Development of a model for ramping in a storage ring | Zendy

Kevin J. Cassidy | Zendy; S. Howry | Zendy

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Development of a model for ramping in a storage ring

Author(s) -

Kevin J. Cassidy,

S. Howry

Publication year - 1992

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.42131

Subject(s) - storage ring , spear , ideal (ethics) , ring (chemistry) , process (computing) , measure (data warehouse) , digital signal processing , computer science , synchrotron radiation , signal (programming language) , digital signal processor , electronic engineering , electrical engineering , physics , engineering , computer hardware , optics , epistemology , organic chemistry , database , history , programming language , operating system , beam (structure) , philosophy , chemistry , archaeology

This paper describes the process of ramping in a storage ring such as the SPEAR Synchrotron Radiation Ring at SLAC/SSRL. A definition of ramping is presented first. Then an "ideal" ramp that includes the necessary calibrations is presented. This is refined to account for nonzero response times that may occur in an "actual" ramp. Parameters are identified which cause the actual model to deviate from the ideal. A process to estimate these parameters is described that depends on rapid measurement of the ring's tunes. Finally, the paper describes a digital signal processor (DSP) that was used at SPEAR to measure the tunes during a ramp.

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