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Rahman, Haolia
Politeknik Negeri Jakarta
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Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
Performance analysis of 3D assets in virtual reality simulations for climate change: a case study in sustainable energy systems Miranto, Cahya; Firmanda, Ardiman; Rante, Hestiasari; Sukaridhoto, Sritrusta; Agus Zainuddin, Muhammad; Rahman, Haolia
Bulletin of Electrical Engineering and Informatics Vol 14, No 5: October 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i5.9532

Abstract

This study investigates the performance impact of 3D assets in a virtual reality (VR) simulation designed for climate change education, aiming to balance visual fidelity and system efficiency on standalone headsets. Using a case study modeled on a sustainable energy environment, key performance metrics frames per second (FPS), triangle count, and draw calls were measured to assess the effect of object density, material transparency, and batching strategies. Experimental results show that configurations with 20 trees and 20 characters maintained 101 FPS, while denser scenes with 30 trees and 30 characters dropped to 79 FPS approaching the minimum usability threshold for VR. Transparent tree foliage with alpha-cutout materials imposed higher graphics processing unit (GPU) loads than high-triangle opaque character models, highlighting the performance cost of material complexity. These findings offer practical guidelines for optimizing asset configurations in immersive educational VR content. Future work may explore integration of artificial intelligence (AI) behavior and user interaction to assess broader system performance.
Co-Authors Adhi, Pribadi Mumpuni Agus Sukandi Agus Zainuddin, Muhammad Ainun Nidhar, Ainun Alfi Hidayat Hutasuhut Arnas Arnas, Arnas Bahar UDIN Bel, Belyamin Belyamin Belyamin Candra Damis Widiawaty, Candra Damis Devi Handaya Fauzan Firmanda, Ardiman Hamdi Hamdi Handaya, Devi Isnanda Nuriskasari Iwan Susanto Kamal, Dianta Mustofa Miranto, Cahya Nasruddin Nasruddin Noor Hidayati Paulus Sukusno Pramono, Agus Edy Ramadhan, Mochammad Tendi Noer Ramadhani, Anisa Rante, Hestiasari Remon Lapisa Rosidi Sugeng Mulyono Tatun Hayatun Nufus teguh budianto