Speaker
Yongjun Li
(Brookhaven National Laboratory)
Description
A measurable chaos indicator is used as the online optimization objective in tuning a complicated nonlinear system - the National Synchrotron Light Source-II (NSLS-II) storage ring. Through analyzing the Shannon entropy in measured Poincar$\acute{e}$ maps, not only can the commonly used nonlinear characterizations be extracted, but more importantly, the chaos can be quantified, and then used for an online regularization of these maps. The method itself is general and applicable to other tunable nonlinear systems as well.
Funding Agency
Supported by the U.S. DOE under Contract No. DE-SC0012704, HEP award DE-SC0023722, FWP 2025-BNL-PS040-Funding; and BNL NSLS-II FIP, GRIP 2024.
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Author
Yongjun Li
(Brookhaven National Laboratory)
Co-authors
Derong Xu
(Brookhaven National Laboratory)
Kelly Anderson
(Facility for Rare Isotope Beams)
Kiman Ha
(Brookhaven National Laboratory)
Minghao Song
(Brookhaven National Laboratory)
Mr
Robert Rainer
(Brookhaven National Laboratory)
Timur Shaftan
(Brookhaven National Laboratory)
Victor Smaluk
(Brookhaven National Laboratory)
Yoshiteru Hidaka
(Brookhaven National Laboratory)
Yue Hao
(Facility for Rare Isotope Beams)