Fuzzy Complexity Model for Enterprise Maintenance Projects

Complexity measures can be used as a yardstick for budgeting, resource allocation, and planning in enterprise maintenance projects. Maintenance projects have two primary areas of complexity (i.e., technical and managerial aspects) that may not be measured precisely due to uncertain situations. In this study, a fuzzy graph-based model to measure the relative complexity of projects is presented that uses an aggregation operator to mitigate the conflict of experts' opinions on a complexity relation. Using a fuzzy relation matrix to represent the degree of assurance of complexity, the model maps a fuzzy graph into a scaled Cartesian diagram that depicts the relative degree of complexity among projects. An illustrative example for several maintenance projects is demonstrated to present the application of the model.