Train coupler stress monitoring method and system, terminal and storage medium

The invention provides a train coupler stress monitoring method and system, a terminal and a storage medium, and relates to the field of rail transit systems, in particular to a train coupler stress monitoring method which comprises the steps that a pre-established train digital twin virtual body simulation model is obtained; simulating and generating a working condition data sample by using the train digital twin virtual body simulation model; establishing a coupler stress virtual sensor model according to the working condition data sample; acquiring vehicle end acceleration time history data; and on the basis of the train end acceleration time history data, the train coupler stress virtual sensor model and the train digital twin virtual body simulation model, train coupler stress online monitoring during train operation is carried out. According to the invention, long-term safety monitoring of the stress state of the running train coupler can be realized. 本申请提供一种列车车钩受力监测方法、系统、终端及存储介质，涉及轨道交通系统领域，特别是涉及一种列车车钩受