The invention provides a high-speed braking large-creep adhesion control method and device, and the method comprises the steps: obtaining the brake cylinder pressure of a target motor train unit, and recognizing the actual adhesion coefficient between wheel rails of the motor train unit in the wheel set sliding process according to the brake cylinder pressure; according to the actual adhesion coefficient, calling a pre-stored anti-skid speed criterion table constructed based on an association relationship between the adhesion coefficient and creep; according to the anti-skid speed criterion table, the reference speed of the current vehicle of the target motor train unit, the difference between the wheel set and the reference speed and the actual adhesion coefficient, obtaining corresponding control parameters through the anti-skid speed criterion table; and according to the control parameters, dynamically adjusting the actual adhesion coefficient of the wheel rail to be the target adhesion coefficient through the control slip frequency.
本发明提供了一种高速制动大蠕滑粘着控制方法及装置,所述方法包含:获取目标动车组的制动缸压力,根据所述制动缸压力识别动车组在轮对滑行过程中轮轨之间的实际粘着系数;根据所述实际粘着系数调用预存的基于粘着系数与蠕滑之间的关联关系构建的防滑速度判据表;根据所述防滑速度判据表、目标动车组当前车辆的参考速度、轮对和参考速度之差和所述实际粘着系数,通过防滑速度判据表获得对应的控制参数;根据所述控制参数,利用控制滑差将轮轨的实际粘着系数动态调整为目标粘着系数。
High-speed braking large creep adhesion control method and device
高速制动大蠕滑粘着控制方法及装置
2021-11-26
Patent
Electronic Resource
Chinese
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