Mengyuan Cui Wei Wu 0031 Shaocheng Tong Adaptive Fuzzy Predefined-Time Distributed Time-Varying Optimal Consensus Control for Nonlinear Multiagent Systems. 3211-3221 2026 jan15 13 IEEE Internet Things J. 2 https://doi.org/10.1109/JIOT.2025.3632922 db/journals/iotj/iotj13.html#CuiWT26 streams/journals/iotj