Paper | Title | Other Keywords | Page |
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TUPIK109 | Accelerators and Their Ghosts | operation, network, target, proton | 1975 |
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The issue of particle accelerator reliability is a problem that currently is not fully defined, understood nor addressed. Conventional approaches to reliability (e.g. RBDs) struggle due to a lack of data about specific component/system reliability and failure. There is a large body of beam current data retrievable from operating accelerators that contains detailed information about the accelerator behaviour, both before and after a machine trip has occurred. Analysing this data could provide insight and help develop a new approach to address accelerator reliability. In this paper, we propose a data-driven approach to detecting emergent behaviour in particle accelerators. Instead of attempting to identify every possible failure of a machine we propose an alternative approach based around a change in perspective, to knowing the normal default operational behaviour of a machine. Taking action when a ghost in the machine emerges that causes accelerator wide aberrant changes to normal machine behaviour. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK109 | ||
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WEPAB018 | Engineering Collaboration Experience at the European XFEL | project-management, distributed, monitoring, controls | 2604 |
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The construction of the European XFEL involved a huge internationally distributed and inter-disciplinary engineering effort. This paper discusses examples for good engineering practices which have been successfully developed and applied in the construction of the European XFEL. It addresses appropriate combination of de-/central activities in design collaboration and integration; the use of manufacturing bills of materials for coordinating and tracking contributions, as well as for clarifying responsibilities; the right amount of reviews for keeping activities in synch; some specific needs of and measures for in-kind collaboration; and general methods, tools and practices and spirit for efficient communication and collaboration. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPAB018 | ||
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WEPAB121 | Database for NSLS-II Accelerator Operation | interface, operation, controls, software | 2854 |
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Funding: DOE Contract No: DE-SC0012704 NSLS-II is employing a database and corresponding user interfaces which are used for the accelerator data sharing and management. The database include operation related information such as beam optics parameters, magnet measurement data, survey data and operation summary. To improve the usability, other functionalities are also being added. However, due to the limited scope, the general expectation of the overall facility cannot not be met and, in order to solve the issue, we are in the process of adopting Component Database (ComponentDB) developed at Advanced Photon Source (APS). This paper shows the current status of the process. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPAB121 | ||
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THPAB104 | Engineering Documentation and Asset Management for the European XFEL Accelerator | operation, interface, status, SRF | 3960 |
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At the European XFEL, extensive technical documentation has been created during design and construction of the accelerator. It is based on a configuration database (the DESY EDMS), which provides an inventory of major accelerator systems. The configuration database registers components and their used materials, tracks component design and fabrication history, and contains engineering documents and drawings, and work and inspection records. Technical documentation can be accessed through intuitive reports and navigational tree structures, representing specific beamline sections or areas of the facility. Access on mobile devices in the accelerator tunnel is supported by component tags with QR codes. A dedicated front-end has been developed for automatically uploading and cross-linking documents to the configuration database, reducing documentation efforts in the project teams. The configuration database now serves as a foundation for upcoming technical operation and maintenance activities. The paper provides an overview of the available engineering documentation and its access methods, and discusses its expected role and benefits in future maintenance processes. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPAB104 | ||
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THPAB121 | The Study of Accelerator Data Archiving and Retrieving Software | EPICS, interface, software, operation | 4007 |
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This paper presents a novel archiving and retrieving software designed for BEPC-II and other particle accelerators. At BEPC-II, real-time data are stored as index files recorded by traditional EPICS Channel Archiver. Never-theless, index files are not suitable for long-term maintenance and difficult for data analysis. The NoSQL database MongoDB is used for this new system due to aging technologies, so as to promote the data storage reliability, usability, and possible future advanced data analysis. A cross-platform UI (User Interface) has also been developed to make it quicker and easier to access the database. The writing and query performance are tested for this software. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPAB121 | ||
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THPAB122 | Open XAL Development for Xi'an Proton Application Facility | controls, simulation, proton, synchrotron | 4010 |
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Beam commission tools for Xi'an Proton Application Facility (XiPAF) will be developed based on Open XAL. In this paper, we present preparations made for adopting Open XAL in XiPAF, including a newly designed database schema based on MySQL, modifying db2xal application based on database schema to create optics file automatically. We also add time-dependent nodes in XiPAF's online model to meet the need of energy ramping in synchrotron. A set of high-level applications as well as a new virtual accelerator is under development. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPAB122 | ||
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THPAB145 | CERN Accelerators Topology Configuration: Facing the Next Long Shutdown | hardware, status, operation, alignment | 4066 |
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The Configuration and Layout (CL) team at CERN ensures that there is a clear and coherent representation of the status of the CERN underground facilities (about 60 km of equipment) and main accelerator projects at a given point in time. In view of the major equipment changes to be carried out during the extended end of year technical stop (EYETS), the next Long Shutdown (LS2), and to facilitate the associated preparatory work of multiple CERN groups, the CL team has developed an immersive visualisation tool, displaying 360 degree panoramic images of CERN underground facilities. In addition, the CL team is launching a process to manage future layout configurations inside the CERN Layout database in parallel to the current configuration. This paper presents the 360 degree panorama visualisation tool and the parallel configuration process, to view the past, current and future status of the CERN accelerator complex. It highlights their added value for the CERN groups in the preparatory phase for upgrade and consolidation modifications and discusses the potential future improvements. | |||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-THPAB145 | ||
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