Abstract
The safety of road vehicles depends on the yaw-roll dynamics. A loss of roll stability results in a rollover accident. Mechanisms to warn against rollover threat and a rollover avoidance control methodology are crucial in designing a successful active safety warning/control system for heavy-duty commercial vehicles. A dynamic rollover metric, Time-To-Rollover (TTR), has become popular in rollover detection. In this paper, the TTR metric is further studied and two extended versions of TTR metrics are proposed for rollover detection. Based on the TTR rollover detection module, a prototype Active Roll Control (ARC) system is designed. Simulation results show that a heavy-duty vehicle's roll stability is considerably improved with the rollover detection and active roll control systems proposed. Heavy-duty vehicle
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