The authors should try the regression-based approach to implement the scenario. I think the following articles give more insights on this.
1. Zhang, X., Liang, D., Zeng, J. and Asundi, A., 2012. Genetic algorithm-support vector regression for high-reliability SHM system based on FBG sensor network. Optics and Lasers in Engineering, 50(2), pp.148-153.
2. Zhang, X., Wang, P., Liang, D., Fan, C., and Li, C., 2015. A soft self-repairing for FBG sensor network in SHM system based on PSO–SVR model reconstruction. Optics Communications, 343, pp.38-46.