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INDONESIA
Jurnal Teknologi Industri
Published by Universitas Dirgantara Marsekal Suryadarma
ISSN : 23022191     EISSN : 30309964     DOI : https://doi.org/10.35968/jti.v12i2
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering
Jurnal Teknologi Industri adalah jurnal yang fokus pada teknologi industri yang diterapkan dalam industri, pemerintah, dan universitas.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 117 Documents
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Analisis Pengaruh Reflektor terhadap Distribusi dan Intensitas Cahaya pada Sistem Pencahayaan LED SMD Yahya Ayasy; Munnik Haryanti
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 1 (2026): Jurnal Teknologi Industri
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i1.1954

Abstract

The demand for efficient and energy-saving lighting systems continues to increase due to the growing number of human activities in indoor and outdoor environments. Light Emitting Diode (LED) technology is widely used because of its high energy efficiency and long lifespan. However, the wide beam angle of LEDs often causes a portion of the emitted light to disperse and not be effectively utilized. This study aims to analyze the effect of reflector implementation on improving light intensity and distribution in LED-based lighting systems. This research employed an experimental method by designing a lighting system using Surface Mount Device (SMD) LEDs. Two configurations were tested: LEDs without reflectors and LEDs equipped with reflectors. Light intensity was measured using a lux meter at a fixed measurement distance with two reflector angle variations of 120° and 130°. The data were analyzed comparatively to evaluate the improvement in light intensity and lighting efficiency.The results show that the LED without a reflector produced an average light intensity of 321 lux. The use of a reflector with a 120° angle increased the light intensity to 660 lux (105.61% improvement), while the 130° reflector produced 483 lux (50.47% improvement). These results indicate that reflector implementation can significantly improve light distribution efficiency without increasing power consumption.
Perancangan Sistem Kendali Temperatur dan Monitoring Tungku Pembakaran Sampah Berbasis IoT Menggunakan NodeMCU ESP8266 dan Sensor DS18B20 dengan Kontrol PWM Adaptif Mohammad Yunus; Sumpena Sumpena
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 1 (2026): Jurnal Teknologi Industri
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i1.1955

Abstract

Waste management through open burning is still widely practiced by communities; however, the process is often inefficient due to unstable temperature fluctuations and the production of dense black smoke caused by incomplete combustion. This study aims to design an automatic temperature control and remote monitoring system for a waste incineration furnace based on the Internet of Things (IoT) to improve combustion efficiency. The research employed an experimental approach involving hardware design using a NodeMCU ESP8266 microcontroller, a DS18B20 temperature sensor, and an AC Light Dimmer module based on Pulse Width Modulation (PWM) to dynamically regulate fan speed. The system was also integrated with a Telegram-based interface for real-time temperature monitoring. Experimental results over a 75-minute testing period showed that the automatic mode achieved a maximum temperature of 132.45°C, which is higher than the manual mode that only reached 126.94°C. The implementation of PWM control enabled adaptive oxygen supply regulation, increasing the combustion temperature by 5.51°C and accelerating the reduction of black smoke. Therefore, the proposed IoT-based temperature control system successfully improves combustion efficiency while enabling convenient remote monitoring for operational supervision.
Studi Kelayakan Investasi Sistem PLTS Atap On-Grid 3 kWp Pada Gedung PT Lisensi Rahmat Hidayat Hamidi; Linda Faridah; Andri Ulus Rahayu
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2011

Abstract

The growing demand for electricity in Indonesia is driving the use of renewable energy sources through the implementation of rooftop solar power plants (PLTS). Research on grid-connected solar power plants generally focuses on large-scale systems, while studies on small-scale systems for office buildings remain limited. This study aims to analyze the technical and economic feasibility of a 3 kWp on-grid rooftop SPP system at the PT Lisensi building. The research method employs a descriptive quantitative approach through the collection of electricity load data, simulation using PVsyst software, and economic analysis using the Life Cycle Cost (LCC), Net Present Value (NPV), Profitability Index (PI), Discounted Payback Period (DPP), and Break-Even Point (BEP) methods. Simulation results indicate an annual energy production of 4,475.8 kWh, meeting approximately 78% of the building’s electricity needs. The economic analysis results show an NPV of Rp48,829,240, a PI > 1, a DPP of 7.4 years, and a BEP in the 6.9th year. Based on these results, a 3 kWp on-grid rooftop solar power system is technically and economically feasible for small-scale office buildings
Analisis Kekuatan Tarik dan Metalografi Sambungan Spot Welding pada Material AISI 321 Handi Handi; Permana Andi Paristiawan; Necko Junia
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2022

Abstract

This study aims to analyze the tensile strength and metallographic characteristics of spot welded joints using AISI 321 material. The joining process was carried out using the resistance spot welding (RSW) method with a lap joint configuration under constant welding parameters. The welded specimens were subjected to tensile testing to determine the maximum load and the type of failure. In addition, metallographic examination was conducted to observe the microstructural changes in the welded region. The results show that the maximum tensile strength obtained is 1.483 N/mm2, with the failure mode identified as interfacial failure. Metallographic analysis reveals three main zones: base metal, heat affected zone (HAZ), and fusion zone. The microstructure in the nugget area tends to be finer due to rapid cooling, while grain growth is observed in the HAZ as a result of the thermal cycle during welding. The correlation between tensile test results and metallographic observations indicates that the joint quality is strongly influenced by the nugget size and microstructural characteristics, particularly in the HAZ region. Therefore, welding parameters play a crucial role in determining the mechanical performance of spot welded joints.
Perancangan Solar Tracker Dual Axis Berbasis Internet of Things (IoT) Prawiro Harjono; Iswidodo Iswidodo; Aditya Arif Wicaksono
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2031

Abstract

Indonesia, as a tropical country, possesses enormous potential for solar energy as a renewable alternative source. As an archipelagic nation, many remote villages still lack reliable electricity supply, necessitating the development and utilization of natural alternative energy sources, particularly Solar Power Plants. Currently, the majority of PLTS installations are static, with surfaces facing the sky at fixed angles, achieving an average efficiency of up to 15%. One effective method to boost PLTS efficiency is implementing dual-axis solar trackers, enabling panels to dynamically follow direct sunlight for maximum light input and up to 32% power output gains compared to static systems. This innovation ensures panels remain perpendicular to the sun continuously, stabilizing sunlight absorption, while IoT integration via the Blynk application facilitates real-time remote monitoring.  
Rancang Bangun Sistem Lampu Tangga Otomatis Berbasis Arduino Mega 2560 Menggunakan Sensor Inframerah dan Notifikasi Audio Iswidodo Iswidodo; Sri Mumpuni Ngesti Rahaju; Raka Uta Gumelar
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2032

Abstract

This study aims to design and evaluate an automatic stair lighting system based on the Arduino Mega 2560 microcontroller utilizing infrared sensors to detect user movement on ascending and descending stairways. The system is equipped with LED lights, an audio module, and an LCD to display operational status and provide warnings when users take the wrong stair path. The research method employs a prototype approach consisting of hardware design, software development, system integration, and functional testing. The tests were conducted on sensor detection performance, lighting activation response, audio notification, LCD display performance, and system operation in both manual and automatic modes. The results show that the infrared sensors are able to distinguish detected and undetected object conditions based on changes in output voltage levels, enabling the lights to turn on according to user movement on active steps. The system is also capable of generating voice warnings for incorrect path usage and displaying real-time system information. In general, the developed prototype operates according to the intended design and has the potential to improve safety, convenience, and lighting efficiency in stair areas.
Indonesia Rancang Bangun Sistem Pemantauan Distribusi Sembako Tanggap Bencana Berbasis Sensor Sidik Jari dan Komunikasi Nirkabel NRF24L01: - Junindo Abdillah; Gipin Mosliano; Nandika Vadya Pratama
JURNAL TEKNOLOGI INDUSTRI Vol. 15 No. 2 (2026): Jurnal Teknologi Industri (In-Press)
Publisher : Universitas Dirgantara Marsekal Suryadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35968/jti.v15i2.2036

Abstract

The distribution of food aid during disaster situations often faces challenges related to monitoring and accurate recipient verification. This study aims to design and implement a food distribution monitoring system based on a fingerprint sensor and NRF24L01 wireless communication module. The system consists of a transmitter unit equipped with a fingerprint sensor for recipient verification and a receiver unit that displays data on an LCD and uploads it to Google Sheets via an internet connection. The research method involves hardware and software design followed by communication performance testing under Line of Sight (LOS) and Non-Line of Sight (NLOS) conditions. The evaluation parameters include transmission distance and data delivery success rate. The results show that the system can reliably transmit data up to 15 meters under LOS conditions and 10 meters under NLOS conditions, with significant performance degradation beyond these distances due to physical obstacles. The proposed system demonstrates potential as a low-cost and practical solution for wireless-based disaster aid distribution monitoring.

Page 12 of 12 | Total Record : 117

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