Effect of Anti-Roll Bar on Rollover Threshold of a Three Wheeled Vehicle

Raja Amer Azim, Muhammad Haider, and Waheed Ul Haq Syed


Three wheeled vehicle, rollover, anti-roll bar


Three wheeled vehicles (TWV) are a common low cost mode of transport in the Asian Subcontinent, Africa and South America. It is very prone to rollover in turns even at moderate speeds. Recently anti-roll bars (ARB) have been installed claiming increase in rollover thresholds for (one front two rear) 1F2R wheel configuration. Roll moment is resisted at the rear axle only. Rear Axle installed ARB typically increases over-steer tendency. In the current study a Six degrees of freedom model is used to investigate the effect of ARB stiffness on the rollover threshold.

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