Abstract:In order to achieve efficient management and take full advantage of the information produced by products in the period of usage maintenance and the ends, the concept and architecture of closed-loop product lifecycle management is introduced briefly. Based on that, plasma system is taken as a specific application example. The product life cycle information flow model is summed. The C-L PLM software for intelligent products is designed and realized. At last, an application is taken as an example, displaying the running state information of the key components of the probe measuring equipment.