Orbit stability in the NSLS VUV and X-ray rings is provided by digital orbit feedback systems. These were designed, built, and commissioned at the NSLS in the early 2000s. System description as well as references to the earlier feedback system work at the NSLS is available from this paper and this talk. For more information please contact Boris Podobedov at email@example.com.
One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit applied science and technology organization.