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Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 3031500X     EISSN : 3031349X     DOI : 10.61132
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering
open Industrial Engineering Science Cluster Research journal. This journal is a peer-reviewed and open research journal of the Engineering Science Clump
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 334 Documents
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Analisis Gesekan Pelat Luncur Tanam Padi pada Media Lumpur Menggunakan Simulasi CFD Eval Kurniawan; Romli Romli; Yogi Eka Fernandes
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1733

Abstract

Penelitian ini bertujuan untuk menganalisis gesekan pada pelat geser dasar alat tanam padi yang berinteraksi dengan media lumpur menggunakan metode Computational Fluid Dynamics (CFD). Analisis dilakukan untuk menentukan pengaruh karakteristik lumpur terhadap distribusi gaya gesekan (tegangan geser dinding) dan gaya hambat pada pelat geser. Simulasi menggunakan perangkat lunak ANSYS Fluent 2021 R1 dengan lima variasi parameter lumpur, termasuk densitas 1000-1300 kg/m³ , viskositas 5-60 Pa·s, dan tegangan luluh 50-300 Pa. Hasil simulasi dianalisis berdasarkan distribusi tekanan, gaya gesekan, dan gaya hambat pada setiap kondisi lumpur. Hasil menunjukkan bahwa karakteristik lumpur memengaruhi gaya yang bekerja pada pelat geser dasar. Pada densitas 1000 kg/m³ , viskositas 5 Pa·s, dan tegangan luluh 50 Pa, diperoleh gaya gesekan sebesar 2.727 Pa dan gaya resistensi sebesar 42.325 N. Sementara itu, pada densitas 1300 kg/m³ , viskositas 60 Pa·s, dan tegangan luluh 300 Pa·s, diperoleh gaya gesekan tertinggi sebesar 146.125 Pa dan gaya resistensi sebesar 211.967 N. Peningkatan karakteristik lumpur meningkatkan hambatan aliran dan gaya yang harus diatasi oleh alat.
Analisis Persepsi Pedagang Tahu terhadap Jaminan Kehalalan Produk dalam Perspektif Rantai Pasok Halal di Pasar Tradisional Kabupaten Banyumas Da’in Maulana Fikri; Shehal Sigi Alfarizy; Realdi Putra Pratama Pasaribu; Cordes Fransiskus Hari Taking; Nabila Noor Qisthani
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1736

Abstract

Indonesia's large Muslim population drives a high demand for halal food assurance, including soybean-based products such as tofu in traditional markets. This study aims to analyze the effect of the Halal Supply Chain comprising Raw Materials (X1), Halal Product Process (X2), and Final Product Condition (X3) on Tofu Product Halal Assurance (Y) based on the perceptions of traditional market traders in Banyumas Regency. The research adopted a quantitative survey approach with a sample of 38 tofu traders across four major traditional markets (Ajibarang, Cilongok, Karanglewas, and Purwokerto). Data were analyzed using Structural Equation Modeling - Partial Least Squares (SEM-PLS) via SmartPLS software. Outer model evaluation confirmed strong convergent validity with loading factors exceeding 0.9, AVE values of 0.888 (X) and 0.928 (Y), and internal consistency reliability with Cronbach's alpha above 0.97. Inner model results revealed a positive path coefficient of 0.961 and an R-squared (R2) value of 0.923, indicating that 92.3% of the variance in product halal assurance is explained by the halal supply chain. Hypothesis testing via bootstrapping confirmed a statistically significant positive effect (T-statistic = 23.871; P < 0.001). This study concludes that managing the halal supply chain from upstream to downstream is critical to maintaining tofu product halal assurance at the traditional market retail level.
Optimisasi Tata Letak Ladang Angin Multi-Objektif di Kepulauan Terisolasi Menggunakan EMO: Studi Kasus Pulau Tanimbar Tahan Lumban Tobing; Antonius Doddy Tyas Prasetyo
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 4 (2026): Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika.
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i4.1756

Abstract

Isolated island regions face significant challenges in providing a sustainable electricity supply, with most still relying on high-cost diesel power plants. This study aims to evaluate the technical potential and optimize the layout of an onshore wind farm in the Tanimbar Islands as a preliminary feasibility study for the development of a hybrid energy system. Using NASA POWER time-series data from 2015 to 2024, wind speeds were extrapolated to a hub height of 90 meters to determine the empirical parameters of the Weibull distribution. This study applies an Evolutionary Multi-Objective (EMO) approach using the Adaptive Non-dominated Sorting Genetic Algorithm II (NSGA-II) implemented in MATLAB. The algorithm simultaneously optimizes four objective functions: maximizing Annual Energy Production (AEP), minimizing the Levelized Cost of Energy (LCOE), minimizing wake losses, and minimizing land use. The analysis identified an average wind speed of 7.72 m/s at hub height. The optimal Pareto solution indicates that the optimized layout achieves a Net Capacity Factor of 30.89%, generates a total energy output of 1,926.8 GWh/year, and delivers a competitive LCOE of 38.70 USD/MWh with low wake losses of 5.40%. These findings provide a framework for stakeholders in designing renewable energy infrastructure for remote island regions.
Analisis Pengendalian Mutu Produk Air Minum Kemasan 19L Menggunakan Metode FMEA dan RCA di PT. Banyu Reverse Osmosis Aliyudin Aliyudin; Eka Lailita Eti Varina; Resty Yuliana
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 4 (2026): Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika.
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i4.1758

Abstract

PT Banyu Reverse Osmosis is a bottled water (AMDK) company under the BAROS brand, producing 19-liter, 240 ml cups, 330 ml bottles, and 600 ml bottles. During June 2025-May 2026, the 19-liter recorded an average defect rate of 10.98% per month, dominated by thin seal defects (59.17%), damaged caps (35.50%), and leaking gallons (5.33%). This study aims to identify the causes of product defects, determine risk priorities using Failure Mode and Effect Analysis (FMEA), find rRot causes through Rot Cause Analysis (RCA) with the 5 Whys technique, and propose improvements. This study used a descriptive quantitative approach with check sheets, Pareto diagrams, Fishbone diagrams (4M+1E), FMEA, and RCA. Production and reject data were processed through defect-type identification, cause mapping, and risk assessment based on Severity, Occurrence, and Detection to obtain Risk Priority Number (RPN) values, followed by rRot-cause tracing using 5 Whys on the causes with the highest RPN. The results show the highest RPN was 210, caused by improper headlayer machine settings, followed by unstable headlayer temperature/pressure (RPN=180). RCA revealed three rRot causes: absence of standard SOPs and checklists, no scheduled preventive maintenance, and excessive operator workload. Proposed improvements include SOPs and checklists, monthly preventive maintenance, improved human resource management, and strengthened quality control with weekly control charts, targeting a reduction of thin seal defects from 10.89% to below 5% within six months.
Rancang Bangun Aplikasi Kuis Interaktif TOEFL Berbasis Multiplatform dengan Arsitektur RESTful API Feri Darmawan; Afwan Anggara
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1760

Abstract

English proficiency represents an essential competency for university students in the era of Industrial Revolution 4.0. Standardized tests such as the Test of English as a Foreign Language (TOEFL) are widely utilized as graduation requirements and recruitment prerequisites. However, Indonesian university students encounter significant obstacles in the Structure and Written Expression section, evidenced by a low national average score of 374, with 53.3% identifying grammar as the most challenging component. This study aims to design, develop, and evaluate Structify, an interactive multiplatform English quiz application for TOEFL preparation powered by a RESTful API architecture. The research methodology adopts the Design Science Research (DSR) framework. System implementation integrates Flutter for the mobile client (Android), Laravel as the backend RESTful API provider, React.js (Inertia.js) for the web administrator dashboard, and a relational database system. Functional evaluation was conducted using Black Box Testing with Equivalence Partitioning across 14 core scenarios. Testing results confirmed all scenarios executed successfully, achieving a 100% success rate, demonstrating Structify's capability to establish an interactive, real-time synchronized self-learning ecosystem for TOEFL preparation.
Rancang Bangun Sistem Monitoring dan Pengendalian pH Air Hidroponik Berbasis IoT Rafi Akhmad Dzulfikar; Dani Sasmoko; Sulartopo Sulartopo
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1768

Abstract

Hydroponics involves cultivating plants without soil, where success depends on maintaining a stable pH level in the nutrient solution for optimal growth. At a hydroponic farm in Bangetayu, Semarang, the water pH tends to be high and unstable; currently, management relies on manual control, which results in slow response times and prevents remote monitoring. This study presents an Internet of Things (IoT)-based pH monitoring and control system that operates automatically and in real-time. The system utilizes an ESP32 microcontroller, an E-201-C pH sensor, two HC-SR04 ultrasonic sensors, and two peristaltic pumps to dispense "pH-up" and "pH-down" solutions, with data displayed via an I2C LCD and the Blynk application. The research employs a Research and Development (R&D) approach combined with experimental testing. Tests indicate that the pH sensor operates with an average error of 1.89% (98.11% accuracy). In all six trials, the system successfully restored the pH to the optimal range of 5.5–6.5. Testing of the HC-SR04 sensors (conducted five times) revealed an average measurement deviation of −0.30 for the "pH-up" reservoir and −0.14 for the "pH-down" reservoir, and all functional tests performed as designed. While these results demonstrate the system's functionality under the tested conditions, its stability for long-term use has not yet been established.
Analisis Predictive maintenance Motor Blower Induksi Tiga Fasa BC602 Berdasarkan Vibrasi dan Suhu di PT MFI Muhammad Rivaldan; Didik Aribowo
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 4 (2026): Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika.
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i4.1776

Abstract

Three-phase induction blower motors are important components in industrial operations; therefore, appropriate maintenance is required to maintain their reliability and performance. This study aims to analyze the condition of the BC602 blower motor at PT MFI based on vibration and temperature measurements before and after bearing replacement as part of a predictive maintenance approach. Vibration measurements were conducted at six points: the Drive End (DE) and Non-Drive End (NDE), each measured in the vertical, horizontal, and axial directions. The results showed that vibration values before bearing replacement ranged from 8.48 to 9.83 mm/s, whereas after replacement, they decreased to 0.31–1.06 mm/s. At the DE, the temperature decreased from 65°C to 49°C, while at the NDE, it decreased from 58°C to 45°C. These results indicate reductions in vibration and temperature following bearing replacement. The observed changes suggest that the maintenance action contributed to improving the operating condition of the BC602 blower motor. Periodic vibration and temperature measurements can serve as a basis for equipment condition monitoring, helping identify potential abnormalities and supporting maintenance planning.
Rancang Bangun Sistem Penjadwalan dan Antrean Pasien Klinik Berbasis Web dan Mobile Terintegrasi Notifikasi Telegram Wahyu Purwaji; Afwan Anggara
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1778

Abstract

Manual management of patient scheduling and queuing at first-level healthcare clinics often leads to operational bottlenecks, excessive waiting times, patient congestion in waiting rooms, and administrative recording errors. This study aims to develop and implement a clinic patient scheduling and queue management system based on web and mobile platforms integrated with automated Telegram notifications. The system development follows the Waterfall model comprising four structured phases: requirements analysis, system design, implementation, and testing. The architecture utilizes PHP for the web-based administrative backend, Flutter as the mobile application framework, MySQL as the database management system, and the Telegram Bot API as an asynchronous real-time notification gateway. The web portal enables clinic administrators to manage doctor practice schedules, patient quotas, and queue dispatching, while the mobile application allows patients to register independently, select consultation slots, obtain queue tokens, monitor live queuing positions, and track appointment history. Functional evaluation using the Black Box Testing method revealed that all system features operated validly in accordance with the specified requirements without logical errors. The implementation of this system is intended to improve the effectiveness of doctor scheduling and patient queue management while facilitating patients' access to information about clinic services.
Perancangan Interleaved Buck Converter dengan MPPT P&O pada Panel Surya M Arrislul Falah; Pressa Perdana Surya Saputra
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1783

Abstract

Solar photovoltaic systems need suitable control and conversion approaches to boost the practical use of accessible solar energy. This work lays out an interleaved buck converter paired with the Perturb and Observe (P&O) method to carry out maximum power point tracking (MPPT) for solar panel setups. The interleaved buck converter centers on governing power transferred from the panels while the P&O algorithm stands in to locate the peak power point under shifting operational circumstances. The research sequence covers system framing converter parameter definition MPPT control deployment and performance checking using relevant electrical metrics. Assessment targets output traits of the converter plus the control scheme’s capacity to follow the maximum power point. Coordination between MPPT routines and power conversion in this setup is projected to lift solar energy usage efficiency. Definitive performance benchmarks and real-world relevance will be drawn from simulation data or physical test findings.
Perancangan dan Implementasi Sistem Budgeting dan Pre-order dengan Approval Bertingkat Michael Arron Evanuel Saptomo; Toni Wijanarko Adi Putra; Budi Hartono
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 6 (2026): November : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Info
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i6.1788

Abstract

Religious organizations such as IFGF Semarang Church face significant challenges in managing budgets and POs for goods/services to support operational activities. Funds derived from voluntary congregational contributions demand high transparency and accountability, yet manual processes using Google Forms and paper cause approval delays, lack of transparency, and data error risks. This study aims to design and implement a web-based budgeting and PO system with a multi-level approval mechanism aligned with the church's organizational hierarchy. The research method employs a Software Development Life Cycle (SDLC) approach using an iterative and evolutionary Prototype model, enabling gradual system development with direct user feedback. The developed system integrates three main components: a multi-level approval mechanism with three approval levels (Department Head, Treasurer, and Church Leadership), automatic email notification features at each process stage, and integration of budgeting and PO modules in a single real-time connected platform. Testing results show significant improvements in process efficiency, with PO approval rates increasing from 70-80% to 80-85%, and processing time reduced from 7-14 days to 3-7 working days. The system successfully addresses issues of budget uncertainty, approval delays due to email backlog, and misunderstandings between staff and finance departments. Thus, this web-based budgeting and PO system serves as an effective solution to enhance efficiency, accuracy, and transparency in PO and budgeting submission processes at IFGF Semarang Church, while providing a digital financial management model adoptable by other religious organizations.

Page 33 of 34 | Total Record : 334

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