Author: Bargalló, E.
Paper Title Page
MOPTY044 Machine Protection Systems and their Impact on Beam Availability and Accelerator Reliability 1029
 
  • R. Andersson, E. Bargalló, A. Nordt
    ESS, Lund, Sweden
  • E. Adli
    University of Oslo, Oslo, Norway
 
  Over the last decades, the complexity and performance levels of machine protection have developed. The level of reliability and availability analysis prior to operation differs between facilities, just as the pragmatic changes of the machine protection during operation. This paper studies the experience and development of machine protection for some of the state of the art proton and ion accelerators, and how it relates to reducing damage to and downtime of the machine. The findings are discussed and categorized, with emphasis on proton accelerators. The paper is concluded with some recommendations for a future high power linear proton accelerator.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPTY044  
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MOPTY045 ESS Availability and Reliability Approach 1033
 
  • E. Bargalló, K.H. Andersen, R. Andersson, A. De Isusi, A. Nordt, E.J. Pitcher
    ESS, Lund, Sweden
 
  Reliability and availability are key metrics for achieving the scientific vision of the ESS. The approach taken to analyze and to improve these metrics in order to achieve the goals is described in this contribution. The methodology used to obtain the requirements considers not only the availability and reliability figures but also the specific needs extracted from users expectations from the neutron source in order to succeed in their experiments. A top-down requirements allocation is being developed at the same time that bottom-up reliability and availability analyses is being performed. The experiments expected at ESS and their needs in terms of neutron beam performance (reliability, availability and quality) are described as well as the tools used to analyze it. Moreover, the consequences of these analyses in the design phase are discussed.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPTY045  
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