105 citations · 184 across the 36 of their papers we have counts for
5 papers · 1 filter
Phase of Nonlinear Systems
Chao Chen, Di Zhao, Wei Chen +2
In this paper, we propose a definition of phase for a class of stable nonlinear systems called semi-sectorial systems, from an input-output perspective. The definition involves the…
Low Phase-Rank Approximation
Di Zhao, Axel Ringh, Li Qiu +1
In this paper, we propose and solve a low phase-rank approximation problem, which serves as a counterpart to the well-known low-rank approximation problem and the Schmidt-Mirsky th…
On Spectral Properties of Signed Laplacians with Connections to Eventual Positivity
Wei Chen, Dan Wang, Ji Liu +5
Signed graphs have appeared in a broad variety of applications, ranging from social networks to biological networks, from distributed control and computation to power systems. In t…
On the Necessity and Sufficiency of the Zames-Falb Multipliers for Bounded Operators
Sei Zhen Khong, Lanlan Su
This paper analyzes the robust feedback stability of a single-input-single-output stable linear time-invariant (LTI) system against four different classes of nonlinear systems usin…
Stabilization of Cascaded Two-Port Networked Systems with Simultaneous Nonlinear Uncertainties
Di Zhao, Sei Zhen Khong, Li Qiu
We introduce a versatile framework to model and study networked control systems (NCSs). An NCS is described as a feedback interconnection of a plant and a controller communicating…