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      Diretrizes para identificação e análise de fontes de resiliência e fragilidades: estudo de caso em duas empresas de táxi-aéreo Translated title: A framework for identifying and analyzing sources of resilience and brittleness: a case study of two air taxi carriers

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          Abstract

          O crescente interesse pela engenharia de resiliência (ER) como um paradigma para a gestão da segurança em sistemas sociotécnicos complexos tem demandado métodos para que sejam realizadas avaliações sob essa perspectiva. Nesse contexto, o presente artigo apresenta diretrizes para identificar e analisar fontes de resiliência (FR) e fontes de fragilidades (FF) com impacto na segurança das operações. Inicialmente deve ser realizada uma descrição do sistema sociotécnico, explicitando as práticas informais que garantem a manutenção da sua operação. Em seguida deve ser elaborado e aplicado um protocolo para avaliar o uso de quatro princípios da ER. Uma vez identificadas, as fontes devem ser analisadas segundo cinco categorias: FR ou FF oposta; risco da FF; eficácia da FR; origem interna ou externa; origem formal ou informal. Um estudo de caso em duas empresas de táxi-aéreo ilustra a aplicação das diretrizes, salientando suas limitações, benefícios teóricos e práticos.

          Translated abstract

          The increasing interest in resilience engineering (RE) as a safety management paradigm for complex systems has demanded methods for undertaking safety assessments from its perspective. Thus, this article introduces a framework for identifying and analyzing sources of resilience (SR) and sources of brittleness (SB) that have an impact on safety. Firstly, a description of the socio-technical system should be performed, giving visibility to the informal practices that maintain the system operational. Next, a protocol to assess the use of four RE principles should be designed and applied. Based on the data generated in the previous stages, the sources might be identified and analyzed across five categories: the opposite SR or SB; the risk of the SB; the effectiveness of the SR; either originated from internal processes or external environment; either originated from formal or informal practices. A case study of two air taxi carriers illustrates the application of the framework, providing a basis on which one may discuss their drawbacks, practical and theoretical insights.

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            The difference: how the power of diversity creates better groups, firms, schools, and societies

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              Normal accidents: living with high-risk technologies

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                prod
                Production
                Prod.
                Associação Brasileira de Engenharia de Produção (São Paulo )
                1980-5411
                December 2013
                : 23
                : 4
                : 777-792
                Affiliations
                [1 ] Universidade Federal do Rio Grande do Sul Brazil
                [2 ] Universidade Federal do Rio Grande do Sul Brazil
                Article
                S0103-65132013000400009
                10.1590/S0103-65132013000400009
                1e4c839d-18f4-432b-8025-e1d17d62d5ce

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-6513&lng=en
                Categories
                ENGINEERING, MANUFACTURING

                General engineering
                Resilience engineering,Brittleness,Adaptations,Complex systems,Air taxi carriers,Engenharia de resiliência,Fragilidades,Adaptações,Sistemas complexos,Táxi-aéreo

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