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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Bulletin of Electrical Engineering and Informatics RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Jurnal Mantik Penusa Jurnal Mantik Jurnal Pengabdian kepada Masyarakat Nusantara International Journal of Research in Vocational Studies (IJRVOCAS) Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Komposit : Jurnal Pengabdian Dan Pemberdayaan Masyarakat TANJAK : Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Tenaga Listrik. SNTE
Muhammad Rusdi dan Afritha Amelia -
Politeknik Negeri Medan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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System of smart detection and control to electrical energy for saving of electrical energy consumption R. Roslina; Afritha Amelia; Heru Pranoto; Bakti Viyata Sundawa
Bulletin of Electrical Engineering and Informatics Vol 10, No 5: October 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v10i5.2826

Abstract

Public campus has a mandate to saving of electrical energy. Electrical energy consumption is often wasteful in building. There is tendency wasteful by user. Electronic equipment is often still turn on at idle time. Only a few students want to turn off the equipment and shut down the computer. Saving of electrical energy is not only at idle time but it can be improved into operational hour. It is not depending on idle time or operational hours, but depends on human presence. Implementation of electrical energy saving has to be supported by frugal behavior and equipment technology. In this study, we name system of smart detection and control to electrical energy (Sisdece). This system is consist of hardware and software. Hardware applies passive infrared sensor (PIR) sensor, wireless sensor network (WSN), microcontroller ESP32, access point, relay. Software use C++, hypertext preprocessor (PHP), hypertext markup language (HTML) and android studio. Result of measurement has been done in a month during November 2020. Average of energy saved is 12.51 kWh and total of electrical energy is 105.86 kWh. Comparison of energy saved to electrical energy is 11.81%. This is a significant reduction to electrical bill. The result is expected as benchmark of electrical energy management in Politeknik Negeri Medan (POLMED).
ANALISIS KINERJA VEHICLE TO INFRASTRUCTURE (V2I) UNTUK PENERAPANINTELLIGENT TRANSPORTATION SYSTEM(ITS) Bakti Viyata Sundawa; Afritha Amelia; Ida Susanti
Jurnal Mantik Penusa Vol. 3 No. 2,Des (2019): Manajemen Dan Informatika
Publisher : Lembaga Penelitian dan Pengabdian (LPPM) STMIK Pelita Nusantara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (493.449 KB)

Abstract

Number of vehicle user is increasing in Politeknik Negeri Medan now. The increase is not proportional with road and parking lots availability. As a result of these conditions,  campus becomes jammed and crowded. Solution to overcome of this condition is implementing of Intelligent Transportation System (ITS). ITS is a smart system for transportation that can give efficiency, comfort and safety for vehicle drivers. One of kind communication in ITS systems is communication between vehicles to infrastructure (V2I). The infrastructure is here as roads and parking lots. To reach the goals, analysis of V2I device performance is needed. V2I device consists of OBU (Onboard Unit), RSU (Roadside Unit) and communication among them using DSRC communication technology. According to power level measurement, height positions of RSU is 6 m and the longest distance RSU toward OBU is 400 m, obtained power is -90,38 dBm. This value is still in device sensitivity of -91,5 dBm. This research is an initiation study as a basis to build integrated ITS system.
Design of Roadsite Unit (RSU) Based On ESP32 for Vehicle to Infrastructure (V2I) Communication System: Design of Roadsite Unit (RSU) Based On ESP32 for Vehicle to Infrastructure (V2I) Communication System Bakti Viyata Sundawa; Afritha Amelia; Ida Susanti
Jurnal Mantik Vol. 3 No. 3 (2019): November: Manajemen, Teknologi Informatika dan Komunikasi (ManTIK)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.703 KB)

Abstract

Number of vehicle users are increasing in Polmed now. The increasing is very huge if we compare limited campus land. As result of these conditions, disturbing convenience and productivity. Solution to overcome of this condition is implementing of communication system on vehicle user to reach information about outdoor condition. This system is known as Vehicle to Infrastructure (V2I) communication system. The infrastructure is here as roads and parking lots. V2I devices consists of OBU (Onboard Unit), RSU (Roadside Unit) and communication among them. There are some disturbances on the outdoor wireless network such as propagation, interferences, and coverage area. That’s why in this study, how to design RSU device as Transceiver. RSU is made by Microcontroller ESP32. The stages of designing is consist of 3 stages, namely hardware and communication design, localhost-based information design and data measurement and monitoring. According to measurement, height positions of RSU is 3 m, the longest distance RSU toward OBU is 90 m, obtained power is -91 dBm. This value is still in device sensitivity of Microcontroller ESP32.
PURWARUPA PINTU OTOMATIS DENGAN PENGHITUNG JUMLAH ORANG BERBASIS MIKROKONTROLER ATMEGA 328P Yosephine Melani; Wahyu Sitompul; Udur Solavide Berutu; Afritha Amelia; Eunike Anggraeny Hutapea; Leonardus Rizky Manurung; Darwis A.R.; A. Aziz
SINERGI POLMED: Jurnal Ilmiah Teknik Mesin Vol. 3 No. 2 (2022): Edisi Agustus
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51510/sinergipolmed.v3i2.731

Abstract

Pintu adalah media yang dipakai sebagai akses untuk masuk dan keluar dari ruangan. Untuk memudahkan suatu pekerjaan kita membutuhkan suatu alat yang efektif dan efisien. Salah satu contohnya, pada masa pandemi ini pemerintah membuat kebijakan pembatasan jumlah orang pada suatu ruangan (tidak berkerumun atau jaga jarak) oleh karena itu pada tugas akhir ini penulis akan membuat rancangan prototipe pintu otomatis yang dapat difungsikan untuk menghitung jumlah orang masuk dan keluar. Agar dapat masuk dan keluar ruangan kita membutuhkan RFID card sebagai akses utama. Untuk mengolah data pada alat ini digunakan mikrokontroler Arduino ATMega 328P yang memanfaatkan sensor IR Obstacle yang ditempatkan di pintu masuk dan pintu keluar, dimana sensor ini berfungsi sebagai alat yang akan mendeteksi pengunjung yang masuk dan keluar kemudian hasil keluarannya mengirim intruksi kepada motor servo sebagai sistem pengerak pintu dan liquid-crystal display (LCD) akan menampilkan informasi jumlah visitor yang berada didalam ruangan. Pada pintu otomatis ini terdapat buzzer sebagai getaran suara untuk penanda jika kartu RFID yang ditag terbaca, terdaftar dan tidak terdaftar.
Vehicle detection system based on shape, color, and time-motion Afritha Amelia; Muhammad Zarlis; Suherman Suherman; Syahril Efendi
IAES International Journal of Artificial Intelligence (IJ-AI) Vol 12, No 3: September 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijai.v12.i3.pp1070-1082

Abstract

Vehicle detection application can assist in-vehicle surveillance functions and have implications for various fields. A vehicle can be identified through the license number attached to its license plate, the color and its shape. Vehicle detection can make use of multimedia sensors so that the design and detection performances can be optimal. Sensor performances are influenced by factors such as the number of multimedia sensors, sensor placement, sensor positioning, and schemes in case of system failure. This study makes use of multimedia sensors with cameras equipped by a phase detection auto focus (PDAF) technology which is like a pair of eyes to see an object. This study analyses 134 vehicles with number detection and various colors to see the effect on the detection and recognition processes. The cars were passed through the camera 10 times at a speed of 10-15 km/hour with various camera distances and positions. Various values and depths of the images were generated. The farther the distance the higher the disparity values. For maximum distance of 50 m, disparity is 6.20×106 and image depth is 16.88×109. Vehicle color influences detection with orange has the best accuracy, but the gray has the largest path error value.
The The rooftop solar power plant of electrical engineering department of medan state polytechnic with the internet of things Suprianto; Afritha Amelia; Cholish; Abdullah
Jurnal Mantik Vol. 6 No. 4 (2023): February: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/mantik.v6i4.3491

Abstract

The use of renewable energy for electricity generation in Indonesia and the world continues to increase because it is environmentally friendly and does not depend on fossil fuels. Research on rooftop solar power plants at the Medan State Polytechnic Building, Department of Electrical Engineering with internet of things aims to implement rooftop solar power plants and determine the performance of rooftop solar power plants in serving electrical loads by controlling electrical loads using the Internet of things. The contribution of this research provides an academic reference for the effective design of a rooftop solar power plant electrical system and savings on electricity bills, especially in the Electrical Engineering Department of the Medan State Polytechnic. The method used in this study is an experimental method, namely collecting data from measurement results, then conducting studies and analysis. The equipment used is NodeMCU ESP 8266, 3300wp photovoltaic module, PZEM 004T sensor, Triac BT 136, inverter, RTC DS 3231, contactor, electricity meter, temperature and light intensity meter, battery system, control panel and other supporting equipment. the internet of things as a load controller from a solar power plant can effectively contribute to saving electricity consumption because reluctance to turn off lights that are not used doesn't make sense because they can be controlled remotely or in close proximity practically using a cellphone via the blynk application. Full load is applied to the solar power plant by activating the four lighting load group buttons on the Blynk IoT app. The average battery voltage at loading is 51.6 volts from a normal battery voltage of 48 volts with the lowest battery voltage of 48.5 volts and the highest battery voltage of 54.31 volts. This rooftop solar power plant in Building C of the Medan State Polytechnic is capable of serving a load of 685 watts for a fixed load that is installed for 11 hours of loading.
ANALISIS PENGARUH PERUBAHAN BEBAN TERHADAP EFESIENSI GENERATOR KAPASITAS 12 MW DENGAN METODE TRIAL AND ERROR DI PT PERMATA HIJAU PALM OLEO BELAWAN Hutasuhut, Abdul Aziz; Lubis, Rafqi Nauli; Amelia, Afritha; Cholish, Cholish; Abdullah, Abdullah
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rele.v6i1.17198

Abstract

Generator adalah mesin listrik yang mengubah energi mekanik menjadi energi listrik. Generator merupakan bagian yang sangat penting  dalam sistem pembangkitan tenaga listrik. Pada PT Permata Hijau Palm Oleo Belawan generator yang dipakai adalah generator sinkron 3 fasa. Penggerak mula dari generator adalah turbin uap. Turbin uap dikopel seporos dengan generator. Turbin uap memberikan daya untuk memutar generator sehingga generator menghasilkan energi listrik, kapasitas daya listrik yang dapat dihasilkan generator tersebut 12 MW. Pada penelitian ini dilakukan sebuah perhitungan dan analisis pengaruh perubahan beban terhadap efisiensi generator di PT Permata Hijau Palm Oleo Belawan. Berdasarkan hasil dari data di lapangan diperoleh efisiensi generator 89,14% sampai dengan 96,26%, angka ini cukup baik mengingat rugi yang dihasilkan maksimal hanya sebesar 10,45%. 
Implementation of Environmental Parameter Control System in Green House to Increase Vegetable Production Amelia, Afritha; Sundawa, Bakti Viyata; Roslina; Rahman, Rahimah Abdul
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.308

Abstract

The use of green houses in plant cultivation is one way to approach optimal conditions for plant growth. Green houses are generally useful for protecting plants from extreme air temperatures. This requires further study of the smart features that will be built to support the concept of greenhouse agriculture. The development of automation technology is expected to help the monitoring system of parameters that affect the production of vegetable crops such as air temperature, and air humidity. These parameters will be monitored remotely using the Internet of Things (IoT) method. Based on the measurement results from the location at POLMED campus. For Medan Selayang the maximum temperature is 26.4oC and humidity is 68.8%. For the location in Medan Johor the maximum temperature is 25.4oC and humidity is 68.1%. For Medan Baru location, the maximum temperature is 25.1oC and humidity is 68.3%. For Medan Helvetia location, the maximum temperature was 24.7oC and humidity was 69%. Based on the test results, the temperature and humidity parameters can be monitored remotely by 106.4 km via the internet.
Digitalisasi Perangkat Pendukung Pembelajaran pada Pondok Pesantren Jabal Rahmah Kota Stabat Sumatera Utara Amelia, Afritha; Sundawa, Bakti Viyata; Nasution, Anriza Witi; Roslina, Roslina; Binti Abdul Rahman, Rahimah
Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol. 3 No. 1 (2025): Edisi Juni
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51510/komposit.v3i1.1959

Abstract

Pesantren adalah tempat dimana para santri belajar ilmu agama dan ilmu umum lainnya. Namun, pelajaran di luar pelajaran agama kurang diminati oleh para santri. Hal tersebut disebabkan salah satunya karena kurangnya fasilitas-fasilitas yang mendukung kegiatan sains. Padahal pendidikan sains ini sangat penting. Pendidikan sains bisa untuk pembinaan dan pembentukan nilai-nilai kepribadian santri berupa aspek kerjasama, saling menghargai, sikap sportifitas dan solidaritas, serta percaya diri. Untuk itu, pihak Pondok Pesantren Jabal Rahmah menyusun program unggulan yaitu tahfiz, bahasa, dan sains. Dengan fasilitas yang ada, pihak pesantren sudah mendukung kegiatan tahfiz dan bahasa dengan baik. Namun masih kurang dengan kegiatan sains. Diharapkan dengan kegiatan ini dapat membantu kegiatan sains yang ada di Pondok Pesantren  Jabal Rahmah agar pesantren bisa terlihat lebih modern dan terbuka terhadap perkembangan teknologi.
Development Of Conservation Education Media For The Padang Kemunting Turtle Management Centre (PKTMC) In Melaka, Malaysia Siti Rohani; Amelia, Afritha; Johny Custer; Muhammad Arman; Milla Marlina Assegaf; Anggita, Anggita; Akmal Indra; Nurul Fahmi; Faisal Ananda; Zaidi Bin Othman
Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol. 3 No. 1 (2025): Edisi Juni
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51510/komposit.v3i1.2515

Abstract

Kota Melaka, ibu kota Melaka, Malaysia, merupakan Situs Warisan Dunia UNESCO dan pusat sejarah yang dibentuk oleh pengaruh Portugis, Belanda, dan Inggris. Terkenal dengan landmark seperti A Famosa dan Gereja Santo Paulus.  Kota ini menampilkan warisan budaya yang kaya dan kuliner unik yang memadukan cita rasa Melayu, Cina, India, dan Portugis. Melaka berlokasi strategis di sepanjang Selat Malaka. Kota Melaka berkembang pesat di bidang pariwisata, perdagangan, dan jasa dengan infrastruktur modern. Kota ini juga memprioritaskan pelestarian lingkungan seperti pendirian Pusat Konservasi dan Informasi Penyu (PKPP), yang berfokus pada perlindungan penyu sisik dan penyu hijau melalui pelestarian habitat, edukasi, dan penelitian. Meskipun ada tantangan seperti perburuan liar dan perubahan iklim, upaya kolaboratif antara pemerintah, LSM, dan masyarakat memastikan perlindungan keanekaragaman hayati laut. Melaka menyeimbangkan antara pelestarian warisan budaya, pertumbuhan ekonomi, dan kelestarian lingkungan.
Co-Authors A. Aziz Abdul Azis Abdul Aziz Hutasuhut, Abdul Aziz Abdullah Akmal Indra Anggita, Anggita Anriza Witi Nasution Bakti Viyata Sundawa Binti Abdul Rahman, Rahimah Bt Mohamad Zain, Jasni Cholish Cholish Custer, Johny Dalimunthe, Yulia Agustina Darwis AR Efendi, Syahril Eka Septifani Irawan Eunike Anggraeny Hutapea Evanda Mulya Anggara Fadhillah Fauzan Akbar Faisal Ananda Hasibuan, M. Sidik HERU PRANOTO Ida Susanti Leonardus Rizky Manurung Lubis, Rafqi Nauli M.Syahputra Milla Marlina Assegaf Mohamad Zain, Jasni Bt Muhammad Arman Muhammad Yudha Pratama Muhammad Zarlis Nurul Fahmi Pebby Aswarni Pribadi, Banu Afwan Putra, Purwa Hasan Rahman, Rahimah Abdul Rani Silitonga Roslina Roslina Roslina, Roslina Roslina, Roslina Sherina Azzahra Siti Rohani Suherman Suherman Suprianto Tarihoran, Bima Perdana Udur Solavide Berutu Wahyu Sitompul Yosephine Melani Yusoff, Marina Zaidi Bin Othman