The methodology can be applied during the design stage of automobile systems to evaluate the remanufacturability that will enhance the End-of-Life performance. A higher value of the remanufacturability index indicates that the automobile system has high potential for being remanufactured. The equivalent matrix of the digraph forms a remanufacturability function which leads to the evaluation of remanufactur-ability index. The remanufacturability directed graph (digraph) is defined the nodes of this represent the remanufacturability enhancing design attributes, while the edges represent their degrees of interrelationships. The design attributes and their interrelations with due consideration of their structure is modelled through the graph theory.
A structural methodology of graph theory and matrix approach is applied for developing the remanufacturability index. This paper develops a remanufacturability index for automobile systems based on the design attributes that affect the remanufacturability. Moreover, the attributes are interrelated with each other. These design attributes are comprised of several sub-attributes. The technical feasibility depends on the product design attributes that support remanufacturability. Remanufacturability, that is, the easiness for remanufacturing of products depends on the technical, environmental, and economic feasibilities. Product remanufacturability is considered as an End-of-Life performance booster. The growing concern over environmental protection is prompting automobile manufacturers to develop products with better End-of-Life performance.
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