基于路面附着系数曲线的最佳滑移率计算方法

Control method of ABS based on adhesion coefficient-slip curve

滑模控制应用于ABS系统中可较好地跟踪任意指定滑移率,但最佳滑移率却随着路面情况而变化。从单轮制动时动力学模型着手,提出了基于附着系数曲线求取最佳滑移率的防抱死制动方法,间接实现了滑模控制器对最佳滑移率的跟踪控制,并通过计算机仿真,验证了此方法的可行性和有效性。

The slide mode control is good at tracking some reference input wheel slip in ABS,but the optimal wheel slip is influenced by the condition of the road.A method to find the optimal wheel slip based on the adhesion coefficient-slip curve is developed for single wheel vehicle dynamics model.So the track of the optimal wheel slip can be realized.The feasibility and effectiveness of this method is verified by simulation.