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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) JTERA (Jurnal Teknologi Rekayasa) Martabe : Jurnal Pengabdian Kepada Masyarakat ABDIMAS SILIWANGI Journal of Information Technology and Computer Engineering Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal GERVASI: Jurnal Pengabdian kepada Masyarakat Infotekmesin Journal of Applied Electrical Engineering Journal of Energy and Electrical Engineering (JEEE) REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat E-JOINT (Electronica and Electrical Journal Of Innovation Technology) JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) EPSILON: Journal of Electrical Engineering and Information Technology Electrician : Jurnal Rekayasa dan Teknologi Elektro International Journal of Advanced Science Computing and Engineering Jurnal Pengabdian Mitra Masyarakat Jurnal Teknokes
Andri Ulus Rahayu
Universitas Siliwangi
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Social Sciences Other

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SPEED WARNING SYSTEM PADA TAKSI ONLINE BERBASIS IOT MENGGUNAKAN OBD II Rahayu, Andri Ulus; Nursuwars, Firmansyah Maulana Sugiartana; Risnandar, Muhammad Aris; Taufiqurrahman, Imam; Faridah, Linda
Journal of Energy and Electrical Engineering Vol 3, No 2: 30 April 2022
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v3i2.4754

Abstract

One of the problems that occur in the world of online transportation is that there are still many drivers who drive their vehicles at high speed. This, of course, can endanger the passengers and the driver themselves. Research shows that the higher the speed of the vehicle, the higher the risk of death caused. To determine the speed of a vehicle, a tool can be used, namely OBD II. The purpose of this research is to create a system that regulates the speed of online taxi drivers by giving notifications to the driver whenever the driver makes a mistake, namely driving a car at a high speed. The allowed speed limit is a maximum of 80 km/hour for toll roads and a maximum of 60 km/hour for ordinary roads. To determine the type of road, it is necessary to coordinate data from the driver's location. By utilizing IoT, speed, and location data can be sent to a server which can later be processed into information. Telegram's bot feature will be used to send warning messages when the driver makes a mistake. As a result, the system can run according to plan where speed and location data are successfully processed and the system is successful in giving warnings to online taxi drivers who have made mistakes.Keywords: online taxi, speed, IoT, OBD II, Telegram Salah satu masalah yang terjadi pada dunia transportasi online adalah masih banyaknya pengemudi-pengemudi yang mengendarai kendaraannya dengan kecepatan tinggi. Hal ini tentunya dapat membahayakan penumpang maupun pengemudi itu sendiri. Berdasarkan riset menunjukan bahwa semakin tinggi kecepatan kendaraan maka semakin tinggi pula resiko kematian yang ditimbulkan. Untuk mengetahui tingat kecepatan suatu kendaraan dapat diguanakan sebuah alat yaitu OBD II. Tujuan dari riset ini adalah untuk membuat sebuah sistem yang mengatur kecepatan pengemudi taksi online dengan cara memberikan notifikasi pada pengemudi setiap pengemudi tersebut melakukan kesalahan, yaitu mengendarai mobil dengan kecepatan tinggi. Batas kecepatan yang diperbolehkan adalah maksimal 80 km/jam untuk jalan tol dan maksimal 60 km/jam untuk jalan biasa. Untuk menentukan jenis jalan maka diperlukan data koordinat dari lokasi pengemudi. Dengan memanfaatkan IoT maka data-data kecepatan dan lokasi dapat dikirimkan ke sebuah server yang nantinya dapat diolah menjadi sebuah informasi. Fitur bot telegram akan digunakan untuk mengirimkan pesan peringatan ketika pengemudi melakukan kesalahan. Hasilnya sistem dapat berjalan sesuai rencana dimana data kecepatan dan dan lokasi berhasil diolah dan sistem berhasil memberikan peringatan pada pengemudi taksi online yang melakukan kesalahan.Kata Kunci: online taxi, speed, IoT, OBD II, Telegram
MULTILEVEL INVERTER SIMULATION 9 LEVEL H-BRIDGE TOPOLOGY WITH HYSTERESIS CONTROL Wisnu, Iqbal Fawzi; Andang, Asep; Rahayu, Andri Ulus
Journal of Energy and Electrical Engineering Vol 5, No 1: Oktober 2023
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v5i1.8254

Abstract

Inverter is an electronic circuit to convert DC power source into AC. In general, the inverter will produce a relatively large Total Harmonic Distortion (THD) value so that it will result in damage to electronic devices, to minimize this, a multilevel inverter is made which can reduce the THD value by increasing the level using the switching method. In this research a 9-level cascaded H-Bridge topology cascaded H-Bridge topology simulation is designed to identify the output of this multilevel inverter. The addition of R, RL, RC, RLC, and induction motor loads affects the THD value. To calculate THD, we use Fast Fourier Transfer (FFT) on MATLAB Simulink. The no-load test results produced a THDv of 13.90%. In the R load test the resulting THDv and THDi values were 13.91%. In the RL load test it produces a THDv value of 13.91%, and a THDi of 0.2% to 0.12%. In the RC load test it produces a THDv value of 13.91% to 13.85%, and a THDi of 15.55% to 70.53%. The RLC load test produced a THDv value of 13.91% and the lowest THDi was 0.06%. In the load test, the induction motor produces a THDv value of 13.91% to 13.92%, and a THDi of 0.88% to 0.25%.
Upaya Kontinuitas Budidaya Ikan Air Tawar Di Musim Kemarau Dengan Eco-Technology Pada Instalasi Sumur Bertenaga Surya Mutiarasari, Nurul Risti; Rahayu, Andri Ulus; Taufiqurrahman, Imam
Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Vol 5, No 2 (2023)
Publisher : Vokasi Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jpmit.v5i2.45203

Abstract

Kelompok Tani Karya Laksana VI merupakan kelompok yang bergerak dalam budidaya perikanan di Dusun Citengah, Desa Sukamulya, Kecamatan Cihaurbeuti, Ciamis. Saat ini air yang digunakan untuk pengairan kolam berasal dari sungai kecil. Pada saat musim hujan ketersediaan akan sumber air berlimpah, sedangkan saat musim kemarau, ketersediaan air menjadi sangat terbatas karena adanya penurunan volume air dan menyebabkan kolam mengering. Hal ini menyebabkan para petani menghentikan kegiatan budidaya dimusim kemarau yang berdampak pada berkurangnya pendapatan dan keberlanjutan budidaya ikan. Disamping hal tersebut, Kelompok Tani Karya Laksana VI masih mengalami kesulitan dalam pengelolaan dan pemasaran dalam rangka pengembangan usaha. Tujuan dari kegiatan pengabdian ini adalah melakukan edukasi manajemen pengelolaan usahatani yang dijalankan serta penerapan teknologi penyediaan air yang ramah lingkungan (eco-tech) dengan pemanfaatan sinar matahari sebagai sumber energi. Kegiatan pengabdian yang dilaksanakan di Dusun Citengah, Kecamatan Cihaurbeuti, Ciamis adalah melakukan penerangan mengenai teknologi ramah lingkungan dalam penyediaan sumber air yang dapat menopang produksi ikan air tawar sepanjang tahun. Selanjutnya diberikan pelatihan pengelolaan dan pemasaran usahatani yang dijalankan. Solusi tersebut ditawarkan mengingat pentingnya sumber air dalam kegiatan produksi budidaya ikan air tawar, yang pada akhirnya dapat meningkatkan pengetahun, keterampilan, dan kemandirian petani. Pada umumnya peserta pelatihan sangat antusias terhadap penyediaan sumber air dan pelatihan yang dilakukan. Hal tersebut terlihat pada banyaknya pertanyaan dalam proses diskusi yang dilakukan. Masih diperlukan pendampingan dalam pengelolaan sumber air serta pengelolaan usaha budidaya ikan tawar secara berkelanjutan.
SISTEM MONITORING KARBON MONOKSIDA DENGAN METODE WIRELESS SENSOR NETWORK (WSN) BERBASIS INTERNET OF THINGS (IoT) nursuwars, firmansyah maulana sugiartana; Andri Ulus Rahayu; Ifkar Ushar; Stheven Erlangga Sanjaya
E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Vol. 4 No. 1 (2023): Vol. 4 No. 1 (2023): E-JOINT, Juni 2023
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/e-joint.v4i1.1904

Abstract

Karbon monoksida merupakan salah satu jenis polutan udara yang berada di lingkungan sekitar kita. Jika karbon monoksida masuk ke dalam tubuh manusia, maka akan mengikat sel darah merah 200 hingga 250 kali lebih kuat dibandingkan dengan oksigen, sehingga menggantikan peran oksigen dan membentuk senyawa kimia Karboksi Hemoglobin (COHb). Sebagai upaya memperkecil resiko dari keracunan karbon monoksida maka dibutuhkan sistem yang dapat memonitor kadar karbon monoksida sedini dan seakurat mungkin. Semakin dini dan akurat monitoring yang dilakukan, maka dapat memperkecil resiko keracunan karbon monoksida. Maka dalam penelitian ini dibuat alat yang dapat memonitor kadar karbon monoksida dengan teknologi Internet of Things (IoT) yang di padukan dengan sistem Wireless Sensor Network (WSN). Berdasarkan hasil pengujian yang telah dilakukan di lingkungan Fakultas Ilmu Kesehatan, Gor Mashud dan Fakultas Teknik Gedung Baru Universitas Siliwangi di dapatkan kesimpulan rata-rata pengiriman data untuk skema pengujian pertama adalah sekitar 10,1 detik dan untuk skema pengujian kedua adalah sekitar 5,31 detik. Dengan jarak maksimal komunikasi dari Node 2 ke Node 1 adalah 34,5 Meter dan jarak maksimal komunikasi dari Node 1 ke Node Sink adalah 37,3 Meter. Dimana semakin kecil jangkauan area komunikasi dari WSN maka akan semakin cepat juga rata-rata pengiriman data yang dilakukan.
Penerapan Lemari Sterilisasi Teknologi Ozon Dan Uvc Untuk Gugus Tugas Covid Di Puskesmas Salawu Kabupaten Tasikmalaya Priatna, Edvin; Hiron, Nurul; Naim, Nidar Nadrotan; Rahman, Abd; Annashr, Nissa Noor; Rahayu, Andri Ulus
Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Vol 7, No 3 (2024): Juli 2024
Publisher : STMIK Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurdimas.v7i3.3265

Abstract

Officers' readiness to prevent the spread of COVID-19 through document exchange is a problem in the community. This article discusses how the social engineering of COVID-19 cluster officers and Salawu Health Center officers in Tasikmalaya Regency in receiving and implementing document sterilization cabinet technology to suppress the transmission of the COVID-19 virus through document exchange. The use of ozone and UVC as sterilization media is beneficial but can negatively impact humans in the long term. Therefore education is needed for partners to avoid these negative impacts. This service activity method is partner situation analysis, pre-test, partner education, post-test, and conclusion. The result of this service is that partners have received document sterilization cabinets and UVC as room sterilizers. The results of measuring partner knowledge before and after participating in webinar activities using pre-test and post-test instruments, showed an increase in knowledge, skills and awareness by partners regarding the use of UVC and Ozone on average 83% from the initial condition of not understanding to understanding and skill.    Keywords: covid-19; ozone; uvc; health community center  Abstrak: Kesiapan petugas dalam mencegah penyebaran COVID-19 melalui pertukaran dokumen menjadi masalah di masyarakat. Artikel ini membahas tentang bagaimana rekayasa sosial pada petugas Gugus COVID-19  dan petugas Puskesmas Salawu di Kabupaten Tasikmalaya dalam penerima dan implementasi teknologi lemari sterilisasi dokumen guna menekan penularan virus COVID-19 melalui pertukaran dokumen. Penggunaan ozon dan UVC sebagai media sterilisasi sangat efektif, tetapi dapat menghasilkan dampak negatif dalam jangka Panjang, oleh karena itu diperlukan edukasi kepada mitra agar terhindar dari dampak negatif tersebut. Metode pada kegiatan pengabdian ini adalah analisis situasi mitra, Pre-test, edukasi mitra, post-test dan kesimpulan. Hasil dari pelaksanaan pengabdian ini adalah mitra telah menerima lemari sterilisasi dokumen dan UVC sebagai sterilisasi ruangan. Hasil pengukuran terhadap pengetahuan mitra sebelum dan setelah mengikuti kegiatan webinar menggunakan instrumen pre-test dan post-test, menunjukkan terjadinya peningkatan pengetahuan, keterampilan dan kewaspadaan oleh mitra terkait penggunaan UVC dan Ozon rata-rata 83% dari kondisi awal tidak memahami menjadi paham dan terampil.Kata kunci: covid-19; ozone; uvc; puskesmas
Air Quality Monitoring in Briquette Industrial Environments through Air Particle Detection Systems hiron, Nurul; Faridah, Linda; Rahayu, Andri Ulus
REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Vol 5, No 3 (2024): REKA ELKOMIKA
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/rekaelkomika.v5i3.251-261

Abstract

Air is the most basic need for the survival of living things, especially humans. Briquetting plants are one of the industries that produce airborne particles harmful to human health and the surrounding environment. These particles can cause respiratory problems and serious illnesses if not properly detected and controlled. Therefore, an air particle detection system is indispensable for monitoring air quality in the factory environment. PT Arkelindo Bara Sejahtera, as a company engaged in the manufacture of briquettes, has a negative impact on the environment, especially air pollution due to the carbonization process that produces smoke and dust. The implementation of this community service activity aims to improve air quality in the briquette industry environment through the implementation of an air particle detection system. This activity includes socialization about the dangers of air particles, training on the use of detection devices, and filling out questionnaires to evaluate participants' understanding. The results of this activity show that the air quality in the factory environment is still poor with high Air Quality Index (AQI) values, mainly caused by the carbonization process. However, this activity succeeded in raising the awareness of the factory staff on the importance of air quality monitoring and providing concrete recommendations to reduce particle emissions, including the use of cleaner fuels and improving the efficiency of the carbonization process. Thus, it is hoped that this activity can help prevent more severe air pollution in the future and protect the health of the surrounding community.
Desain Kendali Kecepatan Motor DC Pada Mobile Robot Mecanum Wheels Imam Taufiqurrahman; Andri ulus Rahayu; Moch Yuagga Permana; Ramdani R
E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Vol. 5 No. 2 (2024): E-JOINT, Desember 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/e-joint.v5i2.2571

Abstract

In an era of rapid technological development, the challenges facing the industrial sector in terms of automation continue to increase. Robotics is now present as one of the solutions and continues to be the focus of various studies. Mobile robots, with different numbers and types of wheels, are one of the types that are being widely researched to meet automation needs. One innovation that is attracting attention is the use of mecanum wheels, which provide omnidirectional motion capabilities that are far superior to conventional wheels. This research develops a control system for the DC motor used in the mecanum wheel mobile robot. This control design aims to provide precision in controlling the speed and direction of the robot's motion. By applying the PID (Proportional-Integral-Derivative) control technique, the system is able to optimally regulate the speed of each DC motor on all four wheels, allowing the robot to move smoothly in all directions. This research produces a PID controlled DC motor with a rise time of less than 15 seconds and PID parameters of Kp = 10, Ki = 0.5 and Kd = 2. The generated parameters can be used to control the speed of DC motors on mobile robots with mecanum wheels.
Caribi Mobile Application Based on Radio Frequency Identification (RFID) for Internet of Things (IoT) Faridah, Linda; Rahayu, Andri Ulus; Shopa, Rahmi Nur; Sulastri, Heni; Hiron, Nurul; Nursuwars, Firmansyah M S
International Journal of Advanced Science Computing and Engineering Vol. 4 No. 3 (2022)
Publisher : SOTVI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (554.597 KB) | DOI: 10.62527/ijasce.4.3.98

Abstract

Nowadays, the e-commerce industry in Indonesia is growing substantially and expanding annually. This is one of the revolutions that has affected various aspects of life, including animal husbandry. In Indonesia, buying and selling livestock has become routine; however, it is still conducted conventionally. Therefore, a system is required to facilitate online purchasing and selling transactions; thus, farmers can expand their enterprises. This study aimed to develop a mobile application for the online purchase and sale of livestock. The Caribi Mobile Application is built with a system that can provide consumers with accurate information by recording the tracks of each animal that will be sold. Each animal’s age, weight, and recent pictures are included. Tag RFID-based Internet of Things (IoT) system is used in searching for mobile applications. The RFID Tag System is used to carry out two functions at once, namely assistance and security. This application is designed to integrate livestock data from the internet and save it in a database. This study’s findings demonstrate that the system can read the data related to each farm animal. Additionally, the system has created data on the weights of each animal, which anyone with access to the Caribi Mobile Application can view.
Smart Irrigation System with Fuzzy Logic on Sunflower Plants Based on Internet of Things Ulus Rahayu, Andri; Taufiqurrahman, Imam; Mutiarasari, Nurul Risti
Journal of Energy and Electrical Engineering Vol 6, No 1: Oktober 2024
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i1.12850

Abstract

Agriculture is a vital sector in the global economy, and to meet the growing demand, efficient management of water resources is a must. Amidst increasing climate instability, Internet of Things (IoT) technology has emerged as a potential solution. This research aims to develop an IoT-based smart irrigation system with fuzzy logic for sunflower plants. The system is designed to monitor and regulate water use automatically, increase productivity, and reduce waste of natural resources. This research uses an experimental model with the Mamdani method in fuzzy inference. It involves hardware (sensors), software (fuzzy logic), and IoT system. The results of this system implementation show that the system successfully performs watering management according to its environmental conditions.
Kendali Kecepatan Motor BLDC dengan metode Mesin Sinkron dan Variasi PWM berbasis IoT Asep Andang; Rahayu, Andri Ulus; Imam Taufiqurrahman; Ervan Paryono
Infotekmesin Vol 16 No 1 (2025): Infotekmesin: Januari 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i1.2417

Abstract

This study investigates speed control of brushless DC (BLDC) motors using a synchronous machine method and Pulse Width Modulation (PWM) variations based on IoT. A three-phase inverter controlled by an STM32 microcontroller was used to drive the BLDC motor. Speed control was implemented by adjusting the inverter frequency based on the synchronous machine principle, while PWM duty cycle was varied to regulate the input voltage. An IoT-based system using a smartphone app allowed remote speed settings. Experimental results showed that the synchronous machine method could effectively control BLDC motor speed, with frequency changes linearly affecting inverter output voltage. Varying PWM duty cycles impacted the voltage required to achieve target speeds, with higher duty cycles requiring lower voltages. The control system achieved speed accuracies within 3% of setpoints across different duty cycles. This approach demonstrates the feasibility of applying synchronous machine principles for BLDC motor control with IoT integration.
Co-Authors Abd Rahman Abdul Chobir Adzikri, Fikri Agustini Rodiah Machdi Annashr, Nissa Noor Arie Gustaman, Rian Aris Risnandar, Muhammad Asep andang Asep Andang, Asep Azis Muhajar Chobir, Abdul Daniel Happy Putra Edvin Priatna Enov Tikupasang Ervan Paryono Faisal Candrasyah Hasibuan Faridah, Linda firmansyah maualana sugiartana nursuwars Firmansyah MSN Fittur Farabi Sanaz Hamdani, Yuda Muhammad Ifkar Ushar Ifkar Usrah Imam Taufiqurrahman Imam Taufiqurrahman Imam Taufiqurrahman Kiki Korneliani Kiki Korneliani Moch Yuagga Permana Mochammad Fadillah Putra Muhammad Aris Risnandar Muhammad Aris Risnandar Muhammad Faiz Dzaki Chanafi Mutiarasari, Nurul Risti Nadya Aprilia Nadya Aprilia Naim, Nidar Nadrotan Nundang Busaeri Nundang Busaeri Nurdiansyah, Rian Nursuwars, Firmansyah Maulana Nurul Hiron Nurul Hiron, Nurul Paryono, Ervan Permana, Prama Ramdani R Rian Nurdiansyah Risnandar, M Aris Risnandar, Muhammad Aris Shopa, Rahmi Nur Stheven Erlangga Sanjaya Sulastri, Heni Sutisna Tejaleksono, Gunawan Usrah, Ifkar Visi Tinta Manik Wisnu, Iqbal Fawzi