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INAJEEE (Indonesian Journal of Electrical and Electronics Engineering)
Published by Universitas Negeri Surabaya
ISSN : -     EISSN : 26142589     DOI : 10.26740/inajeee
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
INAJEEE or Indonesian Journal of Electrical and Eletronics Engineering (E-ISSN 2614-2589) is a scientific peer-reviewed journal issued by The Department of Electronics, Faculty of Engineering, Universitas Negeri Surabaya (UNESA). Accepted articles will be published online and the article can be downloaded for free (free of charge). INAJEEE is published periodically (2 issues per volume/year) with 5 articles each time published (10 articles per year). INAJEEE is free (open source) all to access and download. The journal includes developments and research in the field of Electronic Engineering, both theoretical studies, experiments, and applications, including: 1. Electronics Engineering 2. Power system Engineering 3. Telematics 4. Control System Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 157 Documents
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QR Code Technology Based Laboratory User Attendance to Improve Study Program Governance Tjahyaningtijas, Hapsari Peni Agustin
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 1 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n1.p1-5

Abstract

QR codes are commonly employed in today's technologies. Surabaya State University's Department of Electrical Engineering uses the QR Code to track the presence of Electrical Engineering Laboratory users. hence far, attendance has been taken through manual scanning, hence laboratory members frequently do not take attendance. The usage of the QR Code for attendance has been carried out and tested by scanning the QR code. The QR code direct to google sheet link whereas the Laboratory used to send it to the head of the faculty. The Experiment of using QR Code where held in Telecommunication Laboratory with homogenous area of illumination and scanned at 50 cm, 100 cm, and 150 cm distances. The results demonstrate that QR codes sized 13.5 cm2 can still be scanned at a distance of 100 m but fail at distances greater than 100 cm by using smart phone. The use of QR codes for attendance in the Electrical Engineering Department has numerous advantages, including being efficient in order to establish good governance, efficient, paperless and contributing to a green environment
Air Pollution Quality Monitor (CO, CO2, PM2.5) at Surabaya State University Damanik, Maresa Nei Britama
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 1 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n1.p12-18

Abstract

Exposure to air pollution inhaled every day greatly impacts health. Air pollution occurs anywhere, including in the environment of Surabaya State University. Air pollution originates from vehicle emission gases, combustion activities, and other sources. Due to limitations in obtaining air quality information within Surabaya State University, this study aims to facilitate monitoring of air pollution quality (CO, CO2, PM2.5) within Surabaya State University to improve health quality. This air pollution monitor can measure the concentration of CO, CO2, and PM2.5 where the MQ-7 sensor detects CO (carbon monoxide) gas concentrations, the MQ-135 sensor detects CO2 (carbon dioxide) gas concentrations, DSM501A sensors detect PM2.5 (particulate) concentrations, and the use of IoT as a medium for delivering air pollution quality information that can be accessed through air pollution monitoring websites anywhere and anytime. The pollution monitoring tool has a fairly good performance in measuring the quality of air pollution (CO, CO2, PM2.5) in the environment of Surabaya State University, with an average MQ-7 sensor reading accuracy of 87%, an average MQ-135 sensor reading accuracy of 96.44% and an average DSM501A sensor reading accuracy of 90.68% and can send air pollution monitoring results to the website in real-time. Keywords: Pollution monitor, MQ-7, MQ-135, DSM501A, website.
Design and Build an IoT Based Reading Room Visitor Monitoring System for the Department of Electrical Engineering Napitu, Gita Masito
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 1 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n1.p6-11

Abstract

The reading room is one of the places frequented by students. Students can use this room for various activities such as reading books, looking for materials, independent study, and other activities. The increasing number of visitors in the room can affect the availability of space which can cause inconvenience between visitors and limited facilities that can hamper the activities to be carried out. Therefore, regular monitoring of the room is needed so that the room can be used optimally. In this study, researchers proposed a reading room visitor monitoring system tool majoring in IoT-based electrical engineering. This tool utilizes a single microcontroller, namely NodeMCU Esp8266 with the features offered, namely monitoring the number of visitors entering and leaving the room, the total number of visitors who are in the room, and the status of room availability. This tool is also equipped with red and green indicator lights as an indicator of room availability and a buzzer as an alarm if the room condition is full. The monitoring results are displayed on the LCD and utilize the IoT platform, namely in the application that displays monitoring results via a smartphone that can be accessed regularly. The sensors used in this study include Ultrasonic sensors and PIR sensors. The purpose of this research is to produce IoT-based reading room visitor monitoring tools and test the performance of the tools. In this study, the visitor monitoring tool that was made worked well with an average error of 0.031. Keywords: IoT, Monitoring Visitors, Applications  
Door Security System Using e-KTP and One Time Password (OTP) Code with Telegram Messenger Notification Syalbilla, Putri Pajria
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 1 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n1.p19-24

Abstract

The large number of cases of theft cases can be evidence that this crime is a social phenomenon that is always faced and always sought by various parties to reduce the intensity or level of crime that occurs. Improving the door security system is an effort that can be made to reduce theft that occurs because the existence of this door is often used by thieves as the main access to be able to enter a room and open it by breaking into the door. Therefore, the development of a door security system is needed to provide convenience in monitoring the condition of the door. This system is based on the NodeMCU ESP32 microcontroller as the working controller of the entire range, using the verification of the registered owner's e-KTP and OTP code as the second password to be able to open the door. Equipped with a solenoid door lock as door lock, magnetic sensor, SW 420 vibrating sensor, and buzzer as a security alarm. The Telegram application acts as a notification when there is an attempted theft or break-in on the door and as a messenger regarding who accesses the door. The test results obtained are tools that are designed as a whole to have good performance and can work according to their respective specifications, with the telegram application that can work optimally in monitoring all activities on the door. Keywords: RFID, e-KTP, One Time Password, NodeMCU ESP32, monitoring
VSAT (Very Small Aparture Terminal) Network Performance In Data Transmission Seismic In The BMKG Region III Pande, Gede Wipradnyana
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 1 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n1.p25-29

Abstract

Abstrak – Kondisi geografis Indonesia yang terdiri dari banyak pulau, daerah pegunungan, dan lautan apabila dilakukan komunikasi terestrial maka akan sulit dilakukan. Serta untuk membangun komunikasi tersebut memerlukan biaya yang sangat besar. Untuk mengatasi permasalahan tersebut dikembangkanlah teknologi Very Small Aparture Terminal (VSAT) dengan memanfaatkan Satelit sebagai sistem  komunikasinya. Badan Meteorologi Klimatologi dan Geofisika (BMKG) juga memanfaatkan VSAT sebagai media transmisi data seismik. Dalam transmisi data dari satelit ke stasiun bumi menempuh jarak yang sangat jauh. Sehingga dalam transmisi data tersebut membutuhkan waktu yang tidak kecil. Dalam penelitian ini akan dianalisis mengenai latency,  satelit downstream, dan satelit upstream sebagai performansi dari jaringan VSAT. Hasil pengamatan latency pada jaringan VSAT di Balai Besar MKG Wilayah III menunjukkan nilai di bawah 750 ms yang artinya masih kategori baik.  Serta nilai satelit downstream yang semakin besar dan nilai satelit upstream yang semakin kecil berarti bahwa performansi jaringan VSAT semakin bagus. Secara garis besar performansi VSAT untuk transmisi data seismik di Balai Besar MKG Wilayah III dalam kondisi bagus.   Kata Kunci: Satelit, VSAT, BMKG, Latency, Downstream, Upstream.   Abstract – Indonesia's geographical conditions consist of many islands, mountainous areas and oceans, if terrestrial communication is carried out it will be difficult. And to build this communication requires very large costs. To overcome this problem, Very Small Aparture Terminal (VSAT) technology was developed using satellites as the communication system. The Meteorology, Climatology and Geophysics Agency (BMKG) also uses VSAT as a seismic data transmission medium. In transmitting data from satellites to earth stations over very long distances. So the data transmission requires quite a bit of time. In this research, latency, downstream satellites and upstream satellites will be analyzed as the performance of the VSAT network. The results of latency observations on the VSAT network at the MKG Region III Center show a value below 750 ms, which indicates that is still in the good category. And the larger the downstream satellite value and the smaller the upstream satellite value, it means that the performance of the VSAT network is getting better. In general, VSAT performance for transmitting seismic data at the MKG Region III Center is in good condition. . Keywords: Satellite, VSAT, BMKG, Latency, Downstream, Upstream.
Body Temperature Classification System Based on Fuzzy Logic and The Internet of Things Fadli, M. Najmul; Alfiansyah, Muhammad Wisnu; Sirojul Hadi
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 2 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n2.p35-43

Abstract

Health technology has become more efficient thanks to telecommunications and information technology. One of the utilizations is IoT detecting a person's body temperature condition. This research aims to produce a tool that can classify human body temperature by implementing fuzzy logic methods and the Internet of Things so that early prevention can be carried out against hyperthermia and hypothermia sufferers and can be used as advice for further examination to doctors. The phases in this study are analysis requirement, system design, implementation, and testing. The tools incorporated in this system are intended to measure body temperature and can classify the measured body temperature into specific categories. This research utilizes the Sensor Proximity E18-D80nK to detect the presence of an object concerning the sensor. Additionally, the system employs MLX90614 sensors for temperature measurement. The results of this research are that the use of the DHT22 sensor for measuring room temperature and the MLX80614 sensor for non-contact body temperature respectively produces a high level of accuracy, namely 98.22% and 98.29%. In addition, the implementation of the fuzzy logic algorithm succeeded in achieving 100% accuracy in classifying body temperature data, showing the effectiveness of this method in detecting human body temperature.
Portable Solar Water Pump Design And Forecasting Very Short-Term Sun Light Radiation Using Feed Forward Neural Network Method Adiwana, Moch. Nur
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 2 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n2.p30-34

Abstract

Portable Solar Water Pump is an alternative to renewable energy that can convert solar radiation into the form of electrical energy used to pump rice field irrigation water. Solar radiation promotes increased photovoltaic absorption, leading to improved battery life time performance. Solar cells have a high efficiency value if photons from sunlight can be absorbed as much as possible. This research aims to design a Portable Solar Water Pump. After that analyze the forecasting of solar radiation Watt/  in the next hour starting from 08.00-13.00 then predicted at 14.00 using the Feed-Forward Neural Network (FFNN) method. And get an error value of 2.6. With the highest radiation value of 1285,6 Watt/ . Keywords: Photovoltaic, Portable Solar Water Pump, Solar Radiation, Feed Forward Neural Network
Design And Development Of A Pond Water Quality Monitoring Device Using The GSM SIM-800L Module Burhanudin, M. Dean
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 2 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n2.p44-49

Abstract

The current pond water monitoring systems are still lacking, necessitating innovations in efficient and effective monitoring technology. This study aims to design and develop a pond water monitoring system using SIM800L and ESP32 modules. The method used in this research is development research, which includes the stages of design, creation, and testing of the device. This monitoring system is equipped with TDS sensors, temperature sensors, and pH sensors to measure pond water quality in real-time. The test results show that the developed device can accurately monitor pond water quality and transmit data to a server via the GSM network. In conclusion, this device is effective and can be used by users to practically and efficiently monitor pond water, thereby helping to maintain pond water quality and support better aquaculture
Prediction of Air Temperature on Runway 10 Juanda Airport Using Hybrid LSTM Anjani, Jasmine
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 2 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n2.p50-58

Abstract

Abstract – Global climate change increases the frequency of extreme weather, impacting various sectors, including aviation. Accurate weather prediction becomes crucial to ensure the safety of human activities, including aviation operations. This study aims to predict air temperature variables on Runway 10 at Juanda Airport using a Long Short Term Memory (LSTM) architecture stacked with a Gated Recurrent Unit (GRU) architecture, named Hybrid LSTM. The data used in this study is air temperature (per minute) obtained from the Automatic Weather Observing System (AWOS) in (.csv) format. Testing was conducted for short-term predictions and comparisons were made between Hybrid and non-Hybrid models. The test results show that the LSTM-GRU architecture produced the lowest evaluation values for predicting temperature with an MSE of 0.0181, MAE of 0.0814, RMSE of 0.1345, and MAPE of 0.29% using a batch size of 64 and 20 epochs. This indicates that the developed model is suitable for predicting the next short-term period (5 minutes). For future research, model development is needed by adding features or adjusting hyperparameters to accurately predict the long term.Keywords: Predict, Air Temperature, Automatic Weather Observing System (AWOS), LSTM, GRU
Juanda Airport Runway Visibility Modeling Using Gan Based on Imbalanced Dataset Al Rahmat, Nusaibatul Zahra
INAJEEE (Indonesian Journal of Electrical and Electronics Engineering) Vol. 7 No. 2 (2024)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajeee.v7n2.p59-69

Abstract

Abstract – Aviation safety and security are heavily influenced by airport visibility, as pilots require clear visual references for landing. However, poor weather conditions can reduce visibility and increase the risk of accidents. Therefore, an automated system is needed to classify visibility levels quickly and accurately, even when faced with the challenge of imbalanced datasets. This study employs a Generative Adversarial Network (GAN) approach, focusing on Vanilla GAN, DCGAN, and StyleGAN models. The data used is sourced from CCTV AWOS at Runway 10 of Juanda Airport, encompassing 14,458 images from the period of August 13 to 31, 2023. The models are evaluated using SSIM scores and feature extraction of color, texture, and HOG at various epochs. The results indicate that the Vanilla GAN model at 60 epochs is the most suitable for the minority class compared to the other models, based on feature evaluation, SSIM scores, synthetic image quality, and loss pattern outcomes. Its simple architecture aids in capturing low variation in the dataset, making it superior to more complex architectures like DCGAN and StyleGAN. Further optimization and architectural adjustments could enhance the results, especially for datasets with low variation like the one used in this study.Keywords: Aviation, GAN, Dataset

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