Analytic and Simulation Based Modeling of Vehicle Lateral Stability and Handling for Double Lane Change (DLC) Maneuvering

Mohammad Aligholizadeh


In this paper, some stability aspects of lateral motion of a vehicle are presented. In this manner, analytic and simulation based modeling of vehicle lateral stability and handling for double lane change (DLC) maneuvering are covered. It is shown that vehicle stability depends on several parameters. Therefore, a certain initial state condition and a constant steering angle are assumed. A mathematical model of the vehicle stability based on a 3 DOF model is also presented considering yaw and roll is presented. CarSim software is applied to further verify the DLC model of the objective vehicle (i.e. SUV). The results showed that for the DLC maneuvering condition, the cornering direction affects the lateral slip product too. The maximum and minimum value of lateral slip variations vary within the range of ± 30 degree. Also it was concluded that the steering angle limit variation lie within the range of ±400 degree. 

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