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All Journal Elkom: Jurnal Elektronika dan Komputer PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pendidikan Teknik Mesin Syntax Literate: Jurnal Ilmiah Indonesia AL-JAZARI JURNAL ILMIAH TEKNIK MESIN PROCESSOR Jurnal Ilmiah Sistem Informasi, Teknologi Informasi dan Sistem Komputer JURNAL PENDIDIKAN TAMBUSAI Journal on Education Mudir : Jurnal Manajemen Pendidikan Jurnal Dinamika Manajemen Pendidikan (JDMP) Jurnal Informasi dan Teknologi MEANS (Media Informasi Analisa dan Sistem) Jurnal Mesin Nusantara International Journal of Engineering, Science and Information Technology Jurnal Sosial dan Teknologi AKM: Aksi Kepada Masyarakat Jurnal WIDYA LAKSMI (Jurnal Pengabdian Kepada Masyarakat) Jurnal Sains dan Teknologi Journal of Technology Research in Information System and Engineering STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Innovative: Journal Of Social Science Research Journal of Economics, Entrepreneurship, Management Business and Accounting JURNAL PENGABDIAN MASYARAKAT AKADEMISI West Science Interdisciplinary Studies Jurnal Kajian Dan Penalaran Ilmu Manajemen Journal of Mandalika Literature West Science Interdisciplinary Studies Indonesia Journal of Engineering and Education Technology (IJEET) Baashima: Jurnal Bisnis Digital, Akuntansi, Kewirausahaan, dan Manajemen Jurnal Pendidikan Teknik Mesin Jurnal Ilmiah Manajemen Dan Kewirausahaan Journal of Islamic Education Jurnal Pengabdian Kepada Masyarakat Indonesia Jurnal Informatika Dan Tekonologi Komputer MUARA EKONOMI : Jurnal Ilmiah Ilmu Ekonomi, Manajemen & Bisnis Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer
Tahir, Abdul
Politeknik Sorowako
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Development of Plastic Shredder Technology to Support Plastic Waste Reduction Harjuma Harjuma; Abdul Tahir; Sirama Sirama; Aswar Aswar
International Journal of Engineering, Science and Information Technology Vol 5, No 1 (2025)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v5i1.643

Abstract

The plastic waste problem in Indonesia has reached a severe level. Data from the National Waste Management Information System shows that Indonesia produces around 17 million tons of plastic waste yearly. However, only approximately 66.47% of this plastic waste undergoes recycling, with the remainder ending up in landfills or polluting the sea. This condition places Indonesia in second place in the world after China in terms of the amount of plastic waste produced, making it a country with a plastic waste emergency. This article discusses the development of plastic recycling machine technology as a solution to overcome the plastic waste problem in Indonesia. With a production of around 17 million tons of plastic waste per year, Indonesia faces significant challenges in plastic waste management. Low efficiency often constrains the effectiveness of plastic recycling as a solution. Therefore, this study aims to design and improve the efficiency of a plastic shredder machine. This machine uses specially designed rotating blade technology to produce high-precision plastic flakes. Additionally, we have updated the transmission system to reduce vibration and implemented other innovations to enhance the machine's capacity to shred various types of plastic. We expect this machine to decrease greenhouse gas emissions from the recycling process and lower operational costs. This study shows that the developed plastic shredder machine can work effectively and efficiently, meeting the research objectives of producing plastic flakes quickly. Thus, we expect this machine to significantly reduce plastic waste in Indonesia and support environmental conservation efforts.
Analisis Komputasional Pola Pelanggaran Mahasiswa Lingkungan Pendidikan Akademi Teknik Vokasi Abdul Tahir; Jasman Jasman
Jurnal Informatika Dan Tekonologi Komputer (JITEK) Vol. 5 No. 2 (2025): Juli : Jurnal Informatika dan Tekonologi Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jitek.v5i2.5898

Abstract

This study analyzed the pattern of student violations at the Vocational Engineering Academy with a total of 5,901 recorded cases. The purpose of the study was to identify the distribution, temporal trends, and factors influencing violations, as well as formulate policy recommendations. The method used is descriptive-quantitative analysis with secondary data, including frequency analysis, categorization, correlation, and visualization using Python (Pandas, NumPy, Matplotlib, Seaborn). The results showed the dominance of verbal violations (85.5%) compared to written violations (14.5%), with the most categories being Other (43.6%), Assignments/Reports (23.9%), and Delays (21.6%). Temporal analysis revealed a pattern of student adaptation: violations were high in the early semester (especially equipment breakdowns and Other categories), decreased in the middle semester, but delays increased in the final semester due to academic load. Other findings showed low violations of Rules of Conduct (6.6%) and Equipment Damage (4.3%), reflecting relatively controlled non-academic discipline. The implications of the study highlight the need for a multi-tiered coaching system, improved task management, digital presence, and revision of breach categorization for data accuracy. Recommendations include the development of an integrated task management platform, academic mentoring programs, time management workshops, and data-driven policy evaluations. This research provides an empirical basis for institutions to design effective violation prevention strategies, especially through preventive approaches and real-time monitoring systems.
Optimasi Pembangkit Hybrid Energi Terbarukan Pada Kampus Vokasi ATS Menggunakan Metode Wild Horse Optimization (WHO) Marliani Marliani; Muhammad Naim; Abdul Tahir
Jurnal Informatika Dan Tekonologi Komputer (JITEK) Vol. 5 No. 2 (2025): Juli : Jurnal Informatika dan Tekonologi Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jitek.v5i2.6322

Abstract

The use of renewable energy sources has become widespread throughout the world as a step to reduce dependence on fossil energy. Hybrid electric power systems that use renewable energy as their base have been adopted as a solution to produce energy efficiently. In this paper, the hybrid system discussed is hybrid PV, wind turbine and battery storage. This hybrid design system is very dependent on the load profile, potential energy sources, and geographical location of the research location. This research discusses the technical design and capital costs of a hybrid electric power system which will be implemented as a practicum alternative energy source on the ATS campus, Sorowako. Irradiance, temperature, average wind speed and component sizing are the main parameters discussed. Design technical and economic analysis (capital cost) using MATLAB software with the wild horse optimization (WHO) algorithm. The results of the WHO analysis will be compared with the analysis of a common optimization method, namely PSO. And the results obtained from the WHO and PSO analyzes are not much different, but the WHO analysis reaches its convergence value faster, namely in the 20th iteration, while the PSO analysis reaches its convergence value in the 40th iteration. The capital cost value obtained by the WHO analysis is $ 198,363.05 with a total of 772 PV units, a total of 1 unit of WT, and a total of 54 batteries.
Co-Authors Abdul Basith Rahman Agus Setiono Ahyar Akib Akib, Akib Amri Yanuar Ana Faizah Anshory, Jamil Ari Purwati Armus, Rakhmad Aswar Aswar Aswar Aswar Awwal Hajarul Tahir Aziz Asmauna Burhanuddin Cindy Sandra Lumingkewas Dewanto Dewanto Didit Yantony Duddy Arisandi Edi Rande Padang Eldo, Handry Esti Susiloningsih Fadli Agus Triansyah Fatma Sarie Ferry Anggriawan Fitri Rezeki Fitriana Firdaus Hamarung, Mukhis A. Harjuma Harjuma Harman , Harman Harman, Harman Hendriyanto, Donny Ikhsan Amar Jusman Ilham Arief Irdam Irdam Irdam Irdam Irdam Irdam, Irdam Israkwaty Israwaty Israwaty Iwan Asmadi Jasman Jasman Jasman Jasman Jemmy, Jemmy Kushariyadi Kushariyadi Kushariyadi Kushariyadi Made Ayu Anggreni Marliani Marliani Mohzana Muhammad Ade Kurnia Harahap Muhammad Ardhya Bisma Muhammad Naim Mukhlis Mukhlis Musakirawati Musakirawati Musakirawati Musakirawaty Najaz Shidiq Octiva, Cut Susan Pahrijal, Rival Rahayu Ahsari Retno N. Whidhiasih Rival Pahrijal Rofiq Harun Safarudin, Muhamad Sigid Sarie, Fatma Simon Parekke Simon Parekke Simon Simon Sirama , Sirama Sirama Sirama Sirama Sirama Sirama Sirama Sirama, Sirama Sudadi Tri Satriawansyah Tungga Bhimadi Uli Wildan Nuryanto Yantony, Didit Yoiceta Vanda, Yoiceta