{"id":1433,"date":"2019-09-26T11:03:26","date_gmt":"2019-09-26T10:03:26","guid":{"rendered":"https:\/\/asal.dz\/?p=1433"},"modified":"2021-10-03T15:49:51","modified_gmt":"2021-10-03T14:49:51","slug":"trois-ans-de-vie-en-orbite-pour-le-satellite-alsat-1n","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=1433","title":{"rendered":"Alsat-1N a trois ans"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1435 size-full\" src=\"https:\/\/asal.dz\/wp-content\/uploads\/2019\/09\/le-satellite-Alsat-1N.jpg\" alt=\"\" width=\"211\" height=\"211\" srcset=\"https:\/\/asal.dz\/wp-content\/uploads\/2019\/09\/le-satellite-Alsat-1N.jpg 211w, https:\/\/asal.dz\/wp-content\/uploads\/2019\/09\/le-satellite-Alsat-1N-150x150.jpg 150w\" sizes=\"(max-width: 211px) 100vw, 211px\" \/><\/p>\n<p style=\"text-align: justify;\">Apr\u00e8s trois (03) ann\u00e9es d\u2019op\u00e9ration en orbite, Alsat 1N se trouve toujours en condition op\u00e9rationnelle. Plusieurs op\u00e9rations ont \u00e9t\u00e9 effectu\u00e9es et la derni\u00e8re a permis, de collecter des donn\u00e9es d\u2019une des trois (03) charges utiles, en l\u2019occurrence la Cellule solaire \u00e0 couches minces \u2013 (TFSC). Il est \u00e0 rappeler que la dur\u00e9e de vie nominale d\u2019Alsat 1N en orbite \u00e9tait d\u2019une ann\u00e9e.<\/p>\n<p style=\"text-align: justify;\">Les travaux men\u00e9s par les \u00e9quipes d\u2019exploitation du satellite ont permis de le maintenir en conditions op\u00e9rationnelles sur toute cette p\u00e9riode. Le suivi minutieux des param\u00e8tres de sant\u00e9 du satellite ainsi que l\u2019automatisation d\u2019une partie des op\u00e9rations au sol ont \u00e9t\u00e9 l\u2019un des \u00e9l\u00e9ments d\u00e9terminants de la prolongation exceptionnelle de la dur\u00e9e de vie du satellite en orbite.<\/p>\n<p style=\"text-align: justify;\">Cela a \u00e9galement rendu possible la mont\u00e9e en comp\u00e9tences de jeunes ing\u00e9nieurs sur tous les aspects de l\u2019ing\u00e9nierie des syst\u00e8mes au sol de contr\u00f4le du satellite (planification, collecte et diss\u00e9mination des donn\u00e9es, analyse de t\u00e9l\u00e9m\u00e9trie, reporting, la maintenance en conditions op\u00e9rationnelles et la restauration en conditions op\u00e9rationnelles apr\u00e8s incident).<\/p>\n<p style=\"text-align: justify;\">Un travail de doctorat est en cours de r\u00e9alisation par un chercheur du CRAAG, Mr. Lemgharbi Abdenacer, portant sur \u00ab\u00a0l\u2019\u00e9tude des variations temporelles du champ g\u00e9omagn\u00e9tique en Alg\u00e9rie \u00e0 partir d\u2019observations au sol et satellitaires\u00a0\u00bb. Les donn\u00e9es issues du magn\u00e9tom\u00e8tre embarqu\u00e9 sur Alsat-1N, font partie du lot de donn\u00e9es exploit\u00e9es par ce travail. Il est dirig\u00e9 par le Dr Hamoudi de l\u2019USTHB\u00a0 et le Dr Abtout du CRAAG.<\/p>\n<p style=\"text-align: justify;\">Pour rappel, Alsat-1N a \u00e9t\u00e9 r\u00e9alis\u00e9 dans le cadre du protocole d\u2019accord sign\u00e9 entre l\u2019Agence Spatiale Alg\u00e9rienne et l\u2019Agence Spatiale du Royaume Uni (UKSA) en Octobre 2014. Les objectifs fix\u00e9s pour la mission assign\u00e9e \u00e0 ce nanosatellite, ont \u00e9t\u00e9 atteints.<\/p>\n<p style=\"text-align: justify;\">Un rapport final sera confectionn\u00e9 pour valoriser l\u2019exp\u00e9rience acquise \u00e0 travers ce projet, tant sur les plans technologique, applicatif qu\u2019acad\u00e9mique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s trois (03) ann\u00e9es d\u2019op\u00e9ration en orbite, Alsat 1N se trouve toujours en condition op\u00e9rationnelle. Plusieurs op\u00e9rations ont \u00e9t\u00e9 effectu\u00e9es et la derni\u00e8re a permis, de collecter des donn\u00e9es d\u2019une des trois (03) charges utiles, en l\u2019occurrence la Cellule solaire \u00e0 couches minces \u2013 (TFSC). Il est \u00e0 rappeler que la dur\u00e9e de vie nominale [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1437,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-1433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/1433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1433"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/1433\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/media\/1437"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}