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All Journal Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika TRANSISTOR Elektro dan Informatika Journal of Electrical Technology UMY JURNAL KAJIAN TEKNIK ELEKTRO JUTEI (Jurnal Terapan Teknologi Informasi) ABDIMAS SILIWANGI GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Teknik Elektro dan Komputasi (ELKOM) Journal of Energy and Electrical Engineering (JEEE) E-JOINT (Electronica and Electrical Journal Of Innovation Technology) JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) EPSILON: Journal of Electrical Engineering and Information Technology Jurnal Informatika dan Multimedia International Journal of Advanced Science Computing and Engineering Journal of Computer Engineering, Electronics and Information Technology Jurnal Pengabdian Siliwangi International Journal of Informatics and Computing Majalah Ilmiah Teknologi Elektro Jurnal Teknik Elektro Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
firmansyah maualana sugiartana nursuwars
Jurusan Informatika Universitas Siliwangi Tasikmalaya
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Social Sciences Other

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Sistem Penghitung Otomatis Jumlah Orang Dalam Ruangan Berbasis Internet of Things nursuwars, firmansyah maulana sugiartana; Alauddin, Rifki Akmal; Usrah, Ifkar
E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Vol. 5 No. 1 (2024): E-JOINT, Juni 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/e-joint.v5i1.2364

Abstract

Sistem penghitung orang memainkan peran yang penting dalam berbagai hal seperti keamanan, manajemen, dan perdagangan. Fungsi dari sistem penghitung orang yaitu penghitung orang di dalam ruangan yang digunakan untuk memudahkan pihak instansi dalam memonitoring jumlah orang yang masuk dan keluar dari ruangan. Permasalahan yang muncul adalah bagaimana pihak instansi dapat melihat hasil dari pembacaan sistem penghitung orang tersebut. Untuk mengatasi hal tersebut, diperlukan sebuah media untuk menampilkan hasil dari pembacaan sistem penghitung orang secara otomatis. Penelitian ini mengembangkan alat sebagai media untuk monitoring hasil dari pembacaan sistem penghitung orang secara otomatis. Alat ini menggunakan NodeMCU ESP32 sebagai mikrokontroler, sensor LDR dan laser sebagai sistem penghitung orang, LCD 16x2 sebagai penampil hasil pembacaan sistem penghitung orang, dan website sebagai fasilitas monitoring sistem secara Internet of Things (IoT) yang mampu menampilkan hasil pembacaan sistem penghitung orang dan data yang diterima oleh website dapat di download. Hasil dari penelitian ini adalah dapat membuktikan bahwa penelitian “sistem penghitung otomatis jumlah orang dalam ruangan” ini dapat menjadi media yang dapat menampilkan hasil dari pembacaan sistem penghitung orang secara otomatis.
DETEKSI DINI PENYEBARAN COVID-19 DENGAN IDENTIFIKASI SUHU TUBUH MENGGUNAKAN THERMAL IMAGER DI LINGKUNGAN MASJID AL MUHAJIRIN UNIVERSITAS SILIWANGI andang, asep; Nursuwars, Firmansyah Maulana sugiartana; Gustaman, Rian Arie; taufiqurrahman, imam
Jurnal Pengabdian Siliwangi Vol 7, No 2 (2021)
Publisher : LPPM Univeristas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jsppm.v7i2.2379

Abstract

Saat ini Pandemi Covid-19 masih berlangsung dan belum memperlihatkan tanda-tanda penurunan, tetapi kegiatan kemasyarakatan baik ekonomi, sosial maupun peribadatan sudah mulai berjalan. Hal ini sesuai dengan arahan pemerintah mengenai kondisi new normal atau yang dikenal sebagai adaptasi kebiasaan baru dimana semua aspek kehidupan bermasyarakat wajib menerapkan protokol pencegahan dan pengendalian infeksi. Demikian pula dengan rumah peribadatan dalam hal ini mesjid. Mesjid Al Muhajirin sebagai mesjid kampus Universitas Siliwangi wajib menerapkan protokol kesehatan dengan mencakup: disinfektan rumah ibadah, cuci tangan, menggunakan masker, jaga jarak, alat ibadah sendiri serta pemerikasaan suhu tubuh. Pada kenyataanya pemeriksaan suhu tubuh dengan menggunakan thermal gun mengakibatkan antrian yang cukup panjang, hal ini disebabkan waktu pemeriksaan tiap jamaah cukup lama yaitu 1 – 2 detik. Oleh karena itu dilakukan terobosan pemeriksaan suhu tubuh jamaah dengan menggunakan thermal imager yang dapat menurunkan waktu pemeriksaan menjadi di bawah 0,5 detik dengan penempatan di pintu mesjid Al Muhajirin Universitas Siliwangi.
Multiplikasi Input Analog pada PLC menggunakan Multiplekser IC74HC4067 ANDANG, ASEP; PRIYATNA, RENDI; NURSUWARS, FIRMANSYAH MAULANA SUGIARTANA
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 9, No 4: Published October 2021
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v9i4.813

Abstract

ABSTRAKKebutuhan sistem otomasi untuk pekerjaan tentu sangat dituntut untuk menjadi lebih efektif dan efisien seperti halnya pemanfaatan PLC dalam bidang industri untuk menjalankan segala aktifitas menjadi otomatis, terkadang sistem ADC (analog to digital converter) pada PLC itu terbatas, dan harus diberi tambahan ekstensi eksternal yang dijual terpisah di masing-masing vendor. Tentunya harganya juga terkadang lebih mahal dari pada Unit pemrosesnya, hal ini yang sering menjadi sebuah pertimbangan. Contoh nya sistem ADC pada PLC CP1L-E memiliki 2 kanal. Oleh karena itu penelitian ini dilakukan, dengan melakukan perancangan multiplekser dan demultiplekser analog dengan memanfaatkan IC 74HC4067, hasil dari penelitian ini dalam 1 kanal input analog PLC CP1L-E dapat menjadi 16 kanal input dengan waktu pensaklaran direkomendasikan diatas 0,1detik / kanal berdasarkan hasil selisih pembacaan nilai ADC dibandingkan dengan tanpa melalui multiplekser berkisar antara 0,00% sampai 1,969%, dan multiplekser ini direkomendasikan untuk penggunaan sinyal input pada tegangan0 sampai 5 volt.Kata kunci: ADC, Multiplekser,Demultiplekser, IC CD74HC4067, PLC ABSTRACTThe need for automation systems for work is certainly highly demanded to be more effective and efficient as well as the use of PLCs in the industrial sector to carry out all activities automatically, sometimes the ADC (analog to digital converter) system on the PLC is limited, and must be given additional external extensions that are sold separately for each vendor. Of course the price is also sometimes more expensive than the processing unit, this is often a consideration. For example, the ADC system on the CP1L-E PLC has 2 channels. Therefore, this research was carried out, by designing an analog multiplexer and demultiplexer using IC 74HC4067, the results of this study in 1 analog input channel PLC CP1L-E can be 16 input channels with recommended switching times above 0.1 seconds / channel based on the results of the difference. The reading of the ADC value compared to without going through the multiplexer ranges from 0.00% to 1.969%, and this multiplexer is recommended for the use of input signals at a voltage of 0 to 5 volts.Keywords: ADC, Multiplexer, Demultiplexer, IC CD74HC4067, PLC
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.
Sistem Penghitung Otomatis Jumlah Orang Dalam Ruangan Berbasis Internet of Things nursuwars, firmansyah maulana sugiartana; Alauddin, Rifki Akmal; Usrah, Ifkar
E-JOINT (Electronica and Electrical Journal Of Innovation Technology) Vol 5 No 1 (2024): E-JOINT, Juni 2024
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/e-joint.v5i1.2364

Abstract

Sistem penghitung orang memainkan peran yang penting dalam berbagai hal seperti keamanan, manajemen, dan perdagangan. Fungsi dari sistem penghitung orang yaitu penghitung orang di dalam ruangan yang digunakan untuk memudahkan pihak instansi dalam memonitoring jumlah orang yang masuk dan keluar dari ruangan. Permasalahan yang muncul adalah bagaimana pihak instansi dapat melihat hasil dari pembacaan sistem penghitung orang tersebut. Untuk mengatasi hal tersebut, diperlukan sebuah media untuk menampilkan hasil dari pembacaan sistem penghitung orang secara otomatis. Penelitian ini mengembangkan alat sebagai media untuk monitoring hasil dari pembacaan sistem penghitung orang secara otomatis. Alat ini menggunakan NodeMCU ESP32 sebagai mikrokontroler, sensor LDR dan laser sebagai sistem penghitung orang, LCD 16x2 sebagai penampil hasil pembacaan sistem penghitung orang, dan website sebagai fasilitas monitoring sistem secara Internet of Things (IoT) yang mampu menampilkan hasil pembacaan sistem penghitung orang dan data yang diterima oleh website dapat di download. Hasil dari penelitian ini adalah dapat membuktikan bahwa penelitian “sistem penghitung otomatis jumlah orang dalam ruangan” ini dapat menjadi media yang dapat menampilkan hasil dari pembacaan sistem penghitung orang secara otomatis.
Komparasi Kinerja Interior Gateway Protocol Berbasis Distance Vector dan Link State pada Arsitektur Video Streaming Berbasis Wireless Network Jamaluddin; Rohmat Gunawan; Firmansyah Maulana Sugiartana Nursuwars
Jurnal Terapan Teknologi Informasi Vol 9 No 2 (2025): Jurnal Terapan Teknologi Informasi
Publisher : Fakultas Teknologi Informasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21460/jutei.2025.92.427

Abstract

The rapid growth of video streaming services necessitates a reliable network architecture to guarantee Quality of Service (QoS). Inter-network connectivity is achieved through routing technologies, particularly the Interior Gateway Protocol (IGP), which includes dynamic protocols such as the Distance Vector-based RIPv2 and the Link State-based OSPF. This research aims to analyze and compare the performance of the RIPv2 and OSPF routing protocols within a wireless video streaming architecture. The research methodology employs the PPDIOO (Plan, Prepare, Design, Implement, Operate, Optimize) approach developed by Cisco. Testing was conducted under three scenarios: normal conditions, with interference, and with a main path cutoff. Under normal conditions, OSPF demonstrated superiority with a throughput of 2,6277 Mbps, a packet loss of 1,17%, a delay of 3,128 ms, and a jitter of -0,000334156 ms, outperforming RIPv2. When subjected to interference, OSPF maintained its lead with a throughput of 2,5735 Mbps and a packet loss of 3,18%; however, RIPv2 showed a lower jitter value in this scenario. The main path cutoff scenario revealed OSPF's significant superiority. OSPF's throughput was recorded at 1.8014 Mbps, whereas RIPv2's was only 0,6514 Mbps. Furthermore, OSPF's packet loss (31,70%), delay (4,568 ms), and jitter (-0,702716406 ms) were substantially lower than those of RIPv2, which experienced drastic performance degradation. The research findings consistently indicate that OSPF delivers superior, more stable, and efficient performance in maintaining the Quality of Service for video streaming across various network conditions.
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): 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.
Deteksi Adaptif Titik Kunci Sinyal Photoplethysmography (PPG) dengan Pemodelan Gradien untuk Identifikasi Pola Fisiologis Putri Apriliani Tri Santosa; Asep Andang; Firmansyah Maulana Sugiartana Nursuwars
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P05

Abstract

Abstract— Photoplethysmography (PPG) is a non-invasive optical technique for cardiovascular health monitoring, such as blood pressure estimation and arterial stiffness analysis. However, detecting fiducial points in PPG signals such as the onset, systolic peak, dicrotic notch, and diastolic peak is often hindered by noise, baseline wander, and physiological variability. Although various methods have been proposed, such as time-frequency domain analysis and machine learning algorithms, these approaches still have limitations, including high computational complexity and susceptibility to noise. This study proposes a gradient-based analysis approach to improve the accuracy of fiducial point detection in PPG signals. The gradient method is used to detect local maxima and minima in the PPG signal. By incorporating validation and correction modules based on temporal order and amplitude ratios, the approach achieves 100% detection accuracy after initial error correction (initial error rate: 58% for the dicrotic notch). The results demonstrate that this method effectively identifies all fiducial points (onset, systolic peak, dicrotic notch, diastolic peak) in 50 out of 50 datasets, with robust performance against noise and physiological variability. This study confirms that the gradient-based method is suitable for cost-efficient, portable diagnostic applications.    
Peningkatan Kualitas Sinyal Photoplethysmography (PPG) melalui Pendekatan Prapemrosesan Multitahap Fitri Handayani; Asep Andang; Firmansyah Maulana Sugiartana Nursuwars
Majalah Ilmiah Teknologi Elektro Vol 24 No 1 (2025): ( Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i01.P06

Abstract

Photoplethysmography (PPG) is a non-invasive technique for measuring various physiological parameters, including blood glucose levels. However, PPG signals are often affected by noise and artefacts that reduce the accuracy of analysis and prediction. Therefore, an effective noise filtering method is needed to make the signal quality and ready for feature extraction for blood glucose estimation. This study offers a solution to the problem of noise in PPG signals through the application of appropriate pre-processing methods. This study aims to select quality PPG signals through three pre-processing methods: detrend, smoothing, and 0.5-5 Hz bandpass filter. The effectiveness of the three methods was evaluated through ADF test to measure the stationarity of the signal, frequency spectrum analysis to observe the distribution of frequency components, and SNR test to assess the signal to noise ratio. Based on the analysis of 67 data samples, the p-value <0.05 was obtained, indicating that the signal has reached a stationary condition. In addition, the average test statistic of men is higher than that of women, indicating that men's signals are more stationary after detrend. Meanwhile, 36 samples (54%) had SNR ≥ 20 dB indicating that more than half of the data were of good enough quality for further analysis. The results show that multi-stage pre-processing improves the quality of PPG signals, validated through quantitative tests of stationarity and SNR values. Thus, the preprocessed and improved quality PPG signals are considered feasible for use in the development of estimation models for various physiological parameters, including blood glucose levels.
Adaptation in IoT-Fog Data Transmission: SLR and Future Perspectives on Dynamic Frequency Control Firmansyah Maulana Sugiartana Nursuwars; Linawati; Nyoman Putra Sastra; Wiharta, Dewa Made; Aceng Sambas
Jurnal Teknik Elektro Vol. 17 No. 1 (2025)
Publisher : LPPM Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jte.v17i1.30564

Abstract

The advancement of Internet of Things (IoT) and fog computing technologies has created significant opportunities for more efficient, faster, and proximity-based data management. However, IoT-Fog systems face considerable challenges related to device heterogeneity, traffic dynamics, and the complexity of network topologies that continuously change. This study conducts a Systematic Literature Review (SLR) of various research works covering dynamic scheduling, routing, context-aware data flow, offloading, and IoT-Fog systems without adaptive mechanisms. The findings indicate that most existing approaches still rely on relatively static topology assumptions, rendering them insufficiently adaptive to real-time changes in network conditions. One area identified as a research gap is dynamic frequency control, an adaptive mechanism capable of dynamically adjusting data transmission intensity based on network conditions. The main conclusion of this study emphasizes the necessity for developing adaptive systems that are topology-agnostic and supported by dynamic frequency control to maintain optimal performance even under significant topology changes. Such systems are anticipated to become a crucial foundation for future IoT-Fog applications, including smart cities, Industry 4.0, and intelligent healthcare services, which demand high reliability and low latency.
Co-Authors Abdul Chobir Aceng Sambas Aceng Sambas Ade Sarah Ahmad Hamdan Aji Fauzi Pangestu Alauddin, Rifki Akmal ANDI NAHRUL HAYAT, MOHAMMAD EXCEL Andri Ulus Rahayu Aripin Aripin Aripin Aripin Asep andang Asep Andang, Asep Dani Gilang Sujana Dewa Made Wiharta Edvin Priatna Enov Tikupasang Fahmi Fathurrohman Fajar Awaludin Fajar Nurohman Faridah, Linda Fitri Handayani Gilang Ramadhani Gunawan, Rohmat Gustaman, Rian Arie Ifkar Ushar Imam Taufiqurrahman Imam Taufiqurrahman Jamaluddin Laksana, Angga Linawati Lita Lestari Utami Mochammad Fadillah Putra Muhamad Taufik Hidayat Muhammad Arif Ramdani Muhammad Arif Ramdani Muhammad Faiz Dzaki Chanafi Neng Ika Kurniati Nurul Hiron Nurul Hiron, Nurul Nyoman Putra Sastra Permana, Prama Priyatna, Rendi Putri Apriliani Tri Santosa Ragil Alifi Zakaria Rahmi Nur Shofa Rendi Priyatna Reza Fragaria Audika Rianto Rianto Risnandar, Muhammad Aris Rohmat Gunawan Shopa, Rahmi Nur Silviani, Veni Siti Ratnasari Solihin Stheven Erlangga Sanjaya Sulastri, Heni Suryanto, Suyanto Sutisna Sutisna Sutisna Sutisna Sutisna Usrah, Ifkar