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All Journal Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer International Journal of Engineering, Technology and Natural Sciences (IJETS) Devotion: Journal of Research and Community Service
Franata, Nauval
Universitas Sultan Ageng Tirtayasa
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Sistem Otentikasi Biometrik Multimodal Berbasis Fitur Tekstur Garis Telapak dan Pembuluh Darah Punggung Tangan dengan Metode BPNN Yudono, Muchtar Ali Setyo; Nugraha, Adi; Franata, Nauval; Ramadhani, Ahmad; Erlindriyani, Ratu Verlaili; Zulfiqar, Danial; M.Syam, Fajar; Futri, Dila Aura; Fauzan, Akmal Nuur
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 13, No 2 (2024): Edisi Desember 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/setrum.v13i2.29589

Abstract

Kebutuhan akan sistem otentikasi yang aman terus meningkat seiring perkembangan teknologi digital. Sistem autentikasi biometrik berbasis ciri khas manusia, seperti pengenalan wajah dan sidik jari, menawarkan solusi namun masih rentan terhadap manipulasi. Penelitian ini mengembangkan sistem autentikasi biometrik multimodal dengan menggabungkan fitur garis telapak tangan dan pola pembuluh darah punggung tangan, memanfaatkan Backpropagation Neural Network (BPNN) untuk klasifikasi dan Tapis Gabor untuk ekstraksi ciri. Sistem ini dirancang untuk meningkatkan akurasi, sensitivitas, dan spesifisitas autentikasi. Pada data pelatihan, sistem mencapai akurasi sebesar 98,1%, sensitivitas 100% pada kelas tertentu, dan spesifisitas optimal. Sementara pada data pengujian, akurasi tercatat sebesar 91%, dengan sensitivitas tertinggi mencapai 95% dan spesifisitas tetap tinggi pada kelas tertentu. Hasil ini menunjukkan bahwa sistem autentikasi multimodal berbasis BPNN dan Tapis Gabor dapat diandalkan dalam aplikasi keamanan digital, karena mampu memanfaatkan dua sumber biometrik berbeda untuk meningkatkan keakuratan dan daya tahan terhadap teknik pemalsuan.
Designing a GaN-Based 1x2 Optical Power Splitter Using Rectangular Waveguide Coupling Franata, Nauval; Ali Setyo Yudono, Muchtar; Ramadhani, Ahmad; Verlaili Erlindriyani, Ratu
Jurnal Internasional Teknik, Teknologi dan Ilmu Pengetahuan Alam Vol 6 No 2 (2024): International Journal of Engineering, Technology and Natural Sciences
Publisher : Universitas Teknologi Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46923/ijets.v6i2.415

Abstract

The need for compact and efficient optical power splitters is becoming increasingly urgent due to the growing demand for integrated photonic devices, which are essential in fields like optical interconnects and sensing. This study addresses the issue by focusing on the design and analysis of a GaN based 1x2 optical power splitter that employs rectangular waveguide coupling. The primary aim of the research is to evaluate how the number of rectangular waveguide couplings affects the performance of the power splitter, particularly in terms of splitting angle and excess loss. To achieve this, simulations were conducted using the finite-difference time-domain (FDTD) method. The design was tested with three configurations: three, five, and seven rectangular waveguides. The research design follows a structured simulation approach, where the FDTD method was employed to explore the impact of varying the number of rectangular waveguides. The process involves systematically altering the number of coupling sections and analyzing the resulting output. The 3D optical power distribution and the optical field intensity at the splitter output for each design were examined. Additionally, the excess loss distribution over the wavelength range of 1500 nm to 1600 nm was determined, demonstrating the potential of the proposed designs for optical communication applications. This data analysis enabled the researchers to evaluate the performance of each configuration. Notably, as the number of waveguides increased, the splitting angle became wider, but this was accompanied by a rise in excess loss. These findings demonstrate the potential of the proposed design for practical applications. Future studies could explore further optimization and real-world implementation.
Pemodelan Ultrasonik dalam Dua Dimensi untuk Aplikasi Uji Tak Rusak Muttakin, Imamul; Ahendyarti, Ceri; Muhammad, Fadil; Masjudin, Masjudin; Lufianawati, Dina Estining Tyas; Franata, Nauval; Yudono, Muchtar Ali Setyo; Otong, Muhamad; Maulana, Alief; Agusutrisno, Agusutrisno
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 14, No 1 (2025): Edisi Juni 2025
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/setrum.v14i1.32319

Abstract

Uji tak rusak berbasis ultrasonik digunakan secara luas dalam penentuan integritas dan kondisi dari suatu struktur. Sensor ultrasonik adalah teknologi kunci dengan kemampuannya untuk mendeteksi cacat internal tanpa menyebabkan kerusakan objek.  Artikel ini membahas pemodelan ultrasonik dengan metode metode elemen hingga (finite element method, FEM). Telah dilakukan studi domain frekuensi untuk permasalahan elektrostatik dan mekanik (piezoelektrik), serta akustik (ruang lingkungan) dengan coupling multifisis pada batas akustik-struktur. Selain itu, studi time dependent dengan antarmuka elastic waves mengkaji fenomena gelombang melalui transducer dan objek terhadap waktu. Nilai tegangan, tekanan, dan kecepatan dapat diperoleh dari evaluasi integratif. Gelombang berinteraksi dengan lingkungan dan objek sehingga menimbulkan pemantulan serta penyebaran perambatan Pantulan dari gelombang menyiratkan adanya cacat di dalam objek yang lokasinya dapat diestimasi dari waktu kemunculan pantulan apabila kecepatan gelombang ultrasonik pada objek tertentu telah diketahui. Intergrasi teknologi sensor dan analisis data melalui metode FEM dapat mendukung peningkatan efektivitas dan keandalan metode inspeksi ultrasonik.
Sistem Monitoring Kejernihan Air Tandon Menggunakan Sensor Turbidity Berbasis IoT di Kecamatan Kasemen Saraswati, Irma; Mansyur, Mansyur; Haryanto, Heri; Ramadhani, Ahmad; Franata, Nauval; Erlindriyani, Ratu Verlaili; Yudono, Muchtar Ali Setyo
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 14, No 1 (2025): Edisi Juni 2025
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/setrum.v14i1.33205

Abstract

Air merupakan bagian sangat penting untuk kelangsungan hidup makhluk hidup. Oleh karena itu perlu mengetahui kualitas air yang memenuhi standar kesehatan, maka pada penelitian ini dirancang sistem monitoring kejernihan air menggunakan sensor turbidity pada tandon berbasis internet of thing. Sistem ini memanfaatkan aplikasi Blynk pada platform Android untuk melakukan sistem monitoring. Parameter fisika yang diuji berupa tingkat kekeruhan air, pH dan suhu menggunakan sensor turbidity SEN0189, pH dan sensor suhu DS18B20. Pengujian keseluruhan parameter dilakukan di Kantor Kecamatan Kasemen. Hasil rata-rata tingkat kekeruhan berkisar 25-27 NTU, nilai tersebut sudah sesuai dengan standar mutu air bersih menurut KEPMENKES RI No/32/2017 yaitu sebesar 25 NTU. Hasil pengujian nilai pH air tercatat antara 5-6, yang menunjukkan sifat asam, dan suhu air bervariasi antara lain 28°C-32°C bergantung pada kondisi cuaca pada saat pengujian. Sistem monitoring ini bekerja dengan baik di cuaca hujan (28°C) dan cuaca cerah (32°C).
Design and Implementation of Operating System Components and Data Acquisition for the 300 keV/20 mA EBM at PSTA-BATAN Yogyakarta Ramadhani, Ahmad; Budianto, Anwar; Franata, Nauval; Ali Setyo Yudono, Muchtar; Verlaili Erlindriyani, Ratu
Devotion : Journal of Research and Community Service Vol. 6 No. 10 (2025): Devotion: Journal of Community Research
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/devotion.v6i10.25524

Abstract

The development of operating system components and a data acquisition system for the 300 keV/20 mA Electron Beam Machine (EBM) at PSTA-BATAN Yogyakarta has been conducted. The system is designed to control and monitor key operational parameters, including input oscillator power voltage, high voltage, beam current, electron gun voltage, and vacuum pressure. It integrates hardware consisting of the PLC FX2424 module, L-Relay 51, and regulated power supply with software developed using LabVIEW 2018 and i-TRiLOGI 7.01. The development process involved programming the operating system in i-TRiLOGI , establishing PLC–LabVIEW communication, and implementing monitoring and data acquisition features in LabVIEW. The system enables remote operation of EBM components via a computer interface and provides real-time visualization of parameters in graphical and tabular formats. Data storage and export functions are also included to support further analysis. Testing results indicate that PLC–LabVIEW communication operates reliably via serial protocol, while ADC testing of the PLC produced a linear response with a correlation value of 1. Data presentation in LabVIEW HMI was accurate and could be exported into Microsoft Excel and Word, confirming the system's functionality for both operation and data acquisition
Co-Authors Adi Nugraha Agusutrisno, Agusutrisno Budianto, Anwar Ceri Ahendyarti Erlindriyani, Ratu Verlaili Fauzan, Akmal Nuur Futri, Dila Aura Haryanto, Heri Lufianawati, Dina Estining Tyas M.Syam, Fajar Mansyur, Mansyur Masjudin, Masjudin Maulana, Alief Muchtar Ali Setyo Yudono Muhammad, Fadil Muttakin, Imamul Otong, Muhamad Ramadhani, Ahmad Ramadhani, Ahmad Saraswati, Irma Verlaili Erlindriyani, Ratu Zulfiqar, Danial