{"id":613,"date":"2022-01-26T01:51:03","date_gmt":"2022-01-26T01:51:03","guid":{"rendered":"https:\/\/www.cybermedian.com\/pt\/?p=613"},"modified":"2022-04-01T11:14:19","modified_gmt":"2022-04-01T03:14:19","slug":"fault-tree-diagram-tutorial","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/pt\/fault-tree-diagram-tutorial\/","title":{"rendered":"Tutorial do diagrama de \u00e1rvore de falhas"},"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\/\"><span>A An\u00e1lise de \u00c1rvore de Falhas<\/span><\/a><span>\u00a0\u00a0foi introduzida em 1962 pela Bell Laboratories e \u00e9 uma das mais amplamente utilizadas para resolver uma ampla variedade de problemas, desde quest\u00f5es de seguran\u00e7a at\u00e9 quest\u00f5es de gerenciamento.<\/span><\/p>\n<p id=\"6aef\" class=\"graf graf--p graf-after--p\"><span>A an\u00e1lise de \u00e1rvore de falhas (FTA) \u00e9 uma an\u00e1lise dedutiva de falhas de cima para baixo na qual a l\u00f3gica booleana \u00e9 usada em conjunto com uma s\u00e9rie de eventos de baixo n\u00edvel para analisar os estados inesperados do sistema.\u00a0Este m\u00e9todo de an\u00e1lise \u00e9 usado principalmente em engenharia de seguran\u00e7a e engenharia de confiabilidade para entender como os sistemas falham, determinar a melhor maneira de reduzir o risco e determinar (ou sentir) a taxa de eventos de incidentes de seguran\u00e7a ou falhas espec\u00edficas no n\u00edvel do sistema (funcionais).<\/span><\/p>\n<h4 id=\"7bc7\" class=\"graf graf--h4 graf-after--p\"><span id=\"Purpose_of_Fault_Tree_Analysis\"><span>Finalidade da An\u00e1lise da \u00c1rvore de Falhas?<\/span><\/span><\/h4>\n<p id=\"6c44\" class=\"graf graf--p graf-after--h4\"><span>O principal objetivo da an\u00e1lise da \u00e1rvore de falhas \u00e9 ajudar a identificar as causas potenciais das falhas do sistema antes que as falhas ocorram.\u00a0Voc\u00ea tamb\u00e9m pode usar m\u00e9todos anal\u00edticos ou estat\u00edsticos para avaliar a probabilidade dos principais eventos.\u00a0Esses c\u00e1lculos incluem informa\u00e7\u00f5es quantitativas de confiabilidade e manuten\u00e7\u00e3o do sistema, como probabilidade de falha, taxa de falha e taxa de reparo.\u00a0Depois de concluir o FTA, voc\u00ea pode se concentrar em melhorar a seguran\u00e7a e a confiabilidade do sistema.<\/span><\/p>\n<p id=\"9c2d\" class=\"graf graf--p graf-after--p\"><span>A an\u00e1lise t\u00edpica da \u00e1rvore de falhas come\u00e7a com uma falha potencial e, em seguida, funciona de tr\u00e1s para frente por meio de uma representa\u00e7\u00e3o visual chamada diagrama de \u00e1rvore de falhas para determinar os poss\u00edveis fatores de influ\u00eancia.\u00a0A \u00e1rvore de falhas adota uma abordagem de cima para baixo, come\u00e7a com o resultado (uma condi\u00e7\u00e3o de falha potencial) e ent\u00e3o avalia os fatores que podem levar \u00e0 falha.<\/span><\/p>\n<h4 id=\"da49\" class=\"graf graf--h4 graf-after--p\"><span id=\"Who_fault_tree_analysis\"><span>Quem falha a an\u00e1lise da \u00e1rvore<\/span><\/span><\/h4>\n<p id=\"226a\" class=\"graf graf--p graf-after--h4\"><span>O FTA \u00e9 aplicado \u00e0s ind\u00fastrias aeroespacial, nuclear, qu\u00edmica, farmac\u00eautica, petroqu\u00edmica e outras ind\u00fastrias de alto risco;\u00a0Tamb\u00e9m \u00e9 usado para fins de depura\u00e7\u00e3o em engenharia de software, que est\u00e1 intimamente relacionado \u00e0 tecnologia de elimina\u00e7\u00e3o de causa usada para detectar bugs.<\/span><\/p>\n<h3 id=\"8bbd\" class=\"graf graf--h3 graf-after--p\"><span id=\"FTA_Notation\"><span>Nota\u00e7\u00e3o FTA<\/span><\/span><\/h3>\n<p id=\"fb4f\" class=\"graf graf--p graf-after--h3\"><span>Uma An\u00e1lise de \u00c1rvore de Falhas usa alguns s\u00edmbolos b\u00e1sicos para delinear v\u00e1rios pontos, causas e efeitos em um processo.\u00a0Existem muitos s\u00edmbolos, mas aqui est\u00e3o alguns dos princ\u00edpios b\u00e1sicos para ajud\u00e1-lo a come\u00e7ar a projetar um diagrama de \u00e1rvore de falhas.<\/span><\/p>\n<p id=\"1cca\" class=\"graf graf--p graf-after--p\"><span>Os s\u00edmbolos s\u00e3o usados \u200b\u200bpara representar v\u00e1rios eventos e descrever relacionamentos:<\/span><\/p>\n<h3 id=\"bf33\" class=\"graf graf--h3 graf-after--p\"><span id=\"Gate_Symbols\"><span>S\u00edmbolos de port\u00e3o<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>E gate<\/span><\/strong><span>\u00a0\u200a\u2014 representa uma condi\u00e7\u00e3o na qual todos os eventos mostrados abaixo do port\u00e3o (port\u00e3o de entrada) devem estar presentes para que o evento mostrado acima do port\u00e3o (evento de sa\u00edda) ocorra.\u00a0Isso significa que o evento de sa\u00edda ocorrer\u00e1 somente se todos os eventos de entrada existirem simultaneamente.<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Ou port\u00e3o<\/span><\/strong><span>\u00a0\u200a\u2014 representa uma situa\u00e7\u00e3o em que qualquer um dos eventos mostrados abaixo do port\u00e3o (port\u00e3o de entrada) levar\u00e1 ao evento mostrado acima do port\u00e3o (evento de sa\u00edda).\u00a0O evento ocorrer\u00e1 se existir apenas um ou qualquer combina\u00e7\u00e3o dos eventos de entrada.<\/span><\/p>\n<h3 id=\"dfb6\" class=\"graf graf--h3 graf-after--p\"><span id=\"Event_symbols\"><span>S\u00edmbolos de eventos<\/span><\/span><\/h3>\n<p id=\"fa61\" class=\"graf graf--p graf-after--h3\"><span>Existem cinco tipos de s\u00edmbolos de eventos:<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Ret\u00e2ngulo<\/span><\/strong><span>\u00a0\u200a\u2014 O ret\u00e2ngulo \u00e9 o principal bloco de constru\u00e7\u00e3o da \u00e1rvore anal\u00edtica.\u00a0Ele representa o evento negativo e est\u00e1 localizado no topo da \u00e1rvore e pode ser localizado em toda a \u00e1rvore para indicar outros eventos que podem ser decompostos ainda mais.\u00a0Este \u00e9 o \u00fanico s\u00edmbolo que ter\u00e1 uma porta l\u00f3gica e eventos de entrada abaixo dela.<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>C\u00edrculo<\/span><\/strong><span>\u00a0\u200a\u2014 Um c\u00edrculo representa um evento base na \u00e1rvore.\u00a0Estes s\u00e3o encontrados nas camadas inferiores da \u00e1rvore e n\u00e3o requerem mais desenvolvimento ou divis\u00e3o.\u00a0N\u00e3o h\u00e1 port\u00f5es ou eventos abaixo do evento base.<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Diamante<\/span><\/strong><span>\u00a0\u200a\u2014 O diamante identifica um evento terminal n\u00e3o desenvolvido.\u00a0Tal evento n\u00e3o \u00e9 totalmente desenvolvido por falta de informa\u00e7\u00e3o ou signific\u00e2ncia.\u00a0Um galho de \u00e1rvore de falhas pode terminar com um diamante.\u00a0Por exemplo, a maioria dos projetos requer pessoal, procedimentos e hardware.\u00a0O desenvolvedor da \u00e1rvore pode decidir se concentrar no aspecto pessoal do procedimento e n\u00e3o no hardware ou nos aspectos processuais.\u00a0Nesse caso, o desenvolvedor usaria diamantes para mostrar \u201cprocedimentos\u201d e \u201chardware\u201d como eventos de terminal n\u00e3o desenvolvidos.<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Oval<\/span><\/strong><span>\u00a0\u200a\u2014 Um s\u00edmbolo oval representa uma situa\u00e7\u00e3o especial que s\u00f3 pode acontecer se ocorrerem certas circunst\u00e2ncias.\u00a0Isso est\u00e1 escrito no s\u00edmbolo oval.\u00a0Um exemplo disso pode ser se os interruptores devem ser acionados em uma sequ\u00eancia espec\u00edfica antes que uma a\u00e7\u00e3o ocorra.<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Tri\u00e2ngulo<\/span><\/strong><span>\u00a0\u200a\u2014 O tri\u00e2ngulo significa uma transfer\u00eancia de um galho de \u00e1rvore de falha para outro local dentro da \u00e1rvore.\u00a0Onde um tri\u00e2ngulo se conecta \u00e0 \u00e1rvore com uma seta, tudo mostrado abaixo do ponto de conex\u00e3o \u00e9 transferido para outra \u00e1rea da \u00e1rvore.\u00a0Esta \u00e1rea \u00e9 identificada por um tri\u00e2ngulo correspondente que est\u00e1 conectado \u00e0 \u00e1rvore com uma linha vertical.\u00a0Letras, n\u00fameros ou figuras identificam um conjunto de s\u00edmbolos de transfer\u00eancia de outro.\u00a0Para manter a simplicidade da \u00e1rvore anal\u00edtica, o s\u00edmbolo de transfer\u00eancia deve ser usado com modera\u00e7\u00e3o.<\/span><\/p>\n<h3 id=\"b7c7\" class=\"graf graf--h3 graf-after--p\"><span id=\"Generic_Fault_Tree_Diagram_Illustration\"><span>Ilustra\u00e7\u00e3o do diagrama de \u00e1rvore de falhas gen\u00e9ricas<\/span><\/span><\/h3>\n<figure id=\"b12d\" class=\"graf graf--figure graf-after--h3\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Editar este diagrama<\/span><\/a><\/p>\n<h3 id=\"4de2\" class=\"graf graf--h3 graf-after--p\"><span id=\"Fault_tree_development_steps\"><span>Etapas de desenvolvimento da \u00e1rvore de falhas<\/span><\/span><\/h3>\n<p id=\"8b8a\" class=\"graf graf--p graf-after--h3\"><span>Para fazer um FTA abrangente, siga estas etapas:<\/span><\/p>\n<ol class=\"postList\">\n<li id=\"3e9b\" class=\"graf graf--li graf-after--p\"><strong class=\"markup--strong markup--li-strong\"><span>Defina o sistema<\/span><\/strong><span>\u00a0.\u00a0Isso inclui o escopo da an\u00e1lise, incluindo a defini\u00e7\u00e3o do que \u00e9 considerado uma falha.\u00a0Isso se torna importante quando um sistema pode ter um elemento com falha ou uma \u00fanica fun\u00e7\u00e3o falha e o restante do sistema ainda opera.<\/span><\/li>\n<li id=\"20fe\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\"><span>Definir falhas de n\u00edvel superior<\/span><\/strong><span>\u00a0.\u00a0Defina a condi\u00e7\u00e3o de falha e anote a falha de n\u00edvel superior.<\/span><\/li>\n<li id=\"2250\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\"><span>Identifique as causas da falha de n\u00edvel superior<\/span><\/strong><span>\u00a0.\u00a0Usando informa\u00e7\u00f5es t\u00e9cnicas e julgamentos profissionais, determine as poss\u00edveis raz\u00f5es para a falha ocorrer.\u00a0Lembre-se, esses s\u00e3o elementos de n\u00edvel dois porque eles ficam logo abaixo da falha de n\u00edvel superior na \u00e1rvore.<\/span><\/li>\n<li id=\"f4ec\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\"><span>Identifique o pr\u00f3ximo n\u00edvel de eventos<\/span><\/strong><span>\u00a0.\u00a0Continue a quebrar cada elemento com port\u00f5es adicionais para n\u00edveis mais baixos.\u00a0Considere as rela\u00e7\u00f5es entre os elementos para ajud\u00e1-lo a decidir se deve usar uma porta l\u00f3gica \u201ce\u201d ou \u201cou\u201d.<\/span><\/li>\n<li id=\"32fe\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\"><span>Adicione probabilidades a eventos<\/span><\/strong><span>\u00a0.\u00a0Se poss\u00edvel, avalie a probabilidade de ocorr\u00eancia para cada um dos elementos de n\u00edvel mais baixo e calcule as probabilidades estat\u00edsticas de baixo para cima.<\/span><\/li>\n<li id=\"2f25\" class=\"graf graf--li graf-after--li\"><strong class=\"markup--strong markup--li-strong\"><span>Finalize e revise o diagrama completo<\/span><\/strong><span>\u00a0.\u00a0A cadeia s\u00f3 pode ser encerrada em uma falha b\u00e1sica: humana, hardware ou software.<\/span><\/li>\n<\/ol>\n<h3 id=\"5493\" class=\"graf graf--h3 graf-after--li\"><span id=\"Fault_Tree_Diagram_Example_Light_cannot_turn_on\"><span>Exemplo de diagrama de \u00e1rvore de falhas \u2014 a luz n\u00e3o pode acender<\/span><\/span><\/h3>\n<p id=\"3df0\" class=\"graf graf--p graf-after--h3\"><span>Vejamos um exemplo de uma an\u00e1lise b\u00e1sica de \u00e1rvore de falhas: voc\u00ea aperta um interruptor para acender uma luz, mas a luz n\u00e3o acende.\u00a0A condi\u00e7\u00e3o de falha \u00e9 &#8220;Sem luz na sala&#8221;, ent\u00e3o esse \u00e9 o in\u00edcio do diagrama<\/span><\/p>\n<p id=\"6789\" class=\"graf graf--p graf-after--p\"><span>Em seguida, quais s\u00e3o as poss\u00edveis raz\u00f5es pelas quais a luz n\u00e3o acendeu?<\/span><\/p>\n<figure id=\"2e3c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Editar este diagrama<\/span><\/a><\/p>\n<h3 id=\"f917\" class=\"graf graf--h3 graf-after--p\"><span id=\"Fault_Tree_Example_System_no_Warning_Template\"><span>Exemplo de \u00e1rvore de falhas &#8211; Modelo sem sistema de aviso<\/span><\/span><\/h3>\n<figure id=\"0321\" class=\"graf graf--figure graf-after--h3\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Editar este diagrama<\/span><\/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\"><span>Criador de \u00c1rvores de Falhas Online<\/span><\/span><\/h4>\n<p id=\"a659\" class=\"graf graf--p graf-after--h4\"><span>O Visual Paradigm Online \u00e9 um dos poucos softwares no mercado hoje que suporta software de an\u00e1lise de \u00e1rvore de falhas.\u00a0Seja voc\u00ea um iniciante ou um profissional, desenhar a an\u00e1lise da \u00e1rvore de falhas \u00e9 simples e intuitivo usando o rico conjunto de s\u00edmbolos e modelos de an\u00e1lise da \u00e1rvore de falhas do VP Online.\u00a0VP Online \u00e9 um software de gr\u00e1ficos online que roda em qualquer dispositivo, em qualquer navegador.<\/span><\/p>\n<h4 id=\"1183\" class=\"graf graf--h4 graf-after--p\"><span id=\"Learn_by_Example_Fault_tree_Template\"><span>Aprenda pelo exemplo: modelo de \u00e1rvore de falhas<\/span><\/span><\/h4>\n<p id=\"fe8b\" class=\"graf graf--p graf-after--h4\"><span>Um conjunto de modelos de an\u00e1lise de \u00e1rvore de falhas est\u00e1 dispon\u00edvel.\u00a0Se voc\u00ea precisa desenvolver uma an\u00e1lise de \u00e1rvore de falhas ou apenas obter algumas ideias e modificar o modelo para atender \u00e0s suas necessidades.<\/span><\/p>\n<figure id=\"9170\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Exemplo de Barramento Perdido da \u00c1rvore de Falhas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Sistema sem aviso<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Sem luz no quarto<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Ilustra\u00e7\u00e3o do Diagrama de \u00c1rvore de Falhas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Exemplo de An\u00e1lise de \u00c1rvore de Falhas Educacional<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Obst\u00e1culos ao crescimento An\u00e1lise da \u00e1rvore de falhas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>An\u00e1lise da \u00e1rvore de falhas de fluxo de componentes<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Amostra de An\u00e1lise de \u00c1rvore de Falhas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>An\u00e1lise da \u00c1rvore de Falhas por Perder o \u00d4nibus<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>An\u00e1lise da \u00e1rvore de falhas el\u00e9tricas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>An\u00e1lise da \u00e1rvore de falhas de tubula\u00e7\u00f5es de g\u00e1s<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Exemplo de an\u00e1lise de \u00e1rvore de falhas de tamanho m\u00e9dio<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>Exemplo de An\u00e1lise de \u00c1rvore de Falhas<\/span><\/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\/pt\/wp-content\/uploads\/sites\/11\/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\"><span>An\u00e1lise b\u00e1sica da \u00e1rvore de falhas<\/span><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>A an\u00e1lise de \u00e1rvore de falhas (FTA) \u00e9 uma an\u00e1lise de falha dedutiva de cima para baixo na qual a l\u00f3gica booleana \u00e9 usada em conjunto com uma s\u00e9rie de eventos de baixo n\u00edvel para analisar os estados inesperados do sistema. Este m\u00e9todo de an\u00e1lise \u00e9 usado principalmente em engenharia de seguran\u00e7a e engenharia de confiabilidade para entender como os sistemas falham, determinar a melhor maneira de reduzir o risco e determinar (ou sentir) a taxa de eventos de incidentes de seguran\u00e7a ou falhas (funcionais) espec\u00edficas do sistema.<\/p>\n","protected":false},"author":1,"featured_media":964,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[11,13],"tags":[52,63,62,53],"class_list":["post-613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lean-approach","category-online-diagrams","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tutorial do diagrama de \u00e1rvore de falhas - Cibermediano<\/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\/pt\/fault-tree-diagram-tutorial\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tutorial do diagrama de \u00e1rvore de falhas - Cibermediano\" \/>\n<meta property=\"og:description\" content=\"A an\u00e1lise de \u00e1rvore de falhas (FTA) \u00e9 uma an\u00e1lise de falha dedutiva de cima para baixo na qual a l\u00f3gica booleana \u00e9 usada em conjunto com uma s\u00e9rie de eventos de baixo n\u00edvel para analisar os estados inesperados do sistema. 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