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INDONESIA
Jurnal Mahasiswa TEUB
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
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Articles 25 Documents
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Search results for , issue "Vol. 12 No. 5 (2024)" : 25 Documents clear
RANCANG BANGUN JARINGAN HOTSPOT DI PASAR WISATA KEPUHARJO KABUPATEN MALANG Kamil, Muhammad Ilham; Kusmaryanto, Sigit; Mustofa, Ali
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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Internet telah menjadi bagian yang tidak terpisahkan dari kehidupan sehari - hari. Jaringan internet bisa disediakan dan diakses dengan menggunakan kabel atau nirkabel (wireless). Kegiatan dalam penelitian ini adalah melakukan rancang bangun jaringan hotspot dengan teknologi Wi-Fi di Pasar Wisata Kepuharjo Kabupaten Malang. Rancang bangun jaringan hotspot dimulai dari kegiatan survei ke lapangan, pemasangan perangkat (konfigurasi hardware dan software) dilanjutkan dengan pengujian Quality of Service (QoS). Dari perangkat utama Wi-Fi yang dipasang, terdiri dari Modem dan 2 Router menunjukkan kinerja QoS yang cukup baik. Kecuali parameter throughput menunjukkan kinerja kurang baik. Kata Kunci – Nirkabel, Teknologi Wi-Fi, QoS. DAFTAR PUSTAKA1. https://www.everand.com/read/282514067/Wireless-Networking-Know-It-All#2. https://www.everand.com/read/282488963/Internet-QoS-Architectures-and-Mechanisms-for-Qualityof-Service3. https://standards.ieee.org/beyond-standards/theevolution-of-wi-fi-technology-and-standards/4. Scribd. 2020. “Computer Networking The Complete Beginner's Guide to Learning the Basicsof Network Security, Computer Architecture, Wireless Technology and Communications Systems (Including Cisco, CCENT, and CCNA)”5. Vijay K. Varma. 2012. Wireless Fidelity, Originally published on the IEEE Emerging Technology portal, 2006 - 2012.6. Technical Report, TR 101 329 v2.1.1 (1999-06), Telecomunication and Internet Protocol Harmonization Over Networks (TIPHON);General aspects of Quality of Service (QoS), Europan Telecommunications Standard Institute 1999.7. Douglas E. Comer. 2006. The Internet Book, Department of Computer Sciences of Purdue University, 2007 Pearson Education, inc8. https://www.manualslib.com/manual/1962289/Huawei-B311as-853.html?page=10#manual9. https://www.tp-link.com/id/homenetworking/wifi-router/tl-wr840n/#specifications10. https://www.everand.com/read/282486060/Building-Cisco-Remote-Access-Networks#11. https://www.scribd.com/document/221463226/IEEE-802-11
RANCANG BANGUN PENAKAR OTOMATIS UNTUK PEMBUATAN PASTRY DIUD. BUMIAJI SEJAHTERA Brahmada, Yohanes Valerio; Setyawan, Raden Arief; Setyawati, Onny
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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This research discusses the creation of an automatic dosing tool for  making pastry at UD. Bumiaji Sejahtera. This automatic dosing tool will be created by creating subsystems and testing them first before putting themtogether and testing their accuracy and precision. The created subsystems are the material mass data retrieval subsystem, HMI communication subsystem, and material pouring subsystem. From the results of testing the material mass data retrieval subsystem, it was found that this subsystem was able to work with an average error value of 0.001533 grams and an overall average percentage error value of 0.1533%. From the results of testing the HMI communication subsystem, it was found that communication could run well as indicated by the compatibility of data on the sender and receiver sides in both cases. From the results of testing the material pouring subsystem, it was found that the relay and DC Motor worked well, where the relay and DC Motor worked when they received input voltage from the ESP 32. Testing the accuracy and precision of the tool produced an accuracy value of 0.098168498 % and a precision of 0.226067529 % for flour materials and an accuracy value of 0.79010989 % and a precision of 0.783743414 % for sugar materials. Keyword: Accuracy, Precision, Measuring, Mass, Communication, Pouring
Rancang Bangun Sistem Monitoring Particulate Matter (PM2.5) dan Karbon Monoksida di Poliklinik Universitas Brawijaya Berbasis IoT Muslimin, Nurhaliza; Maulana, Eka; Nurussa’adah, n/a
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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Air pollution occurs in almost every city in Indonesia. The high levels of particulate and harmful gas pollution exceeding the national standards of 15 µg/m³ for Particulate Matter (PM2.5) and 35 ppm for carbon monoxide can have serious impacts on the health and life expectancy of Indonesia's 272 million population. This research responds to this challenge by designing a monitoring system capable of detecting levels of PM2.5 and carbon monoxide in the environment of the University of Brawijaya Polyclinic. Increasing awareness of the importance of healthy air quality makes monitoring particulate and gas levels a crucial need, especially in healthcare facilities. Using Internet of Things (IoT) technology, this system is developed to provide real-time monitoring of air quality through a web based Blynk dashboard that is easily accessible by clinic staff. The system's composition involves the GP2Y1010AU0F sensor for particulate detection, the MQ-9 sensor for measuring carbon monoxide gas concentration, and the DHT22 sensor for measuring room temperature and humidity. The system also provides an alert system with indicator lights when PM2.5 and CO concentrations reach unsafe levels, as well as a mist maker for air quality maintenance. The results of this research show that the designed system operates stably and provides accurate data with error rates of 0.62% for the GP2Y1010AU0F sensor, 1.73% for the MQ-9 sensor, and 0.98% for temperature measurement and 1.07% for humidity measurement using the DHT22 sensor. Keywords: The Brawijaya University Policlinic, PM2.5, carbon monoxide, temperature and humidity, air quality, Blynk
ANALISIS PENGGUNAAN SUPERCONDUCTING FAULT CURRENT LIMITER (SFCL)PADA SISTEM DISTRIBUSI UNTUK MEREDUKSI ARUS HUBUNG SINGKAT DANMEMPERBAIKI TEGANGAN KEDIP
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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Berbek Feeder is one of the electricity distribution facilities of PLN UP3 Surabaya Selatan for consumers. In the distribution of electricity, Berbek Feeder often experiences short-circuit currents and voltage dips, which can degrade the quality of the  electric power. To protect equipment and improve the electrical system at the Gardu Induk Rungkut, a Superconducting Fault Current Limiter (SFCL) was installed at disturbance points of 25%, 50%, 75%, and 100%. This study aims to determine the short-circuit current disturbance values using ETAP 20.6 software by designing a single line diagram, entering data from PLN, and then conducting short-circuit simulations. The results showed that SFCL could reduce short-circuit currents: in three-phase disturbances, the current reduced by 0,98% from 512 to 606 kA within ½ cycle; in two-phase disturbances, the current reduced by 0,98% from 306 kA to 303 kA; and in single-phase-to-ground disturbances, the current reduced by 19,72% from 289 kA to 232 kA. SFCL also improved voltage dips in two-phase and single-phase-to-ground disturbances but not in three-phase disturbances due to the reactor impedance not being large enough to correct the voltage values. Keywords: Superconducting Fault Current Limiter (SFCL), short-circuit current, voltage sags, distribution system
PENGONTROLAN NUTRISI PADA HYDROPONIC VERTICAL TOWER TANAMANSTROBERI MENGGUNAKAN KONTROL LOGIKA FUZZY
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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Strawberries (Fragaria sp.) have high economic potential, but cultivation in lowlands is hampered by climate factors, such as temperature and solar radiation intensity. Hydroponic cultivation can be a solution to overcome this obstacle by providing measured nutrients according to plant needs. This study developed an automatic tool that measures nutrients based on dissolved particles (PPM) using the Sen044 TDS sensor, with Arduino Uno as a microcontroller and two peristaltic pumps for nutrient distribution. This tool is operated with a 12V 2A power supply and is designed to achieve a nutrient setpoint of 900 ppm. The control system used is Mamdani fuzzy logic, which includes fuzzification, rule base, inference, and defuzification. The fuzzification method applied is Min-max, while defuzification uses the Centroid method. The test results show that the nutrient control system has an accuracy of 94.65% in achieving the setpoint. The test also produces data on time constant, dead time, and steady state gain. For example, with a nutrient input of 700 ppm, the system exhibited a time constant of 1.63 seconds and a steady state gain of 18.51%/V with an output voltage of 3.75 volts. Keywords: Hydroponics, Fuzzy Logic, Nutrition Control System.
Peramalan Beban Listrik Jangka Pendek di Jawa Timur Menggunakan Model Hybrid Long Short Term Memory Artificial Neural Network (LSTM-ANN)
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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This research focuses on developing a hybrid Long Short-Term Memory-Artificial Neural Network (LSTM-ANN) model to short-term electricity load forecasting in East Java. The model is tested and compared with LSTM and ANN models to evaluate its performance. This research uses historical electricity load data from PLN UP2B East Java and PJM Interconnection East Region. The results show that the hybrid LSTM-ANN model provides the best performance in forecasting short-term electricity load, especially for predicting multiple time steps ahead. The complexity of the architecture and the ability to utilize sequential data are the key advantages of this model. Thus, the hybrid LSTM-ANN model can be an effective tool to improve the efficiency and reliability of the electricity system in East Java. Keywords— forecasting, electricity load, LSTM, ANN, Hybrid model.
RANCANG BANGUN BOOST CONVERTER PADA MINIATUR TURBIN ANGIN Nugraha, Dimas Aji; Mudjirahardjo, Panca; Nurwati, Tri
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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In the development of electronic devices today, it greatly helps in the advancement of increasingly sophisticated technologies, one of which is power electronic converters that have various applications such as buck converter, boost converter, buck-boost converter, etc. A boost converter is an electronic device that can convert AC to AC, AC to DC, DC to AC, and DC to DC by increasing the electrical voltage towards the predetermined target. In terms of the development of boost converter applications, they are widely found in renewable energy technologies such as solar, wind, water, geothermal, etc, which function as auxiliary devices to increase the voltage from the energy source to the storage location. In this research, a DC-DC boost converter will be designed for a miniature wind turbine with an input operating voltage of 3-7 volts and a desired output voltage target of around 12-13 volts, which will then be applied to charge a 12V 5AH battery. Keywords : Boost Converter, Renewable Energy, Miniature Wind Turbine, Battery Charging. 
PERENCANAAN JARINGAN LONG TERM EVOLUTION (LTE) PADA FREKUENSI 700 MHZ DI AREA KOTA KEDIRI BERDASARKAN COVERAGE DAN CAPACITY MENGGUNAKAN SOFTWARE ATOLL RADIO PLANNING Abdillah, Ginanjar Fahmi; Kusmaryanto, Sigit; Sari, Sapriesty Nainy
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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LTE is an Internet Protocol (IP) based technology with increased speed and spectrum efficiency compared to previous technologies. The 700 MHz frequency is the most ideal frequency for LTE in Indonesia. This is based on wider coverage, wide bandwidth availability, and smaller propagation loss compared to other frequencies. Determining the number of sites to be used refers to coverage calculations and capacity dimensioning. Then the location is chosen based on the existing site location in Kediri City so as to minimize blank spot areas. Then this planning uses Atoll Radio Planning software with the Okumura-Hatta propagation model. Dimensioning calculations show that the number of eNodeBs needed in this plan is 23 eNodeB sites. The simulation results show that the plan has a Received Signal Strength Indicator (RSSI) value of -66.36 dBm with a signal level that is categorized as good, namely >-90 dBm capable of covering an area of 65.62 km2. The average Reference Signal Receiver Power (RSRP) value obtained is -98.98 dBm. The average throughput value obtained was 22.354 Kbps. Keywords: LTE, Atoll, RSSI, RSRP, Throughput
RANCANG BANGUN TIMBANGAN DIGITAL KOPI BERBASIS INTERNET OF THINGS UNTUK PENCATATAN DAN OTOMATISASI PENGURANGAN STOK BAHAN Wicaksono, Ferdiansyah; Maulana, Eka; Nurussa’adah, n/a
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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The development of the coffee industry in Indonesia is growing rapidly. In the coffee industry, the quality and consistency of coffee flavor is very important where the right proportion of coffee and other additives is a major factor. In addition, operational efficiency in the coffee industry is also important to maintain competitiveness and optimal profits. This can be achieved by managing material stock and recording accurate weighing results so that stock opname activities are needed. One of the coffee shops that implement stock opname in Malang City is Toko Kopi Jaya. The calculation of existing material stock at Toko Kopi Jaya is currently still carried out in a conventional way where the basic ingredients of drinks such as espresso and milk are weighed manually at the end of operating hours. Manual calculations cause problems, such as errors in recording the results of weighing the stock of ingredients. The Internet of Things (IoT) can provide many innovative solutions to improve efficiency in various industries. In the context of the coffee industry, the application of IoT technology to digital scales can provide an effective solution to overcome the problem of inefficient calculation of the current stock of ingredients. The design of IoT-based coffee digital scales was successfully carried out for the automation of material stock reduction using the main components in the form of load cell sensors, HX711 modules, LCDs, and push buttons controlled by ESP8266. The reading data from the load cell sensor is received by ESP8266 and sent to Google Sheet. The load cell sensor used in this IoT-based digital scale has an accuracy rate of 99.964% and the system has an accurate rate of 99.7%. The integration system of IoT-based digital coffee scales with Google Sheet via Wi-Fi connection allows real-time recording of material usage and automatic reduction of material stock. Keyword: scale, Internet of Things, Stock Opname
PERANCANGAN PENGATURAN KECEPATAN MOTOR INDUKSI 3 FASA UNTUK PENGGERAK PROGRESSIVE CAVITY PUMP (PCP) MENGGUNAKAN VARIABLE SPEED DRIVE (VSD) METODE DIRECT TORQUE CONTROL (DTC) Hidayat, Ryan Mevi; Wijono, n/a; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol. 12 No. 5 (2024)
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Penggunaan Progressive Cavity Pump (PCP) telah menjadi pilihan utama dalam mengalirkan berbagai jenis fluida, terutama cairan berat atau kental dan pengoperasian pada fluktuasi tekanan. Hal ini disebabkan oleh kemampuannya untuk mengatasi tantangan yang dihadapi dalam mengalirkan fluida dengan viskositas tinggi dan pengoperasian pada tekanan yang berfluktuasi, serta kemampuannya untuk memberikan aliran yang stabil dan berkelanjutan. Motor penggerak yang umum digunakan dalam aplikasi PCP adalah motor induksi 3 fasa. Motor induksi 3 fasa banyak digunakan untuk menggerakkan rotating equipment di industri karena keandalannya, efisiensinya, konstruksi yang sederhana, harga yang lebih murah, dan mudah dalam perawatannya. Namun, pengoperasian motor induksi 3 fasa untuk aplikasi PCP memiliki kebutuhan akan pengaturan kecepatan serta dapat mempertahankan kecepatan dan torsi motor dalam kondisi yang dinamik. Oleh karena itu, penelitian ini bertujuan untuk merancang dan menganalisis penggunaan sebuah Variable Speed Drive (VSD) dengan metode Direct Torque Control (DTC) untuk aplikasi PCP menggunakan MATLAB dan Simulink. Hasil dari penelitian ini menunjukkan bahwasannya metode DTC dapat mencapai kecepatan yang diinginkan serta mempertahankan kecepatan pada kondisi dinamik pada motor induksi 3 fasa berbeban PCP dengan mengontrol torsi motor dan fluks stator secara langsung. Kata kunci: Motor Induksi 3 Fasa, Variable Speed Drive (VSD), Direct Torque Control (DTC), Progressive Cavity Pump (PCP)

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