as composite reinforcements in automotive and non-construction building interior applications. Basically, natural fiber-reinforced polymer composites are not suitable for applications exposed to heat. Investigating changes in mechanical properties due to temperature increases, this research is very important to conduct. The addition of filler (CaCO3) is known to improve the performance of natural fiber-reinforced polymer composites. This study investigates the physical, mechanical, and thermal properties of polyester composites reinforced with waru fibers with CaCO3 powder filler. The composites were fabricated using the hand lay-up method with a volume fraction of 30% waru fibers and CaCO3 powder with a volume fraction of 0-10%. The density of the polyester composite increased from 1.42 to 1.68 and 1.87 g/cm3 as the volume fraction CaCO3 0-10%. The results of dynamic mechanical analysis (DMA) testing of the polyester composite showed that parameters such as loss modulus, storage modulus, and tan delta also increased with increasing CaCO3 content. Thermogravimetric analysis (TGA) testing also showed increased thermal resistance after the addition of 5% (wt) (STL) and 10% (wt) (ZMB) with a residual combustion of 6.54% and 7.89% for each STL and ZMB composite, respectively. Compared to the TKO composite, it had the lowest combustion residue of 3.61%. Tensile strength and elastic modulus showed the same trend, namely an increase, while the elongation of the composite decreased with the addition of CaCO3 powder. The overall test results showed that polyester composites reinforced with CWf fibers and CaCO3 fillers were suitable for automotive and building interior applications.
Biomassa Sebagai Sumber Energi Alternatif dan Terbarukan Melalui System Literature Review Prastyo, Hadi; Abil Fadila; Muhammad Farrel Syabena; Umadi, Sarah Sakinah; Andika Yuli Heryanto
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.v8i2.362

Abstract

Biomass as a renewable energy source holds immense potential and is applicable across various industrial sectors, being both renewable and sustainable. Renewable energy derived from biomass is widely recognized as one of the most significant energy alternatives due to its environmental friendliness, as it originates from living organisms and has the capacity and availability to serve as a future energy source. This research aims to identify the development of research on biomass as an energy source, specifically in Indonesia, using the Systematic Literature Review (SLR) technique guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. SLR, which follows standardized rules for identifying and synthesizing relevant studies, provides a comprehensive understanding of the topic's current knowledge base. Data were collected from journals using the Publish or Perish application; an initial search of the Google Scholar database yielded 1600 articles, which were rigorously screened, resulting in 1508 exclusions and 92 inclusions for thorough analysis. Ultimately, this SLR method effectively demonstrates the development of research concerning biomass as a renewable energy source.
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.     

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