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Jurnal Inkofar
Published by Politeknik Meta Industri
ISSN : -     EISSN : 25812920     DOI : https://doi.org/10.46846/jurnalinkofar.v9i1
Core Subject : Health, Science, Engineering,
Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Medicine & Pharmacology Public Health Transportation
Inkofar adalah jurnal ilmiah multidisipliner yang memublikasikan hasil riset, tinjauan pustaka, studi kasus, dan komunikasi singkat pada ranah Teknik Industri, Ilmu Komputer/Teknologi Informasi, dan Ilmu Farmasi beserta irisan di antaranya
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 16 Documents
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Search results for , issue "Vol 9, No 2 (2025)" : 16 Documents clear
GAMBARAN OVERALL EQUIPMENT EFFECTIVENESS (OEE) MESIN FILLING REAGEN CHOLESTEROL FS DI PT. X Sharon, Viona Angelica; Sulanjari, Prasti; Azzahra, Fauzia; Sari, Marta Hayu Raras Sita Rukmika
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.495

Abstract

One of the manufacturers of in vitro medical diagnostic equipment, PT.X, faces challenges with the production efficiency of a chemical clinic reagent called cholesterol FS. High demand led to continuous machine operation, which resulted in machine problems, particularly during the bottle closure process, which reduced production effectiveness. This experiment aim to analyze the production effectivity using Overall Equipment Effectiveness (OEE) method. Three parameters are used in OEE measurement: Availability, Performance, and Quality. The data acquired through direct observation during the filling of a batch of cholesterol FS reagent, including production volume, downtime, rejected product, etc. The investigation resulted the values of Availability is 85.50%, Performance is 59.66% and Quality is 99.81%. According to the finding, the OEE of filling machine from Cholesterol FS reagent is 48.85%. Therefore, more optimization is required to reduce downtime and boost machine performance in order to raise availability and performance in accordance with the World-Class OEE standard
GAMBARAN TINGKAT PENGETAHUAN DAN PERILAKU MASYARAKAT TENTANG SWAMEDIKASI DI DESA TAMAN RAHAYU KECAMATAN SETU KABUPATEN BEKASI Shintia, Siska; Amalia, Tisa; Haifa, Ayu Izzatin
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.463

Abstract

Kesehatan ialah kondisi sehat seseorang baik secara fisik, mental, maupun sosial, yang tidak hanya terbebas dari penyakit untuk memungkinkannya hidup produktif. Salah satu cara masyarakat menjaga kesehatan adalah melalui swamedikasi, yaitu tindakan mengobati diri sendiri. Swamedikasi umumnya dilakukan untuk mengatasi keluhan atau penyakit ringan seperti demam, nyeri, pusing, batuk, influenza, sakit maag, cacingan, diare, serta penyakit kulit lainnya. Swamedikasi harus dilakukan dengan cara yang sesuai untuk penyakit yang dialami. Pelaksanaannya harus memenuhi kriteria penggunaan obat yang rasional, antara lain ketepatan pemilihan obat, ketepatan dosis obat, tidak adanya efek samping, tidak adanya kontraindikasi, tidak adanya interaksi obat, dan tidak adanya polifarmasi. Dalam praktiknya penggunaan obat dan dosis obat, apabila kesalahan terjadi terus-menerus dalam waktu yang lama, dikhawatirkan dapat menimbulkan risiko pada kesehatan. Penelitian ini bertujuan untuk mengetahui tingkat pengetahuan dan perilaku masyarakat tentang swamedikasi di RT 01 RW 02 Desa Taman Rahayu kecamatan Setu kabupaten Bekasi. Jenis penelitian ini adalah deskriptif kuantitatif dengan metode pendekatan cross sectional, menggunakan alat ukur kuisoner. Pengambilan sampel yang dilakukan dengan metode metode purposive sampling yang telah memenuhi kriteria inklusi dan ekslusi sebanyak 85 responden. Hasil penelitian ini menunjukkan jumlah responden yang memiliki tingkat pengetahuan baik,cukup,rendah dengan masing-masing persentase 80%, 13%, dan 7%. Hasil pengukuran perilaku swamedikasi menunjukkan bahwa responden yang memiliki tingkat perilaku tepat,kurang,tidak tepat dengan masing-masing persentase 84%, 16%, dan 0%. Berdasarkan hasil penelitian dapat disimpulkan bahwa gambaran tingkat pengetahuan dan perilaku masyarakat tentang swamedikasi di RT 01 RW 02 Desa Taman Rahayu kecamatan Setu kabupaten Bekasi sudah baik 80% dan tepat 84%.
A MATHEMATICAL MODEL OF GPS SATELLITE TIME AND FREQUENCY BASED ON THE SPECIAL THEORY OF RELATIVITY Purnomosari, Endah; Dewi, Siska Astari; Mulyani, Wiwiek Eka; Putra, Valentinus Galih Vidia; Abdullah, Fadil
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.475

Abstract

The Global Positioning System (GPS) relies on highly precise atomic clocks in satellites and ground stations to determine global time and position accurately. Relativistic effects, including gravitational fields and satellite orbital motion, induce frequency shifts in these clocks, necessitating corrections for accurate navigation. This study developed a novel approach to integrate general coordinates into GPS, emphasizing implementation simplicity. We investigated the application of special relativity to calculate time and frequency shifts in GPS satellites. Our analysis estimated a daily relativistic correction of approximately 21.6 microseconds, with a positional imprecision of 6.48 km per day if uncorrected. By employing a general time-space coordinate system, we calculated position-4 and velocity-4 vectors, accounting for special relativistic effects on GPS time and frequency. The proposed method simplifies relativistic corrections while enhancing their conceptual clarity. Results demonstrate improved precision and efficiency in GPS positioning through the integration of general coordinates with a streamlined approach. This research offers valuable insights for international engineering communities, scholars, and practitioners, advancing the understanding of relativity’s impact on GPS satellite operations.
FORMULASI DAN EVALUASI FISIK SEDIAAN BLUSH ON POWDER DENGAN EKSTRAK BUNGA TELANG (clitoria ternatea) SEBAGAI PEWARNA ALAMI Putri, Faradhilah Lutfiyana; Marliana, Elsa
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.496

Abstract

Cosmetics are broadly categorized into skincare and decorative products, the latter providing short-term aesthetic effects on the skin. One such product is blush-on powder, which is characterized by its fine texture, ease of application, and adjustable color intensity. In decorative cosmetics, dyes play a crucial role. Anthocyanins, natural pigments found abundantly in plants such as butterfly pea flower (Clitoria ternatea), offer potential as a natural dye due to their vivid red to deep purple color and high anthocyanin content (172.833 mg/100g). These pigments exhibit greater stability in acidic conditions, which can be enhanced by adding organic acids. This study aims to formulate a blush-on powder using butterfly pea flower extract as a natural dye and to evaluate the effect of varying concentrations of zinc stearate (3%, 5%, and 7%) on the product’s physical properties. The extract was obtained via maceration using a 96% ethanol and 10% citric acid solution (1:9 ratio). The resulting blush-on formulations underwent physical evaluations—including organoleptic tests, pH, texture, homogeneity, adhesion, and flowability—on days 0, 1, 7, and 14. All formulas met the requirements for pH, homogeneity, appearance, and adhesion stability over 14 days. However, the flowability results did not meet standard criteria. Among the three formulas, the one with 7% zinc stearate showed the highest adhesion. In conclusion, butterfly pea flower extract is suitable as a natural dye in blush-on powder formulations, and increasing zinc stearate concentration enhances product adhesion to the skin
POTENSI ANTIMIKROBA EKSTRAK DAUN PUDING HITAM (Grapthophylum pictum L. Griff) TERHADAP PERTUMBUHAN BAKTERI Bacillus subtilis, Lactobacillus rhamnosus DAN JAMUR Malassezia globosa DENGAN METODE KLT-BIOAUTOGRAFI Faroliu, Goldha; Afara, Rahcmatul
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.466

Abstract

ABSTRACTGrapthophylum pictum L. Griff or Handeuleum Leaf is a plant that is widely cultivated in Indonesia for its leaves. The flavonoid, phenolic, steroid and terpenoid compounds contained in the ethanol extract of Handeuleum Leaf has antimicrobial activity. The aim of this study was to determine the results of phytochemical screening and their antimicrobial activity. The Handeuleum leaf extraction process is carried out using the maceration method, then identifying the compounds using the TLC method. The TLC results showed that there were active compounds in Grapthophylum pictum L. Griff in the form of flavonoids, phenols, steroids and terpenoids. Testing antimicrobial activity using the TLC-Bioautography method against Bacillus subtilis bacteria at a concentration of 30% found all compounds. And the bacteria Lactobacilus rhamnnosus at a concentration of 30% in compounds 1, 2, 6, 7, and 8 showed antibacterial activity, while compounds 3, 4, and 5 did not show antibacterial activity. Meanwhile, against the fungus Malassezia globosa at a concentration of 30%, compounds 1, 2 and 3 showed antifungal activity and compounds 4, 5, 6, 7 and 8 did not show antifungal activity.
OPTIMIZATION OF CONSTRUCTION PRODUCT DISTRIBUTION NETWORK USING TRANSPORTATION SYSTEM DESIGN AND LINEAR PROGRAMMING APPROACH Elfantoro, Indra; Dewi, Yulida Intani; Herdiana, Mochamad Rafi; Yasin, Rahmat; Wajdi, Muhammad Raihan
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.487

Abstract

This study optimizes the construction product distribution network in the Jakarta area using a Transportation System Design approach and Linear Programming (MILP and VRP) implemented in Python programming. The primary goal is to minimize total travel distance, delivery time, and transportation costs without violating vehicle capacity constraints, customer demand, and operational time windows. Optimization results show a 30% reduction in total travel distance from 5,830 km to 4,061 km and transportation cost savings of up to 8.1% or approximately IDR 23 million per month. The computation process is efficient, completing in under 30 seconds, enhancing accuracy and reducing human error. This optimization supports on-time delivery, maintains product quality, improves customer satisfaction, and operational efficiency, including reduced fuel consumption and carbon emissions. Practical recommendations include setting a Minimum Order Quantity (MoQ), using larger capacity trucks, and improving real-time communication and vehicle tracking to support more effective distribution management in the construction industry
PENERAPAN FIRST IN FIRST OUT (FIFO) PADA INVENTORY RAW MATERIAL (STUDI KASUS PT. MEKAR ARMADA JAYA) Sari, Kartika Prasetya; Nevita, Ary Permatadeny; Santoso, Rachmad; Munawi, Hisbulloh Ahlis; Salsabillah, Venus Khatta
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.499

Abstract

Inventory control is an effort or activity carried out by an agency to make decisions so that the need for materials for production purposes can be met optimally with the smallest possible risk. PT Mekar Armada Jaya (MAJ) is a manufacturing company engaged in stamping and tools. Inventory in this company consists of raw materials, goods in the production process, and goods held for sale. Because inventory is stored in a warehouse, inventory and warehouse management are closely related. Warehousing itself is a component unit in the product supply chain. The warehouse functions as a place to store goods, until they are used in the production process. The purpose of this study is to analyze the application of the FIFO system to raw material inventory at PT MAJ. Data collection techniques used in this study are direct observation in the raw material warehouse, interviews with warehouse staff and the production department, and documentation studies on the inventory recording system. The analysis was carried out qualitatively and quantitatively by comparing conditions before and after the implementation of the FIFO method in several aspects, namely, the level of accuracy of stock recording, the number of expired or damaged raw materials, and the efficiency of raw material retrieval time. The implementation of the FIFO method for inventory control carried out by PT MAJ is by attaching a FIFO label that will experience a color change for each item and change of month, this is done to distinguish new or old inventory. Materials received are given FIFO tags with various colors based on the supplier. The shelves used to store materials are given wheels or plaques, so that when taking materials it is easier. After the goods have been affixed with FIFO labels that are in accordance with the picklist and have been placed in the staging area, a loading list is made to be loaded after which the goods are scanned for their serial numbers by the checker and are ready to be sent. From the results of the analysis, it was concluded that the FIFO method applied at PT. MAJ uses a Kanban system and provides FIFO tags for raw materials, and the control of the system is carried out by people in the PPIC department.Keywords: inventory, FIFO, raw material, label, PPIC
ANALISIS KETERSEDIAAN OBAT DENGAN FORMULARIUM NASIONAL DI PUSKESMAS Y Ningsih, Neng Widia; Amalia, Tisa; Asmawati, Aulia
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.472

Abstract

Adequate drug availability is a crucial component of healthcare services at Community Health Centers. Drug shortages can disrupt services and reduce patient trust, while overstocking risks expiration and financial loss. The National Formulary (Fornas) serves as a reference for selected drugs to ensure treatment quality. However, its implementation in health facilities still faces challenges. This research aimed to analyze the conformity of drug availability with the National Formulary and the percentage of drug availability level at Y Community Health Center in 2024. The study applied a descriptive method with a retrospective approach. The population included all drugs available from January to December 2024, with a total of 94 types, using total sampling technique. Data were collected from drug stock cards and monthly drug usage reports (LPLPO). Data analysis was performed by comparing the drug list with the National Formulary and calculating drug availability levels based on stock coverage time. The results showed that the conformity rate of drug availability with the National Formulary was 98.94%. Meanwhile, the percentage of drug availability level was categorized as 36.56% insufficient, 24.73% safe, and 38.71% excessive. It is concluded that drug availability at Y Community Health Center has not met the standard indicator of 100% conformity with the National Formulary and 100% safe availability level. This condition indicates inefficiency in drug management planning, which can disrupt rational drug use. Improvements in drug planning and monitoring are recommended
INTEGRASI CHATGPT, N8N, DAN SUPABASE UNTUK OTOMATISASI ANALISIS CV DAN PENCOCOKAN LOWONGAN KERJA BERBASIS VEKTOR Puspabhuana, Adam; Arliyanto, P Yudi Dwi; Abdurrahman, Mus’ab; Puspita, Ferdilla Ayu; Neta, Fandy
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.492

Abstract

The advancement of Artificial Intelligence (AI) has accelerated digital transformation in the recruitment process through automated candidate data analysis. This study aims to develop a prototype of an intelligent recruitment system by integrating ChatGPT (OpenAI LLM), N8N (workflow automation framework), and Supabase (PostgreSQL-based vector database). The proposed system automatically analyzes job seekers’ Curriculum Vitae (CV) stored in Google Drive and transforms them into vector representations using AI embedding models. These vectors are then utilized to match candidate profiles with corresponding job requirements. N8N functions as a workflow orchestrator that connects data sources, AI models, and the Supabase vector database. ChatGPT serves as an interactive agent that enables recruiters to perform conversational analysis and information retrieval based on vectorized data. This research develops an intelligent recruitment prototype by integrating ChatGPT, N8N, and Supabase to automate CV analysis and job matching through vector embeddings. The system extracts CVs from Google Drive, converts them into high-dimensional embeddings, and stores them in Supabase for semantic similarity search. Quantitative evaluation using ten candidate datasets shows an average processing time of 25.6 seconds per batch and a 0.81 relevance score compared to manual screening. The results indicate that AI-driven automation can enhance recruitment efficiency and accuracy by reducing manual effort and bias.
ANALISIS KELAYAKAN USAHA KECIL RFP WAROENG TANSU Aprilia, Hafiza; Abdullah, Fadil; Hamidah, Siti Nur
Jurnal Inkofar Vol 9, No 2 (2025)
Publisher : Politeknik META Industri Cikarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46846/jurnalinkofar.v9i2.426

Abstract

This paper examines the feasibility of Waroeng Tansu Om RFP, a culinary business in Bandung that offers traditional ketan (sticky rice) dishes with modern toppings. The study explores whether the business can sustain profitability and growth in Bandung’s competitive culinary market local. The research problem focuses on determining whether Waroeng Tansu Om RFP is financially feasibility. The novelty in its focus integrates traditional culinary practices with modern digital strategies like food delivery platforms and proposes a dedicated business app. The research using method of market analysis (segmentation, targeting, and positioning) and financial feasibility assessment using. Data on costs, revenues, and customer demographics were analyzed. The findings reveal a positive NPV of Rp 1,131,557,216, an IRR of 79%, and a payback period within 3 years, with a BCR greater than 1, suggesting financial feasibility. The study concludes that Waroeng Tansu Om RFP is a viable business with potential for growth. The key takeaway is that combining traditional foods with modern innovations can lead to success in competitive markets.

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