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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Prosiding Semnastek Jurnal Informatika dan Teknik Elektro Terapan ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Journal of Electrical Technology UMY JMM (Jurnal Masyarakat Mandiri) ABDIMAS SILIWANGI Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika Journal of Energy and Electrical Engineering (JEEE) JTEIN: Jurnal Teknik Elektro Indonesia E-JOINT (Electronica and Electrical Journal Of Innovation Technology) JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Indonesian Journal of Community Dedication in Health (IJCDH) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Journal FORTEI-JEERI Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Jurnal Pengabdian Masyarakat Indonesia Gotong Royong Jurnal Pengabdian Siliwangi Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics International Journal of Informatics and Computing Jurnal Teknokes SNTE Majalah Ilmiah Teknologi Elektro
Asep Andang, Asep
Department Of Electrical Engineering, Faculty Of Engineering, Univeristas Siliwangi, Tasikmalaya, Indonesia
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Traffic Light Control System With Image Segmentation Technique and Pattern Matching Technique Using NI myRIO Anugrah, Rizki; Andang, Asep; Sugiartana Nursuwars, Firmansyah Maulana
Journal FORTEI-JEERI Vol. 6 No. 1 (2025): FORTEI-JEERI
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia (FORTEI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/forteijeeri.v6i1.26

Abstract

Traffic congestion is still a serious problem in many big cities in Indonesia, one of which is due to traffic light settings that are less adaptive to vehicle conditions on the road. This research aims to design and analyze the performance of an adaptive traffic light control system with image segmentation and pattern matching techniques using NI myRIO. The tests include selecting the optimal resolution, comparing fps with webcam input and AVI video, determining the best camera angle, and testing the system in bright, dim, empty streets, and early morning conditions. The results showed that a resolution of 176 × 144 and a camera angle of 90° provided the best performance. AVI video can be used as an alternative in system testing as the results are similar to webcam. The system performed optimally in bright conditions with an F-1 Score of 79.33% and a match rate score of 100% with an average fps of 9.93 fps. However, in dim conditions the performance decreased with an F-1 Score of 69.33% and a Match Rate Score of 41.67% with an average of 10.25 fps. In empty streets and early morning conditions, the system can still operate but sometimes experiences processing delays.
Identification of Blood Sugar Based on Non-invasive Measurements UsingPhotoplethysmography Method Signal Decoding in Diabetics in Tasikmalaya Badriah, Siti; Bahtiar, Yanyan; Cahyati, Peni; Andang, Asep; Fathurrohman, Fahmi
Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol. 6 No. 3 (2024): August
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/ijeeemi.v6i3.8

Abstract

Non-invasive blood sugar testing tools are now in great demand among the public. This research aims to develop a non-invasive blood sugar examination tool with a Photopletysmograph signal decoding system based on data acquisition from a wearable sensor device on the wrist. The tool used for data acquisition uses Near Infra Red Light-emitting Diode NIR LED 880 nm, 660 nm and 537 nm. This acquisition transfers signals from the body via a photodiode to a PC Personal Computer for processing using Matlab. The method used in this research is to look for the height of the systolic and diastolic amplitude of the Photopletysmograph PPG signal and use the peak-to-peak voltage Vpp to implement Beer Lambert's law. This method was tested on 54 people, randomly aged 26-89 years, with normal blood sugar to high blood sugar. The results show an error of 18.37% from the gold standard. In conclusion, the use of the PPG signal decoding method has proven to be significant in producing blood sugar values. Furthermore, this method was developed for real-time remote measurements via wearable sensor devices.
Komparasi Metode PI pada pengaturan Tegangan Konverter Buck untuk Kendali Kecepatan Motor BLDC Andang, Asep; Paryono, Ervan; Nursuwars, Firmansyah Maulana
Seminar Nasional Teknik Elektro Vol. 3 No. 1 (2023): SNTE II
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

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Abstract

Motor BLDC banyak digunakan saat ini dikarenakan berbagai kelebihan mulai dari dimensi yang kecil dan ringan jelajah kecepatan, efisiensi tinggi serta dapat ditempatkan pada daerah yang berbahaya. Pengendalian kecepatan motor BLDC yang sering digunakan adalah PI dengan berbagai gabungan metodenya. Pada penelitian ini akan dilakukan pengendalian kecepatan motor dengan mengendalikan tegangan pada konverter buck yang terhubung dengan inverter tiga fasa sebagai driver motor BLDC. Metode tuning PI yang di paparkan adalah perbandingan metode tuning PI dengan metode ChienRegulator, Chien Servo dan Ziegler Nichols. Pengujian dilakukan pada motor BLDC dengan menggunakan Bump test serta waktu respon dengan berbagai metode. Dari hasil didapatkan bahwa metode Ziegler Nichols mempunyai keunggulan pada saat starting tetapi mempunyai respon waktu yang lambat dibandingkan kedua metode lainnya.
Penerapan Model-Based Design untuk Kendali Elektronika Daya: Studi Kasus STM32 dan Simulink Andang, Asep; Paryono, Ervan; Anshori, Rizal
Seminar Nasional Teknik Elektro Vol. 4 No. 1 (2025): SNTE III
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/snte.25.062

Abstract

Penelitian ini membahas penerapan Model-Based Design (MBD) untuk sistem kendali elektronika daya, dengan fokus pada pengendalian inverter berbasis Sinusoidal Pulse Width Modulation (SPWM) menggunakan MATLAB Simulink dan mikrokontroler STM32. Metodologi yang digunakan mengikuti kerangka V-Model, meliputi tahapan perancangan konsep, pemodelan, verifikasi Software-in--Loop (SIL), dan validasi Hardware-in-Loop (HIL). Studi kasus yang digunakan adalah inverter H-bridge satu fasa dengan kendali SPWM. Hasil penelitian menunjukkan keberhasilan implementasi MBD dalam merancang dan menguji sistem kendali inverter, dengan kesesuaian antara hasil simulasi dan pengujian hardware. Pendekatan ini terbukti efektif dalam mempercepat proses pengembangan, meningkatkan keandalan sistem, dan memfasilitasi iterasi desain yang cepat. Studi ini diharapkan dapat menjadi referensi aplikatif bagi pengembangan sistem kendali daya yang efisien dan mudah direplikasi, baik dalam lingkungan pendidikan maupun industri.
Integrating Digital Payment and Monitoring Systems in On-Street Parking Services: A Cyber-Physical System Approach Nursuwars, Firmansyah Maulana Sugiartana; Andang, Asep; Shofa, Rahmi Nur; Sambas, Aceng
JICO: International Journal of Informatics and Computing Vol. 1 No. 2 (2025): November 2025
Publisher : IAICO

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Abstract

On-street parking is a critical component of urban mobility but often encounters challenges in terms of payment efficiency, transparency, and system supervision. This study aims to develop an on-street parking service system based on a Cyber-Physical System (CPS) that integrates digital payments via QRIS and Android Point of Sale (POS) devices. The proposed system is designed to streamline transaction processes, enhance accountability of parking attendants, and provide real-time monitoring data accessible to system administrators. The research methodology combines the Software Development Life Cycle (SDLC) and Hardware Development Lifecycle, with a modular system architecture and comprehensive functional testing. The results show that the system can process transactions in an average of 23 seconds, supports automated digital records, and improves user satisfaction with parking services. The implications of this development extend beyond digital transformation in the transportation sector, offering a foundation for data-driven and adaptive smart parking management. This study contributes to the advancement of efficient, transparent, and user-centered public service systems through integrated technological solutions.
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.
PEMBERDAYAAN MASYARAKAT DALAM PENINGKATAN AKSES PANGAN BERGIZI MELALUI BUDIDAYA LELE DAN KANGKUNG Hidayanti, Lilik; Puspareni, Luh Desi; Andang, Asep; Nurzaman, Mochamad Herdi
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 6 (2024): Desember
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i6.27215

Abstract

Abstrak: Pemberdayaan masyarakat sangat penting untuk meningkatkan akses ke makanan bergizi dan mengatasi kekurangan gizi. Proyek pengabdian masyarakat ini bertujuan untuk meningkatkan pengetahuan dan kemampuan mitra melakukan budidaya ikan lele dan kangkung dalam ember (Budikdamber ) di, Kabupaten Tasikmalaya, Jawa Barat. Program ini melibatkan 100 peserta, sebagian besar perempuan dengan usia rata-rata 45 tahun dan pendidikan sekolah dasar. Tahapan kegiatan meliputi persiapan, pelaksanaan (ToT, pelatihan, dan pembagian paket Budikdamber), pendampingan, keberlanjutan program, dan evaluasi keberhasilan. Evaluasi keberhasilan dilakukan dengan pemberian kuesioner pre test dan post test serta observasi adopsi program. Hasil pengabdian menunjukkan bahwa terjadi peningkatan skor pengetahuan mitra dari 32 (pre test) menjadi 6,97 (post test). Mitra juga telah mampu membudidayakan ikan lele dan kangkung dalam ember dengan bukti setiap ember menghasilkan 8-12 kg lele setelah 1,5 hingga 2 bulan. Pemberdayaan masyarakat melalui Budikdamber secara efektif dapat meningkatkan pengetahuan dan kemmapuan mitra dalam membudidayakan ikan lele dan kangkung dalam ember sehingga diharapkan terjadi peningkatan akses terhadap pangan bergizi secara berkelanjutan. Peningkatan ekonomi lebih lanjut dapat dicapai dengan mengolah produk Budikdamber menjadi makanan bernilai tambah seperti japilus dan nugget. Proyek ini didanai oleh DRTPM Kemendikbud Ristek melalui skema Pemberdayaan Desa Binaan (PDB) dan didukung oleh LP2M-PMP UNSILAbstract: Community empowerment is crucial for improving access to nutritious food and addressing malnutrition. This community service project aimed to improve knowledge and adoption program the cultivation of catfish and water spinach in buckets (Budikdamber) in Tasikmalaya, West Java province. The project involved 100 participants, predominantly women with an average age of 45 years and primary school education. The program phases included preparation, implementation (training of trainers, Budikdamber training, and distribution of Budikdamber packages), mentoring, program sustainability, and evaluation of success. Evaluation of success was carried out by administering pre-test and post-test questionnaires as well as observing program adoption. The results of the service showed that there was an increase in the partner knowledge score from 32 (pretest) to 6.97 (posttest). Partners have also been able to cultivate catfish and water spinach in buckets, with evidence that each bucket produces 8-12 kg of catfish after 1.5 to 2 months Community empowerment through Budikdamber can effectively increase the knowledge and abilities of partners in cultivating catfish and water spinach in buckets so that it is hoped that there will be increased access to nutritious food in a sustainable manner. Further economic improvement can be achieved by processing Budikdamber products into value-added foods such as japilus and nuggets.The project was funded by the DRTPM Kemendikbud Ristek through the Fostered Village Empowerment (PDB) scheme and supported by LP2M-PMP UNSIL.
PEMBERDAYAAN IBU RUMAH TANGGA MELALUI PEMANFAATAN HASIL BUDIKDAMBER MENJADI KUDAPAN KAYA GIZI Hidayanti, Lilik; Puspareni, Luh Desi; Andang, Asep; Nurzaman, Mochamad Herdi; Adiansah, Hamzah; Yusuf, Reyhan Ali; Khairunisa, Lubna Jaudah; Ramdani, Anisa Suci Rahma
JMM (Jurnal Masyarakat Mandiri) Vol 10, No 1 (2026): Februari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v10i1.36637

Abstract

Abstrak: Ibu rumah tangga merupakan pilar utama keluarga yang tidak hanya berperan dalam pengasuhan anak, namun juga berpotensi mendukung ekonomi keluarga. Tujuan program pengabdian masyarakat ini adalah untuk meningkatkan pengetahuan dan kemampuan ibu rumah tangga dalam memanfaatkan hasil budikdamber menjadi kudapan kaya zat gizi. Sasaran dalam kegiatan adalah ibu rumah tangga yang berjumlah 50 orang yang terbagi dalam 10 kelompok dengan masing-masing kelompok berjumlah 5 orang. Lima kelompok merupakan perwakilan dari karang taruna dan 5 kelompok merupakan wakil PKK. Kegiatan meliputi perencanaan (FGD, penyiapan materi, penentuan tim pelaksana), pemberian edukasi, pelatihan dan praktik, pendampingan dan pemantauan serta evaluasi dan tindak lanjut. Evaluasi edukasi dengan kuesioner pre test post test, evaluasi pelatihan dengan unjuk kerja dan mampu membuat kudapan secara mandiri di rumah Hasil FGD diperoleh kesepakatan terkait jadwal, lokasi, dan pembentukan kelompok. Pemberian edukasi menunjukkan ada peningkatan skor pre test (5,7) dan post test (7,5). Setelah pelatihan sasaran mampu membuat secara mandiri kudapan hasil budikdamber. Perlu kegiatan lanjutan terkait Good Manufacturing Product (GMP) serta upaya memperoleh ijin sehingga jangkauan penjualan product menjadi lebih luas. Program pengabdian masyarakat ini didanai oleh DPPM Kemendiktisaintek melalui skema Pemberdayaan Desa Binaan (PDB) dengan dukungan LP2M-PMP UNSIL.Abstract: Housewives are the main pillar of the family, not only playing a role in childcare but also potentially supporting the family economy. The purpose of this community service program is to increase the knowledge and skills of housewives in utilizing the results of budikdamber into nutritious snacks. The target of the activity is 50 housewives divided into 10 groups of 5 people each. Five groups are representatives of youth organizations and 5 groups are representatives of the Family Welfare Movement (PKK). Activities include planning (FGD, preparation of materials, determination of the implementation team), providing education, training and practice, mentoring and monitoring as well as evaluation and follow-up. Evaluation of education using pre-test and post-test questionnaires, evaluation of training through performance and the ability to make snacks independently at home. The FGD results obtained agreement regarding the schedule, location, and group formation. The provision of education showed an increase in pre-test scores (5.7) and post-test (7.5). After training, the target was able to independently make snacks from budikdamber. Further activities related to Good Manufacturing Practices (GMP) and obtaining permits are needed to expand product sales. This community service program is funded by the DPPM Kemendiktisaintek through PDB scheme, with support from the LPPM Universitas Siliwangi.
Analisis Pengaruh Kondisi Infeed Current Terhadap Pembacaan Impedansi Gangguan oleh Distance Relay pada Saluran Transmisi Aminarti, Dhiny; Sutisna, Sutisna; Andang, Asep
Jurnal Litek : Jurnal Listrik Telekomunikasi Elektronika Vol. 23 No. 1 (2026): Jurnal Litek, Maret 2026
Publisher : Jurusan Teknik Elektro Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/litek.v23i1.106

Abstract

Fenomena infeed current  pada saluran transmisi 150 kV GI Sunyaragi–Mandirancan–Arjawinangun telah mempengaruhi akurasi pengukuran impedansi oleh rele jarak secara signifikan. Ketidaktepatan tersebut mengakibatkan kesalahan estimasi titik gangguan yang memicu kegagalan operasi, baik berupa jangkauan kurang maupun jangkauan berlebih pada sistem proteksi. Metode yang diterapkan adalah perhitungan nilai faktor infeed (k) sebagai faktor koreksi kesalahan pembacaan oleh rele jarak pada simulasi gangguan hubung singkat di berbagai konfigurasi jaringan (kondisi infeed current). Hasil analisis menunjukkan bahwa Fenomena underreach (jangkauan jauh) terjadi saat ada pembangkit di GI depan dengan kenaikan impedansi sebesar 65,89% dari kondisi stabil (tanpa infeed) dengan impedansi 1,29 Ω menjadi 2,14 Ω. Kemudian terjadi juga pada perubahan saluran ganda ke tunggal naik 43,41% menjadi 1,85 Ω dari 1,29 Ω, serta pada saat ada perubahan saluran ganda ke ganda naik sebesar 30,23% menjadi 1,68 Ω. Sedangkan, fenomena overreach terjadi pada perubahan saluran tunggal ke ganda yang mengalami penurunan impedansi sebesar 6.20% dari 1,29 Ω menjadi 1,21 Ω. Selain itu, keberadaan pembangkit listrik di gardu induk depan memicu fenomena jangkauan kurang yang paling signifikan dengan kenaikan 151,93% dari impedansi sebenarnya pada kondisi stabil 1,29 Ω menjadi 3,25 Ω, terutama pada gangguan satu fasa ke tanah yang mengalami lonjakan impedansi akibat kontribusi arus urutan nol dari trafo. Dari penelitian ini terbukti bahwa nilai faktor infeed (k) mampu mengoreksi kesalahan pembacaan impedansi oleh rele jarak karena faktor infeed current dengan mengalikan nilai faktor infeed (k) ke impedansi setting zona proteksinya.
Co-Authors Abdul Chobir Aceng Sambas, Aceng Adiansah, Hamzah Agus Purnomo Agus Purnomo Aminarti, Dhiny Andhy Romdani, Andhy Andri Ulus Rahayu Anshary , Muhammad Adi Khairul Anshori, Rizal Aripin Azizah, Faridah Nafa Busaeri, Nundang Chobir, Abdul Chobir, Abdul Dwi Ilham Maulana Farhan Arista Fhadillah Fathurrohman, Fahmi Fhadillah, Farhan Arista Firdaus, Andre Taufik firmansyah maualana sugiartana nursuwars Firmansyah Maulana Fitri Handayani Gustaman, Rian Arie H Aripin Hazbullah, Rifaldi Hidayanti, Lilik Hidayat, Eka Wahyu Ifkar Usrah Ifkar Usrah Imam Taufiqurrahman Khairunisa, Lubna Jaudah Mochamad Herdi Nurzaman Muhammad Aris Risnandar Mulyadi, Zaki Nico Wahyu Ananto Nico Wahyu Ananto Nugraha, Asep Tri Mulyana Nundang Busaeri Nursuwars, Firmansyah Maulana Nurul Hiron Nurul Hiron, Nurul Oryza Sativa Paryono, Ervan Peni Cahyati, Peni Permana, Prama Pratama, Miftahul Huda Priyatna, Rendi Puspareni, Luh Desi Putri Apriliani Tri Santosa Ramdani, Anisa Suci Rahma Rendi Priyatna Rifansyah, Elpan Ahmad Risnandar, Muhammad Aris Rizki Anugrah, Rizki Saputra, Ahmad Ridwan Nur Shofa, Rahmi Nur Siti Badriah Sugiartana Nursuwars, Firmansyah Maulana Sutisna Sutisna Syarif Hidayatullah Usrah, Ifkar Wisnu, Iqbal Fawzi Yanyan Bahtiar Yuningsih, Sari Yusuf, Reyhan Ali Zaki Mulyadi