Hendrickson, L

Raimondi, Pantaleo

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AUTOMATED TUNING AND FEEDBACK SYSTEMS AT THE SLCL. Hendrickson and P. RaimondiSLAC, Stanford, USAAbstractA linear collider requires extensive automated tuning and feedback systemsto optimize and maintain high performance. At the SLC, these systems haveevolved through several generations as operational experience and a higher lu-minosity regime resulted in new requirements. Major breakthroughs helpedthe SLC achieve record luminosity in the 1997-98 run. Dispersion-free steer-ing based on an SVD algorithm provided improved trajectories and a fast rfphasing procedure helped maintain a stable linac energy profile. A generalizedoptimization system facilitated emittance tuning. Many of the feedback sys-tems used throughout the SLC to control beam trajectories, energy, etc. wereupgraded and a novel optimization feedback system was used to maximizeluminosity by tuning final focus parameters.46

Automated tuning and feedback systems at the SLC

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