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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini Faktor Exacta Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Elektronika dan Telekomunikasi TELEKONTRAN: Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Jurnal Sistem Cerdas DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) KURVATEK Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Community Empowerment J-ABDIPAMAS (Jurnal Pengabdian Kepada Masyarakat)
Hadi Putri, Dewi Indriati
Universitas Pendidikan Indonesia
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Public Health Social Sciences

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A EVALUASI KINERJA CWDM 8 CHANNEL DENGAN VARIASI PANJANG GELOMBANG: FOKUS POWER LINK BUDGET, SNR DAN BER Rojabi, Alpiyan Arif; Fauzi, Ahmad; Putri, Dewi Indriati Hadi
Telekontran : Jurnal Ilmiah Telekomunikasi, Kendali dan Elektronika Terapan Vol. 12 No. 2 (2024): TELEKONTRAN vol 12 no 2 Oktober 2024
Publisher : Program Studi Teknik Elektro, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/telekontran.v12i2.13635

Abstract

The need for internet connection continues to grow and is the main priority of the Indonesian population. The use of fiber optic as a transmission system aims to increase data transfer speed and is resistant to interference. The use of CWDM technology can overcome high traffic volumes by dividing the wavelength. PT. Surya Citra Media has a network that connects the SCTV tower office with the IVM office in Daan Mogot. This study examines the performance of the CWDM fiber optic network link SCTV Tower - IVM Daan Mogot. The CWDM used has a capacity of 8 channels with a wavelength of 1310nm to 1450nm with a channel spacing of 20nm. This study was conducted to evaluate the 8-channel CWDM fiber optic network through performance measurements. The performance of the fiber optic network is focused on the parameters of the power link budget, SNR and BER. The results showed a power link budget of -9.407 dB and an SNR value with the smallest value of 37.0864 and the largest of 37.6150 dB. While the BER value ranges from 10-10 to 10-11. So that the network can be declared feasible based on the evaluation results.
Smart watering of ornamental plants: exploring the potential of decision trees in precision agriculture based on IoT Pratama, Hafiyyan Putra; Hadi Putri, Dewi Indriati; Putri, Hafiziani Eka; Irawan, Elysa Nensy; Kautsar, Makna A’raaf
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 15, No 1 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2024.963

Abstract

Ornamental plant farmers face various challenges due to climate change and environmental stress that significantly affect plant health and growth. This research overcomes these challenges by developing an intelligent watering system that uses internet of things (IoT) technology and decision trees (DTs) algorithms to optimize the use of planting land by ensuring plants grow in the most optimal conditions, both in terms of water and nutrients and increase land productivity. The system is built by integrating various sensors to monitor soil moisture, air humidity, temperature, and light intensity in real-time. The collected data is used to automate watering schedules and provide recommendations on suitable plant species based on the soil nutrient content of nitrogen (N), phosphorus (P), and potassium (K). The use of the DTs algorithm helps in analyzing the data from the sensors and providing recommendations on the most suitable plants for the land. The smart watering system was tested in three zones, each simulating a different watering scenario, and successfully maintained optimal conditions for plant growth in each zone. The machine learning (ML) model with the DTs algorithm can predict the right type of ornamental plants based on the existing land conditions in three watering zones, with an accuracy of 89 %, 90 %, and 91 %, respectively. Furthermore, farmers can follow these recommendations to minimize damage and death of plants so that the level of productivity on the land becomes optimal.
Analysis of Digital Television Signal Reception in Combined Transmitter Antenna Systems Zahra, Hana Fatimah; Setyowati, Endah; Putri, Dewi Indriati Hadi
Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Vol. 8 No. 2 (2024)
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/eltikom.v8i2.1152

Abstract

The Indonesian broadcasting sector has undergone significant transformation with the implementation of the Analogue Switch Off (ASO) program. By July 2023, approximately 97.23% of television stations in Indonesia had migrated to digital broadcasting. However, this figure does not reflect an equitable distribution of normal broadcasts. Data from Transmission Station X indicate that 6.77% of broadcasts are blank, 12.24% experience freezing, and only 80.99% are classified as normal for channel X in the Jabodetabek region. These statistics suggest that the primary objective of the ASO program—providing an enhanced television viewing experience—has not yet been universally achieved. Therefore, efforts are required to ensure the equitable distribution of normal broadcasts. Transitioning from a lower transmitter antenna system to a combined transmitter antenna system is proposed as a potential solution. This study evaluates the Modulation Error Ratio (MER) values in the Jabodetabek region when channel X uses a combined transmitter antenna system. Measurements, conducted using the drive test method, reveal that 99.703% of MER data are above the threshold (normal broadcasts), 0.042% are at the threshold (freeze broadcasts), and 0.255% are below the threshold (blank broadcasts). These results demonstrate that adopting a combined transmitter antenna system can help address the uneven distribution of normal broadcasts in the Jabodetabek region.
Implementation of vertical axis wind turbine on renewable energy based self-sustaining public street lighting system Putri, Dewi Indriati Hadi; Dewanata, Muhamad Praja; Mahbubi, Arditya Baskara; Venica, Liptia; Wahid, Muhammad Rizalul
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Vol. 10 No. 1 (2025): February 2025
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/abdimas.v10i1.14736

Abstract

Kutamanah village, located in Sukasari Sub-district, Purwakarta District, faces limited electricity networks in strategic locations such as connecting roads between settlements, which impacts residents' safety and activities, especially at night. To overcome this problem, a program to utilize the potential of wind energy with a Vertical Axis Wind Turbine (VAWT) as a source of electrical energy for Public Street Lighting (PJU) was carried out. This activity was carried out through several stages, namely surveying the location of VAWT and PJU placement points, assembling VAWT and PJU, training and mentoring in implementation as appropriate technology that local residents can utilize. The system is designed to produce stable electrical power by utilizing the average wind speed that suits local conditions, which is 8.3 m/s. The implementation results show that this system is able to produce a peak voltage of 17.48 V and a current of 3.2 A so that the power generated reaches 54.4 W, the power is sufficient to support the operation of Public Street Lights with 50 W 12 V power specifications. This program contributes to improving community safety and mobility while supporting the use of sustainable renewable energy at the village level.
Optimasi Lingkungan Tenang dengan Sistem Monitoring Kebisingan Menggunakan Logika Fuzzy Sutia, Diar Dwi; Setyowati, Endah; Hadi Putri, Dewi Indriati
Faktor Exacta Vol 18, No 1 (2025)
Publisher : LPPM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/faktorexacta.v18i1.24869

Abstract

IoT-Based Smart Plug with Real-Time Energy Measurement Optimization and Adaptive Current Cutoff Hasanah, Muntaha; Putri, Dewi Indriati Hadi; Pratama, Hafiyyan Putra
Jurnal Elektronika dan Telekomunikasi Vol 25, No 1 (2025)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jet.673

Abstract

The use of electrical energy as a primary power source is increasing, with the residential sector being one of the largest consumers. Electrical energy expenditure often occurs accidentally, potentially leading to energy waste. This research develops an IoT-based electricity usage monitoring system to minimize electrical energy waste and help users improve efficiency and protection against voltage spikes using the R&D approach with a waterfall model.There are 3 layers of IoT architecture using the PZEM-004T sensor as a measuring device for electrical parameters and ESP8266 as a communication module where the results of the sensor readings will be displayed in real-time on the LCD and Blynk with a time difference of 1.6 seconds, in addition to the cost indicator, and the current flowing conditions are also displayed. Sensor readings are valid with values < ± 0.5% for current and voltage and < ± 1% for power readings. System monitoring tests were carried out on 10 electronic devices, and the results of the estimated electricity costs from the use of electrical energy of these electronic devices were obtained. The system is also equipped with a protection feature displayed with a warning indicator, where if the current exceeds 3.1A, the power will automatically be cut off within 15 seconds. This system provides a solution to the efficiency of electrical energy expenditure and provides more protection.
Analisis Bibliometrik Riset PID Speed Control pada Rentang 2013-2022 Zakaria, Diky; Ridwan, Taufik; Putri, Dewi Indriati Hadi; Adhi, Himmawan Sapta
Jurnal Otomasi Kontrol dan Instrumentasi Vol 14 No 2 (2022): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2022.14.2.2

Abstract

Penelitian ini bertujuan untuk memberikan gambaran terkait perkembangan riset PID speed control dalam satu dekade terakhir (2013-2022). Metode yang digunakan dalam artikel ini adalah analisis bibliometrik dengan menggunakan VOSviewer, Tableau Public dan Rstudio Biblioshiny. Database yang digunakan adalah Scopus. Dengan kata kunci pencarian “PI* speed control*”, diperoleh 258 dokumen publikasi yang terdiri dari 105 artikel jurnal dan 153 artikel prosiding yang menjadi dataset utama yang digunakan dalam artikel ini. Dari hasil analisis terlihat bahwa jumlah publikasi riset PID speed control berfluktuasi setiap tahunnya. Top 10 dokumen dengan jumlah sitasi terbanyak juga dibahas dalam artikel ini. Author paling produktif dan author paling berpengaruh dalam riset PID speed control terungkap yaitu Verma, A dan Choi, H.H. Topik yang sedang tren dan menjadi hotspot dalam riset PID speed control adalah particle swarm optimization, direct torque control, extended Kalman filter, current predictive control, sliding mode control, model predictive control dan disturbance observer. Akhirnya, artikel ini dapat memberikan informasi yang bermanfaat bagi para peneliti empiris untuk menentukan kebaruan dan research gap untuk penelitian selanjutnya dalam tema utama PID speed control.
OPTIMALISASI SISTEM PENGOPERASIAN GENERATOR SET MENGGUNAKAN METODE LAGRANGE Dulhadi, Dulhadi; Suyanta; Pramudita, Eufrasia Andranetta Gracelynne Eka; Afifudin, Shodiq; Putri, Dewi Indriati Hadi; Pratama, Hafiyyan Putra
KURVATEK Vol 10 No 2 (2025): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v10i2.5791

Abstract

Yogyakarta International Airport has high power demands, supplied by GI Wates with a subscribed capacity of 2 × 8.66 MVA and five generator sets (gensets) each with a capacity of 2.5 MVA. Due to fluctuating flight schedules, all gensets operate simultaneously, leading to inefficient fuel consumption. This study aims to optimize the genset operation pattern using the Lagrange method based on historical energy and fuel consumption trends. The results show that only genset 1 operates optimally (83.26%) under normal conditions. In the event of a genset failure, the load is redistributed to other gensets with lower output to maintain efficiency and reliability. This approach increases efficiency, reduces fuel consumption, and extends engine lifespan. The optimization supports more energy-efficient and reliable airport operations.
Co-Authors Adhi, Himmawan Sapta Afifudin, Shodiq Agung Satria Pamungkas Alimudinsyah Alrasyid Andranetta Gracelynne Eka Pramudita, Eufrasia Baha’udin, Muhammad Dany Syauqi Nazhif Dewanata, Muhamad Praja Diana Eka Putri Diky Zakaria Dulhadi, Dulhadi Elysa Nensy Irawan Endah Setyowati Endah Setyowati Fauzi Ahmad Muda Fauzie Salman Galura Muhammad Suranegara Haffiyan Putra Pratama Hafiziani Eka Putri, Hafiziani Eka Hasanah, Muntaha Ichwan Nul Ichsan Kautsar, Makna A’raaf Kholidatuzzahra, Zamzam Liptia Venica Mahbubi, Arditya Baskara Makna A’raaf Kautsar Maranatha, Jojor Renta Maulana, Farhan Mohammad Arsyad Muhammad Bilal Hamzah Muhammad Rizalul Wahid Nuur Wachid Abdul Majid Pramudita, Eufrasia Andranetta Gracelynne Eka Pratama, Hafiyyan Putra Putra Pratama, Hafiyyan Rabbani, Raihan Fakhri Rezka Bunaiya Prayudha Rojabi, Alpiyan Arif Salmadiina, Ashrida Sari, Nadia Tiara Antik Subagja, Banda Sudjani Sudjani Sutia, Diar Dwi Suyanta Suyanta Syifaul Fuada Taufik Ridwan Taufik Ridwan, Taufik Yohanes Adi Nugroho Zahra, Hana Fatimah