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11. 发明授权

US5316098A System for steering rear wheels of an automotive vehicle 失效
标题翻译：用于转向机动车辆后轮的系统
公开(公告)号：US5316098A
公开(公告)日：1994-05-31
申请号：US856697
申请日：1992-03-24
申请人： Ryuya Akita , Shigefumi Hirabayashi
发明人： Ryuya Akita , Shigefumi Hirabayashi
IPC分类号： B62D6/00 , B62D7/15 , B62D101/00 , B62D113/00 , B62D137/00 , B62D5/06
CPC分类号： B62D7/1518 , B62D7/159
摘要： A system for steering a rear wheel of a vehicle having a mechanism for altering a steering ratio, .THETA.S, based on an amount of steering of the rear wheel to an amount of steering a front wheel. The system is disposed in an interconnecting mechanism for mechanically interconnecting the mechanism for steering the front wheel with the mechanism for steering the rear wheel. The value of .THETA.S is set by the following formula:.THETA.S=C1+B.multidot.C3.multidot..vertline.Y.vertline.-C4.multidot..vertline.dY.vertline.where .THETA.S is a steering ratio;Y is a yaw rate of a vehicle body;dY is a yaw acceleration of the yaw rate;C1 is a basic steering characteristic term;C3 is a yaw rate control gain;C4 is a yaw acceleration control gain; andB is a correction coefficient control gain term.The value of B increases when the amount of steering of the front wheel is small and decreases when the amount of steering of the front wheel is large.
摘要翻译：一种用于转向车辆后轮的系统，具有用于根据后轮的转向量与前轮的转向量来改变转向比THETA S的机构。该系统设置在互连机构中，用于机械地互连用于转向前轮的机构与用于转向后轮的机构。 THETA S的值由以下公式设定：THETA S = C1 + BxC3x | Y | -C4x | dY | THETA S是转向比; Y是车体的偏航率; dY是偏航率的偏航加速度; C1是基本的转向特征术语; C3是偏航率控制增益; C4是偏航加速度控制增益; B是校正系数控制增益项。当前轮的转向量小时，B的值增加，当前轮的转向量大时，B的值减小。

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