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INDONESIA
Jurnal Mahasiswa TEUB
Published by Universitas Brawijaya
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Core Subject : Education,
Education
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Articles 24 Documents
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Search results for , issue "Vol. 13 No. 1 (2025)" : 24 Documents clear
EVALUASI KEANDALAN SISTEM DISTRIBUSI 20 KV DENGAN MENGGUNAKAN PENGGABUNGAN METODE SECTION TECHNIQUE DAN RELIABILITY INDEX ASSESSMENT (RIA) DI PT PLN (PERSERO) ULPPORONG PADA PENYULANG JIKEN Asyhari, Ahmad Rizky; Utomo, Teguh; Wibawa, Unggul
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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The need for the availability of reliable and efficient electrical energy is expected by the community as consumers. To find out how reliable and efficient a system is in supplying electrical energy to customers, it is necessary to analyze the reliability of the system. Distribution system reliability analysis can be done using several methods such as Section Technique and Reliability Index Assessment (RIA). The purpose of combining the Section Technique and RIA methods is to combine or sum up the parameters of the sustained failure rate and also the momentary failure rate. The combination of these two methods aims to complement the Section Technique method which only uses the sustained failure rate parameter. This study aims to determine the reliability index value of the Jiken Feeder of PT PLN (Persero) ULP Porong. In addition, this study will also calculate the value of economic losses received by PT PLN (Persero) ULP Porong based on the amount of Energy Not Supplied during a disturbance. To determine the reliability index value of Jiken Repository, several methods will be carried out, namely manual calculation using the Section Technique method and also a combined method (Section Technique - RIA), RIA and simulation using ETAP 19.0.1 software. The final result of the reliability index value will then be compared with the provisions of SPLN No. 59 of 1985, which shows that Jiken is categorized as unreliable because its reliability index value is above the provisions of SPLN No. 59 of 1985.Keywords : Section Technique, Combined Method, ETAP, Energy Not Supplied, Economic Loss
RANCANG BANGUN SISTEM KONTROL DAN MONITORING DAYA PERANGKAT ELEKTRONIK PADA SMART HOME BERBASIS IOT Hadi, Alif Fadhlurrahman; Zainuri, Akhmad; Asmungi, Gaguk
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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The habit of leaving electrical devices running unattended can lead to electricity wastage and, in the event of a short circuit, can potentially cause fires. Electricity consumption by PLN customers in the household sector continues to increase every year, necessitating enhanced efficiency. One solution is to use IoT to monitor and control electricity usage. This research employs the design of an IoT-based smart plug capable of monitoring AC electrical variables such as voltage, current, power, frequency, and power factor, as well as controlling a relay to cut off the power supply. Testing was conducted using a multimeter and a single-phase energy meter as a benchmark for the designed prototype. Additionally, the IoT system's response time was evaluated. From testing the ZMPT101b sensor, a difference of 4.358 V was found compared to the benchmark device, while the ZMCT103c sensor showed differences of 68.4 mA, 61.7 mA, and 68.3 mA across three loads. The power differences for each load were 0.38 W, 0.74 W, and 0.07 W, respectively. Regarding energy measurement performance, a difference of 0.1 kWh across the three loads was observed compared to the benchmark device. The actuator used is a relay, which disconnects the power supply in the event of an overload. The device's current-limiting performance was demonstrated when one circuit detected an overload (>5A), causing the relay in that circuit to successfully disconnect the power supply. The IoT system implementation was carried out via a web server with a local IP, which was then connected to the internet using the ESP32 Power Monitor application on a smartphone. With ESP32 Power Monitor, users can view sensor parameter readings and control the relay status for each load.Keywords : IoT, smart plug, power monitoring, energy efficiency, remote control
RANCANG BANGUN ALAT TERAPI TEMPOROMANDIBULAR DISORDER MENGGUNAKAN METODE TRANSCUTANEOUS ELECTRICAL NERVES STIMULATION (TENS) BERBASIS TELEDENTISTRY TERINTEGRASI INTERNET OF THINGS (IoT) Kusuma, Rizki Bagus Hadi; Nurussa’adah, n/a; Ambarwati, Rusmi
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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A disease characterized by craniofacial pain involving the joints, masticatory muscles, or muscles that innervate the head and neck is temporomandibular disorder (TMD). TMD is a major cause of pain in the orofacial region that is non-dental in nature. One of the factors causing TMD is hyperactivity of the muscles around the face. TMD often comes on suddenly, resulting in a decrease in the patient's quality of life, as it significantly interferes with the patient's ability to perform daily tasks such as eating, speaking, or yawning. An existing tool is Transcutaneous Electrical Nerve Stimulation (TENS) as one of the effective non-invasive, non-drug physical therapy techniques for the treatment of TMD. However, there are problems experienced at this time TENS has not been able to provide spontaneous and longterm therapy equipped with a monitoring application for the doctor in charge, so that its use remains under the supervision of a doctor. Through these problems, a technology is needed using the TENS method non-invasively accompanied by an Internet of Things (IoT) integrated doctor monitoring application. This innovation has been tested the functionality of the tool to determine the performance of the tool. In the output test, the percentage error and standard deviation of frequency 0.19% and 0.391 and voltage 0.075% and 0.1268 were obtained. TENS therapy testing results in a decrease in pain of 58%. The test results of internet data transmission of two different Access Point Bands with an average delivery time of 1.98 and 1.7 seconds.Keywords : temporomandibular disorder, TENS, Non-Invasive, Internet of Things
Implementasi Jaringan Hotspot dan Manajemen Bandwidth untuk Meningkatkan Sistem Pembelajaran di PONPES PPAI An Nahdliyah (MAPKNU) Karangploso, Kabupaten Malang Vasti, Yana Valda Tsania; Kusmaryanto, Sigit; Mustofa, Ali
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Wi-Fi-based hotspot networks have become the main solution for providing broad and flexible internet access, especially in environments that require shared connections, such as educational institutions. This research focuses on the design and construction of a Wi-Fi-based hotspot network at the PPAI Annahdliyah Islamic Boarding School (MAPKNU) Karangploso, Malang Regency, with the implementation of bandwidth management for even distribution of connections. The activity stages include site surveys, hardware installation, software configuration, and Quality of Service (QoS) testing. Test results show an increase in bandwidth efficiency after implementing management using Mikrotik, where throughput increased from an average of 4.5 Mbps to 9.8 Mbps, delay was reduced from 78 ms to 45 ms, and packet loss fell from 6% to 1%. This increase reflects more efficient bandwidth allocation and better connection quality for all users.Keywords – Hotspot, Bandwidth Management, QoS.
RANCANG BANGUN ALAT MONITORING TEMPOROMANDIBULAR DISORDER BERSIFAT NON-INVASIVE MENGGUNAKAN SENSOR ELEKTROMIOGRAFI (EMG) DILENGKAPI APLIKASI PEMANTAUAN PADA SMARTPHONE Akbar, Handal Wally; Nurussa’adah, n/a; Ambarwati, Rusmi
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Temporomandibular disorders (TMD) are characterized by craniofacial pain involving the joints, masticatory muscles, or muscles that innervate the head and neck. TMD can significantly reduce a person's quality of life such as eating and speaking, as well as affect the growth and development of the jaw and face. The main goals of TMD patient management are to reduce pain, reduce functional and parafunctional activities that cause abnormalities, and improve normal function. However, the lack of non invasive tools to measure the condition of muscle activity that parameterizes the severity of TMD is still a problem that exists today. Through this problem, a technology is needed that can monitor masseter and temporalis muscle activity by utilizing Electromyography sensors that can be connected to a monitoring application. The required technology can also provide classification of TMD severity conditions of patients using the asymmetry index method. This innovation has tested the functionality of the tool which is compared with the doctor's diagnosis. The results of data transmission tests via the internet with two different Access Point Bands were obtained with an average delivery time of 1.73 and 1.99 seconds. In testing the classification of conditions using the application obtained an accuracy rate of 100%. Testing the classification of conditions using the asymmetry index resulted in an accuracy rate of 86.67% by testing fifteen patients who have been diagnosed with TMD by doctors and normal patients.Keywords: Temporomandibular Disorder, Electromyography, Monitoring, Asymmetry index, Noninvasive
Rancang Bangun Sistem Monitoring Kualitas Air Berbasis IoT dengan Fitur Pengurasan Air Otomatis untuk Budidaya Lobster Air Tawar Ramadhan, Muhammad Rizky; Nurussa’adah, n/a; Abidin, Zainul
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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This research discusses the design and implementation of an IoT-based water quality monitoring system with automatic drainage features for optimizing freshwater crayfish aquaculture. The system utilizes ammonia (MQ-135), turbidity (SEN0189), temperature (DS18B20), and pH (pH-4502C) sensors to monitor water quality parameters in real-time. Sensor data is transmitted through ESP32 to the Blynk IoT platform for remote monitoring. The system is equipped with an automatic water drainage feature that activates when water parameters exceed predetermined thresholds. Test results show that the system can detect water parameters with high accuracy: ammonia sensor 82,42%, turbidity sensor 91,39%, temperature sensor 98,87%, and pH sensor 98,48%. The system successfully maintains water parameters within ideal ranges: ammonia <0.05 mg/L, turbidity <25 NTU, temperature 24-28°C, and pH 7.0-8.5. The system also successfully provides real-time notifications and activates automatic drainage when needed. The implementation of this system can improve aquaculture management efficiency and freshwater crayfish health.Keywords: IoT, Water Quality Monitoring, Crayfish Aquaculture, Ammonia Sensor, Turbidity Sensor, Automatic Drainage
ANALISIS PERBADINGAN MAXIMUM POWER POINT TRACKING (MPPT) PADA SISTEM PHOTOVOLTAIC DENGAN ALGORITMA PERTURB AND OBSERVE (P&O) DAN INCREMENTAL CONDUCTANCE (IC) Rofi’i, Hammam; Muslim, Muhammad Aziz; Siswojo, Bambang
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Pemanfaatan nergi surya menjadi salah satu solusi penting untuk mengatasi kebutuhan energi yang terus meningkat. Salah satu komponen utama system energi surya adalah photovoltaic (PV), yang mengubah radiasi matahari menjadi energi Listrik. Namun, efisiensi system PV sangat dipengaruhi oleh kondisi radiasi matahari dan suhu yang menyebabkan efisiensi menjadi fluktuatif. Oleh karena itu, diperlukan metode Maximum Power Point Tracking (MPPT) pada system PV agar bisa memaksimalkan hasil daya keluaran dari panel surya walaupun terjadi perubahan dalam kondisi radiasi matahari dan suhu lingkungan yang ada. Pada penelitian ini, penulis akan melakukan percobaan melacak daya maksimal dengan software Matlab Simulink menggunakan algoritma Perturb and Observe (P&O) dan Incremental Conductance (IC). Penulis merancang desain MPPT dengan boost converter untuk mencari daya maksimum panel surya serta menggunakan pengukuran data secara langsung di Lokasi tertentu selama tiga hari berturut-turut yang digunakan sebagai input dari system PV  dalam simulasi. Hasil pengujian menunjukkan bahwa algoritma P&O menghasilkan daya keluaran maksimum sebesar 264.9 W lebih tinggi dibandingkan IC yang mencapai 213.8 W. Namun, IC menunjukkan stabilitas efisiensi yang lebih baik dengan nilai tertinggi sebesar 96.96% sedangkan P&O hanya mencapai 96.81% .Kata Kunci― Panel Surya, Maximum Power Point Tracking, Perturb and Observe, Incremental Conductance, PV, Efisiensi
Pengaruh Variasi Posisi Modul Terhadap Biaya Energi dan Reduksi Emisi CO2 pada Perancangan PLTS Atap PT Lotte Packaging Ananda, Redzko; Wibawa, Unggul; Wijono, n/a
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Indonesia has immense solar energy potential, with an average intensity of 4.8 kWh/m², equivalent to 112,000 GWp. However, only 10 MWp, or 0.08%, has been utilized. From an environmental perspective, rooftop solar power plants can significantly reduce CO₂ emissions. The tilt angle of solar modules influences both energy production and the performance ratio (PR). This study focuses on the impact of tilt and azimuth angles on energy output, PR, economic feasibility, and CO₂ emission reduction. Two scenarios are analyzed based on different angle combinations. A rooftop solar power plants system is considered technically feasible if the PR falls within the 75-80% range. Economic feasibility is assessed using methods such as Cost of Energy (COE), Net Present Value (NPV), Profitability Index (PI), Payback Period (PP), Internal Rate of Return (IRR), and Return on Investment (ROI) over a 30-year project period. Emission reductions are calculated using grid emission factors, assuming a 1% annual degradation rate for the PLTS. Scenario 1 produced 2,479,926 kWh with a PR of 87%, while Scenario 2 generated 2,474,835 kWh with a PR of 86.98%. Both scenarios are economically viable; however, Scenario 1 is more favorable, with a COE of Rp986.35/kWh, an NPV of Rp14,284,057,871, a PI of 1.52, a payback period of 12 years, 3 months, and 11 days, an IRR of 10.89%, and an ROI of 52.01%. Additionally, Scenario 1 achieved greater CO₂ emission reduction, totaling 54,224 tons over 30 years, compared to Scenario 2.Keywords : solar PV, angle variations, economic analysis, CO2 reduction
SISTEM PENGONTROLAN pH AIR PADA AQUASCAPE IKAN NEON TETRA MENGGUNAKAN METODE FUZZY SUGENO Fauzi, Mohamad Reza; Rusli, Moch.; Yudaningtyas, Erni
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Aquascape adalah sebuah seni mengatur tanaman air dan batu, batu karang, koral, atau kayu apung, secara alami dan indah di dalam akuarium sehingga memberikan efek seperti berkebun di bawah air (Harsono;2012). pH yang baik untuk neon tetra adalah antara 5,5 – 7,8 serta pH yang baik untuk tanaman air adalah antara 6,5-8. Pengontrolan kadar pH pada air aquascape dilakukan dengan cara pemberian larutan asam (pH down) atau basa (pH up) dengan jumlah tertentu yang dapat menaikkan dan menurunkan kadar pH, sehingga pH pada air aquascape selalu stabil pada rentang yang sudah ditentukan. Penelitian ini akan membahas cara pengontrolan pH pada aquascape menggunakan Fuzzy Logic Control dengan metode Sugeno dan melihat apakah jumlah larutan asam atau basa yang dikeluarkan sudah sesuai dengan yang ditentukan oleh sistem. Berdasarkan data hasil pengujian dan penelitian yang telah dilakukan, maka didapatkan waktu yang dibutuhkan dari keadaan asam ke pH yang diinginkan adalah 240 detik dan waktu yang dibutuhkan dari keadaan basa ke pH yang diinginkan adalah 150 detik. Serta waktu recoverynya adalah 160 detik.Kata Kunci- Aquascape, Neon Tetra, Fuzy Logic Sugeno, pH.
ANALISIS EFEKTIVITAS PENGGUNAAN DIRECT DC-LINK CURRENT CONTROL UNTUK MENGURANGI RIAK TORSI PADA MOTOR BRUSHLESS DIRECT CURRENT (BLDC) Diputra, Ariyanta Dafa; Djuriatno, Waru; Nurwati, Tri
Jurnal Mahasiswa TEUB Vol. 13 No. 1 (2025)
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Sejak ditemukan oleh Michael Faraday, motor listrik telah berkembang pesat dan digunakan secara luas dalam berbagai industri. Namun, motor konvensional seperti motor DC dan motor induksi memiliki beberapa kekurangan, termasuk efisiensi rendah dan gangguan elektromagnetik. Motor Brushless Direct Current (BLDC) menjadi solusi potensial dengan efisiensi lebih tinggi, umur pakai lebih panjang, dan sistem kontrol yang lebih presisi. Meskipun demikian, motor BLDC memiliki tantangan berupa riak torsi yang memengaruhi performa. Penelitian ini bertujuan untuk menganalisis efektivitas metode Direct DC-Link Current Control (DDLCC) dalam meredam riak torsi pada motor BLDC. Hasil simulasi menunjukkan bahwa metode kontrol konvensional seperti tanpa menggunakan metode kontrol dan menggunakan metode DTC menghasilkan variasi torsi yang signifikan, masing-masing hingga 294% dan 22%, dengan pola riak berulang. Penerapan metode DDLCC berhasil meredam riak torsi secara signifikan, dengan rentang variasi hanya 4% dalam kondisi steady. Pola riak torsi yang dihasilkan tetap mengikuti perubahan sektor selama satu siklus elektrik motor. Temuan ini menunjukkan bahwa DDLCC merupakan pendekatan yang efektif untuk mengurangi riak torsi pada motor BLDC, meningkatkan efisiensi, dan keandalan operasional.Kata Kunci—BLDC, DC-Link, Torsi, Riak Torsi. 

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