Feedback delay compensation of a visual servoing system using a piecewise continuous and current estimator-based observer. - Abdeldafia M. Mohammed; Haoping Wang; Yang Tian (Turkish J. Electr. Eng. Comput. Sci., 2017)

State observer for linear system with unknown input disturbance and sampled and delayed output with measurement noise. - Abdeldafia M. Mohammed; Haoping Wang; Yang Tian (Trans. Inst. Meas. Control, 2019)