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J-Eltrik
Published by Universitas Hang Tuah
ISSN : 26569388     EISSN : 26569396     DOI : http://dx.doi.org/10.30649/j-eltrik.v2i2
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
J-Eltrik merupakan jurnal Teknik Elektro yang terbit secara berkala dua kali dalam setahun. Diterbitkan oleh Prodi Teknik Elektro, Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah Surabaya. Scope J-Eltrik tentang hasi riset dibidang Elektronika, Listrik (Elektro), Telekomunikasi, Komputer, Informatika, Sistem Kontrol. Redaksi menerima hasil penelitian atau artikel ilmiah dari para intelektual, dosen, praktisi dan mahasiswa. Proses peer review dilaksanakan oleh reviewer dan redaksi untuk memperbaiki format artikel sesuai format penulisan J-Eltrik tanpa mengubah tujuan dan isinya.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 159 Documents
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Rancang Bangun Smartcar Robotic Pendeteksi Kebocoran Gas Dalam Pipa Hendrianto
J-Eltrik Vol 7 No 1 (2025): Juli
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i1.153

Abstract

This research aims to design and develop a mobile gas-leak detection robot using the MQ-2 sensor, capable of operating in both automatic and manual modes to inspect areas with potential leakage. The system addresses the limitations of static detectors, which can only monitor a single point and are unable to cover long pipeline segments. The robot is built using an Arduino Nano as the main controller, an HC-05 Bluetooth module for remote control via an Android application, and an L298N motor driver to regulate DC motor movement. Testing was conducted by placing the robot inside a acrylic pipe simulating a leaking pipeline, allowing gas concentration readings to be collected from multiple positions. Results indicate that the system successfully detects increased gas concentration as the robot approaches the leak source. The manual mode enables users to direct the robot toward specific locations, while the automatic mode provides stable motion along the test path. Bluetooth integration performs reliably within a 5–10 meter control range. Overall, the robot demonstrates effective performance as a mobile inspection platform, offering greater flexibility, responsiveness, and information richness compared to static gas-leak detection systems.
Sistem Fire Alarm Berbasis Mikrokontroler ESP32 M Husni Mubarak
J-Eltrik Vol 7 No 1 (2025): Juli
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.156

Abstract

An early fire detection system is a critical component in the implementation of occupational safety and health, particularly in mining environments that present a high risk of fire hazards. PT Putra Perkasa Abadi, as a mining service company, requires a smoke detector monitoring system capable of operating in real time, providing accurate information, and supporting effective fire prevention measures. However, field implementation still encounters several challenges, including limited manual monitoring, sensor performance degradation due to dust accumulation, and the absence of a centralized and continuous smoke detector reporting system. This study aims to design and develop a microcontroller-based smoke detector monitoring system that is capable of automatically monitoring sensor conditions, providing early fire warnings, and recording periodic changes in sensor status. The proposed system utilizes a microcontroller as the main data processing unit, a smoke detector sensor to identify the presence of smoke, and a communication module to display sensor status through an LCD and digital interface. System testing was conducted directly in the operational environment of PT Putra Perkasa Abadi Site BIB to evaluate the reliability and performance of the system under real working conditions. The results indicate that the developed monitoring system is able to provide accurate readings of smoke detector conditions and transmit sensor status information in real time with fast and stable responses. The implementation of this system improves monitoring effectiveness and minimizes the risk of delayed fire detection. Therefore, the proposed system can serve as an alternative solution to enhance occupational safety systems and support fire prevention programs in the mining industry.
Rancang Bangun Miniatur Prototype Aircraft Towing Tractor (ATT) Berbasis Arduino Menggunakan Sensor Garis : Rahmat Putra Adi Wijayanto; Joko Subur; Sinung Widiyanto
J-Eltrik Vol 7 No 1 (2025): Juli
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i1.157

Abstract

An airport is a complex consisting of the landside and the airside. The airside is a crucial part of airport operations because it encompasses ground handling activities. Ground handling activities are primarily carried out on the apron. Aircraft towing tractors (ATTs), in particular, are vital equipment for aircraft operations in the hangar and on the apron. ATTs are used to tow or push aircraft while on the ground. The majority of these vehicles are still operated by humans. Furthermore, those operating ATTs must have a special permit. In reality, very few people have the permit to operate ATTs, leading to working hours exceeding the standard 8-hour workday. Based on the description, the problem in this research is how to reduce the workload of ATT operators due to the limited number of licensed operators so that it can reduce the occurrence of work accidents due to fatigue in operators. In addition, this research aims to reduce the workload of ATT operators due to the limited number of licensed operators by creating an Arduino-based ATT prototype that can run automatically according to a predetermined path. This tool will function as one of the devices that work in the apron area which is used to push the aircraft from the apron to the taxiway when taking off. The results of the study obtained the maximum load that can be pushed by this tool is 3 Kg. Meanwhile, for testing line sensors and others, it produces very good accuracy, reaching 100%.
a Design of a Contactor-Based Automatic Transfer Switch Control System for Two Houses Using a Single Generator as a Backup Power System Rachmad Mohammad Sanda Agung
J-Eltrik Vol 7 No 2 (2025): November
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.158

Abstract

The availability of electricity from the State Electricity Company (Perusahaan Listrik Negara, PLN) as the primary power source greatly influences the fulfillment of the community’s electrical energy needs. However, the electricity supply from PLN is not always stable or continuously available. Under certain conditions, power outages may occur due to disturbances in the electrical power system. Therefore, when a power outage occurs, a power supply transfer system from the main source (PLN) to a backup source is required to maintain the continuity of electrical power supply. This system functions as a backup to the PLN power supply and consists of a series of electrical components capable of regulating the power transfer process automatically. This system is known as an Automatic Transfer Switch (ATS), which operates automatically through the control of contactors and timers. This study produced a prototype of an ATS system based on contactor and timer control. The objective of this research is to design and implement an ATS control system using contactors and timers for two houses supplied by a single generator as a backup system. The test results show that the contactor- and timer-based ATS system for two houses with one generator as a backup system operates in accordance with the objectives of the study.
Analisis Pengoptimalan Pengoperasian Dan Daya Watermaker Guna Memenuhi Kebutuhan Air Tawar Di Kapal Arenui Cruise M. Toeyeb
J-Eltrik Vol 7 No 1 (2025): Juli
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i1.159

Abstract

Freshwater supply plays a crucial role in supporting ship operations, particularly on cruise vessels where water consumption is relatively high. Onboard Arenui Cruise, freshwater is produced using a reverse osmosis (RO) watermaker system. Although the system is capable of supplying freshwater from seawater, its operation may lead to inefficient energy usage if not properly managed. This study aims to evaluate the operational performance of the watermaker system, focusing on freshwater production capacity, electrical power consumption, and energy efficiency, as well as to propose optimization measures for improved operation. The research was conducted using a descriptive analytical method with a case study approach, based on operational data collected over a six-day observation period onboard Arenui Cruise. The analyzed parameters include freshwater production volume, daily freshwater demand, electrical power usage, and specific energy consumption (SEC). The results show that the average freshwater production of 2.92 m³ per day is sufficient to meet the ship’s daily freshwater requirement of 1.9 m³ per day. However, the average SEC value of 40.67 kWh/m³ indicates that the watermaker system operates with relatively low energy efficiency. Based on these findings, several optimization strategies are proposed, including adjustments to operational practices, improved maintenance of key components, and the development of a standard operating procedure (SOP) for watermaker operation and maintenance. The implementation of these measures is expected to enhance energy efficiency and ensure a reliable freshwater supply onboard Arenui Cruise.  
DESAIN BIDIRECTIONAL DC-DC CONVERTER UNTUK SOLAR CHARGE CONTROLLER DENGAN KONTROL PI Choirul Anam Iskak
J-Eltrik Vol 7 No 1 (2025): Juli
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.160

Abstract

The increasingly apparent limitations of fossil fuel sources are driving the increased use of unstable and intermittent renewable energy sources. To maintain a continuous supply of electrical energy, energy storage systems such as batteries are a crucial component. However, the output voltage from the energy source or storage device does not always match the voltage required by the load. Therefore, a power electronics circuit in the form of a bidirectional DC-DC converter is required, capable of regulating the power flow in both directions: from the source to the battery (charging) and from the battery to the load (discharging). In this research, a bidirectional DC-DC converter system was developed, equipped with a Proportional-Integral (PI) controller to regulate the output voltage to match the setpoint voltage. Simulation results show that the designed system is capable of maintaining a stable output voltage and in accordance with the reference value, both under conditions of load changes and resource fluctuations. This system is expected to support the development of an efficient, adaptive, and sustainable electricity grid.
Analisa Rangkaian Active High Pass Filter Orde 1 dan Orde 2 Topology Sallenkey Ahmad Taking; Mulyadi Mulyadi
J-Eltrik Vol 7 No 2 (2025): November
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.161

Abstract

A filter is defined as an electrical circuit or network designed to pass or direct alternating current signals generated at certain frequencies while blocking or attenuating all alternating current signals generated at other frequencies. Filters can be classified as analog or digital, passive or active, and audio frequency (AF) or radio frequency (RF) filters. Analog filters are designed to process analog signals, whereas digital filters process analog signals using digital techniques. Depending on the type of elements used in the circuit, filters are categorized into active filters and passive filters. Passive elements include resistors, capacitors, and inductors. Active filters are equipped with transistors or operational amplifiers (op-amps) in addition to resistors and capacitors. The type of element used is determined by the operating frequency range of the circuit. For example, RC filters are generally used for audio or low-frequency operations. In the design of a high-pass filter system, the Sallen-Key topology of first-order and second-order configurations is used, which functions as a building block for implementing higher-order active filters
Implementasi Sistem Hybrid Photovoltaic–Thermoelectric Generator sebagai Sumber Energi Listrik pada Kapal Nelayan Maulidiah Rahmawati; Faiq Rasyad Hazami
J-Eltrik Vol 7 No 2 (2025): November
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.162

Abstract

Electrical energy systems on small-fishing-vessels are still predominantly dependent on fossil-fuel-based generators, resulting in high fuel consumption and environmental emissions. This study aims to implement a hybrid photovoltaic–thermoelectric generator (PV–TEG) system as an additional electrical energy source for fishing-vessels by utilizing solar energy and diesel engine waste heat. The research employed a quantitative experimental approach through the development of a hybrid prototype consisting of a 20 WP photovoltaic module, four SP1848-27145-SA thermoelectric generator modules, a buck-boost converter, and a 12 V battery. Field testing was conducted on a diesel-powered fishing-vessel in the Suramadu coastal area, Surabaya, under two experimental scenarios with a 6-hour observation period from 09:00 to 15:00 WIB. The evaluated parameters included photovoltaic voltage, thermoelectric generator voltage, temperature difference (), and hybrid system output power. The results showed that the photovoltaic system produced an average voltage of 20.00 V during the first test and 20.63 V during the second test. The thermoelectric generator achieved a maximum output voltage of 6.3 V at a temperature difference of 47.3°C. The implementation of the hybrid PV–TEG system increased output power from 14.46 W to 17.28 W during the first test, representing a 19.50% improvement, while during the second test the output power increased from 41.15 W to 48.72 W, corresponding to an 18.40% improvement. These findings demonstrate that the integration of photovoltaic and thermoelectric generator systems can improve the continuity of electrical power supply on fishing-vessels through simultaneous utilization of solar energy and diesel engine waste heat.
Rencang Bangun Alat Pendeteksi Aroma Urine untuk Fasilitas Umum pada Panti Jompo Hendi Nur Wahyudi; Mulyadi Mulyadi
J-Eltrik Vol 7 No 2 (2025): November
Publisher : Fakultas Teknik dan Ilmu Kelautan, Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/je.v7i2.163

Abstract

The cleanliness of toilet facilities in nursing homes is an important factor in maintaining comfort, health, and environmental hygiene for the residents. Urine odor that is not immediately cleaned can cause discomfort and reduce the quality of sanitation in public facilities. This study aims to design and develop a urine odor detection device based on an automation system to help maintain toilet cleanliness in nursing homes. The designed system uses an ammonia gas sensor to detect urine odor, a PIR (Passive Infrared Receiver) sensor to detect user presence, LED lights for automatic lighting, and a water pump for an automatic flushing system. The research method used was an experimental method through hardware design, microcontroller programming, sensor testing, and system performance analysis. The results showed that the system worked properly through two automation features, namely automatic lighting and automatic flushing. The PIR sensor was able to automatically turn on the LED lights when detecting the presence of an object, making the toilet brighter and indicating that the toilet was being used. In addition, the ammonia gas sensor was able to detect urine odor and activate the water pump to automatically flush the toilet. The water pump stopped operating when ammonia gas was no longer detected. The designed system can help maintain toilet cleanliness, reduce unpleasant odors, and improve the efficiency of water and electrical energy usage in public facilities at nursing homes.

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