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All Journal JMPM (Jurnal Material dan Proses Manufaktur) INAQUE: Journal of Industrial & Quality Engineering
Hermawan, Aldi Henda
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Computer Science & IT Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISIS KEGAGALAN TRANSFOMER RECTIFIER UNIT 3 PADA PESAWAT BOEING 737-200 DENGAN METODE FMEA Setiawan, Ferry; Alkhalif, Farhan; Hermawan, Aldi Henda
Inaque : Journal of Industrial and Quality Engineering Vol 13 No 1 (2025): Inaque April 2025
Publisher : Teknik Industri Unikom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/iqe.v13i1.13959

Abstract

Sistem kelistrikan pesawat memiliki peran penting dalam menjamin keselamatan dan kelancaran operasi penerbangan, salah satunya melalui Transformer Rectifier Unit 3 (TRU-3) yang bertugas mengubah arus AC menjadi DC. Kegagalan pada komponen ini dapat berdampak langsung terhadap sistem standby power pesawat. Penelitian ini dilatarbelakangi oleh pentingnya keandalan TRU-3 dalam sistem kelistrikan pesawat Boeing 737-200, terutama dalam kondisi darurat. Rumusan masalah membahas penyebab kegagalan TRU-3, bagaimana dampaknya, serta bagaimana metode perawatan dan penanganan yang tepat. Penelitian ini menggunakan metode kualitatif deskriptif dengan pendekatan Failure Mode and Effect Analysis (FMEA) sebagai teknik analisis data untuk mengidentifikasi potensi kegagalan, menghitung Risk Priority Number (RPN), dan menentukan prioritas perawatan. Pengumpulan data dilakukan melalui wawancara, studi pustaka, serta pengamatan langsung pada sistem TRU-3. Hasil penelitian menunjukkan bahwa penyebab utama kegagalan TRU-3 meliputi under voltage, over voltage, over current, dan over temperature, dengan nilai RPN tertinggi pada under voltage. Perawatan dilakukan secara preventif (C-check) dan korektif melalui penggantian unit. Penelitian ini menegaskan pentingnya analisis kegagalan berbasis FMEA untuk menjaga keandalan sistem kelistrikan pesawat.
Comparative Structural Analysis of 3D-Printed PLA and ABS for Flexible Quadcopter Airframe Extensions Widyanto, Dwi; Lengari, Andre B Sjukur; Hermawan, Aldi Henda; Wicaksono, Dhimas; Setiawan, Ferry
JMPM (Jurnal Material dan Proses Manufaktur) Vol. 10 No. 1 (2026): June
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jmpm.v10i1.31607

Abstract

This study evaluates the structural performance of a 3D-printed Quadcopter Airframe Extension, focusing on optimizing payload capacity and flight efficiency through cost-effective additive manufacturing. To ensure computational efficiency for macro-scale assessment, the finite element analysis (FEA) model treats the 3D-printed filaments as homogeneous solid bodies with isotropic elastic properties. The simulation setup applies a fixed boundary condition at the four motor mounts to simulate thrust reaction points, while incremental vertical payloads from 1 kg to 16 kg are distributed evenly across the landing gear skids. The analysis measured von Mises stress distribution and Safety Factor (SF) to ensure reliability against potential dynamic flight maneuvers, applying a minimum safety factor of 3. While both materials remained within their elastic regions, PLA demonstrated superior mechanical properties. PLA maintained a safety factor of 3.11 at a maximum 16 kg load, whereas ABS reached a comparable safety factor (3.24) only up to an 11 kg load. The results indicate that PLA's higher stiffness and superior interlayer adhesion provide better dimensional stability and lower deformation. Consequently, PLA is more suitable for flexible drone extensions, offering a greater safety margin under equivalent static loading constraints. Ultimately, this research validates homogeneous macro-scale FEA as an essential engineering tool for reducing prototype risks and development costs in UAV design.
Co-Authors Alkhalif, Farhan Ferry Setiawan Lengari, Andre B Sjukur Wicaksono, Dhimas Widyanto, Dwi