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基于转向阿克曼原理,在假定汽车前轮定位角都等于零,轮胎为绝对刚体,汽车以低速转弯行驶的前提下,通过建立汽车转向机构的平面数学模型,提出了左右转向理论特性线和转向理想椭圆的概念,并推导论证其合理性。为汽车纯滚动转向研究和转向梯形机构校核提供了一种新思路,可以更准确地评判汽车纯滚动转向品质,也为转向机构几何尺寸的设计提供了新的参考依据。
Based on the steering Ackerman principle, on the premise that the vehicle front wheel orientation angle is equal to zero and the tire is absolutely rigid and the car is traveling at a low speed, a theoretical mathematical model of the steering direction of the steering wheel is proposed by establishing a plane mathematical model of the steering mechanism of the vehicle The concept of ideal ellipse, and deduced to demonstrate its rationality. It provides a new idea for the study of pure rolling steering and steering trapezoid checking. It can judge the pure rolling steering quality of the car more accurately and also provides a new reference for the design of the steering mechanism geometry.