Author: Kövecses de Carvalho, S.
Paper Title Page
TUPHA101 Applying the Functional System Interaction Process at ESS 649
 
  • S. Kövecses de Carvalho, R. Andersson, E. Bargalló, A. Nordt
    ESS, Lund, Sweden
  • R. Andersson
    University of Oslo, Oslo, Norway
  • M. Rejzek
    ZHAW, Winterthur, Switzerland
 
  The European Spallation Source ERIC is being built in Lund, Sweden to complement the existing neutron sources in Europe and worldwide. ESS will be the bright-est neutron source ever built upon completion and aims to have an availability of 95% during steady state opera-tions. The purpose of Machine Protection at ESS is to protect the equipment in order to support the high availability. Due to the distributed nature of Machine Protection numerous design teams are involved to implement Protection Functions. The Machine Protection Development at ESS follows the Functional Protection lifecycle for System-of-systems developed at the facility. This paper focuses on the application of the Functional System Inter-action Process part of the Functional Protection method. To obtain the system interaction model, behavioural requirements and to allocate Protection Functions use case workshops are held. The feasibility of different system architectures and protection function implementations are discussed and simulated by going through fore-seen operational sequences, use cases. The different architectures and use cases are documented using Enter-prise Architect.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA101  
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TUPHA107 Technical and Organisational Complexities with a Distributed MP Strategy at ESS 670
 
  • E. Bargalló, R. Andersson, S. Kövecses de Carvalho, A. Nordt, M. Zaera-Sanz
    ESS, Lund, Sweden
 
  The reliable protection of the ESS equipment is important for the success of the project. This requires multiple systems and subsystems to perform the required protection functions that prevent undesired hazardous events. The complexity of the machine, the different technical challenges and the intrinsic organisational difficulties for an in-kind project like ESS impose serious challenges to the distributed Machine Protection strategy. In this contribution, the difficulties and adopted solutions are described to exemplify the technical challenges encountered in the process.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICALEPCS2017-TUPHA107  
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