汽车线控转向系统(Steer by Wire,SBW)在电动助力转向系统(Electric Power Steering,EPS)基础上,不仅具有结构精巧、节能环保、安全舒适等优点,还取消了转向盘与转向轮之间的机械连接,完全由电信号进行转向操作,摆脱了传统转向系统的各种限制.不仅可实现自由设计汽车转向的力传递特性和设计汽车转向角传递特性,还可以通过设计控制算法实现智能化车辆转向.最后,SBW系统相较于传统转向系统更加节省安装空间,重量更轻,更具有可靠性和安全性.
Analysis of Automotive Steering-by-wire Technology
On the basis of the Electric Power Steering system,the automotive Steer by Wire system not only has the advantages of exquisite structure,energy saving,environmental protection,safety and comfort,but also eliminates the mechanical connection between the steering wheel and the steering wheel,and is completely operated by electrical signals,getting rid of various limitations of the traditional steering system.It can realize the force transfer characteristics of free design of vehicle steering and the Angle transfer characteristics of design of vehicle.It can also realize intelligent vehicle steering through the design control algorithm.At the same time,compared with the traditional steering system,it saves more installation space and lighter weight,more reliability and safety.
Steer by WireMechanical decouplingFault-tolerant control
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