[1] Hongpeng Zhao, Xingtao Wang. Robust H_\infty Control for the Nonlinear Cascade Systems with Passive and Non-passive Subsystems[J]. Mathematical Problems in Engineering, 2021, 2021.(SCI，四区，IF 1.43)

[2] Hongpeng Zhao, Xingtao Wang.. Robust H_\infty Control of Switched Nonlinear Systems Under Sampled Data [J], Journal of Systems Science and Complexity, 2021.(SCI，三区，IF 1.272)