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All Journal Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) Jurnal PkM (Pengabdian kepada Masyarakat) Journal of Fuzzy Systems and Control (JFSC)
Muhammad Hamka Ibrahim
Universitas Sebelas Maret
Arts Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Social Sciences

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Pelatihan Desain Dan Internet Untuk Mewujudkan Desa Berliterasi Digital Sutrisno Sutrisno; Muhammad Hamka Ibrahim; Subuh Pramono; Meiyanto Eko Sulistyo; Febri Liantoni
Jurnal PkM (Pengabdian kepada Masyarakat) Vol 6, No 2 (2023): Jurnal PkM: Pengabdian kepada Masyarakat
Publisher : Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/jurnalpkm.v6i2.8673

Abstract

Saat ini dunia sudah berada pada era digital dan revolusi industri 4.0, yang berhubungan dengan Internet dan teknologi digital. Kemajuan teknologi informasi dan komunikasi (TIK) yang pesat khususnya internet menjadikan pekerjaan lebih ringan. Dengan kemampuan penggunaan teknologi informasi dan dipadukan kesadaran literasi di era digital maka masyarakat akan mampu menggunakan TIK untuk hal-hal yang positif dan bermanfaat serta terhindar dari hal-hal yang negatif. Namun banyak masyarakat yang belum bisa menggunakan TIK seperti membuat dokumen, desain dasar, dan pemakaian internet. Untuk itu perlu digencarkan pelatihan-pelatihan TIK untuk masyarakat. Pelatihan ini berkerjasama dengan Yayasan Hubbul Khoir yang terletak di Dukuh Ngentak, Bulakrejo, Sukoharjo. Pada pelatihan desain dengan menggunakan aplikasi Inkscape. Aplikasi Inkscape dipilih karena aplikasi ini gratis dan sangat popular untuk saat ini. Pelatihan desain ini telah terlaksana pada tanggal 12-16 September 2020. Karena masih pandemic Covid-19, pelatihan diadakan secara online lewat Whatsapp, Telegram dan Zoom. Peserta menjadi paham dan mengetahui seluk beluk internet dan penggunaan desain sesuai dengan modul/ materi yang telah diberikan.
A Multi-Channel Wavelet Long Short-Term Memory Framework for Early Wheel Slip Detection in Urban Light Rail Transit Yulian Lingga Permana; Muhammad Hamka Ibrahim; Hari Maghfiroh
Journal of Fuzzy Systems and Control Vol. 4 No. 2 (2026): Vol. 4 No. 2 (2026)
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v4i2.419

Abstract

This paper presents an integrated framework combining Continuous Wavelet Transform (CWT) with multi-stream Long Short-Term Memory and Multi-Layer Perceptron (LSTM+MLP) networks for early wheel slip detection in urban Light Rail Transit (LRT). Conventional Wheel Slip Protection (WSP) systems rely on static thresholds applied to axle speed differences, resulting in detection latency that impacts wheel-rail wear and operational disruptions. Three methodological contributions are proposed: (i) a five-channel CWT feature extraction strategy that leverages the structural hierarchy of LRT trainsets consisting of motor car with cabin (MC), motor car (M), and trailer car (T); (ii) a conventional ground truth labeling workflow using Slip/Slide Status signals as a reference, eliminating expert annotation bias; and (iii) the first distance-based spatial slip hotspot mapping integrated with model prediction for the Jakarta LRT line. The framework is validated on a 50-minute operational dataset consisting of 93,755 time steps with a resolution of 32 ms, collected from the LRT and synchronized via Dynamic Time Warping using 47 Train Control and Management System (TCMS) variables with three different sampling rates. Statistical analysis confirms that the motor-trailer speed difference channel achieves a Cohen's d of 1.615 with a Kolmogorov-Smirnov p < 0.001 test between normal and slip distributions. The integrated LSTM+MLP model achieves an F1 score of 0.9272, an AUC of 0.9958, and a median early detection margin of 1.152 seconds before conventional WSP activation, with 100% of test events detected earlier than the conventional system. Complementary spatial mapping derived from a larger multi-train dataset containing 5,948 events identified 414 high-risk zones along the LRT track, supporting predictive WSP threshold modulation and maintenance scheduling that takes rail wear into account.
Investigation of Cellular Base Transmitter Station Power Radiation using Spectrum Analyzer Muhammad Hamka Ibrahim; Subuh Pramono
Journal of Electrical, Electronic, Information, and Communication Technology Vol 4, No 1 (2022): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.4.1.57133

Abstract

The development of information and communication technology has spurred the development of the world of telecommunications. The development of telecommunications can be seen from the number of cellular service users supported by technological infrastructure in the form of BTS (Base Transmission Station). But in its development, there are social problems in the form of resistance from the community around BTS, one of the things that people worry about is the danger of radiation from BTS. This could be due to a lack of socialization and knowledge from the community. This study aims to provide education as well as quantitative evidence regarding radiation from BTS in Bulakrejo which is compared with safety standards from International Commission on Non-Ionizing Radiation Protection (ICNIRP) and Ministry of Communication and Information Indonesia. The result of investigation shows that received Power Radiation in near Base Station is safe according to regulatory standard.  
Co-Authors Febri Liantoni Hari Maghfiroh Meiyanto Eko Sulistyo Subuh Pramono Sutrisno Sutrisno Yulian Lingga Permana