Setting Up and Simulation of SUV Full Vehicle Handling Stability Based on Multibody Dynamics

Using multi-body dynamics technique, a full vehicle multi-body model for a SUV type is set up with ADAMS. A full vehicle handling stability is simulated and analyzed. A back suspension model which is able to describe its elastic deformation is established by the BEAM principle. According to three estimation methods of the open-loop model handling stability, a handling stability simulation is carried out in ADAMS. Simulation for step input in steering wheel, simulation and analysis of stable revolution are performed. The profitable conclusion is obtained. The simulation result indicates that the full vehicle multi-body model has a higher accuracy.