Analytical Design of an Ackermann Steering Linkage
Analytical Design of an Ackermann Steering Linkage
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DOI：
10.1115/1.4008225
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发表时间：
1959-02
期刊：
影响因子：
--
通讯作者：
W. A. Wolfe
中科院分区：
文献类型：
--
作者：
W. A. Wolfe
概述了一种用解析方法确定阿克曼转向连杆机构尺寸的方法。推导了汽车前轮转角之间的理论关系式，并用对称四杆机构来表示这种关系。方法简要如下：推导出四杆机构转角之间的基本关系，并用理论上正确的转角关系将四杆机构方程表示为一元函数。如果通过适当调整系数，在适当的车轮转角范围内，导出的方程可以等于零，那么系数的大小将决定连杆的物理尺寸。所示的方向解似乎不可能，所以通过将导出的方程表示为幂函数并调整该级数的系数，从而使低阶项之和偏离零的程度最小，从而得到近似解。
A method is outlined whereby the dimensions of an Ackermann steering linkage may be determined analytically. The theoretical relation between the angles of rotation of the front wheels of a vehicle is derived and it is shown how this relation may be approximated by a symmetrical four-bar linkage.The method is briefly as follows:The basic relation between the angles of the four-bar linkage is derived and the theoretically correct relation between the angles is used to express the four-bar linkage equation as a function of one variable. If this derived equation can be made equal to zero for a suitable range of wheel-turning angle by proper adjustment of the coefficients, then the magnitudes of the coefficients will determine the physical dimensions of the linkage.A direction solution as indicated does not seem possible so an approximate solution is developed by expressing the derived equation as a power series and adjusting the coefficients of this series so that the sum of the lower order terms deviates the least from zero.