Cable tension monitoring system based on pulley shaft

The invention discloses a cable tension monitoring system based on a pulley shaft, and relates to the field of ship structural mechanics testing, the cable tension monitoring system comprises a pulley shaft assembly and a stress sensor, and the pulley shaft is provided with a through hole; establishing a three-dimensional equivalent model of the pulley shaft assembly, performing finite element analysis, determining a stress data set at each finite element grid node on the inner surface of the through hole, screening out monitoring measurement points from all the finite element grid nodes, and arranging a stress sensor at each monitoring measurement point; training a neural network model by using the vectorized sample set to obtain model parameters, and constructing to obtain a tension monitoring model; according to the system, the actual measurement data set is collected in the working process of the pulley shaft assembly, the vectorized actual measurement data set is input into the tension monitoring model t