Investigation of Active Steering/Wheel Torque Control at the Rollover Limit Maneuver
Date Published: 2004-05-04
Paper Number:2004-01-2097
DOI: 10.4271/2004-01-2097
Citation:
Shim, T. and Toomey, D., "Investigation of Active Steering/Wheel Torque Control at the Rollover Limit Maneuver," SAE Technical Paper 2004-01-2097, 2004, doi:10.4271/2004-01-2097.
It is well understood that driver's steering input strongly affects lateral vehicle dynamics and excessive steering command may result in unstable vehicle motion. In a certain driving condition, it is possible for a skilled driver to prevent vehicle rollover with better perceptive capability of judging conditions and responding faster with smooth compensatory actions. This paper investigates the possibility of using active steering and wheel torque control to assist drivers in avoiding vehicle rollovers in emergency situations. The effectiveness of steering control alone and combination of steering/wheel torque control in recovery from unstable vehicle roll condition was demonstrated through simulation of both low and high vehicle speeds.
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