| This thesis fully analyses and researches the control principle, steering property, control method of Four-Wheel-Steering (4WS) and the effect of 4WS system on the operation stability of a vehicle. The control principle and control method of 4WS experiment device are further discussed, and an experiment has been completed.The transferring-function of the experiment device is found out on the basis of data processing data analysis, and the stability analysis is given. A computer simulation is carried out and the simulation result has been analyzed. The simulation result basically accords with theoretical analysisFinally, the thesis reaches a research conclusion and advances the prospect of 4WS research. |
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