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The critical current of a superconductor depends on temperature, magnetic field, current and strain, requiring high precision measurements in the nano Volt range, well-synchronized instrumentation, and the possibility to quickly adapt and replace instrumentation if needed. The micro-service based application presented in this paper allows operators to measure a variety of analog signals, such as the temperature of the cryostats and sample under test, magnetic field, current passing through the sample, voltage across the sample, pressure, helium level etc. During the run, the software protects the sample from quenching, controlling the current passed through it using high-speed field programmable gate array (FPGA) systems on Linux Real-Time (RT) based PCI eXtensions controllers (PXIe). The application records, analyzes and reports to the external Oracle database all parameters related to the test. In this paper, we describe the development of the micro-service based control system, how the interlocks and protection functionalities work, and how we had to develop a multi-windowed scalable acquisition application that could be adapted to the many changes occurring in the test facility. Charrondière, Cedric; Andreassen, Odd; Ballarino, Amalia; Barth, Christian; Boutboul, Thierry; Fleiter, Jerome; Hopkins, Simon; Koziol, Piotr; Reymond, Hubert" /> <meta name="keywords" content="controls, software, operation, FPGA, power-supply" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: {inlineMath: [['$','$']], processEscapes: true}, showProcessingMessages: false, messageStyle: "none" }); </script> <script src="/MathJax/MathJax.js?config=TeX-AMS_CHTML" type="text/javascript"> </script>  <meta content="JACOW : The Micro-Services of Cern’s Critical Current Test Benches" name="citation_title" /> <meta content="Charrondière, Cedric" name="citation_author" /> <meta content="Barth, Christian" name="citation_author" /> <meta content="Koziol, Piotr" name="citation_author" /> <meta content="Reymond, Hubert" name="citation_author" /> <meta content="Boutboul, Thierry" name="citation_author" /> <meta content="Hopkins, Simon" name="citation_author" /> <meta content="Ballarino, Amalia" name="citation_author" /> <meta content="Fleiter, Jerome" name="citation_author" /> <meta content="Andreassen, Odd" name="citation_author" /> <meta content="10.18429/JACoW-ICALEPCS2023-THPDP002" name="citation_doi" /> <meta content="JACoW ICALEPCS" name="citation_journal_title" /> <meta content="2023" name="citation_volume" /> <meta content="THPDP002" name="citation_firstpage" /> <meta content="2023" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/04/10"> <meta content="10.18429/JACoW-ICALEPCS2023-THPDP002" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2895014/files/document.pdf" />  <meta content="JACOW" property="og:title" /> <meta content="The Micro-Services of Cern’s Critical Current Test Benches" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2895014" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="In order to characterize the critical-current density of low temperature superconductors such as niobium¿titanium (NbTi) and niobium¿tin (Nb₃Sn) or high temperature superconductors such as magnesium-diboride MgB₂ or Rare-earth Barium Copper Oxide REBCO tapes, a wide range of custom instruments and interfaces are used. The critical current of a superconductor depends on temperature, magnetic field, current and strain, requiring high precision measurements in the nano Volt range, well-synchronized instrumentation, and the possibility to quickly adapt and replace instrumentation if needed. The micro-service based application presented in this paper allows operators to measure a variety of analog signals, such as the temperature of the cryostats and sample under test, magnetic field, current passing through the sample, voltage across the sample, pressure, helium level etc. During the run, the software protects the sample from quenching, controlling the current passed through it using high-speed field programmable gate array (FPGA) systems on Linux Real-Time (RT) based PCI eXtensions controllers (PXIe). The application records, analyzes and reports to the external Oracle database all parameters related to the test. 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var affiliation = $(this).data('affiliation') + '</br>'; var contribution = $(this).data('contribution') + '</br>'; $.magnificPopup.open({ items: { src: '<div id="ovelary-mathjax" class="overlay-white oc-content overlay-white-500">' + author + affiliation + contribution + '</div>', type: 'inline' }, callbacks: { open: function() { var div = document.getElementById("overlay-mathjax") MathJax.Hub.Queue(["Typeset", MathJax.Hub, div]); }, } }) }) }); </script> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>The Micro-Services of Cern’s Critical Current Test Benches</b></td></tr> <tr><td class="formatRecordLabel"><span style="white-space:nowrap;"> Author(s) </span> </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/search?f=author&p=Charrondi%C3%A8re%2C%20Cedric&ln=zh_CN">Charrondière, Cedric</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Andreassen%2C%20Odd&ln=zh_CN">Andreassen, Odd</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Ballarino%2C%20Amalia&ln=zh_CN">Ballarino, Amalia</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Barth%2C%20Christian&ln=zh_CN">Barth, Christian</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Boutboul%2C%20Thierry&ln=zh_CN">Boutboul, Thierry</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Fleiter%2C%20Jerome&ln=zh_CN">Fleiter, Jerome</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Hopkins%2C%20Simon&ln=zh_CN">Hopkins, Simon</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Koziol%2C%20Piotr&ln=zh_CN">Koziol, Piotr</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Reymond%2C%20Hubert&ln=zh_CN">Reymond, Hubert</a> (CERN)</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2023</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">6</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-ICALEPCS2023-THPDP002"><i>JACoW ICALEPCS</i> 2023 (2023) THPDP002</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2881790">19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023)</a>, Cape Town, South Africa, 7 - 13 Oct 2023, pp.THPDP002</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-ICALEPCS2023-THPDP002" title="DOI" target="_blank">10.18429/JACoW-ICALEPCS2023-THPDP002</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Accelerators and Storage Rings</td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">In order to characterize the critical-current density of low temperature superconductors such as niobium¿titanium (NbTi) and niobium¿tin (Nb₃Sn) or high temperature superconductors such as magnesium-diboride MgB₂ or Rare-earth Barium Copper Oxide REBCO tapes, a wide range of custom instruments and interfaces are used. The critical current of a superconductor depends on temperature, magnetic field, current and strain, requiring high precision measurements in the nano Volt range, well-synchronized instrumentation, and the possibility to quickly adapt and replace instrumentation if needed. The micro-service based application presented in this paper allows operators to measure a variety of analog signals, such as the temperature of the cryostats and sample under test, magnetic field, current passing through the sample, voltage across the sample, pressure, helium level etc. During the run, the software protects the sample from quenching, controlling the current passed through it using high-speed field programmable gate array (FPGA) systems on Linux Real-Time (RT) based PCI eXtensions controllers (PXIe). The application records, analyzes and reports to the external Oracle database all parameters related to the test. In this paper, we describe the development of the micro-service based control system, how the interlocks and protection functionalities work, and how we had to develop a multi-windowed scalable acquisition application that could be adapted to the many changes occurring in the test facility.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;"><a href="https://creativecommons.org/licenses/by/4.0">CC-BY-4.0</a></td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2754115">Inspire</a> <small> </small> <br/> <br/><br/><div align="right"><div style="padding-bottom:2px;padding-top:30px;"><span class="moreinfo" style="margin-right:10px;"> <a href="" class="moreinfo">Back to search</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> 记录创建於2024-04-10，最後更新在2024-04-11</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"><a href="/search?ln=zh_CN&p=recid%3A2895014&rm=wrd" class="moreinfo">相似记录</a></span></div> </div> </div> </div> <br/> <br /> <div class="detailedrecordminipanel"> <div class="top-left"></div><div class="top-right"></div> <div class="inside"> <div id="detailedrecordminipanelfile" style="width:33%;float:left;text-align:center;margin-top:0"> <div><small class="detailedRecordActions">全文:</small> <br /><a href="/record/2895014/files/document.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Download fulltext" /><br />PDF</a><br /></div> </div> <div id="detailedrecordminipanelreview" style="width:30%;float:left;text-align:center"> </div> <div id="detailedrecordminipanelactions" style="width:36%;float:right;text-align:right;"> <ul class="detailedrecordactions"> <li><a href="/yourbaskets/add?ln=zh_CN&recid=2895014">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/hx?ln=zh_CN">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/hm?ln=zh_CN">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/xm?ln=zh_CN">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/xd?ln=zh_CN">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/xe?ln=zh_CN">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/xn?ln=zh_CN">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2895014/export/xw?ln=zh_CN">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'>  <div id="bookmark"></div> <div id="bookmark_sciencewise"></div> <style type="text/css"> #bookmark_sciencewise, #bookmark {float: left;} #bookmark_sciencewise li {padding: 2px; width: 25px;} #bookmark_sciencewise ul, #bookmark ul {list-style-image: none;} </style> <script type="text/javascript" src="/js/jquery.bookmark.min.js"></script> <style type="text/css">@import "/css/jquery.bookmark.css";</style> <script type="text/javascript">// <![CDATA[ $.bookmark.addSite('sciencewise', 'ScienceWise.info', 'https://cds.cern.ch/img/sciencewise.png', 'en', 'bookmark', 'http://sciencewise.info/bookmarks/cds:2895014/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2895014', addEmail: true, title: "The Micro-Services of Cern\u2019s Critical Current Test Benches", description: "In order to characterize the critical-current density of low temperature superconductors such as niobium\u00bftitanium (NbTi) and niobium\u00bftin (Nb\u2083Sn) or high temperature superconductors such as magnesium-diboride MgB\u2082 or Rare-earth Barium Copper Oxide REBCO tapes, a wide range of custom instruments and interfaces are used. The critical current of a superconductor depends on temperature, magnetic field, current and strain, requiring high precision measurements in the nano Volt range, well-synchronized instrumentation, and the possibility to quickly adapt and replace instrumentation if needed. The micro-service based application presented in this paper allows operators to measure a variety of analog signals, such as the temperature of the cryostats and sample under test, magnetic field, current passing through the sample, voltage across the sample, pressure, helium level etc. During the run, the software protects the sample from quenching, controlling the current passed through it using high-speed field programmable gate array (FPGA) systems on Linux Real-Time (RT) based PCI eXtensions controllers (PXIe). The application records, analyzes and reports to the external Oracle database all parameters related to the test. 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