Workflow Model of Equipment Maintenance Support Based on Petri-Net

With analyzing related conceptions and contents of equipment maintenance support (EMS) workflow model, this paper develops graphical modeling tool, Workflow Model Graphic Editor, for workflow based on VC++. Models created by this tool not only can be executed on workflow engine by converting them to WPDL (Workflow Process Definition Language), but also can be exported as ".ex" files (simulate models) that can be executed on simulation software-ExSpect. By simulating these workflow models, this paper analyzes the validity, rationality and operational efficiency of EMS workflow model. Consequently, it carries out Business Process Reengineering (BPR) for EMS process.