{"id":14818,"date":"2020-07-24T17:06:01","date_gmt":"2020-07-24T15:06:01","guid":{"rendered":"http:\/\/localhost:8888\/clearsy\/references\/automation-of-line-1-of-the-paris-metro-saet-l1\/"},"modified":"2021-06-01T14:48:51","modified_gmt":"2021-06-01T12:48:51","slug":"automation-of-line-1-of-the-paris-metro-saet-l1","status":"publish","type":"references","link":"https:\/\/www.clearsy.com\/en\/references\/automation-of-line-1-of-the-paris-metro-saet-l1\/","title":{"rendered":"Analysis of the safety critical software of the PARIS CBTC line 1"},"content":{"rendered":"\r\n\r\n\r\n<p class=\"lanceur\">The SAET L1 (CBTC) project makes part of the global project of paris metro Line 1 automation, same as line 14.<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>CLIENT :<\/strong> RATP<\/li>\r\n<li><strong>DATE :<\/strong> 2009<\/li>\r\n<li><strong>LOCATION :<\/strong> Line 1, Paris Metro<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>A particular feature of the project is that it must take place without incurring any downtime and with a mixed operating phase (automatic and manual) on an already existing line.<\/p>\r\n\r\n\r\n\r\n<p>The SAET L1 is a CBTC (Communication Based Train Control) controlling various automatic pilots and supervision modules. The CBTC is developed in B by Siemens Transportation Systems (identical to line 14).<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Our actions<\/h2>\r\n\r\n\r\n\r\n<p class=\"lanceur\">The activities performed focus on the safety aspect of the SIL4 software and are said to be a second look. They comprise:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Analysis and critical rereading of the various B models, the Ada code as well as the various documents supplied (design files, specifications, safety analyses, etc),<\/li>\r\n<li>Verification of the rules added within the context of the formal software proof,<\/li>\r\n<li>Validation of the tests,<\/li>\r\n<li>Replay of the formal proofing performed with Atelier B.<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>The SAET L1 (CBTC) project makes part of the global project of paris metro Line 1 automation, same as line [&hellip;]<\/p>\n","protected":false},"featured_media":15048,"template":"","secteur":[],"domaines_references":[],"class_list":["post-14818","references","type-references","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Analysis of the safety critical software of the PARIS CBTC line 1 - CLEARSY<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clearsy.com\/en\/references\/automation-of-line-1-of-the-paris-metro-saet-l1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of the safety critical software of the PARIS CBTC line 1 - CLEARSY\" \/>\n<meta property=\"og:description\" content=\"The SAET L1 (CBTC) project makes part of the global project of paris metro Line 1 automation, same as line [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.clearsy.com\/en\/references\/automation-of-line-1-of-the-paris-metro-saet-l1\/\" \/>\n<meta property=\"og:site_name\" content=\"CLEARSY\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-01T12:48:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.clearsy.com\/wp-content\/uploads\/2020\/07\/ratp.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1170\" \/>\n\t<meta property=\"og:image:height\" content=\"615\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/references\\\/automation-of-line-1-of-the-paris-metro-saet-l1\\\/\",\"url\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/references\\\/automation-of-line-1-of-the-paris-metro-saet-l1\\\/\",\"name\":\"Analysis of the safety critical software of the PARIS CBTC line 1 - 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