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@inproceedings{crofford:ipac2021-wepab299,
author = {M.T. Crofford and J.A. Ball and J.E. Breeding and L.R. Doolittle and J. Graham and M.P. Martinez and J.S. Moss and M. Musrock and C.K. Roberts and C. Serrano and J.W. Sinclair and Z. Sorrell and V.K. Vytla and S. Whaley},
% author = {M.T. Crofford and J.A. Ball and J.E. Breeding and L.R. Doolittle and J. Graham and M.P. Martinez and others},
% author = {M.T. Crofford and others},
title = {{Spallation Neutron Source Proton Power Upgrade Low-Level RF Control System Development}},
booktitle = {Proc. IPAC'21},
pages = {3363--3366},
eid = {WEPAB299},
language = {english},
keywords = {controls, LLRF, operation, cavity, neutron},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB299},
url = {https://jacow.org/ipac2021/papers/wepab299.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB299},
abstract = {{The Proton Power Upgrade (PPU) Project is approved for the Spallation Neutron Source at Oak Ridge National Laboratory and will double the proton beam power capability from 1.4 MW to 2.8 MW with 2 MW beam power available to the first target station. A second target station is planned and will utilize the remaining beam power in the future. The proton power increase will be supported with the addition of twenty-eight new superconducting cavities powered by 700 kW peak power klystrons to increase beam energy while increases to the beam current will be done with a combination of existing RF margin, and DTL HPRF upgrades. The original low-level RF control system has proven to be reliable over the past 15 years of operations, but obsolescence issues mandate a replacement system be developed for the PPU project. The replacement system is realized in a µTCA.4 platform using a combination of commercial off-the-shelf boards and custom hardware to support the requirements of PPU. This paper presents the prototype hardware, firmware, and software development activities along with preliminary testing results of the new system.}},
}