Hierarchical fuzzy sliding-mode control for uncertain nonlinear under-actuated systems. - Chiang-Cheng Chiang; Yao-Wei Yeh (FUZZ-IEEE, 2014)

Adaptive Fuzzy Hierarchical Sliding-Mode Control for the Trajectory Tracking of Uncertain Underactuated Nonlinear Dynamic Systems. - Chih-Lyang Hwang; Chiang-Cheng Chiang; Yao-Wei Yeh (IEEE Trans. Fuzzy Syst., 2014)