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All Journal Angkasa: Jurnal Ilmiah Bidang Teknologi Jurnal Teknologi dan Manajemen
Satrio Wicaksono
Institut Teknologi Bandung
Computer Science & IT Engineering

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Development of Image Processing & Thermal Camera for Railway Vehicle Bearing Inspection: A Review Hanifar Kahira; F Ferryanto; Satrio Wicaksono
Jurnal Teknologi dan Manajemen Vol 5, No 2 (2024): July
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i2.5948

Abstract

Inspection of the train’s bearings is an important aspect of maintaining the performance and operational safety of the rail transportation system. Bearings act as components that support wheel rotation and transmit loads between the wheels and the axles. The poor condition of bearings can cause operational disruptions, decreased efficiency, and even failures that can endanger the safety of train passengers and personnel. In recent years, the use of thermal camera sensor technology in the inspection of railway bearings has grown rapidly. The thermal camera sensor enables accurate temperature detection and visualization of heat patterns on the bearing surface. Abnormal heating patterns can indicate a problem such as excess friction, wear, or overheating that needs action. In this review paper, the importance of checking bearings on trains, image processing, and object detection technologies in detecting damage, the use of thermal camera sensors in inspections, and the benefits that can be obtained by implementing this technology will be discussed in detail. This study is intended to provide a better understanding of bearing inspection on trains and its contribution to improving the safety and efficiency of the rail transportation system.
Sandwich and Laminated Composite Structures Under Ballistic, Blast and Combined Loading : A Systematic Literature Review Muhammad Abdul Ghofur; Leonardo Gunawan; Satrio Wicaksono; Ditho Ardiansyah Pulungan
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 18, No 2 (2026): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v18i2.3993

Abstract

Lightweight protective structures are increasingly required to resist ballistic penetration, blast impulse, and sequential combined threats. However, evidence on laminated and sandwich composites remains fragmented across threat types, architectures, and testing protocols. This systematic literature review followed Preferred Reporting Items for Systematic Reviews and Meta Analysis (PRISMA) framework, searched Scopus for peer-reviewed journal articles published from 2016 to 2025, and retained 36 eligible quantitative studies from 57 records. The synthesis links structural architecture, dominant failure mechanism and performance metrics across laminates and sandwich systems. Evidence indicates that laminated composites generally provide superior ballistic penetration resistance, whereas sandwich composites offer greater blast mitigation. Hybrid skined sandwich architectures emerge as a promising strategy for combined loading, although standardized validation remains limited. The review contributes an architecture-mechanism-metric framework. Overall, deployable protective systems should be selected by threat specific requirements rather than broad architectural superiority claims.
Co-Authors Ditho Ardiansyah Pulungan F Ferryanto Hanifar Kahira Leonardo Gunawan Muhammad Abdul Ghofur