591 results

Evaluation of Staged Under Frequency Load Shedding Strategy for Generator Trip Events at Arun Substation Using DIgSILENT Powerfactory

M. FITRA WALDI; MUHAMMAD DAUD; SELAMAT MELIALA et al.

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Frequency stability is a key indicator of power system reliability, as disturbances such as generation loss can cause rapid frequency decline and potentially lead to a blackout. This study evaluates the effectiveness of a load shedding scheme using an Under Frequency Relay (UFR) at the Arun…

The Effect of Cirata PV Power Plant Integration on Small-Signal Stability in the 500 kV Jawa-Bali System

NABILLYA ARGA NORMALITA; AWAN UJI KRISMANTO; IRRINE BUDI SULISTIAWATI

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Renewable energy resources (RES) integration significantly affects power system stability, corresponding with the system to maintain stable conditions when the system is subjected with small disturbance. In this research, the effects of Cirata integration on the Jawa Bali 500kV power system…

Enhancing Isolation Forest with Threshold-based Filtering and LSTM for Attendance Anomaly Detection

ZULLVAN SUGIANTORO; REGINA LIONNIE

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

The research discusses the simulation of a GPS-based attendance coordinate point authenticity verification system. Verification is carried out using the Isolation Forest model to detect outliers based on distance anomalies between entry and exit attendances and total path anomalies combined with…

Comparative Study of 10 Wp Solar Panel Performance with Mirror Reflectors at Various Angles

BASYARUDDIN ISMAIL HARAHAP; SEPTIA REFLY; DOLI BONARDO et al.

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

Improving solar panel performance is challenging due to increasing of solar radiation. This study investigates the effect of variations in the angle of the flat mirror reflector on the surface temperature and electrical performance of a 10 Wp monocrystalline solar panel using an ESP32-based data…

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Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

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Spatial-Temporal Performance Variability of 1 kWp Polycrystalline PV Systems across Indonesia’s Diverse Climate Zones

MUHAMMAD IRSAN; NURUL CHAIRUNNISA NOOR; MUHAMMAD HAFIS

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Indonesia has enormous solar energy potential, but local climate variability often causes deviations between design estimates and actual performance. This study aims to analyze the effect of climate parameters on the performance of a 1 kWp solar power system in six different climate zones through…

Performance Analysis of Inverse Kinematics-Based Balance Control for Hexapod Stair Navigation

SYAFFEL SEAN RIZKINATA HERYAMAN; KHAIRUL ANAM; WAHYU MULDAYANI et al.

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Maintaining body stability is a key challenge for hexapod robots in stair navigation. This study proposes an inverse kinematics (IK)-based approach for dynamic balance control using real-time joint angle computation. Experimental results show that the method maintains body orientation near a…

Low-Cost Embedded System for Real-Time Manual Treadmill Speed Tracking and Running Game Integration

IRHAM MULKAN RODIANA; ALIYUS HEDRI; FEBRIAN JOSUA KONTU

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

Manual treadmills are low-cost and widely accessible but lack electronic systems for measuring running speed, limiting their use in interactive or gamified applications. This study presents a simple embedded system that enables real-time speed tracking on a manual treadmill using a magnetic reed…

Performance Analysis of GPON ONT-OLT Interoperability in Multi-Vendor FTTH Environment

GUNADI DWI HANTORO; ANDI WAHYUDI; WIDYA KAMALA et al.

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Interoperability between Optical Line Terminals (OLTs) and Optical Network Terminals (ONTs) is an important aspect of GPON-based Fiber to the Home (FTTH) deployments in multi-vendor environments. Although the ITU-T G.984 standard defines an interoperability framework, variations in OMCI…

IoT-Based Kitchen Monitoring System with ESP32 and Firebase Realtime

FAJAR RAHAYU; ANDHIKA OCTA; HERI HARDIYANTO

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

LPG gas leaks and unmonitored kitchen environmental conditions can trigger fires and endanger health. This study developed an Internet of Things (IoT)-based kitchen monitoring system to detect Liquefied Petroleum Gas (LPG) leaks and environmental conditions in real-time. The system uses an MQ-2…

Techno-Economic Evaluation of a Bagasse Gasification Biomass Power Plant in the Sugar Industry

DIMAS SURYA FIRMANSYAH; ROYB FATKHUR RIZAL; MISBAHUL MUNIR

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Bagasse utilization for power generation in sugar mills remains dominated by inefficient conventional boilers. This study assesses economic feasibility of a hybrid bagasse gasification power system using HOMER Pro software. The model includes a biomass gasifier, diesel generator, and grid…

Comparison of Clutter Reduction Methods for Buried Object Detection in Heterogeneous Soil

QUEEN HESTI RAMADHAMY; ZUMAR AHMAD; BAIK BUDI

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

A GPR was conducted in this study using a Vector Network Analyzer (VNA) connected to two antennas to detect buried metals. The target was located 17 cm below the ground surface. The detection process was carried out to obtain radar images, namely A-scan and B-scan. Clutter reduction was performed…

Resistance Of The Grounding System In Residential Houses In Preventing The Hazard Of Electric Shock To Humans Using Soil Treatment

AYU FITRIANI; JHONI HIDAYAT; NURMAHENDRA HARAHAP et al.

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

Electric shock is a fatal risk in domestic environments that require an effective grounding system. Because high resistance can weaken the protective function, optimization through the use of additives is the main focus of this study. This study evaluates the effect of electrode rod planting depth…

Local Weather Monitoring using WSN and IoT as an Early Warning for Extreme Weather

RAHMI HIDAYATI; KARTIKA SARI; IRMA NIRMALA

Jurnal Elkomika, Vol. 14 No. 2 · 2026 · Indonesian · DOAJ

This research develops a local weather-monitoring system based on the Internet of Things (IoT) and a Wireless Sensor Network (WSN), employing four nodes to collect real-time data on temperature, humidity, air pressure, wind speed, and rainfall. Each node transmits its data to Firebase, where it is…

Enhancing Hazy Image Quality with a Modular CNN Encoder–Decoder

ANDIKA MUHAMMAD NUR KHOLIQ; ARIEF SURYADI SATYAWAN; MOKH MIRZA ETNISA HAQIQI et al.

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

This study develops a modular CNN encoder–decoder framework for single-image dehazing by replacing the conventional bottleneck with interchangeable token-mixing modules such as FNet, Spatial-FNet, MLP-Mixer, and gMLP-style designs. The pipeline integrates adaptive preprocessing (CLAHE and histogram…

Optimization System on Photoplethysmography (PPG) Signal using Analog and Digital Filters

M. RIVALDI ALI SEPTIAN; SUKSMANDHIRA HARIMURTI; WAHMISARI PRIHARTI et al.

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

Photoplethysmography (PPG) adalah teknik non-invasif untuk memantau denyut jantung dan saturasi oksigen, namun rentan terhadap noise. Penelitian ini bertujuan mengoptimalkan kualitas sinyal PPG melalui desain dan implementasi sistem filter analog dan digital. Sistem terdiri dari sensor pulse dan…

Experimental Comparison of DALI and 0–10V LED Dimming Systems for Smart Lighting

MUHAMMAD RISQI NURYANA; MARSUL SIREGAR; KAREL OCTAVIANUS BACHRI

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

This study compares the dimming performance of DALI and 0–10 V using three commercial LED drivers at eight dimming levels. The testing included power consumption, illuminance, and flicker stability. The results showed that DALI was able to maintain a linear dimming curve down to low levels such as…

Image Quality Measurement of Independent Linear Matrix-Based Decomposition Results and Attenuation Coefficients

TOTO MINOTO; R TRIOCLARISE

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

One way to diagnosing a disease is by examining an image. To display an image on a specific component, an inverse matrix-based algorithmic decomposition technique is used. If the Lambert-Beer Law equation is subjected to a natural logarithmic operation, a linear relationship between intensity level…

Fuzzy Logic Based LoRa and IoT Smart Buoy for Sea Wave Monitoring in Madura

ADI KURNIAWAN SAPUTRO; RIZA ALFITA; MOHAMAD AHSAN ZUHUDI et al.

Jurnal Elkomika, Vol. 14 No. 1 · 2026 · Indonesian · DOAJ

Indonesia is an archipelagic country with most of its territory consisting of water, increasing the risk of water-related natural disasters. Seawater waves, influenced by tidal movements, are one such phenomenon, and wind speed significantly affects their height. Faster sea winds can generate…