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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Rollover Prevention Based on the Relation between Motion and Position of the Center of Gravity
Kailun Yu and Yutaka Watanabe
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DOI:10.17265/2328-2142/2026.02.001
Department of Logistics and Information Engineering, Tokyo University of Marine Science and Technology, Tokyo 1358533, Japan
Rollover is a serious kind of road accident. Such accidents frequently happen on sections of curved roads because of the external lateral force: centrifugal force. High COG (center-of-gravity) objects such as trucks and SUVs (sport utility vehicles) are more prone to rollover. This research specifically examines the relation between motions and the COG position. The height and the maximum height of COG are calculated using natural motion frequencies of a moving object, based on the method using D3DCG (detection of the three-dimensional center of gravity). Furthermore, the maximum lateral force the vehicle can withstand without rolling over can be calculated. It is the rollover criterion. Because of the different structures of vehicles, the rollover criterion is considered from two perspectives: natural vibration and geometric structure. Rollover prevention is achieved by comparing the real-time lateral force acting on a vehicle with the rollover criterion. A system to ascertain the autonomous cornering at the fastest speed that does not result in a rollover is created. The accuracy of this system is proved by experimentation with a remote-controlled car. Furthermore, the experiment demonstrates the possibility of applying this technology to autonomous driving.
Center of gravity, rollover prevention, trucks and SUVs, road accidents, traffic safety
Kailun Yu and Yutaka Watanabe. (2026). Rollover Prevention Based on the Relation between Motion and Position of the Center of Gravity, Journal of Traffic and Transportation Engineering 14 (2026) 47-57
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