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- P. Gomes, F. Antoniotti, F. Bellorini, S. Blanchard, J-P. Boivin, J. Gama, G. Girardot, G. Pigny, B. Rio, H. Vestergard
CERN, Geneva, Switzerland
- L. Kopylov, S. Merker, M.S. Mikheev
IHEP, Moscow Region, Russia
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After 3 years of operation, the LHC entered its first Long Shutdown period (LS1), in February 2013. Major consolidation and maintenance works will be performed across the whole CERN’s accelerator chain, in order to prepare the LHC to restart at higher energy, in 2015. The rest of the accelerator complex shall resume in mid-2014. We report on the recent and on-going vacuum-controls projects. Some of them are associated with the consolidations of the vacuum systems of LHC and of its injectors; others concern the complete renovation of the controls of some machines; and there are also some completely new installations. Due to the wide age-span of the existing vacuum installations, there is a mix of design philosophies and of control-equipment generations. The renovation and the novel projects offer an opportunity to improve the Quality Assurance of vacuum controls by: identifying, documenting, naming and labelling all pieces of equipment; minimising the number of equipment versions with similar functionality; homogenising the control architectures, while converging to a single software framework.
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