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All Journal Jurnal Simantec ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika CYCLOTRON Jurnal Teknik Elektro dan Komputer TRIAC Jambura Journal of Electrical and Electronics Engineering JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Fortech SinarFe7 PELS (Procedia of Engineering and Life Science) JEECS (Journal of Electrical Engineering and Computer Sciences) Journal of Renewable Energy, Electronics and Control
Adi Kurniawan Saputro
Universitas Trunojoyo Madura
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Analisa Kinerja Metode Deteksi pada Sistem Komunikasi MIMO Dian Neipa Purnamasari; Deni Tri Laksono; Adi Kurniawan Saputro; Muttaqin Hardiwansyah
Jurnal Teknik Elektro dan Komputer TRIAC Vol 9, No 1 (2022): Mei 2022
Publisher : Jurusan Teknik Elektro Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/triac.v9i1.14628

Abstract

Teknologi MIMO (Multiple-Input-Multiple-Output) muncul untuk menyelesaikan permasalahan dalam sistem komunikasi dengan lintasan yang berbeda. Teknologi ini memiliki beberapa pemancar dan penerima. Salah satu tantangan pada teknologi ini adalah pengiriman sinyal informasi menggunakan kanal yang berbeda. Untuk mengatasi hal tersebut terdapat teknik deteksi sinyal yang dapat mendeteksi sinyal sesuai yang diinginkan sistem. Pada penelitian ini dilakukan analisa metode deteksi sinyal yang diterapkan pada sistem komunikasi MIMO. Metode deteksi yang diuji adalah Zero Forcing (ZF), Minimum Mean Square Error (MMSE), Maximum Likelihood Detection (MLD) dan V-BLAST. Parameter yang diamati pada penelitian ini adalah perbandingan Bit Error Rate (BER) terhadap Signal to Noise Ratio (SNR). Hasil pengujian diperoleh bahwa metode deteksi yang memiliki performansi lebih baik adalah MLD, Hal ini dikarenakan sistem MIMO-MLD hanya membutuhkan SNR sebesar 12 dB untuk mencapai BER 10-3. Sedangkan metode deteksi yang memiliki performansi paling lemah adalah ZF, hal ini dikarenakan ZF membutuhkan SNR sebesar 24 dB untuk mencapai BER 10-3.
Perancangan Smart –Tv Menggunakan Perintah Suara Dengan Metode Hidden Markov Model adi kurniawan saputro
Jurnal Teknik Elektro dan Komputer TRIAC Vol 7, No 2 (2020): Oktober 2020
Publisher : Jurusan Teknik Elektro Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/triac.v7i2.7757

Abstract

Abstract— Salah satu teknologi yang sedang berkembang saat ini adalah perintah suara yang mengolah suara menjadi suatu perintah agar dapat dikenal oleh alat elektronik. Penelitian ini menggambarkan pengenalan pola suara untuk mengontrol, menghidupkan, mematikan dan mengganti channel televisi secara otomatis sebagai pengganti remote. Alat ini bertujan untuk memberikan inovasi dalam pengembangan dunia teknologi yang dititik beratkan pada pengenalan perintah suara. Metode yang digunakan adalah Hidden Markov Model untuk mengeksekusi fungsi perangkat melalui perintah suara . Sinyal suara dicuplik sehingga menjadi sinyal digital kemudian dinormalisasi dan diproses dengan preprocessing signal menggunakan metode LPC (Linear Predective Coding) selanjutnya dianalisis dan dicari nilai probabilitas yang maksimum sehingga dapat dikenali menggunakan Hidden Markov Model (HMM). Dengan konsep tersebut maka semua peralatan elektronik dapat dikendalikan dengan perintah suara dari penggunannya.
Copper Winding Voice Coil Speaker Microcontroller Based Adi Kurniawan Saputro; Hanifudin Sukri; Andre Putra Pratama; Koko Joni; Achmad Fiqhi Ibadillah; Monika Faswia Fahmi
JEECS (Journal of Electrical Engineering and Computer Sciences) Vol. 9 No. 2 (2024): December
Publisher : Fakultas Teknik Universitas Bhayangkara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/jeecs.v9i2.1

Abstract

The voice coil is a vital speaker component, producing sound through electromagnetic vibrations. Generally, commercially available voice coils do not meet standard quality specifications, especially in terms of copper quality and adhesive strength. This problem often leads to issues such as coil burning or breakage during operation. On the other hand, ordering custom voice coils through manual winding processes requires considerable time. This study aims to address these limitations by designing an automated coil winding device that employs Pulse Width Modulation (PWM) techniques to control the speed of a DC motor, enabling the production of voice coils with specifications and durability tailored to specific needs. An Arduino Nano microcontroller controls the system and consists of a BTS 7960 motor driver, a Direct Current (DC) motor, an optocoupler sensor, a rotary encoder, a 4x4 keypad, and an LCD display with an I2C interface. Coil durability testing was conducted using an ohmmeter and an amplifier with a transformer ranging from 20A 45V to 30A 45V. The testing results indicate that coils produced with the automated winder can be adjusted to approach the 8-ohm specification, with a tolerance of 0.1 to 0.3 ohms, suitable for speaker requirements. The comparison results show that commercial voice coils exhibit resistances below 8 ohms, with the lowest resistance measured at 4.9 ohms for larger coils. During power testing, coils with a diameter of 35.5 mm and copper wire diameters of 0.20 mm and 0.23 mm broke when tested with a 20A 45V amplifier. In contrast, commercial coils remained stable up to an input power of 372 W and output power of 273 W, although a burning odor was detected. These findings indicate that the copper quality in commercial coils is superior in resisting amplifier power up to 30A 45V compared to coils produced with the automated device.
Design of Axial Flux Generator for Vertical Wind Turbine Power Plant Adi kurniawan saputro; Riza Alfita; Oryza Sativa Nugroho; Achmad Fiqhi Ibadillah; Kunto Aji Wibisono
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 2 (2026): Juli - Desember 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i2.34141

Abstract

This research discusses the design and testing of an axial flux generator using neodymium iron boron (NdFeB) permanent magnets for use in vertical wind turbines at low wind speeds. The main objective of the research is to create a generator design that is compact, efficient, and can work well in low wind speed conditions. The development method begins with calculating the number of poles, coils, windings, and the maximum magnetic field. Next, 2D and 3D designs of the rotor and stator are made with a configuration of 6 pairs of poles or 12 magnets and 9 three-phase coils with a design capacity of 100 watts. After the design is completed, tests are carried out using resistor loads and various lamps to measure the generator's performance. The test results show that the generator is able to produce different efficiencies depending on the load and rotational speed. In the test using a resistor, the highest efficiency was achieved at 89.5% at a speed of 402.8 RPM, while in the test with a lamp load, the electrical efficiency reached 98.46% at a load of 1.5 watts at a speed of 1501 RPM. However, efficiency tends to decrease at higher loads due to increased copper losses in the windings. In conclusion, the designed axial flux generator is effective for use in vertical wind turbines at low speeds, although it still requires design improvements to maintain stable performance at high loads.
SISTEM PENENTUAN POSISI DALAM RUANGAN BERDASARKAN RECEIVE SIGNAL STRENGTH INDICATOR (RSSI) Dian Neipa Purnamasari; Adi Kurniawan Saputro
Jurnal Simantec Vol 11, No 1 (2022): Jurnal Simantec Desember 2022
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/simantec.v11i1.19734

Abstract

Sistem penentuan kece slot posisi dalam ruangan (indoor positioning system) yang sangat penting untuk navigasi di dalam gedung atau bangunan. Dalam sistem ini, kekuatan sinyal yang diterima oleh perangkat penerima dari pemancar diukur untuk menentukan jarak antara perangkat penerima dan pemancar. Hal ini dilakukan untuk memberikan solusi dalam masalah yang sering terjadi di dalam ruangan seperti kehilangan arah atau tidak mengetahui posisi yang tepat di dalam gedung atau bangunan. Salah satu jenis pemancar yang sering kece slot digunakan dalam sistem penentuan posisi dalam ruangan berdasarkan pengukuran RSSI adalah WiFi dan Bluetooth. Penelitian ini mengusulkan sistem penentuan posisi dalam ruangan berdasarkan nilai pengukuran RSSI menggunakan media transmisi nirkabel antara lain teknologi WiFi dan Bluetooth. Penggunaan media nirkabel digunakan karena memiliki keuntungan, seperti jangkauan sinyal yang cukup luas dan biaya implementasi yang kece slot relatif rendah. Hasil pengujian didapatkan bahwa adanya perbedaan jarak antara titik referensi dengan titik estimasi dikarenakan adanya variasi yang besar terhadap fading dan shadowing di dalam gedung. Hal ini terlihat pada lokasi pengujian yang memiliki banyak properti seperti didalam ruangan terdapat sekat, vending machine dan properti lainnya, sehingga menyebabkan adanya peredaman sinyal, pembelokan sinyal dan pemantulan sinyal yang mengakibatkan penurunan kuat sinyal.Kata kunci: Bluetooth, Penentuan Posisi, RSSI, WiFi
Fuzzy Logic Based LoRa and IoT Smart Buoy for Sea Wave Monitoring in Madura ADI KURNIAWAN SAPUTRO; RIZA ALFITA; MOHAMAD AHSAN ZUHUDI; MUTTAQIN HARDIWANSYAH; DENI TRI LAKSONO; DIAN NEIPA PURNAMASARI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 1: Published January 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i1.26

Abstract

Indonesia is an archipelagic country with most of its territory consisting of water, increasing the risk of water-related natural disasters. Seawater waves, influenced by tidal movements, are one such phenomenon, and wind speed significantly affects their height. Faster sea winds can generate higher seawater waves. To obtain related data, a system capable of detecting seawater wave height and wind speed is required. This study aims to test a LoRa (Long Range)-based seawater wave detection system that is both efficient and reliable. The system uses a BNO055 sensor to measure wave height and an anemometer to detect wind speed. The relationship between wind speed and seawater wave height is analyzed using the fuzzy Mamdani method. Results show the BNO055 sensor has 92% accuracy, the anemometer 98.4%, and the fuzzy Mamdani method yields an error rate of only 0.25%. This system is expected to enhance marine monitoring and safety efforts.
Evaluation of Latency, Range, and Path Redundancy in Multihop Communication Using the NRF24L01 Module Dian Neipa Purnamasari; Adi Kurniawan Saputro; Moch. Roziqul Barqi; Puteri Nurul Ma’rifah; Achmad Ubaidillah Ms; Muttaqin Hardiwansyah
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 1 (2026): Januari - Juni 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i1.33470

Abstract

This research focuses on evaluating the performance of NRF24L01 module-based multihop wireless communication networks, specifically on latency, range, and path redundancy resilience. The network was designed with 8 nodes (1 sender and 7 router/receiver nodes) for data transmission. Response time (latency) is explicitly measured using synchronized timestamps from a Real Time Clock (RTC) DS3231 across all nodes. This performance-oriented study involved three main scenarios: 1) Line of Sight (LoS) to measure maximum range and baseline latency, 2) Non-Line of Sight (NLoS) to test the impact of physical obstacles, and 3) Automatic Routing and Path Redundancy testing to evaluate the failover capability. In the LoS scenario, effective communication reached 310 meters with an average latency of 1,046 ms. Conversely, in the NLoS scenario, communication remained effective up to 33 meters with an average latency of 763 ms. The path redundancy analysis demonstrates that the system successfully performed a failover when an intermediate node was shut down, though it caused a net latency increase of more than 800 ms on the alternative path. These results confirm that NRF24L01 can provide reliable multihop connectivity suitable for long-distance monitoring applications.
Liveness Detection-Based Home Door Security System for Anti-Spoofing Using Intel RealSense F455 Camera and LBPH Adi kurniawan saputro; Achmad Ubaidillah; Hamzah Arifianto Diputra; Deni Tri Laksono; Achmad Fiqhi Ibadillah; Achmad Zain Nur
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 1 (2026): Januari - Juni 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i1.34918

Abstract

Spoofing attacks on facial recognition-based security systems are increasing along with the development of smart home technology. To address this issue, this study proposes a home door security system with the implementation of liveness detection-based anti-spoofing technology using an Intel RealSense F455 camera. The system is designed to verify the authenticity of a user's face in real-time by combining facial texture analysis and the user's physiological responses. The facial detection process is carried out using the Haarcascade algorithm to extract a 160×160 pixel facial area, while facial recognition uses the Local Binary Pattern Histogram (LBPH) method which is relatively stable to variations in lighting and viewing angles. The liveness detection mechanism is implemented mechanically by utilizing the Haarcascade Eye to detect the user's eye movements as an indicator of the presence of a live face, so that the system is able to distinguish real faces from fake media in the form of static photos. The system is integrated with a Telegram bot for real-time access monitoring, where automatic notifications are sent every time a door access attempt occurs. Test results show a facial recognition accuracy rate of 98.93%, with the system successfully detecting and verifying 30 registered users and producing an average confidence value consistently above 80%. Furthermore, the liveness detection mechanism proved effective in preventing photo-based spoofing attacks, with a stable detection success rate throughout the testing. These findings suggest that the integration of LBPH and eye-based liveness detection can improve the reliability of facial recognition-based door security systems.
WEB-BASED JOB TRAINING INFORMATION SYSTEM FOR ELECTRICAL ENGINEERING STUDY PROGRAM STUDENTS Adi Kurniawan Saputro
Journal Renewable Energy, Electronics and Control Vol 1, No 1 (2021): Jurnal JREEC
Publisher : Department of Electrical Engineering, Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jreec.2021.v1i1.1802

Abstract

Management of student academic data is in the form of practical work, where the current practical work system in the Department of Electrical Engineering at Trunojoyo Madura University (UTM) is still manual, resulting in a waste of time and energy in delivering information. This research describes the flow of the system which later can access the data information system quickly and effectively. The flow of the system is depicted with a block diagram so that it is easier to understand and know the steps of the activity that must be passed first. While the design stage for the system consists of the database design process, web-based user interface design and the process of creating programs using HTML. This study has the objectives and results of creating a web-based practical work information system displayed through 19 inch Led Tochcreen using a PC as programming, so that it can provide practical work information, practical work progress, details of practical work lecturer load, facilities that support students and admin. in making administrative completeness practical work. The system is designed to have a database that is useful for data storage and for its web-based user interface to enter and retrieve the required data and so that it can be accessed anywhere, by several users en masse through an internet connection and the information presented is up to date
Co-Authors Achmad Fiqhi Ibadillah Achmad Ubaidillah Achmad Ubaidillah Achmad Ubaidillah Ms Achmad Zain Nur Andre Putra Pratama Deni Tri Laksono Dian Neipa Purnamasari Diana Rahmawati Febrianto Hadi Kusuma Hamzah Arifianto Diputra Haryanto Haryanto Haryanto Indana Nihayatul Husna Khoirul Ogik Saputra Koko Joni Kunto Aji Wibisono Miftachul Ulum Moch. Roziqul Barqi MOHAMAD AHSAN ZUHUDI Monika Faswia Fahmi Muttaqin Hardiwansyah Nonik Silvia Agustin Oryza Sativa Nugroho Puteri Nurul Ma’rifah Riza Alfita Riza Alfita Riza Alfita ROSIDA VIVIN NAHARI Sigit Rolis Siti A’isya Sukri, Hanifudin Ulum, Miftachul Vivin Nahari Vivin Nahari