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丰田阿里斯特新型轿车采用了后轮主动转向装置(ARS)。ARS是四轮转向(4WS)装置的一种。 自1991年绍阿拉四轮主动转向车问世以来,ARS技术已经有了很大进步。其中最重要的是车轮电动偏摆技术的应用。早期的4WS是以液压动作方式工作,改成电动方式只是近几年的事。液压方式需要油泵和油缸等各种控制阀,其质量要比电动机构大许多。电动方式只需电动机、齿轮和传动螺杆等,可大幅度减小质量。电动方式的4WS可依据电动机的配置和动力的传递方式又分为几种。一般的ARS是在各自的车轮上配
Toyota Arist new sedan using the rear wheel active steering (ARS). ARS is a kind of four wheel steering (4WS) device. ARS technology has made great strides since the launch of the four-wheel active steering system in Saraland in 1991. One of the most important is the application of wheel electric yawing technology. Early 4WS is a hydraulic action mode, into the electric mode is only a matter of recent years. Hydraulic methods require a variety of control valves, such as oil pumps and cylinders, and are of much greater mass than electric mechanisms. Electric only motor, gear and drive screw, etc., can greatly reduce the quality. Electric mode 4WS can be divided into several according to the motor configuration and power transmission. The general ARS is equipped with their own wheels