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TY - CONF AU - Valentino, G. AU - Baud, G. AU - Gąsior, M. AU - Jackson, S. AU - Jensen, L.K. AU - Olexa, J. AU - Redaelli, S. AU - Wenninger, J. ED - Corvetti, Lou ED - Riches, Kathleen ED - Schaa, Volker RW TI - Upgraded Control System for LHC Beam-Based Collimator Alignment J2 - Proc. of ICALEPCS2015, Melbourne, Australia, 17-23 October 2015 C1 - Melbourne, Australia T2 - International Conference on Accelerator and Large Experimental Physics Control Systems T3 - 15 LA - english AB - In the Large Hadron Collider (LHC), over 100 movable collimators are connected to a three-tier control system which moves them to the required settings throughout the operational cycle from injection to collision energy. A dedicated control system was developed to align the collimators to the beam during machine commissioning periods and hence determine operational settings for the active run. During Long Shutdown 1, the control system was upgraded to allow beam-based alignments to be performed using embedded beam position monitors in 18 newly installed collimators as well as beam loss monitors. This paper presents the new collimation controls architecture for LHC Run II along with several modifications in the Java-based application layer. PB - JACoW CP - Geneva, Switzerland SP - 306 EP - 309 KW - alignment KW - software KW - controls KW - GUI KW - software-architecture DA - 2015/12 PY - 2015 SN - 978-3-95450-148-9 DO - 10.18429/JACoW-ICALEPCS2015-MOPGF099 UR - http://jacow.org/icalepcs2015/papers/mopgf099.pdf ER -