The invention relates to the technical field of rail transit, and provides a control method and device for a rail transit train braking system.The method comprises the steps that a state model of the braking system is established, a state variable is obtained by solving the state model, and the state model comprises external interference signals of the braking system; a sliding mode surface function of the braking system is established, and sliding mode surface information is obtained by solving the sliding mode surface function; calculating a parameter vector of the adaptive sliding mode controller; establishing a self-adaptive control law based on the external interference signal and the parameter vector of the self-adaptive sliding mode controller, and solving the self-adaptive control law to obtain a target control input signal of the braking system; and performing braking control on the rail transit train according to the sliding mode surface information and the target control input signal. Therefore, by considering the external interference and adjusting the train braking control strategy according to the external interference, the phenomena of energy waste, poor riding comfort, equipment abrasion and low operation efficiency can be reduced, the braking effect can be ensured, and the braking efficiency can be improved.
本发明涉及轨道交通技术领域,提供一种轨道交通列车制动系统的控制方法及装置,方法包括:建立制动系统的状态模型,并通过求解状态模型得到状态变量,其中,状态模型包括制动系统的外部干扰信号;建立制动系统的滑模面函数,并通过求解滑模面函数得到滑模面信息;计算自适应滑模控制器的参数向量;基于外部干扰信号和自适应滑模控制器的参数向量建立自适应控制律,并对自适应控制律进行求解得到制动系统的目标控制输入信号;根据滑模面信息和目标控制输入信号对轨道交通列车进行制动控制。由此,考虑外部干扰并根据其调整列车制动控制策略,可以减少能源浪费、乘坐舒适性差、设备磨损和运行效率低下的现象,可以保证制动效果,提升制动效率。
Control method and device of rail transit train braking system
轨道交通列车制动系统的控制方法及装置
01.12.2023
Patent
Elektronische Ressource
Chinesisch
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