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Implementasi Prinsip Kerja Generator pada Alat Peraga Program Eduwisata di Pos Konservasi Energi Taman Rekreasi Sengkaling Universitas Muhammadiyah Malang: Implementation of the Generator Working Principle in the Props of the Eduwisata Program of Taman Rekreasi Sengkaling Universitas Muhammadiyah Malang in Energy Conservation Station Rahmandhika, Andinusa; Mokhtar, Ali; Astuti, Ary Dwi; Zakaria, Arie
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 4 (2026): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v11i4.11604

Abstract

Taman Rekreasi Sengkaling (TRS) is a business unit owned and managed by Universitas Muhammadiyah Malang (UMM). It provides entertainment and educational (eduwisata) facilities for visitors. Students' use of the props in the Energy Conservation Station TRS UMM prompted the need for repair and maintenance. Therefore, some of the materials that need props cannot be practiced. Moreover, knowledge on energy has been developed that TRS UMM requires another prop for the eduwisata program in Energy Post. Therefore, the problem faced by TRS UMM, especially in Energy Post, is the need for additional props to serve as facilities for the eduwisata program for visitors. The solution offered to this problem is to provide this facility with props for the Energy Conservation Station TRS UMM. The props were designed to develop energy knowledge, especially for students' learning, as they aim to help students apply and practice the concepts they learned at school. The design of the props began with building the design and defining the working principle. It was tested before it was applied at Energy Post TRS UMM.
Analysis of a friction buffer stop as an enhancement of safety systems on railway testing tracks Andinusa Rahmandhika; Muhammad Choirul Insan; Budiono Budiono; Ali Mokhtar; Karisma Rizal
Journal of Energy, Mechanical, Material, and Manufacturing Engineering Vol. 11 No. 1 (2026)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v10i2.44701

Abstract

The use of safety equipment in the railway sector is crucial, particularly when navigation system failures occur. One such aid used when a train fails to stop is the buffer stop. Friction buffer stops are a type of buffer stop that can absorb large amounts of kinetic energy, enabling efficient and safe deceleration. Although it has been widely implemented in railway systems, few studies have evaluated its energy absorption capability and deceleration characteristics specifically on railway test tracks. This study aims to evaluate the absorption of kinetic energy by the buffer stop during train collisions and ensure the deceleration rate meets the standard of ≤ 2.5 m/s². This study used an analytical calculation method based on friction buffer stop design equations, ISO 898-1 bolt standards, and kinetic energy-deceleration analysis. The results of the study show the relationship between kinetic energy, deceleration rate, and braking distance, as well as the influence of bolt size and material grade on the friction force in the braking jaws. The deceleration rate meets the requirements; the braking distance is ≤ 11 meters, and the kinetic energy is well absorbed by the buffer stops.