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介绍了液压控制技术在摆式车体倾斜控制、横向振动控制和轮对转向控制中的应用概况及装置的结构特点与试验结果。液压控制的摆式车体具有响应性好、控制力大、控制模式较简单等特点，可以满足高速运行乘坐舒适性的要求。为抑制高速机车车辆的摆头振动而开发的液压式主动振动控制装置，可使高速运行时影响乘坐舒适性的横向振动降低约50％。本文第三部分叙述了三种采用液压控制装置的径向转向架的结构和原理。指出，根据列车线路地点信息，通过操纵安装在转向架构架与轴箱之间的液压促动装置，可以同时实现主动转向控制和振动控制。
The application of hydraulic control technology in the tilt control, lateral vibration control and wheelset steering control of the tilting body is introduced. The structural characteristics and test results of the device are introduced. Hydraulic control of tilting body with good response, control, control mode is simple and so on, to meet the high-speed ride comfort requirements. The hydraulic active vibration control device developed to suppress head-on vibration of high-speed rolling stock can reduce lateral vibration affecting riding comfort by about 50% at high speeds. The third part of this article describes the structure and principle of three radial bogies with hydraulic controls. It is pointed out that active steering control and vibration control can be achieved simultaneously by manipulating a hydraulic actuator mounted between the bogie frame and the axle box, based on the train line location information.