Considering that in some cases we can focus the discussion on one side of a pair of solution,the one side stability and one side asymptotical stability criterion theorem is obtained by modifying the conditions of Liapunov theorem.

Simulation and analysis of roll stability for heavy tractor semi-trailers;

The research sets up a heavy tractor semi-trailer dynamic model and puts forward an active roll control algorithm based on optimal control for the vehicle roll stability control.

The research was made for setting up dynamic model of heavy tractor semi-trailers,inclusive of simulating roll stability with the steering step input.

Virtual test study on automobile cross-wind stability in ADAMS/Car

A multi-body dynamics model is developed to study the cross-wind stability based on the factorial design theory.

<Abstrcat>This paper presents a detailed analysis of the four stages of cross-wind sensitivity tests by means of the theory of automobile cross-wind stability.

Combined with vehicle handling dynamics, it also promotes dynamics simulation on crosswind stability in high speed.

Through the study on crosswind stability test, this paper aims to search for an effective method of virtual test in order to provide theoretical evidence in improving handling stability of highspeed automobile as affected by crosswind.