车体侧倾的主动控制研究

研究车体侧倾的主动控制技术 .基于为后轴分配较大的侧倾刚度可以改善轨迹跟踪能力和提高操纵稳定性的理论 ,通过建立 8自由度汽车模型 ,应用前馈反馈控制策略 ,控制横向载荷转移在前后轴上的分配 .恒定转向角工况和紧急制动 转向联合工况的仿真计算结果表明 ,该控制策略能有效地减小侧倾角 ,提高车辆的舒适性、操纵稳定性和安全性 .

Simulation Study on Active Roll Control of Vehicles

The effects of active control on the vehicle roll were studied. Based on the theory that distributing the greater roll stiffness to the rear axle can improve tracking trajectory capacity and increase maneuver stability, an eight degrees of freedom vehicle model was established and feedforward feedback control strategy was devised to control distribution of lateral load transfer on the front axle and the rear one. Simulation results showed that the proposed control strategy can improve comfort, maneuver stability and safety effectively.