Today, no huge improvement for the automobile or airplane is in sight, and the major struggle is to limit their pollution, not to vastly improve their capabilities.
With the improvement of automobile electrical degree, more and more people begin to pay attention to the fault diagnosis methods and theories of electrically controlled system.
随着汽车电子化程度的日益提高，汽车电控系统的故障诊断方法和理论受到了越来越广泛的关注。
3
With the great improvement of the computer technique and the maturation of the multi-body dynamics, the multi-DOF of the automobile model was presented and the simulation results were more accurate.