本发明涉及轨道车辆领域,提供一种转向架主动径向系统、控制方法、转向架及轨道车辆。转向架主动径向系统包括一对液压作动器,关于构架的纵轴线斜对称设置并安装于轮对的轴箱体侧,设有位移传感器;液压动力单元,用于为液压作动器提供油液;一对位移检测单元,分设于构架的纵轴线的相对两侧,用于检测构架相对于车体的纵向位移;控制器用于根据一对位移检测单元采集的构架相对于车体的纵向位移,判断列车行驶状态并计算线路曲线半径,并根据一对位移传感器采集的液压作动器的实际位移,并与液压作动器的目标位移进行比较,计算位移偏差并生成控制指令,控制液压动力单元执行相应动作。保持轨道车辆运行稳定性的同时提升了列车的曲线通过能力。

    The invention relates to the field of railway vehicles, and provides a bogie active radial system, a control method, a bogie and a railway vehicle. The bogie active radial system comprises a pair of hydraulic actuators which are arranged in an oblique symmetry mode with respect to the longitudinal axis of the framework, installed on the axle box body sides of the wheel sets and provided with displacement sensors. The hydraulic power unit is used for providing oil for the hydraulic actuator; the displacement detection units are arranged on the two opposite sides of the longitudinal axis of the framework and used for detecting the longitudinal displacement of the framework relative to the vehicle body; the controller is used for judging the running state of a train and calculating the radius of a line curve according to the longitudinal displacement, collected by the displacement detection units, of the framework relative to the train body, calculating the displacement deviation according to the actual displacement, collected by the displacement sensors, of the hydraulic actuator and comparing the actual displacement with the target displacement of the hydraulic actuator, generating a control instruction and controlling the train to run. And controlling the hydraulic power unit to execute corresponding actions. And the curve trafficability of the train is improved while the running stability of the railway vehicle is maintained.


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    Titel :

    转向架主动径向系统、控制方法、转向架及轨道车辆


    Erscheinungsdatum :

    2023-12-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES