轮胎侧偏非稳态特性测量方法研究

Study on the Measurement Method of Tire Side Slip Non-Steady Characteristic

通过建立大地坐标系与轮胎相对坐标系分析了轮胎在小侧偏角输入下的非稳态特性,引入轮胎侧向松弛长度的概念,结合理论分析和试验台及轮胎模型坐标系的关系对轮胎侧向松弛长度的几种测量方法进行了逐一分析研究,通过与理论刚度测量方法进行比较,验证提出的轮胎松弛长度测量方法的准确性。

This paper analyzed the tire non-steady characteristic in small slip angle input condition by establishing ground and tire relative coordinate system. Tire relaxation length conception was introduced and the measurement method of tire lateral relaxation length through analyzing the relationship between tire test platform and tire model coordinate system was concluded. Through the comparasion with traditional stiffness measurement method,the new measurement method of tire lateral relaxation length is validated.