The invention discloses a generalized displacement
cable tension monitoring progressive identification method for a damaged cable and concentrated loads. On the basis of
cable tension monitoring, whether a mechanical calculation
reference model of a cable structure needs to be updated or not is determined by monitoring generalized displacement of a supporting seat, temperature of the cable structure, environment temperature, change degree of the concentrated loads and damage degree of the damaged cable, a new mechanical calculation
reference model of the cable structure taking the generalized displacement of the supporting seat, the change degree of the concentrated loads, the damage degree of the damaged cable and the temperature into consideration is obtained, on the basis of the model, according to the approximate
linear relation between current numeric vectors of monitored quantities, current initial numeric vectors of the monitored quantities, a numerical value changing matrix of unit damage monitored quantities, and current nominal damage vectors to be solved, influences of interference factors can be eliminated when the generalized displacement of the supporting seat exists and the temperature changes, and the damaged cable and variable quantities of the concentrated loads can be identified accurately.