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Offset-free output feedback predictive control for longitudinal beam dynamics in heavy ion synchrotrons
Publikationstyp
Conference Paper
Date Issued
2015
Sprache
English
Start Page
221
End Page
226
Article Number
7358649
Citation
Proceedings of 2014 Australian Control Conference, AUCC 2014 ; 17 - 18 Nov. 2014, Canberra, Australia. - Piscataway, NJ, 2014. - Seite 221-226
Contribution to Conference
Publisher DOI
Scopus ID
Publisher
IEEE
ISBN
978-1-4673-6749-3
978-1-922107-39-8
Control of the longitudinal beam dynamics in heavy ion synchrotrons is a challenging task due primarily to the very fast time constants present in the system. Recently, the authors developed a model predictive controller for this system and demonstrated that solution of the required optimisation problem can be accomplished in about 1μs when implemented on a Field Programmable Gate Array (FPGA). This initial design made several simplifying assumptions and in this paper we extend this initial design to account for known implementation issues relevant to the SIS18 heavy ion synchrotron at the GSI Helmholtz Center. In particular, in this paper we present a design of an offset-free output feedback predictive control scheme for longitudinal beam dynamics in heavy ion synchrotrons. Furthermore, we demonstrate how to compensate for possible communication delays. The performance of this offset-free output feedback predictive controller is validated in simulation.
DDC Class
004: Computer Sciences
620: Engineering
621: Applied Physics