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All Journal PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat EPIC : Journal of Electrical Power, Instrumentation and Control TEKNOKOM : Jurnal Teknologi dan Rekayasa Sistem Komputer Journal of Innovative and Creativity
Laksono, Pranoto Budi
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Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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A STUDY OF THE INFLUENCE OF 650 nm LASER INTERFERENCE ON VISIBLE LASER LIGHT COMMUNICATION SYSTEM Laksono, Pranoto Budi
TEKNOKOM Vol. 4 No. 2 (2021): TEKNOKOM
Publisher : Department of Computer Engineering, Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.243 KB) | DOI: 10.31943/teknokom.v4i2.66

Abstract

Visible Laser Light Communication System (VLLC) is a wireless communication system, using laser as the medium. In the data transfer process, it is possible to have optical interference where 2 laser beams coincide with one point on the reflector. Research on the effect of laser source interference has been carried out by several researchers including mitigation actions to reduce its effects. This experiment uses 2 optical distance sensors that produce a laser with a wavelength of 650 nm with a power <=4.1 mW and with the direction of the laser beam both of them cross each other. To determine the effect of the interference of two laser beams when crossing the communication process in the visible light communication system, a reflector is used which can capture the two laser beams and the reflector can be shifted gradually so that a condition can be obtained where the two laser beams meet at one point. From the measurements made at the points after the laser beam crossing, the measurements at the point where the beam crossed, and the measurements at the points before the beam crossing, it was obtained data, at the exact point where the laser beam crossed the interference occurred, which is indicated by unstable output voltage of the two lasers, so that communication at the point of intersection is disrupted. However, if outside the point of contact both before and after the point of contact, interference and communication systems will not occur.
ANALYSIS OF THE INFLUENCE OF LOOSE TERMINATION LEVEL WITH INCREASING TERMINATION TEMPERATURE OF ELECTRICAL EQUIPMENT USING INFRARED THERMOGRAPHY Laksono, Pranoto Budi
TEKNOKOM Vol. 5 No. 1 (2022): TEKNOKOM
Publisher : Department of Computer Engineering, Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (675.308 KB) | DOI: 10.31943/teknokom.v5i1.68

Abstract

The use of electrical energy in the industrial is very important to drive production machines. Machine maintenance is carried out so that the lifetime of the machine becomes longer so that the production process continues. Temperature is one of the most common indicators of the structural health of equipment and components. This means that the main symptoms of damage to machines and equipment can be indicated by increasing the temperature of the equipment. One of the symptoms of an increase in equipment temperature is due to a loose cable termination. The use of infrared thermography to measure the temperature rise due to loose termination is one of the methods in electrical machine maintenance. Previous studies using infrared thermography to measure the temperature rise due to loose termination have been carried out by many researchers, but these studies did not show a correlation between the level of loose termination and the increase in temperature but only stated that the loose termination caused an increase in temperature. This study focuses on finding the relationship between the level of loose termination compared to standard torque and the increase in temperature at the termination point. This is very useful as a quick overview in determining the level of urgency in maintenance activity, that percentage of loose termination of a certain value below the standard will give an increase in temperature of a certain value as well. This study resulted, for the torque setting condition 67% below the standard (loose) the temperature increase at the terminal was 13.4% - 15.6%, for the torque setting condition 33% below the standard temperature increase at the terminal of 12.3% -13.8% which mean that the increase in temperature is directly proportional to the level of slack termination and is also directly proportional to the increase in the motor speed. If the termination torque level is lower and the motor speed is increased, the terminal temperature rise will be drastically rise.
Analisis Pengaruh Perubahan Arus Eksitasi Terhadap Tegangan Keluaran dan Daya Reaktif di PLTG Gilimanuk Tama, Agi; Yulanda, Erik Agustian; Sunardi, Sunardi; Wirakusuma, Komang Adi; Laksono, Pranoto Budi
EPIC Journal of Electrical Power Instrumentation and Control Vol 7 No 1 (2024): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v7i1.38427

Abstract

One of the most important components of a power plant is the generator, the change in a load will affect the voltage of the generator. The excitation system also has the task of monitoring and controlling the output voltage of the generator, therefore the generator must be able to generate electrical power in accordance with the amount of load given. The purpose is to compare the results of EDS measurements with the results of the calculations obtained, which will be analyzed with the aim of minimizing the occurrence of interference with excitation and reactive power in the generator. The analysis shows that the largest excitation current is found at 21:00 setting the excitation current by 868 A, the resulting voltage is 16.0 kV, while from the calculation results of 15.8 kV, from the comparison of measurements with calculations having 0.2 kV or 200 V. At 09:00 with an excitation current of 778 A, with an anchor current of 7.9 kA the reactive power produced is 25 MVAR, while in the calculation of the reactive power obtained at 24.6 MVAR, in the measurement with the calculation has a difference of 0.4 MVAR or 400 kVAR. At 22:00 it gets a reactive power of 15 MVAR so that it produces a power factor of 0.96, while in the cosphi calculation which is obtained at 0.95. It can be concluded that the greater the excitation current, the generator output voltage will be large, if the excitation current is large, the reactive power will also be large, if the reactive power is large, it will cause cosphi to decrease because the reactive power is inversely proportional to cosphi which will later cause power losses.
Pengembangan Sistem Absensi Digital Guru Menggunakan RFID di SMK Khazanah Kebajikan: Design and Implementation of an RFID-Based Digital Attendance System for Teachers at SMK Khazanah Kebajikan Istiyono, Yogi Priyo; Firasanto, Gaguk; Laksono, Pranoto Budi; Sunardi, Ariyawan
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 11 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i11.10428

Abstract

This community service program aims to enhance the efficiency and accuracy of teacher attendance management at SMK Khazanah Kebajikan by developing a web-based digital attendance system integrated with Radio Frequency Identification (RFID) technology. Previously, attendance was recorded manually using a logbook, which often resulted in data entry errors, delayed recap processes, and a lack of data transparency. The developed system utilizes PHP as the programming language, MySQL for the database, and hardware components such as RFID cards and readers. The implementation stages included needs analysis, system design, technology deployment, user training, and satisfaction evaluation. Results show that the system successfully records attendance automatically and in real time, simplifying attendance management and data recapitulation. User satisfaction surveys conducted with 20 teachers and staff revealed that 70% were delighted with the data accuracy, 65% with time efficiency, and 60% with ease of use. Additionally, the system's user interface and access speed received positive responses from most users. This system is expected to serve as a practical and replicable model for other schools facing similar challenges in managing teacher attendance and improving administrative transparency.
Kotak Penyimpanan Obat Sebagai Pengingat Jadwal Minum Obat Berbasis Iot Nasikhan, Muhammad Askhabi; Laksono, Pranoto Budi
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.4036

Abstract

Banyak orang sering lupa untuk minum obat sesuai jadwal, terutama lansia yang harus rutin mengonsumsi obat. Untuk mengatasi hal tersebut, dibuatlah sebuah sistem pengingat jadwal minum obat berbasis Internet of Things (IoT). Sistem ini dirancang menggunakan mikrokontroler ESP32 yang terhubung dengan sensor ultrasonik, servo motor, LCD I2C, serta modul konektivitas internet. Aplikasi Blynk digunakan untuk mengatur jadwal minum obat secara otomatis, sedangkan notifikasi pengingat dikirimkan melalui aplikasi Telegram. Ketika jadwal minum obat tiba, alarm akan aktif, dan sistem akan mendeteksi tangan pengguna melalui sensor. Jika tangan terdeteksi, servo akan membuka laci tempat obat, kemudian jumlah stok obat akan dikurangi secara otomatis dan ditampilkan pada layar LCD serta dikirim melalui Telegram. Hasil pengujian menunjukkan bahwa sistem dapat berjalan sesuai fungsi, yaitu mengingatkan pengguna, membuka laci saat tangan terdeteksi, dan mengurangi stok obat secara otomatis. Dengan sistem ini, pengguna dapat lebih teratur dalam mengonsumsi obat sesuai jadwal yang telah ditentukan.
Co-Authors Agi Tama Erik Agustian Yulanda firasanto, gaguk Nasikhan, Muhammad Askhabi Sunardi Sunardi Sunardi, Ariyawan Wirakusuma, Komang Adi Yogi Priyo Istiyono