Modeling and Simulation for Nonlinear Pressurized Water Reactor Cores Using Gap Metric and Fuzzy Model with Transfer FunctionGang Li, Bin Liang, Xueqian Wang, Xiu Li and Rongjian LiangMATEC Web of Conferences, 56 (2016) 08001DOI: https://doi.org/10.1051/matecconf/20165608001