{"id":14814,"date":"2020-07-24T16:50:05","date_gmt":"2020-07-24T14:50:05","guid":{"rendered":"http:\/\/localhost:8888\/clearsy\/references\/val-de-roissy\/"},"modified":"2020-08-07T15:32:10","modified_gmt":"2020-08-07T13:32:10","slug":"val-de-roissy","status":"publish","type":"references","link":"https:\/\/www.clearsy.com\/en\/references\/val-de-roissy\/","title":{"rendered":"Val de Roissy"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"> Development of SIL4 safety software for the fixed automatisms of the future Val de Roissy<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Realization of the safety software with the B method<\/h3>\n\n\n\n<p>Siemens Transportation Systems (STS) has subcontracted with CLEARSY for the realization with B of the safety software for the automatisms of the future VAL de ROISSY: alarm control unit (UCA) and automatic section drivers (PADS) for Siemens.<\/p>\n\n\n\n<p>This software represents approximately 150,000 ADA lines once completed. The software is classified as SIL4, according to standards IEC61508: EN50126, EN50128, EN50129.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">A few figures<\/h2>\n\n\n\n<p>On the L1 VAL line inaugurated on 4th April 2007, 2 computers have been installed: the UCA and PADS (as many PADS as required \u2013 S for Section).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For the pads software:<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>186,440 lines for the AS Ada safety code (AS \u2013 Safety Application)<\/li><li>30,632 lines for the AS non safety-critical Ada code<\/li><li>number of mathematical Proofs: 62,056<\/li><li>number of B lines: 256,653 lines<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">For the UCA software:<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>50,085 lines for the AS Ada safety code<\/li><li>11,662 lines for the AS non safety-critical Ada code<\/li><li>number of mathematical Proofs: 12,811<\/li><li>number of B lines: 65,722 lines<\/li><\/ul>\n\n\n\n<p>The number of effective B lines is smaller than that announced as comments are taken into account, including remarks which guide refinement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Publications and feedback<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Introduction document: article \u201cusing B as a high level programming language in an industrial project\u201d<\/li><li>Conf\u00e9rence ZB2005: pr\u00e9sentation (transparents) \u201cusing B as a high level programming language in an industrial project\u201d<\/li><li><div class=\"vc_cta3_content-container\"><div class=\"vc_cta3-content\"><header class=\"vc_cta3-content-header\"><a href=\"https:\/\/link.springer.com\/chapter\/10.1007%2F3-540-48119-2_22\" target=\"_blank\" rel=\"noopener noreferrer\">M\u00e9t\u00e9or: a successful application of B in a large project\u201d, FM\u201999, Toulouse, France, 1999 \u2013 Behm P., Beno\u00eet P., Faivre A., Meynadier J.-M.<\/a> <\/header><\/div><\/div><\/li><li>VitalSoftware: formal method and coded processor \u2013 ERTS 2006 \u2013 25-27 January 2006 \u2013 Toulouse \u2013 Doll\u00e9 D.<\/li><li><div class=\"vc_cta3_content-container\"><div class=\"vc_cta3-content\"><header class=\"vc_cta3-content-header\"><a href=\"https:\/\/dl.acm.org\/doi\/10.1145\/1134285.1134406\" target=\"_blank\" rel=\"noopener noreferrer\">Formal Methods in Industry: achievements, Problems, Future \u2013 Jean Raymond Abrial Swiss Federal Institute of Technology Zurich<\/a><\/header><\/div><\/div><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Development of SIL4 safety software for the fixed automatisms of the future Val de Roissy Realization of the safety software [&hellip;]<\/p>\n","protected":false},"featured_media":15039,"template":"","secteur":[],"domaines_references":[],"class_list":["post-14814","references","type-references","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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