关键词: 采购业务流程建模, Petri网, ExSpect, 仿真优化

Abstract: Taking the purchasing process of a domestic large-scale manufacturing enterprise as research object, the models of purchasing process in the original environment and the optimized environment were built using the Petri net technology, and the performance under both conditions were quantitatively analyzed and then the strong and weak points in the original and the optimized processes were discovered by the simulation using the software ExSpect. The results show that the optimization of the original process by using the information technology and the reasonable supplier selection methods speed up the transferring and processing of the business information and shorten the purchasing period.

Key words: modeling of purchasing business process, Petri net, ExSpect, simulation optimization