Comments on “Decentralized Fuzzy Observer-Based Output-Feedback Control for Nonlinear Large-Scale Systems: An LMI Approach”

The purpose of this article is to point out that the estimate of the unknown interconnection terms of the aforementioned paper (Koo
et al.
, 2014) is incorrect. This drawback affects the validity of the main results. An amending rectification and a correction for this problem are proposed.