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All Journal MAESTRO Kresna: Jurnal Riset dan Pengabdian Masyarakat OKTAL : Jurnal Ilmu Komputer dan Sains AMMA : Jurnal Pengabdian Masyarakat
Suwasti Broto
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Humanities Astronomy Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Social Sciences

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PREDIKSI IRADIASI MATAHARI MENGGUNAKAN ALGORITMA ARTIFICIAL NEURAL NETWORK Fatahillah Al Mahfudz; Suwasti Broto; Akhmad Musafa
MAESTRO Vol 6 No No 2 (2023): Vol.6 No. 2. Oktober 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Prediksi iradiasi matahari merupakan hal yang krusial dalam merancang dan mengembangkan sistem energi terbarukan dengan energi matahari. Dalam tugas akhir ini dilakukan prediksi iradiasi matahari dengan meggunakan algoritma Artificial Neural Network (ANN) dalam bentuk model sekuensial. Model Sequential ANN dilatih dengan dataset yang mencakup berbagai faktor cuaca seperti suhu, kelembaban, tekanan udara, serta data radiasi matahari historis. Proses pelatihan dimulai dengan membagi dataset menjadi data latih dan data uji dengan tiga variasi komposisi data latih dan uji yang berbeda (80%:20%), (75%:25%), dan (66%:34%). Model ANN yang dibuat terdiri dari empat lapisan, satu lapisan masukan, dua lapisan tersembunyi dengan jumlah neuron (32, 64), dan satu lapisan keluaran. Melalui iterasi berulang, model diperbarui menggunakan algoritma optimisasi Adaptive Moment Estimation (ADAM) untuk mengoptimalkan parameter. Model ANN diuji dengan tiga variabel masukan iradiasi matahari yang berbeda (Global Horizontal Irradiance, Diffuse Horizontal Irradiance, dan Direct Normal Irradiance). Hasil pengujian menunjukkan bahwa model Sequential ANN mampu menghasilkan prediksi iradiasi matahari dengan tingkat akurasi yang signifikan. Hasil prediksi menunjukkan Mean Absolute Error (MAE=0,0029) , Mean Absolute Percentage Error (MAPE=2,3289%), Root Mean Square Error (RMSE=0,0038), dan Mean Square Error (MSE=0,0001) pada komposisi data latih dan uji (80%:20%).
Rancang Bangun Pembangkit Listrik Picohidro Curah Hujan Pijar Nurofiq Pratama; Indra Riyanto; Suwasti Broto
MAESTRO Vol 6 No No 2 (2023): Vol.6 No. 2. Oktober 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Indonesia has a fairly high rainfall of (2000-3000 mm per year) This has the potential to be used as an alternative energy source for power generation. In this final project, a picohydro power generation system was designed with energy sources derived from rainfall. The designed system consists of gutters with a height of 1 m, 1/2" pipe, YF-S201 water flow, Picohidro Generator, INA219 sensor, Arduino Mega 2560, RTC DS3231, LCD, I2C, Micro SD Card, and 5 watt dc lamp load. The way the system works is that when it rains, the water will be collected by gutters which then the water will flow through pipes connected to the water flow and generator. Water that passes through the water flow and generator will rotate the turbine so that it produces data on water discharge and electrical power. The INA219 sensor will read the current and voltage as well as the power generated from the generator with a 5 watt dc lamp load. Water discharge and power data will then be displayed on the LCD and stored on the SD Card. The designed system is tested by means of three test scenarios namely testing 1 single generator, 2 series connection generators, and 2 parallel connection generators. From the results of system testing, the highest data was obtained in testing 1 generator that produced 25.64 mW of power with a potential energy of 1.5384 Joules.
Intergrasi Sistem Minimum IoT Yang Handal Untuk Pertanian Berbasiskan Mikrokontroler dan Protokol Komunikasi Tatang Wirawan Wisjhnuadji; Arsanto Narendro; Yani Prabowo; Jan Everhard; Suwasti Broto
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 3 No 09 (2024): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Traditional agriculture refers to farming that utilizes natural and local techniques, relying little on modern technology or chemicals. However, traditional agricultural systems face many challenges, including low productivity; traditional farming may not be as productive as modern methods. Additionally, dependence on weather conditions poses a significant barrier to production. To improve the quality and productivity of traditional agriculture, methodologies such as developing smart farming systems can be implemented. Smart farming applies technology in agriculture to enhance efficiency, productivity, and sustainability through sensors and IoT devices to manage and monitor agricultural activities more effectively. The smart farming system to be developed is based on the SCADA concept, where control of devices such as temperature sensors, soil moisture, light, and rainfall sensors, as well as actuators, is managed via the ModBus protocol based on the RS-485 RTU module. For controllers connected to the internet server, the ESP32 module will be used. Users can access the system using smartphones or laptops equipped with a wireless modem to establish remote connections via the internet. Thus, the application of this technology can significantly increase agricultural productivity and improve the efficiency of managing fields and crops. Users do not need to be physically present on-site, as the system can be controlled and monitored remotely from a distance.
Survei Terhadap Pengukuran Kesamaan Teks: Survey of Text Similarity Measurement Musodo, Krisna Adiyarta; Suwasti Broto
KRESNA: Jurnal Riset dan Pengabdian Masyarakat Vol 1 No 1 (2021): Jurnal KRESNA November 2021
Publisher : DRPM Universitas Budi Luhur

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (353.621 KB) | DOI: 10.36080/jk.v1i1.3

Abstract

Measuring the similarity between words, sentences, paragraphs and documents is an important research and discussion space in various discussions such as information search, document grouping, word-sense disambiguation, automatic essay scoring, short answer assessment, machine translation and text summarization. This article discus a survey which discussing methods for measuring the similarity of text or strings. This article is structred into three approaches; String-based, corpus-based, and knowledge-based similarity measures and presents the combinations of these similarities measures.
Perbandingan Efisiensi Pengendali Baterai Panel Surya PWM vs MPPT Arsanto Narendro; Tatang Wirawan Wisnuadji; Suwasti Broto
OKTAL : Jurnal Ilmu Komputer dan Sains Vol 3 No 12 (2024): OKTAL : Jurnal Ilmu Komputer Dan Sains
Publisher : CV. Multi Kreasi Media

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Abstract

Charging controllers are utilized in various electronic systems to manage and safeguard the charging and discharging rates of batteries. For off-grid photovoltaic (PV) systems, two main technologies are employed: Pulse Width Modulation (PWM) and Maximum Power Point Tracking (MPPT). This study compares two charging controllers in PV systems with the same technical specifications to evaluate their performance under similar environmental conditions. Both controllers are built on original firmware and hardware designs, incorporating PWM and MPPT technologies. Each PV system includes a charging controller, a 30 W solar panel, and a 12V 18Ah battery. During experimental trials, voltage and current measurements were taken at both the panel and battery during charging and discharging. The findings reveal that the MPPT controller achieves a higher average efficiency than the PWM controller, indicating that the technology used in the charging controller significantly affects efficiency, even in less than ideal solar radiation and temperature conditions. While the PWM controller is a more budget-friendly option with satisfactory efficiency, the MPPT controller outperforms it in efficiency.
PENYUSUNAN RAB RENOVASI MASJID AL-HASANAH DI KEL. KREO SELATAN, KEC. LARANGAN KOTA TANGERANG Inggit Musdinar Sayekti Sihing Yang Mawantu; Kurniawan, Dody; Suwasti Broto
AMMA : Jurnal Pengabdian Masyarakat Vol. 1 No. 06 (2022): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

The mosque is a place of worship for Muslims. The Ministry of Religion issued provisions regarding different designations for mosques. One of the prayer rooms in Kelurahan Kreo Selatan is the Al-Hasanah Mosque which is located at Gang Sawo No. 27, RT.01/RW.13, Kelurahan Kreo Selatan, Kecqmqtqn Larangan, Kota Tangerang, Banten. Al-Hasanah Mosque congregation is growing rapidly and DKM intends to expand the mosque building and turn it into a mosque. The current condition of the Al-Hasanah prayer room consists of a 1-story building. And the early history of this prayer room was a house belonging to the congregation which was then donated to become a prayer room. The current condition of the Al-Hasanah Mosque needs to be developed because the congregation of the Al-Hasanah Mosque is increasing and is becoming increasingly unaccommodated. Based on these conditions, Budi Luhur University Architecture Study Program organized Community Service activities to jointly prepare the Al-Hasanah Mosque Renovation Budget Plan. The method of implementing the activities uses the Architectural Design Process. Where the renovation design of the Al-Hasanah Mosque is adjusted to the input from the mosque manager, while the working drawings of the mosque renovation design are adjusted to architectural standards. Then proceed with the calculation of costs (RAB) based on the preliminary drawings that have been mutually agreed upon
Co-Authors Achmad Rizky Arsanto Narendro DODY KURNIAWAN Faisal Adi Putra Tomyka Ode Fatahillah Al Mahfudz Fath, Nifty Fikri Hidayatulloh Hendryono Saputra Hilman Mustofa Indra Riyanto Inggit Musdinar Sayekti Sihing Yang Mawantu Jalu Nuralim Laksana, Eka Purwa Maulana Ifdil Hanafi Musafa, Akhmad Musodo, Krisna Adiyarta Nazori AZ Peby Wahyu Purnawan Pijar Nurofiq Pratama Ricky Palendra Riefky Rakadiansyah Ruwirohi, Jan Everhard Safwan Firas Sujono Sujono Tatang Wirawan Wisjhnuadji Tatang Wirawan Wisnuadji Yani Prabowo