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Automotive Experiences
Published by Universitas Muhammadiyah Magelang
ISSN : 26156202     EISSN : 26156636     DOI : 10.31603/ae
Core Subject : Science, Engineering,
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Mechanical Engineering
Automotive experiences invite researchers to contribute ideas on the main scope of Emerging automotive technology and environmental issues; Efficiency (fuel, thermal and mechanical); Vehicle safety and driving comfort; Automotive industry and supporting materials; Vehicle maintenance and technical skills; and Transportation policies, systems, and road users behavior.
Arjuna Subject : Teknik (semua kategori) - Teknik Otomotif
Articles 272 Documents
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Assessment of Ride Comfort Enhancement in a Full Vehicle Active Suspension System Using Sliding Mode and Fuzzy Logic Control Al-Tamimi, Asma; Al-Jarrah, Ahmad; Salah, Mohammad; Banihani, Suleiman; Mutawe, Samer
Automotive Experiences Vol. 9 No. 2 (2026)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.16114

Abstract

Vehicle suspension systems play a crucial role in ensuring ride comfort, stability, and safety under varying road conditions. While conventional passive suspensions offer limited adaptability, active suspension systems dynamically regulate actuator forces to counteract road-induced disturbances and improve overall performance. This paper introduces and comparatively evaluates two control strategies, sliding mode control and fuzzy logic control, for a full-vehicle active suspension system, aiming to achieve vibration suppression and ride comfort enhancement. Comprehensive simulations were performed in MATLAB/Simulink environment under three severe deterministic road-disturbance profiles with amplitudes ranging from −15 cm to +20 cm. The results demonstrate that both controllers effectively suppress full-vehicle vibrations under challenging road disturbances. Using SMC as the comparative reference, FLC achieved up to a 69.5% reduction in maximum vertical displacement and a 97.5% reduction in peak vertical acceleration, while maintaining a steady-state tracking error below 0.89 cm and comparable control effort. The study’s key contribution lies in demonstrating the superior vibration-suppression and ride-comfort performance of FLC relative to the implemented SMC in a full-vehicle active suspension system.. The large reduction in peak acceleration is mainly associated with the smoother control action of FLC compared with the switching-induced acceleration fluctuations of the implemented SMC. The main contribution of this study is a systematic comparative assessment of decentralized SMC and FLC under identical coupled full-vehicle suspension dynamics and severe asymmetric road disturbance.
Comparative Fatigue Failure Analysis of Axle Shafts in Two Front Wheel Drive Vehicles Çengelci, Emin; Yalçın, Arif Hakan; Şimşir, Ercan; Baraz, Murat; Yavuz, İbrahim
Automotive Experiences Vol. 9 No. 2 (2026)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.17049

Abstract

Axle shafts are critical components of vehicle powertrain systems, providing torque and load transfer between the differential system and the wheels. Common causes of axle shaft failures include manufacturing and design defects, lack of maintenance, raw material-related problems, material processing errors, and user-induced effects. In this study, damage and fracture analyses were performed on broken front axle shafts from two different automobiles. It was determined that the examined axle shafts separated into two pieces under service conditions. The aim of the study is to determine the failure mechanism of the broken front axle shafts and to reveal the factors contributing to the damage through detailed fracture analyses. In this context, chemical composition analysis, metallographic examinations, hardness measurements, scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX) analyses were performed. The results obtained showed that axle shaft fractures are primarily related to fatigue damage developing under cyclic loads, and that cross-sectional changes and notch effects play a significant role in crack initiation and propagation.

Page 28 of 28 | Total Record : 272

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