Integrated momentum wheel and differential braking control to improve vehicle dynamic performance

Recent studies showed that active yaw moment control is the most effective method to improve the stability and road handling of vehicles. Corrective yaw moment action should be applied to a vehicle in order to improve the vehicle dynamic performance. The corrective yaw moment is directly related to the interaction between the tires and road, which could either be generated directly or indirectly. Subsequently, the performance of the yaw moment control system, in low-friction road conditions, would noticeably be reduced. An innovative method is proposed to generate the corrective yaw moment by utilizing a momentum wheel that works independent of the tire/road interaction. A comprehensive dynamic analysis of this model, when is integrated with a direct yaw moment control system, has been carried out. Computer simulation results for the vehicle model combined with an integrated momentum wheel and differential braking, under different road conditions, are presented.

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