{"id":10261,"date":"2022-01-26T01:51:03","date_gmt":"2022-01-26T01:51:03","guid":{"rendered":"https:\/\/www.cybermedian.com\/fr\/?p=10261"},"modified":"2026-04-20T09:13:12","modified_gmt":"2026-04-20T09:13:12","slug":"tutoriel-sur-le-diagramme-darbre-de-defaillances","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/fr\/fault-tree-diagram-tutorial\/","title":{"rendered":"Tutoriel sur le diagramme d&#8217;arbre de d\u00e9faillances"},"content":{"rendered":"<section class=\"section section--body section--first\">\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<p id=\"760b\" class=\"graf graf--p graf-after--h3\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/es\/knowledge\/root-cause-analysis\/how-to-find-root-cause-using-fault-tree-diagram\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/es\/knowledge\/root-cause-analysis\/how-to-find-root-cause-using-fault-tree-diagram\/\">L&#8217;analyse par arbre de d\u00e9faillances<\/a>\u00a0\u00a0a \u00e9t\u00e9 introduite en 1962 par Bell Laboratories et est l&#8217;une des plus largement utilis\u00e9es pour r\u00e9soudre une grande vari\u00e9t\u00e9 de probl\u00e8mes allant de la s\u00e9curit\u00e9 aux probl\u00e8mes de gestion.<\/p>\n<p id=\"6aef\" class=\"graf graf--p graf-after--p\">L&#8217;analyse par arbre de d\u00e9faillances (FTA) est une analyse d\u00e9ductive descendante des d\u00e9fauts dans laquelle la logique bool\u00e9enne est utilis\u00e9e conjointement avec une s\u00e9rie d&#8217;\u00e9v\u00e9nements de bas niveau pour analyser les \u00e9tats inattendus du syst\u00e8me.\u00a0Cette m\u00e9thode d&#8217;analyse est principalement utilis\u00e9e dans l&#8217;ing\u00e9nierie de la s\u00e9curit\u00e9 et l&#8217;ing\u00e9nierie de la fiabilit\u00e9 pour comprendre comment les syst\u00e8mes \u00e9chouent, d\u00e9terminer la meilleure fa\u00e7on de r\u00e9duire les risques et d\u00e9terminer (ou ressentir) le taux d&#8217;\u00e9v\u00e9nements d&#8217;incidents de s\u00e9curit\u00e9 ou de d\u00e9faillances (fonctionnelles) sp\u00e9cifiques au niveau du syst\u00e8me.<\/p>\n<h4 id=\"7bc7\" class=\"graf graf--h4 graf-after--p\"><span id=\"Purpose_of_Fault_Tree_Analysis\">But de l&#8217;analyse de l&#8217;arbre de d\u00e9faillance\u00a0?<\/span><\/h4>\n<p id=\"6c44\" class=\"graf graf--p graf-after--h4\">L&#8217;objectif principal de l&#8217;analyse de l&#8217;arbre de d\u00e9faillance est d&#8217;aider \u00e0 identifier les causes potentielles des d\u00e9fauts du syst\u00e8me avant que les d\u00e9fauts ne se produisent.\u00a0Vous pouvez \u00e9galement utiliser des m\u00e9thodes analytiques ou statistiques pour \u00e9valuer la probabilit\u00e9 des principaux \u00e9v\u00e9nements.\u00a0Ces calculs incluent des informations quantitatives sur la fiabilit\u00e9 et la maintenabilit\u00e9 du syst\u00e8me, telles que la probabilit\u00e9 de d\u00e9faillance, le taux de d\u00e9faillance et le taux de r\u00e9paration.\u00a0Apr\u00e8s avoir termin\u00e9 FTA, vous pouvez vous concentrer sur l&#8217;am\u00e9lioration de la s\u00e9curit\u00e9 et de la fiabilit\u00e9 du syst\u00e8me.<\/p>\n<p id=\"9c2d\" class=\"graf graf--p graf-after--p\">L&#8217;analyse typique de l&#8217;arbre de d\u00e9faillance commence par un d\u00e9faut potentiel, puis revient en arri\u00e8re \u00e0 travers une repr\u00e9sentation visuelle appel\u00e9e diagramme d&#8217;arbre de d\u00e9faillance pour d\u00e9terminer les facteurs d&#8217;influence possibles.\u00a0L&#8217;arbre de pannes adopte une approche descendante, commence par le r\u00e9sultat (une condition de panne potentielle), puis \u00e9value les facteurs qui peuvent conduire \u00e0 la panne.<\/p>\n<h4 id=\"da49\" class=\"graf graf--h4 graf-after--p\"><span id=\"Who_fault_tree_analysis\">Qui analyse l&#8217;arbre de d\u00e9faillance<\/span><\/h4>\n<p id=\"226a\" class=\"graf graf--p graf-after--h4\">L&#8217;ALE s&#8217;applique \u00e0 l&#8217;a\u00e9rospatiale, \u00e0 l&#8217;\u00e9nergie nucl\u00e9aire, \u00e0 la chimie, \u00e0 la pharmacie, \u00e0 la p\u00e9trochimie et \u00e0 d&#8217;autres industries \u00e0 haut risque\u00a0;\u00a0Il est \u00e9galement utilis\u00e9 \u00e0 des fins de d\u00e9bogage dans le g\u00e9nie logiciel, qui est \u00e9troitement li\u00e9 \u00e0 la technologie d&#8217;\u00e9limination des causes utilis\u00e9e pour d\u00e9tecter les bogues.<\/p>\n<h3 id=\"8bbd\" class=\"graf graf--h3 graf-after--p\"><span id=\"FTA_Notation\">Notation ALE<\/span><\/h3>\n<p id=\"fb4f\" class=\"graf graf--p graf-after--h3\">Une analyse d&#8217;arbre de d\u00e9faillance utilise quelques symboles de base pour d\u00e9crire divers points, causes et effets dans un processus.\u00a0Il existe de nombreux symboles, mais voici quelques \u00e9l\u00e9ments de base pour vous aider \u00e0 commencer \u00e0 concevoir un diagramme d&#8217;arbre de d\u00e9faillances.<\/p>\n<p id=\"1cca\" class=\"graf graf--p graf-after--p\">Les symboles sont utilis\u00e9s pour repr\u00e9senter divers \u00e9v\u00e9nements et d\u00e9crire des relations\u00a0:<\/p>\n<h3 id=\"bf33\" class=\"graf graf--h3 graf-after--p\"><span id=\"Gate_Symbols\">Symboles de porte<\/span><\/h3>\n<figure id=\"5c14\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--h3\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0lYyib5HTg0dLDQy.png\" data-image-id=\"0*lYyib5HTg0dLDQy_.png\" data-width=\"91\" data-height=\"91\" \/><\/figure>\n<p id=\"d290\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Et porte<\/strong>\u00a0\u200a\u2014 repr\u00e9sente une condition dans laquelle tous les \u00e9v\u00e9nements affich\u00e9s sous la porte (porte d&#8217;entr\u00e9e) doivent \u00eatre pr\u00e9sents pour que l&#8217;\u00e9v\u00e9nement affich\u00e9 au-dessus de la porte (\u00e9v\u00e9nement de sortie) se produise.\u00a0Cela signifie que l&#8217;\u00e9v\u00e9nement de sortie ne se produira que si tous les \u00e9v\u00e9nements d&#8217;entr\u00e9e existent simultan\u00e9ment.<\/p>\n<figure id=\"c142\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0BVTalZZIOR7DYsb9.png\" data-image-id=\"0*BVTalZZIOR7DYsb9.png\" data-width=\"91\" data-height=\"101\" \/><\/figure>\n<p id=\"bd0b\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Ou porte<\/strong>\u00a0\u200a\u2014 repr\u00e9sente une situation dans laquelle l&#8217;un des \u00e9v\u00e9nements affich\u00e9s sous la porte (porte d&#8217;entr\u00e9e) conduira \u00e0 l&#8217;\u00e9v\u00e9nement affich\u00e9 au-dessus de la porte (\u00e9v\u00e9nement de sortie).\u00a0L&#8217;\u00e9v\u00e9nement se produira s&#8217;il n&#8217;existe qu&#8217;un seul ou une combinaison des \u00e9v\u00e9nements d&#8217;entr\u00e9e.<\/p>\n<h3 id=\"dfb6\" class=\"graf graf--h3 graf-after--p\"><span id=\"Event_symbols\">Symboles d&#8217;\u00e9v\u00e9nement<\/span><\/h3>\n<p id=\"fa61\" class=\"graf graf--p graf-after--h3\">Il existe cinq types de symboles d&#8217;\u00e9v\u00e9nement\u00a0:<\/p>\n<figure id=\"8f8d\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0TzowsowpFegLOUZT.png\" data-image-id=\"0*TzowsowpFegLOUZT.png\" data-width=\"103\" data-height=\"70\" \/><\/figure>\n<p id=\"2444\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Rectangle<\/strong>\u00a0\u200a\u2014 Le rectangle est le bloc de construction principal de l&#8217;arbre analytique.\u00a0Il repr\u00e9sente l&#8217;\u00e9v\u00e9nement n\u00e9gatif et est situ\u00e9 au sommet de l&#8217;arbre et peut \u00eatre situ\u00e9 dans tout l&#8217;arbre pour indiquer d&#8217;autres \u00e9v\u00e9nements susceptibles d&#8217;\u00eatre d\u00e9compos\u00e9s davantage.\u00a0C&#8217;est le seul symbole qui aura une porte logique et des \u00e9v\u00e9nements d&#8217;entr\u00e9e en dessous.<\/p>\n<figure id=\"339b\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0_m1xz9GVQ8Z0vD2t.png\" data-image-id=\"0*_m1xz9GVQ8Z0vD2t.png\" data-width=\"91\" data-height=\"91\" \/><\/figure>\n<p id=\"5511\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Cercle<\/strong>\u00a0\u200a\u2014 Un cercle repr\u00e9sente un \u00e9v\u00e9nement de base dans l&#8217;arborescence.\u00a0Ceux-ci se trouvent sur les niveaux inf\u00e9rieurs de l&#8217;arbre et ne n\u00e9cessitent aucun d\u00e9veloppement ou panne suppl\u00e9mentaire.\u00a0Il n&#8217;y a pas de portes ou d&#8217;\u00e9v\u00e9nements en dessous de l&#8217;\u00e9v\u00e9nement de base.<\/p>\n<figure id=\"eeb1\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0UcY1VYqHDeUwa2hh.png\" data-image-id=\"0*UcY1VYqHDeUwa2hh.png\" data-width=\"118\" data-height=\"101\" \/><\/figure>\n<p id=\"b0ce\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Diamant<\/strong>\u00a0\u200a\u2014 Le losange identifie un \u00e9v\u00e9nement terminal non d\u00e9velopp\u00e9.\u00a0Un tel \u00e9v\u00e9nement n&#8217;est pas pleinement d\u00e9velopp\u00e9 en raison d&#8217;un manque d&#8217;information ou de signification.\u00a0Une branche d&#8217;arbre de d\u00e9faillances peut se terminer par un losange.\u00a0Par exemple, la plupart des projets n\u00e9cessitent du personnel, des proc\u00e9dures et du mat\u00e9riel.\u00a0Le d\u00e9veloppeur de l&#8217;arbre peut d\u00e9cider de se concentrer sur l&#8217;aspect personnel de la proc\u00e9dure et non sur les aspects mat\u00e9riels ou proc\u00e9duraux.\u00a0Dans ce cas, le d\u00e9veloppeur utiliserait des losanges pour afficher les &#8220;proc\u00e9dures&#8221; et le &#8220;mat\u00e9riel&#8221; comme des \u00e9v\u00e9nements terminaux non d\u00e9velopp\u00e9s.<\/p>\n<figure id=\"e9c9\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0lIYh0HQS6_vvizYr.png\" data-image-id=\"0*lIYh0HQS6_vvizYr.png\" data-width=\"91\" data-height=\"71\" \/><\/figure>\n<p id=\"838d\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Ovale<\/strong>\u00a0\u200a\u2014 Un symbole ovale repr\u00e9sente une situation particuli\u00e8re qui ne peut se produire que si certaines circonstances se produisent.\u00a0Ceci est \u00e9nonc\u00e9 dans le symbole ovale.\u00a0Un exemple de ceci pourrait \u00eatre si des commutateurs doivent \u00eatre lanc\u00e9s dans une s\u00e9quence sp\u00e9cifique avant qu&#8217;une action n&#8217;ait lieu.<\/p>\n<figure id=\"151d\" class=\"graf graf--figure graf--layoutOutsetLeft graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0S6lmdn8v4g8kSA2u.png\" data-image-id=\"0*S6lmdn8v4g8kSA2u.png\" data-width=\"91\" data-height=\"75\" \/><\/figure>\n<p id=\"be1d\" class=\"graf graf--p graf-after--figure\"><strong class=\"markup--strong markup--p-strong\">Triangle<\/strong>\u00a0\u200a\u2014 Le triangle signifie un transfert d&#8217;une branche d&#8217;arbre de d\u00e9faillances vers un autre emplacement dans l&#8217;arbre.\u00a0Lorsqu&#8217;un triangle se connecte \u00e0 l&#8217;arbre avec une fl\u00e8che, tout ce qui est affich\u00e9 sous le point de connexion est transf\u00e9r\u00e9 vers une autre zone de l&#8217;arbre.\u00a0Cette zone est identifi\u00e9e par un triangle correspondant qui est reli\u00e9 \u00e0 l&#8217;arbre par une ligne verticale.\u00a0Des lettres, des chiffres ou des chiffres identifient un ensemble de symboles de transfert d&#8217;un autre.\u00a0Pour conserver la simplicit\u00e9 de l&#8217;arbre analytique, le symbole de transfert doit \u00eatre utilis\u00e9 avec parcimonie.<\/p>\n<h3 id=\"b7c7\" class=\"graf graf--h3 graf-after--p\"><span id=\"Generic_Fault_Tree_Diagram_Illustration\">Illustration du diagramme d&#8217;arbre de d\u00e9faillance g\u00e9n\u00e9rique<\/span><\/h3>\n<figure id=\"b12d\" class=\"graf graf--figure graf-after--h3\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0Qk56YYuWHAv3CrEb.png\" data-image-id=\"0*Qk56YYuWHAv3CrEb.png\" data-width=\"631\" data-height=\"567\" data-is-featured=\"true\" \/><\/figure>\n<p id=\"317d\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/a63c2ad3-7a98-4fea-b73e-76de2ab4c3fc.xml&amp;name=Fault%20Tree%20Diagram%20Illustration\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/a63c2ad3-7a98-4fea-b73e-76de2ab4c3fc.xml&amp;name=Fault%20Tree%20Diagram%20Illustration\">Modifier ce diagramme<\/a><\/p>\n<h3 id=\"4de2\" class=\"graf graf--h3 graf-after--p\"><span id=\"Fault_tree_development_steps\">\u00c9tapes de d\u00e9veloppement de l&#8217;arbre de d\u00e9faillances<\/span><\/h3>\n<p id=\"8b8a\" class=\"graf graf--p graf-after--h3\">Pour faire un FTA complet, suivez ces \u00e9tapes :<\/p>\n<ol class=\"postList\">\n<li id=\"3e9b\" class=\"graf graf--li graf-after--p\"><strong class=\"markup--strong markup--li-strong\">D\u00e9finir le syst\u00e8me<\/strong>\u00a0.\u00a0Cela inclut la port\u00e9e de l&#8217;analyse, y compris la d\u00e9finition de ce qui est consid\u00e9r\u00e9 comme un \u00e9chec.\u00a0Cela devient important lorsqu&#8217;un syst\u00e8me peut avoir un \u00e9l\u00e9ment en panne ou une seule fonction en panne et que le reste du syst\u00e8me fonctionne toujours.<\/li>\n<li id=\"20fe\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\">D\u00e9finir les d\u00e9fauts de niveau sup\u00e9rieur<\/strong>\u00a0.\u00a0D\u00e9finissez la condition de panne et notez la panne de niveau sup\u00e9rieur.<\/li>\n<li id=\"2250\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\">Identifiez les causes de l&#8217;erreur de niveau sup\u00e9rieur<\/strong>\u00a0.\u00a0\u00c0 l&#8217;aide d&#8217;informations techniques et de jugements professionnels, d\u00e9terminez les raisons possibles de l&#8217;\u00e9chec.\u00a0N&#8217;oubliez pas qu&#8217;il s&#8217;agit d&#8217;\u00e9l\u00e9ments de niveau deux, car ils se situent juste en dessous de l&#8217;\u00e9chec de niveau sup\u00e9rieur dans l&#8217;arborescence.<\/li>\n<li id=\"f4ec\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\">Identifiez le prochain niveau d&#8217;\u00e9v\u00e9nements<\/strong>\u00a0.\u00a0Continuez \u00e0 d\u00e9composer chaque \u00e9l\u00e9ment avec des portes suppl\u00e9mentaires vers des niveaux inf\u00e9rieurs.\u00a0Tenez compte des relations entre les \u00e9l\u00e9ments pour vous aider \u00e0 d\u00e9cider d&#8217;utiliser une porte logique \u00ab et \u00bb ou \u00ab ou \u00bb.<\/li>\n<li id=\"32fe\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\">Ajouter des probabilit\u00e9s aux \u00e9v\u00e9nements<\/strong>\u00a0.\u00a0Si possible, \u00e9valuez la probabilit\u00e9 d&#8217;occurrence pour chacun des \u00e9l\u00e9ments de niveau le plus bas et calculez les probabilit\u00e9s statistiques de bas en haut.<\/li>\n<li id=\"2f25\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\">Finalisez et r\u00e9visez le diagramme complet<\/strong>\u00a0.\u00a0La cha\u00eene ne peut \u00eatre interrompue que par une faute \u00e9l\u00e9mentaire : humaine, mat\u00e9rielle ou logicielle.<\/li>\n<\/ol>\n<h3 id=\"5493\" class=\"graf graf--h3 graf-after--li\"><span id=\"Fault_Tree_Diagram_Example_Light_cannot_turn_on\">Exemple de diagramme d&#8217;arbre de d\u00e9faillances \u2014 La lumi\u00e8re ne peut pas s&#8217;allumer<\/span><\/h3>\n<p id=\"3df0\" class=\"graf graf--p graf-after--h3\">Examinons un exemple d&#8217;analyse d&#8217;arbre de d\u00e9faillances de base\u00a0: vous actionnez un interrupteur pour allumer une lumi\u00e8re, mais la lumi\u00e8re ne s&#8217;allume pas.\u00a0La condition de panne est &#8220;Pas de lumi\u00e8re dans la pi\u00e8ce&#8221;, c&#8217;est donc le d\u00e9but du sch\u00e9ma<\/p>\n<p id=\"6789\" class=\"graf graf--p graf-after--p\">Ensuite, quelles sont les raisons potentielles pour lesquelles la lumi\u00e8re ne s&#8217;est pas allum\u00e9e\u00a0?<\/p>\n<figure id=\"2e3c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0fvkOo8WAdZPAgawk.png\" data-image-id=\"0*fvkOo8WAdZPAgawk.png\" data-width=\"564\" data-height=\"494\" \/><\/figure>\n<p id=\"c4cc\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/f5c93b5a-e4ad-4c73-9971-be33ef77cb50.xml&amp;name=No%20Light%20in%20Room\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/f5c93b5a-e4ad-4c73-9971-be33ef77cb50.xml&amp;name=No%20Light%20in%20Room\">Modifier ce diagramme<\/a><\/p>\n<h3 id=\"f917\" class=\"graf graf--h3 graf-after--p\"><span id=\"Fault_Tree_Example_System_no_Warning_Template\">Exemple d&#8217;arbre de d\u00e9faillances \u2014 Syst\u00e8me sans mod\u00e8le d&#8217;avertissement<\/span><\/h3>\n<figure id=\"0321\" class=\"graf graf--figure graf-after--h3\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0iBfDTkCkkNWfmV-b.png\" data-image-id=\"0*iBfDTkCkkNWfmV-b.png\" data-width=\"986\" data-height=\"764\" \/><\/figure>\n<p id=\"28c6\" class=\"graf graf--p graf-after--figure graf--trailing\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/58495657-e28b-4910-929c-2514290a380c.xml&amp;name=System%20no%20Warning\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/58495657-e28b-4910-929c-2514290a380c.xml&amp;name=System%20no%20Warning\">Modifier ce diagramme<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body section--last\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\" \/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h4 id=\"7f84\" class=\"graf graf--h4 graf--leading\"><span id=\"Online_Fault_Tree_Maker\">Cr\u00e9ateur d&#8217;arbres de d\u00e9faillances en ligne<\/span><\/h4>\n<p id=\"a659\" class=\"graf graf--p graf-after--h4\">Visual Paradigm Online est l&#8217;un des rares logiciels sur le march\u00e9 \u00e0 prendre en charge les logiciels d&#8217;analyse d&#8217;arbres de d\u00e9faillances.\u00a0Que vous soyez un d\u00e9butant ou un professionnel, dessiner une analyse d&#8217;arbre de d\u00e9faillances est simple et intuitif gr\u00e2ce au riche ensemble de symboles et de mod\u00e8les d&#8217;analyse d&#8217;arbres de d\u00e9faillances de VP Online.\u00a0VP Online est un logiciel de cartographie en ligne qui s&#8217;ex\u00e9cute sur n&#8217;importe quel appareil, dans n&#8217;importe quel navigateur.<\/p>\n<h4 id=\"1183\" class=\"graf graf--h4 graf-after--p\"><span id=\"Learn_by_Example_Fault_tree_Template\">Apprendre par l&#8217;exemple\u00a0: mod\u00e8le d&#8217;arbre de d\u00e9faillances<\/span><\/h4>\n<p id=\"fe8b\" class=\"graf graf--p graf-after--h4\">Un ensemble de mod\u00e8les d&#8217;analyse d&#8217;arbre de d\u00e9faillance est disponible.\u00a0Que vous ayez besoin de d\u00e9velopper une analyse d&#8217;arbre de d\u00e9faillances ou simplement d&#8217;avoir des id\u00e9es et de modifier le mod\u00e8le en fonction de vos besoins.<\/p>\n<figure id=\"9170\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0wyq-uJxQYG3RkEKy.png\" data-image-id=\"0*wyq-uJxQYG3RkEKy.png\" data-width=\"650\" data-height=\"681\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"6256\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/187e0f3f-c76e-4316-b404-c760210a457a.xml&amp;name=Fault%20Tree%20Missed%20Bus%20Example\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/187e0f3f-c76e-4316-b404-c760210a457a.xml&amp;name=Fault%20Tree%20Missed%20Bus%20Example\">Arbre de d\u00e9faillances Exemple de bus manqu\u00e9<\/a><\/li>\n<\/ul>\n<figure id=\"b1e5\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0cL0hDnfnJ0fFi9Pd.png\" data-image-id=\"0*cL0hDnfnJ0fFi9Pd.png\" data-width=\"988\" data-height=\"765\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"d27e\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/58495657-e28b-4910-929c-2514290a380c.xml&amp;name=System%20no%20Warning\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/58495657-e28b-4910-929c-2514290a380c.xml&amp;name=System%20no%20Warning\">Syst\u00e8me pas d&#8217;avertissement<\/a><\/li>\n<\/ul>\n<figure id=\"56f2\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0brMS1z4j65_6q0lC.png\" data-image-id=\"0*brMS1z4j65_6q0lC.png\" data-width=\"566\" data-height=\"496\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"0a10\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/f5c93b5a-e4ad-4c73-9971-be33ef77cb50.xml&amp;name=No%20Light%20in%20Room\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/f5c93b5a-e4ad-4c73-9971-be33ef77cb50.xml&amp;name=No%20Light%20in%20Room\">Pas de lumi\u00e8re dans la chambre<\/a><\/li>\n<\/ul>\n<figure id=\"805a\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0AW2vfRZKbF_vH9p8.png\" data-image-id=\"0*AW2vfRZKbF_vH9p8.png\" data-width=\"633\" data-height=\"569\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"8387\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/a63c2ad3-7a98-4fea-b73e-76de2ab4c3fc.xml&amp;name=Fault%20Tree%20Diagram%20Illustration\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/a63c2ad3-7a98-4fea-b73e-76de2ab4c3fc.xml&amp;name=Fault%20Tree%20Diagram%20Illustration\">Illustration du diagramme d&#8217;arbre de d\u00e9faillances<\/a><\/li>\n<\/ul>\n<figure id=\"ffc3\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0kG2wMWA3JLkX5pBD.png\" data-image-id=\"0*kG2wMWA3JLkX5pBD.png\" data-width=\"1200\" data-height=\"598\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"b4ef\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/5b2ada0d-1e93-473b-a6da-0cb3b3233dbf.xml&amp;name=Educational%20Fault%20Tree%20Analysis%20Example\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/5b2ada0d-1e93-473b-a6da-0cb3b3233dbf.xml&amp;name=Educational%20Fault%20Tree%20Analysis%20Example\">Exemple d&#8217;analyse d&#8217;arbre de d\u00e9faillance p\u00e9dagogique<\/a><\/li>\n<\/ul>\n<figure id=\"7ab8\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0SkdKWl8sw7eac1lS.png\" data-image-id=\"0*SkdKWl8sw7eac1lS.png\" data-width=\"1073\" data-height=\"614\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"8eff\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/4715f39c-2f9b-4fa5-9675-56168f2f2c43.xml&amp;name=Growth%20obstacles%20Fault%20Tree%20Analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/4715f39c-2f9b-4fa5-9675-56168f2f2c43.xml&amp;name=Growth%20obstacles%20Fault%20Tree%20Analysis\">Obstacles \u00e0 la croissance Analyse par arbre de d\u00e9faillances<\/a><\/li>\n<\/ul>\n<figure id=\"826d\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0WYXLZGhHMk-aOBvc.png\" data-image-id=\"0*WYXLZGhHMk-aOBvc.png\" data-width=\"907\" data-height=\"762\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"2292\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/7c39254b-f953-4ec6-a550-a207fe3aa42c.xml&amp;name=Component%20Flow%20Fault%20Tree%20Analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/7c39254b-f953-4ec6-a550-a207fe3aa42c.xml&amp;name=Component%20Flow%20Fault%20Tree%20Analysis\">Analyse de l&#8217;arbre de d\u00e9faillance des flux de composants<\/a><\/li>\n<\/ul>\n<figure id=\"4286\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0MZLJs2LTrsnR4sMY.png\" data-image-id=\"0*MZLJs2LTrsnR4sMY.png\" data-width=\"824\" data-height=\"1152\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"7b8a\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/9778d037-541c-4d06-8bf1-070cd3c63272.xml&amp;name=Fault%20Tree%20Analysis%20Sample\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/9778d037-541c-4d06-8bf1-070cd3c63272.xml&amp;name=Fault%20Tree%20Analysis%20Sample\">Exemple d&#8217;analyse d&#8217;arbre de d\u00e9faillances<\/a><\/li>\n<\/ul>\n<figure id=\"d4f5\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0Cdd7WxPBF-lNFjo3.png\" data-image-id=\"0*Cdd7WxPBF-lNFjo3.png\" data-width=\"904\" data-height=\"821\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"a703\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/c3b30325-c045-42c9-a48f-ec69ed996d02.xml&amp;name=Fault%20Tree%20Analysis%20for%20Missing%20the%20Bus\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/c3b30325-c045-42c9-a48f-ec69ed996d02.xml&amp;name=Fault%20Tree%20Analysis%20for%20Missing%20the%20Bus\">Analyse de l&#8217;arbre de d\u00e9faillances en cas d&#8217;absence du bus<\/a><\/li>\n<\/ul>\n<figure id=\"fe36\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0PD8YTJZjQTct-jnz.png\" data-image-id=\"0*PD8YTJZjQTct-jnz.png\" data-width=\"1200\" data-height=\"685\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"a973\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/3f11f402-5763-4376-a7a4-9aaaef279ce3.xml&amp;name=Electrical%20Fault%20Tree%20Analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/3f11f402-5763-4376-a7a4-9aaaef279ce3.xml&amp;name=Electrical%20Fault%20Tree%20Analysis\">Analyse de l&#8217;arbre de d\u00e9faillance \u00e9lectrique<\/a><\/li>\n<\/ul>\n<figure id=\"c4c9\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0NpjDzpqfIqeWZobh.png\" data-image-id=\"0*NpjDzpqfIqeWZobh.png\" data-width=\"993\" data-height=\"789\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"098b\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/90430f41-0f52-4321-ba85-7fd932d2bfbf.xml&amp;name=Gas%20Pipes%20Fault%20Tree%20Analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/90430f41-0f52-4321-ba85-7fd932d2bfbf.xml&amp;name=Gas%20Pipes%20Fault%20Tree%20Analysis\">Analyse de l&#8217;arbre de d\u00e9faillance des conduites de gaz<\/a><\/li>\n<\/ul>\n<figure id=\"bbe3\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0g7xxkzkwPZeh00dk.png\" data-image-id=\"0*g7xxkzkwPZeh00dk.png\" data-width=\"847\" data-height=\"1200\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"9b46\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/1d1ce2c0-ce51-4cd2-bd70-11e3735c81cd.xml&amp;name=Mid%20Size%20Fault%20Tree%20Analysis%20Example\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/1d1ce2c0-ce51-4cd2-bd70-11e3735c81cd.xml&amp;name=Mid%20Size%20Fault%20Tree%20Analysis%20Example\">Exemple d&#8217;analyse d&#8217;arbre de d\u00e9faillances de taille moyenne<\/a><\/li>\n<\/ul>\n<figure id=\"a1d7\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/0P4Vw2HlbH2jqj2gy.png\" data-image-id=\"0*P4Vw2HlbH2jqj2gy.png\" data-width=\"679\" data-height=\"776\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"cac4\" class=\"graf graf--li graf-after--figure\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/0caf3cac-96a9-4cb0-b573-aae7f440727b.xml&amp;name=Fault%20Tree%20Analysis%20Example\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/0caf3cac-96a9-4cb0-b573-aae7f440727b.xml&amp;name=Fault%20Tree%20Analysis%20Example\">Exemple d&#8217;analyse d&#8217;arbre de d\u00e9faillances<\/a><\/li>\n<\/ul>\n<figure id=\"8a66\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2022\/01\/09Tiwm_bG1DbXVIw.png\" data-image-id=\"0*9Tiwm_bG1DbXVIw_.png\" data-width=\"738\" data-height=\"584\" \/><\/figure>\n<ul class=\"postList\">\n<li id=\"fbde\" class=\"graf graf--li graf-after--figure graf--trailing\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/8ee11047-eb12-4523-aa29-be60d8881bbd.xml&amp;name=Basic%20Fault%20Tree%20Analysis\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=FaultTreeAnalysis&amp;gallery=\/repository\/8ee11047-eb12-4523-aa29-be60d8881bbd.xml&amp;name=Basic%20Fault%20Tree%20Analysis\">Analyse d&#8217;arbre de d\u00e9faillance de base<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;analyse par arbre de d\u00e9faillance (ADF) est une analyse de d\u00e9faillance d\u00e9ductive descendante dans laquelle la logique bool\u00e9enne est utilis\u00e9e en conjonction avec une s\u00e9rie d&#8217;\u00e9v\u00e9nements de bas niveau pour analyser les \u00e9tats inattendus du syst\u00e8me. Cette m\u00e9thode d&#8217;analyse est principalement utilis\u00e9e en ing\u00e9nierie de la s\u00e9curit\u00e9 et en ing\u00e9nierie de la fiabilit\u00e9 pour comprendre comment les syst\u00e8mes tombent en panne, d\u00e9terminer la meilleure fa\u00e7on de r\u00e9duire les risques et d\u00e9terminer (ou sentir) le taux d&#8217;\u00e9v\u00e9nements des incidents de s\u00e9curit\u00e9 ou des d\u00e9faillances (fonctionnelles) sp\u00e9cifiques au niveau du syst\u00e8me.<\/p>\n","protected":false},"author":5,"featured_media":10263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[11,13],"tags":[],"class_list":["post-10261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lean-approach","category-online-diagrams"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tutoriel sur le diagramme d&#039;arbre de d\u00e9faillances - Cyberm\u00e9diane<\/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.cybermedian.com\/fr\/fault-tree-diagram-tutorial\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tutoriel sur le diagramme d&#039;arbre de d\u00e9faillances - Cyberm\u00e9diane\" \/>\n<meta property=\"og:description\" content=\"L&#039;analyse par arbre de d\u00e9faillance (ADF) est une analyse de d\u00e9faillance d\u00e9ductive descendante dans laquelle la logique bool\u00e9enne est utilis\u00e9e en conjonction avec une s\u00e9rie d&#039;\u00e9v\u00e9nements de bas niveau pour analyser les \u00e9tats inattendus du syst\u00e8me. 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