- document
-
Zhang, Wenqian (author), Dong, Wenhan (author), Dong, Shuangyu (author), Lv, Maolong (author), Liu, Zongcheng (author)A novel scheme for disturbance observer is designed for an extended class of strict-feedback nonlinear systems with possibly unbounded, non-smooth, and state-independent compounded disturbance. To overcome these problems in disturbance observer design, the typical slide mode differentiators are improved by introducing hyperbolic tangent...journal article 2019