Abstract
The ATLAS experiment is one of the experiments at the Large HadronCollider, constructed to study elementary particle interactions incollisions of high-energy proton beams. The individual detectorcomponents as well as the common experimental infrastructure aresupervised by the Detector Control System (DCS). The DCS enablesequipment supervision using operator commands, reads, processes andarchives the operational parameters of the detector, allows for errorrecognition and handling, manages the communication with externalcontrol systems, and provides a synchronization mechanism with thephysics data acquisition system. Given the enormous size andcomplexity of ATLAS, special emphasis was put on the use ofstandardized hardware and software components enabling efficientdevelopment and long-term maintainability of the DCS over the lifetimeof the experiment. Currently, the DCS is being used successfullyduring the experiment commissioning phase.
Highlights
ATLAS is a general purpose High Energy Physics (HEP) experiment, scheduled to start data taking in 2008 at the Large Hadron Collider (LHC) at CERN, Geneva, Switzerland
This paper focuses on the Detector Control System (DCS) architecture, common hardware components and standards, the design and implementation of the DCS back-end software, as well as operational aspects
The design and implementation of the ATLAS DCS is based on 4 building blocks:
Summary
ATLAS is a general purpose High Energy Physics (HEP) experiment, scheduled to start data taking in 2008 at the Large Hadron Collider (LHC) at CERN, Geneva, Switzerland. Within JCOP, standards for the use of DCS hardware were established and a commercial controls software product has been selected to serve as the basis for all DCS applications. This software package was substantially extended by a comprehensive framework of software components and implementation policies. This paper focuses on the DCS architecture, common hardware components and standards, the design and implementation of the DCS back-end software, as well as operational aspects.
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