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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 297 Documents
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Pengembangan Sistem Alarm Instrumentasi Berbasis IoT dan PLC Omron CJ2M untuk Keamanan Operasional Boiler Yoshimine II Mochammad Hendra Fisabilah; Ali Nur Fathoni; Khusnul Khotimah
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1647

Abstract

Boiler systems operate under high pressure and temperature, requiring reliable monitoring and alarm systems to maintain operational safety. At PT. PG. Rajawali I - PG. Krebet Baru I, the existing alarm system on the Yoshimine II boiler was limited to local notifications, which delayed operator response to abnormal operating conditions. This study aims to develop an instrumentation alarm system based on an Omron CJ2M Programmable Logic Controller (PLC), integrated with Delphi 7 monitoring software and Internet of Things (IoT)-based Telegram notifications, to improve operational safety. The research employed a research and development approach consisting of field observation, identification of critical boiler parameters, alarm logic design, and PLC programming, followed by monitoring interface development, Telegram integration, system testing, and evaluation. The developed system monitors critical parameters, including water level, steam level, de-superheater temperature, and flue gas conditions. The results indicate that the proposed system successfully provides real-time visual monitoring and automatic remote notifications whenever process parameters exceed predefined safety limits. The integration of PLC-based control with digital communication enhances operator responsiveness, supports preventive action, and reduces the risk of operational disturbances. The developed prototype demonstrates the feasibility of integrating industrial automation with digital notification technology to strengthen boiler monitoring and operational safety.
Perancangan Ulang Tata Letak Laboratorium Quality Control Industri Farmasi Menggunakan Metode Corelap dan Craft Jihan Hanifah Azizah; Nelfiyanti Nelfiyanti
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1653

Abstract

The external audit findings of the Quality Control Laboratory indicate that the chemistry and microbiology laboratories share the same operational area, causing overlapping flows of activities, personnel, and materials and increasing the risk of cross-contamination. This study aims to develop an improved laboratory layout in accordance with ISO/IEC 17025:2017, evaluate its operational performance using ProModel, and assess time efficiency and potential labor cost savings. CORELAP was used to generate an initial layout based on activity proximity, while CRAFT was applied to refine the layout based on movement frequency and inter-area distances. The proposed layouts included a new microbiology laboratory and a redesigned chemistry laboratory. The Total Load Distance of the chemistry laboratory decreased from 371.50 to 341.50, representing an 8.08% reduction, while the microbiology laboratory decreased from 617 to 389, representing a 36.95% reduction. Simulation results showed that the proposed layout reduced the Average Time in System for 6 of 7 sample types, with the highest efficiency reaching 68.07%. The reduced processing time also indicated potential labor cost savings, based on the actual sample volume and the labor cost per minute. Therefore, the CRAFT-generated layout provides an alternative to improve contamination control, process efficiency, and laboratory operating costs.
Karakteristik Minyak Jelantah Sebagai Biodiesel Bahan Bakar Genset 1300 Va Eko Sulistiyo; P. Istianto Budhi Rahardja; Bambang Setiadi
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1655

Abstract

The increase in fossil fuel consumption in Indonesia encourages the need for sustainable alternative energy sources. Waste Cooking Oil (WCO) has great potential as a raw material for biodiesel because its availability is abundant and does not compete with the food sector. This study aims to analyze the physicochemical characteristics of WCO-based biodiesel and evaluate its performance in 1300 VA generators through a systematic literature review approach to 2020–2025 publications. The parameters studied include density, viscosity, setane number, calorific value, thermal efficiency, and CO, HC, and NOx emissions. The synthesis results showed that WCO biodiesel has a density of 870–880 kg/m³ and a viscosity of 4.2–5.1 mm²/s, meeting SNI 7182:2015 and ASTM D6751 standards. The use of B20 blends produces thermal efficiency of 31–32%, with a reduction in CO emissions of up to 40% compared to conventional diesel, despite an increase in NOx of around 5%. Economically, the use of WCO has the potential to reduce fuel costs and support the circular economy. This study confirms that used cooking oil-based biodiesel is technically and ecologically feasible for household-scale generator set applications and MSMEs.
Karakterisasi Kinerja Pengisian Baterai Sistem PV Off-Grid Berbasis Solar Charge Controller PWM Achmad Walid; Nurhadi Nurhadi; Pondi Udianto
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1657

Abstract

Small Off-Grid photovoltaic systems require a charge controller to transfer energy safely from the photovoltaic module to the battery. This study characterizes the input-output performance of a 30 A pulse-width-modulation solar charge controller connected to a 20 Wp photovoltaic module and a 12 V, 12 Ah battery. Field measurements were conducted in Tunggul Wulung, Lowokwaru, on 5 September 2026 at one-hour intervals from 08:00 to 16:00. Solar irradiance, module surface temperature, photovoltaic voltage-current, and battery-side voltage-current were recorded. Input power, battery charging power, instantaneous measured efficiency, and interval energy efficiency were calculated. Irradiance ranged from 5.0 to 143.8 W/m² and module temperature from 25.4 to 62.5 °C. The maximum panel power was 2.680 W at 08:00, whereas the maximum battery-input power was 2.361 W at 10:00. Trapezoidal integration yielded 12.524 Wh of panel energy and 10.647 Wh of battery-input energy, corresponding to an aggregate energy efficiency of 85.01%. Instantaneous ratios above 100% at 14:00-16:00 occurred at very low power and are interpreted as apparent efficiencies affected by measurement resolution and non-simultaneous readings, not as physical conversion gains. The results provide a preliminary field baseline and emphasize synchronized measurements and uncertainty reporting for subsequent testing.
Analisis Perhitungan Elemen Struktur Dinding dan Estimasi Biaya pada Konstruksi Gedung Radioterapi RS-ODSK Dian Adam; Novriana Amelia Pangemanan; Beldie Aryona Tombeg
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1668

Abstract

This study aims to examine the structural analysis of wall elements in the LINAC room of the Radiotherapy Building construction project at ODSK Hospital, Manado, and to determine the estimated cost required for the wall element work based on the structural analysis results. The research was conducted on the Radiotherapy Building construction project at ODSK Hospital from August 2024 to December 2024. The research methods included structural analysis of the walls, estimation of the Bill of Quantity (RAB), and analysis using ETABS software. The data used were secondary data obtained from the project and processed using Microsoft Excel and ETABS. The analysis results show that the LINAC bunker walls modeled as reinforced concrete structures meet the strength and stiffness requirements based on the analysis of axial forces, shear forces, bending moments, and structural displacement. The main material requirements consisted of 668.768 m³ of concrete, 4,423.47 kg of D16 reinforcement, 323.12 kg of P10 reinforcement, and 402.96 m² of formwork. The cost analysis resulted in a total construction cost of IDR 1,281,464,449 before VAT and IDR 1,422,425,538 after 11% VAT. Compared with the project RAB of IDR 2,358,932,981, there was a difference of IDR 1,077,468,532, or approximately 45.68%, with the estimated RAB from the analysis being lower. The cost difference was influenced by concrete strength specifications, unit prices, work volume, and the calculation basis used.
Rancang Bangun Sistem Monitoring Kualitas Air Toren Berbasis IoT Menggunakan Sensor Kekeruhan dan Suhu Nadia Oktarina; Akhmad Khudri
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1671

Abstract

Water stored in the reservoir has the potential to undergo changes in physical conditions that are not always easily recognized through routine visual inspection. This study presents the design  of an Internet of Things (IoT)-based water quality monitoring system  to provide preliminary information on changes in turbidity and water temperature. The system uses the ESP32 microcontroller as the processing and communication center, with turbidity sensors and temperature sensors as the main devices. The measurement information is transmitted in real-time via Telegram Bot. The test is carried out using water samples with clear, cloudy, normal, and warm conditions through equipment preparation procedures, sensor activation, measurement, recording of results, and repetition for data consistency. The test results showed that the turbidity sensor was able to distinguish water conditions with readings of 0 NTU in clear water and 73 NTU in turbid water, while the temperature sensor produced readings of 28.9 °C to 33.7 °C. All data was successfully transmitted via Telegram as a remote notification. These findings confirm that the system is capable of functioning as a monitoring tool and early warning of changes in water conditions, although it does not directly determine the feasibility of consumption. Further development is needed to improve the accuracy of the sensor, provide measurement history, filter maintenance reminders, and backup power supply.
Sistem Keamanan Dua Langkah Verifikasi pada Safe Deposit Box Menggunakan RFID dan Keypad Moulida Annisya; Endah Fitriani; Leon A. Abdillah
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 4 No. 5 (2026): September : Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Inf
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v4i5.1672

Abstract

The security of valuable items and important documents requires an access control mechanism that can reduce the risk of unauthorized entry. This study aims to design and implement a two-step verification security system for a Safe Deposit Box (SDB) using a 4×4 keypad and RFID RC522. An Arduino Nano is used as the main controller, an LCD 16×2 provides system information, a relay functions as an electronic switch, and a solenoid door lock serves as the locking mechanism. Authentication is performed sequentially: the user first enters a password through the keypad and, when the password is correct, presents a registered RFID card for the second verification. The research stages include planning, hardware and software design, implementation, and functional testing. Testing covers the power supply, keypad and password input, password response time, RFID reading, RFID reading distance, relay and solenoid operation, LCD display, two-step authentication, and overall system response time. The results show that keypad and RFID functional tests each achieved a 100% success rate. RFID reading was relatively stable at 1–7 cm, became unstable at 8 cm, and failed at 9–10 cm. The average password authentication response time was 0.407 seconds, while the overall system response time was 0.895 seconds. The relay and solenoid operated according to the authentication condition, and the solenoid opened only when both the password and RFID were valid. The findings indicate that the proposed two-step verification system can perform the intended access-control function and provide an additional authentication layer for a Safe Deposit Box.

Page 30 of 30 | Total Record : 297

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