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All Journal Jurnal Elektro dan Teknologi Informasi Scripta Technica: Journal of Engineering and Applied Technology
Muh Amirudin
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISIS PERBANDINGAN DESAIN PEMBANGKIT TEGANGAN SYSTEM DC TO DC CONVERTER DAN KONVENSIONAL: Muhammad Amir Maruf, Muh Amirudin, Margono Muhammad Amir Maruf; Muh Amirudin; Margono Margono
JETI (Jurnal Elektro dan Teknologi Informasi) Vol. 2 No. 2 (2023): OKTOBER
Publisher : Program Studi Teknik Elektro Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jeti.v2i2.310

Abstract

Terkait perkembanganya terdapat dua system yang digunakan sebagai pembangkit listrik DC yaitu system konvensional dan DC to DC converter, dari permasalah tersebut yang menjadi latar belakang dibuatnya analisis perbandingan desain pembangkit tegangan antara kedua system. Pengujian dilakukan pada Output keluaran masing-masing system pada tegangan 200 Volt DC, dengan pengujian beban 200 Ohm hingga 10 kOhm, system DC to DC converter mengunakan inverter dengan output 20KHz, dan system konvensional mengunakan transformator daya. Kesimpulan dari study kasus didapatkan bahwa system DC to DC converter memiliki efisiensi lebih bagus 59% dengan ripple tak tampak sedangkan konvensional memiliki efisiensi 31% dengan ripple tegangan 0,8%.
Analisis Akar Masalah Noise pada Instrument Panel (Dashboard) Kendaraan Menggunakan Pendekatan Why-Why Analysis dan Fishbone Diagram Sifha Awaludin; Muh Amirudin; Yudi Prastyo
Journal of Engineering and Applied Technology Vol 1 No 2 (2025): December: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/t7frmw90

Abstract

Noise issues in vehicle instrument panels remain a critical challenge in automotive interior quality, particularly in the form of rattle and squeak phenomena that affect customer perception and product reliability. This study examines the root causes of instrument panel noise through an integrated application of Why-Why Analysis and Fishbone Diagram. The research is based on an in-depth analysis of documented manufacturing practices, dimensional variability, material behavior, and assembly conditions commonly encountered in automotive production. The findings indicate that noise generation is primarily driven by inconsistent dimensional gaps resulting from process variability rather than design deficiencies alone. Why-Why Analysis reveals that inadequate fixture maintenance, inconsistent adherence to standard operating procedures, and limited sensitivity in quality control systems represent the most dominant root causes. The Fishbone Diagram further demonstrates how human factors, equipment condition, material characteristics, measurement limitations, assembly methods, and environmental conditions interact to amplify noise risks. By combining both analytical approaches, the study provides a comprehensive understanding of the mechanisms behind instrument panel noise and highlights the importance of holistic process control and continuous improvement strategies to achieve sustainable NVH performance.    
Co-Authors Margono Margono Muhammad Amir Maruf Sifha Awaludin Yudi Prastyo