Media type: E-Article Title: Delay Robustness of PID Control of Second-Order Systems: Pseudoconcavity, Exact Delay Margin, and Performance Tradeoff Contributor: Chen, Jianqi; Ma, Dan; Xu, Yong; Chen, Jie Published: Institute of Electrical and Electronics Engineers (IEEE), 2022 Published in: IEEE Transactions on Automatic Control, 67 (2022) 3, Seite 1194-1209 Language: Not determined DOI: 10.1109/tac.2021.3059155 ISSN: 0018-9286; 1558-2523; 2334-3303 Origination: Footnote: