Complex Product has the characteristics of variety, long life cycle, difficult to verify design, strong target-oriented and dynamic, complex operating environment and status and so on. The existing PLM (Product Lifecycle Management) system can hardly effectively meet the demand of product designing, manufacturing services and MRO (Maintenance, Repair and Overhaul/Operation). The complex product lifecycle management model is therefore put forward. In this model, the maintenance closed-loop, operation closed-loop and design closed-loop combine to form an intelligent triple closed-loop PLM. Based on the data collected through a variety of sensors and information systems from different stages of the product life cycle, the model can be used to research the flow of data and feedback methods across the stages and organizations. By combing the data flow, the data feedback points is supposed to be found, which enable the product life cycle data being used circularly. The result is of important guiding significance to lifecycle management of complex product.
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