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Jurnal Mosfet
Published by Universitas Muhammadiyah Parepare
ISSN : -     EISSN : 27755274     DOI : -
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy
Jurnal MOSFET merupakan jurnal berbasis OJS yang mempublikasikan karya ilmiah hasil kajian dan penelitian dari para peneliti akademisi dan praktisi di bidang : Teknik Instrumentasi, Kendali dan Komputer (Instrumentation, Control and Computer Engineering); Teknik Elektronika (Electronics Engineering); Teknik Telekomunikasi (Telecommunication Engineering); Teknik Energi (Power Engineering).
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 48 Documents
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Prediksi Kenaikan Awan Di Wisata Lolai Berbasis Machine Learning Pineng, Martina; Pasinggi, Eko Suripto; Rumpa, Lantana Dioren; Suharpania, Exzelen Tri
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.2907

Abstract

The increase in cloud cover is an important indicator in predicting upcoming weather. However, manual observations of cloud cover are still limited and time-consuming. Therefore, this research aims to develop a cloud cover classification model based on measurement data in Lolai using the Naive Bayes machine learning method. In this study, data on cloud cover, temperature, and humidity measurements were collected directly in Lolai for 30 days and using online BMKG data. Then, the data was processed and divided into training and testing datasets. The Naive Bayes model was applied to the training data and its accuracy was tested on the testing data. The research results show that the cloud cover classification model based on Naive Bayes has varying accuracy levels depending on the data source. For direct measurement data, the model achieved an accuracy rate of 63%, while for online BMKG data, the model achieved an accuracy rate of 80%. In testing on the testing data, the model successfully classified cloud cover based on temperature and humidity data. This research contributes to identifying the relationship between temperature, humidity, and cloud conditions and evaluates the performance of the Naive Bayes model in determining the influence of air temperature and humidity on cloud conditions. It is expected that this research can serve as a basis for the development of weather prediction systems in the future.
Sistem Pendeteksi Kebocoran Gas LPG berbasis Internet of Things Jasmawati, Jasmawati; Wahyuddin, Wahyuddin; Andrian, Andrian
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3020

Abstract

The background of this research is the frequent occurrence of LPG gas leaks where when it occurs, no one is at home so that no one can close or disconnect the gas line. This can trigger a fire or the gas will run out wasted. Based on this background, the purpose of this research is to design a gas leak prevention system that can be connected to a smartphone. By using experimental research, namely system design and manufacturing of tools as research media, the authors created an internet-based LPG gas leak detection system of things. The data was obtained by means of library research, namely collecting references from various sources related to the research being carried out, and measuring the output on the device made of several components, namely MQ2 to detect gas ppm, load cell to read gas weight, buzzer to notify gas leaks, and servo motor to remove the gas regulator as well as the interconnection in the application (regulator safety). The parameters used for analysis are the ppm value for detecting gas leaks, the weight of gas cylinders, notifications and monitoring of gas leaks in applications. The results showed that from the data from the black box test results obtained which showed the performance of the tool was working properly, and on testing each component it also showed that it had worked according to its function, and testing on applications could bring up gas leak notifications as well as monitoring ppm and gas weight . Based on the overall system testing, it can be concluded that the tool made, namely the internet of things based LPG gas leak detection system, is running well.
Sistem Penghitung Berat Gabah Berbasis Desktop Herman, Herwin; Basri, Muhammad; Suwardoyo, Untung
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3108

Abstract

One of the interesting things to examine is the way farmers measure their grain harvest using scales. The reality in the field is that weighing is sometimes not accurate regarding the weight of certain types of grain. Actors in the field sometimes cheat by tampering with analog scales. Based on this problem, researchers conducted research to create a digital grain weight calculation application. The research was carried out by creating a digital weighing application that uses Arduino Uno as a microcontroller, load cell and HX711 module. The system is equipped with a desktop-based application to manage grain sales calculations based on weight. Testing is carried out by comparing measurement results between digital scales and the designed system. The test results show that the designed system can carry out measurements with an accuracy level of up to 90%
Sistem Monitoring Beban Tiga Fasa pada Gardu Distribusi berbasis Internet of Things Tandepadang, Eklesia Anggara; Jabbar, A. Abd.
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3109

Abstract

To achieve optimal results in distributing electrical loads, maintaining load balance among phases in a three phase installation system is essential, as any imbalance can lead to electrical power losses. One of the factors contributing to load imbalances is the improper installation of electrical equipment across the phases, deviating from the existing installation design. This research aims to develop a system, known as the Load Monitoring System, capable of storing and providing information about the load conditions installed on a three-phase transformer loading system. This system aims to facilitate the process of adding customers, dividing the load on each phase, avoiding load imbalances, and serving as a reference for routine maintenance of distribution substations annually. The methodology employed in this research is a quantitative method based on testing Internet of Things (IoT) monitoring system tools. The results show that the system effectively monitors load current and voltage at the distribution substation. Additionally, the device enables remote monitoring with the Transmitter capable of sending data to the Receiver from distances ranging from 50 m to 100 m and with the TX Max position in dense environmental conditions and full of obstacles such as buildings and trees or in rural areas with limited internet connectivity.
Perancangan Prototipe Sistem Pemanggil Perawat Nirkabel menggunakan Keypad dan Transceiver NRF24L01 Corida, Marselus Setiawan; Pawelloi, A. Irmayani; Zainal, Muhammad
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3119

Abstract

Hospital health services require effective communication tools between patients and nurses for patient comfort. Along with the development of wireless technology, many nurse call systems have been developed by researchers, application developers, and electronics activists to produce a more effective system and ease of use. The purpose of this study is to design a prototype of a wireless nurse caller system using NRF24L01 communication, and a keypad as a button that can be used by patients in the inpatient room to call patients, as well as an audio system in the nurse's room to receive calls from patients. By using the System Development Life Cycle (SDLC) method, the prototype of the nurse caller system was successfully realized and tested at the range and delay without obstacles and with obstacles. Based on the results of the distance and delay test in the unobstructed area, the caller node device and the call receiving node device can communicate at a distance of <100 meters with an average delay of 70.4 ms. Meanwhile, in the area where there is an obstacle (in the building), it shows the maximum communication ability between devices at a distance of 60 m with a delay of 74 ms and an average delay of 71 ms, Thus this prototype can be applied in hospitals.
Implementasi Novel Bat Algorithm Untuk Penjadwalan Ekonomis Pembangkit Listrik Termal Dengan Integrasi PLTB Nur Fitri, Sulistianingsih; Mustafa, Syahrul; Azis, Fatmawati
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3148

Abstract

Economic dispatch aims to control the variables of the power system so that the power plants can generate maximally based on load demand according to the characteristics of each plant and with cheaper production costs. In this study, economic dispatch is applied to thermal power plants with the integration of Wind Power Plants (PLTB) in Sulselrabar 150kV power system using the Novel Bat Algorithm (NBA) optimization method, considering voltage stability. The generation cost that can be reduced using the NBA method is IDR 12,583,781 per hour compared to the results of the existing system. With the integration of 100% of the PLTB capacity, the NBA method still provides cheaper economic dispatch results. Using the NBA method, the generation cost can be reduced by IDR 29,854,367 compared to the results of the existing system. After the integration of 100% of the PLTB capacity, the power losses obtained are smaller than before the integration of the PLTB. The system bus voltage conditions before and after the integration of the PLTB are also in good condition as they are within the voltage regulation limits set by PLN, which are +5% and -10%
Desain Alat Press Kaleng Minuman Portabel Berbasis Mikrokontroler Suhaebri, Tino; Ainuddin, Asma; Agustiawan, Aan; Pratama, M. Rezaldi; Wahyuni, Sri
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3282

Abstract

The large amount of scattered cans in the environment causes a decline in aesthetics and poses a potential risk of injury when these cans are stepped on or hammered to reduce their volume. This study aims to design and build an Arduino-based can press that can reduce the volume of aluminum cans from 11.6 cm to 4 to 5 cm safely and efficiently. The methods used include literature review, frame design, electrical circuit design, and software development to control the pressing process. Tests were conducted on the sensor, voltage, current, and pressing results. The test results show that the infrared sensor detects cans at a distance of 1 to 11 cm, and the stepper motor activates when the sensor detects a can, stopping when the activation delay ends and immediately reversing the motor’s direction. The average pressing time is 7.9 seconds, with a pressing capacity of up to 455 cans per hour. The power used during pressing is 56.5 W, with an energy consumption of 0.0565 kWh for 455 cans. In conclusion, the designed can press works well, reduces can volume efficiently and safely, and has the potential to reduce environmental can waste with good energy efficiency.
Alat Ukur Konstanta Waktu Resistor Kapasitor Berbasis Mikrokontroler Febrian, Andi Wahyu; Jabbar, A. Abd.; Jasmawati, Jasmawati
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3383

Abstract

Currently, the measurement of time constants in Resistor-Capacitor circuits still uses manual calculations, necessitating the development of measurement technology from analog to digital. This research aims to design and develop a digital-based time constant measurement tool for Resistor-Capacitor circuits. The research method uses a quantitative approach based on research and development with the implementation of an Arduino Nano microcontroller and Liquid Crystal Display. Testing was conducted on five capacitor variations with a fixed 100kΩ resistor in charging and discharging modes. Each test was performed five times to validate the consistency of results. The research results show that the developed measurement tool has a highest average error rate of 4.3%, well below the 10% tolerance limit. Comparative analysis with a standard multimeter shows good measurement consistency. This measurement tool can be implemented for digital measurement and analysis of Resistor-Capacitor circuits with a reliable level of accuracy.
Perancangan Sistem Kendali untuk Pergerakan Lengan Robot 4-DOF Pawelloi, A. Irmayani; Basri, Muh; Irwandi, Irwandi
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3426

Abstract

Robotic arms are one of the rapidly developing technologies in the field of robotics, with the need for efficient and reliable control systems. This research designed a robotic arm control system based on the ESP32 microcontroller with Bluetooth connectivity, using seven push buttons to control servo movements on four main components: shoulder, arm, gripper, and base. The purpose of the study is to analyze the performance of servo motion and the effectiveness of Bluetooth communication in controlling robot movement. The research method includes testing the response of servo movement at a certain angle range and evaluating Bluetooth communication capabilities at various distances and conditions. The results show that the servo motor has stable performance with minimal variation in movement time, with the average movement time varying between 1.64-6.82 seconds depending on the component. Bluetooth communication tests revealed 100% reliability at distances up to 15 meters without barriers, but decreased significantly to 40% at distances of 20 meters and only 10% at distances of 15 meters with barriers. The system features a 20x4 LCD for real-time monitoring and supports multiple control modes. This research contributes to the development of a robotic arm control system that is responsive and has potential applications in various industrial fields, with advanced recommendations to optimize Bluetooth communication range and quality.
Sistem Kendali Pengaturan Suhu Kandang Ayam berbasis Mikrokontroler Arya, Muhammad Hernan; Zainal, Muhammad
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3489

Abstract

The current chicken coop temperature control system still uses a semi-automatic control system, handling problems such as sudden temperature changes, making it difficult to handle quickly. This study aims to regulate the temperature of the chicken coop according to the age temperature of the chicken so that it remains stable. This research uses an experimental method. It uses an Arduino IDE for programming, and uses a DHT11 temperature sensor, an Arduino Uno Atmega328, a 16x2 LCD, an RTC and a 4 Chanel Relay Module that can be controlled automatically. The results of the study show that this tool works well and works continuously, if the age of the chicken is 1-5 days with a temperature of more than 30°C, the fan rotates to lower the temperature of the chicken coop and if the temperature is less than 29°C, the fan turns off and the heater turns on to stabilize the temperature. Chicken age 6-10 days If the temperature is more than 28°C then the fan is on to lower the temperature and if the temperature is less than 27°C then the fan is off and the heater is on. The age of the chicken is 11-30 days, if the temperature is more than 26°C, the fan is turned on to lower the temperature and if the temperature is less than 25°C, the fan is off and the heater will turn on to stabilize the temperature again.

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