新型谐波齿轮主动转向系统性能的仿真研究

Study on the Performance Simulation of a New Type of Harmonic Gear Active Steering System

为了提高整车的操纵安全性,从转向系统的改进出发,用谐波齿轮作为主动转向系统的核心部件实现改变转向系统传动比的功能。根据谐波齿轮主动转向系统的结构原理建立相关数学模型,采用电机电压控制方法与PID控制方法对系统进行控制,在Simulink中建立整体仿真模型进行仿真研究。结果表明,车辆在低速时转向响应较快、高速时转向响应较慢,实现了车辆低速转向轻便灵活、高速转向稳定的效果。

In order to improve the control of the vehicle safety,starting from the improvement of steering system,by using harmonic gear as the core component of the active steering system,the function of changing steering gear ratio is realized.According to the structure principle of the active steering system,the relevant mathematical model is established,the motor voltage control method and PID control method are used to control the system.The whole simulation model is established for the simulation research in simulink.Results show that the vehicle steering response faster at low speed and response slower at high speed,the flexible and convenient at low speed and stability at high speed for steering is implemented.