... four-wheel screw jack ==> 四轮修车起重器,四轮修车起重器 four-wheel steering ==> 四轮转向 four-wheel steering tractor ==> 四轮转向拖拉机 ...
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... four-wheel tractor 四轮拖拉机 four-wheel steering 四轮转向系统 four-wheel braking 四轮制动 ...
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Four wheel steering 四轮转向
Four wheel steering vehicle 轮转向车辆
four-wheel steering tractor 四轮转向拖拉机
electronic controlled four wheel steering 电控4轮转向
four-wheel-steering 四轮转向
The conclusion is useful for the system design of four-wheel steering vehicle.
研究结果可为评价四轮转向车辆的系统设计提供理论依据。
参考来源 - 四轮转向车辆操纵稳定性仿真分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Usually four-wheel steering systems are based on classic cybernetics, so they can not really control the vehicle perfectly.
但是传统的四轮转向控制系统大多建立在经典控制理论的基础上，对实际车辆很难得到满意的控制效果。
Next, the theoretical, bases of proportional four-wheel steering, roll compensation and regulated four-wheel steering are introduced.
四轮转向方面首先论述了比例四轮转向、质心侧偏角补偿和可调节的四轮转向等几种基本型式的理论基础。
And the results show that four-wheel steering vehicle can improve the dynamic responses to the same steering input. And it has far better handling stability than two-wheel steering vehicle.
结果表明，较之二轮转向汽车，四轮转向汽车能大幅度的提高汽车对方向盘输入的动态响应特性，具有更好的机动性能和稳定性能。
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