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All Journal Mechanical Engineering for Society and Industry Automotive Experiences
Muchamad Gozali
Agency for the Assessment and Application of Technology, Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : mechanical engineering for society and industry

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Comprehensive Analysis of Minibuses Gravity Center: A Post-Production Review for Car Body Industry Djoko Wahyu Karmiadji; Muchamad Gozali; Muji Setiyo; Thirunavukkarasu Raja; Tuessi Ari Purnomo
Mechanical Engineering for Society and Industry Vol 1 No 1 (2021)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (838.116 KB) | DOI: 10.31603/mesi.5250

Abstract

The center of gravity (CoG) on the minibus is one of the fundamental parameters that affect the operation of the vehicle to maintain traffic safety. CoG greatly affects vehicle maneuverability due to load transfer between the front and rear wheels, such as when turning, braking, and accelerating. Therefore, this research was conducted to evaluate the operational safety of minibusses produced by the domestic car body industry. The case study was conducted on a minibus with a capacity of 30 passengers to be used in a mining area. Investigations on CoG were carried out based on the minibus specification data, especially the dimensions and forces acting on the wheels. Minibusses as test objects were categorized in two conditions, namely without passengers and with 30 passengers. The test results are expressed in a coordinate system (x, y, z) which represents the longitudinal, lateral, and vertical distances to the center of the front wheel axle. CoG coordinate values ​​without passengers are (2194.92; 7.11; 1327.97) mm and CoG coordinates with full passengers (30 people) are (2388.52; 13.04; 1251.72) mm. The test results show that the change in CoG at full load is not significant which indicates the minibus is safe when maneuvering under normal conditions.
Co-Authors Anwar Anwar Hedi Purnomo Karmiadji, Djoko Wahyu Muji Setiyo Ramli Junid Thirunavukkarasu Raja Tuessi Ari Purnomo