2 papers
eess.SY2026
The Phantom of Davis-Wielandt Shell: A Unified Framework for Graphical Stability Analysis of MIMO LTI Systems
Ding Zhang, Xiaokan Yang, Axel Ringh +1
This paper presents a unified framework based on Davis-Wielandt (DW) shell for graphical stability analysis of multi-input and multi-output linear time-invariant feedback systems.…
eess.SY2025
A Cascade of Systems and the Product of Their -Symmetric Scaled Relative Graphs
Xiaokan Yang, Ding Zhang, Wei Chen +1
In this paper, we utilize a variant of the scaled relative graph (SRG), referred to as the -symmetric SRG, to develop a graphical stability criterion for the feedback interconn…