Modeling And Simulation Of Dynamic Logistics System Design Based On Petri Net

The efficiency of the logistics system has a directly effect to the core competitiveness of manufacturing enterprises. In fact, it is very important to the enterprises surviving. Logistics system design has a direct relation to the operation of the system as a whole. Particularly, the structure design of logistics network is more important. In the study of logistics network , modeling technology is a very important issue. At the same time, in the logistics network modeling process, how to make models reflect reality more accurately, make the model parameters closer to the actual model parameters is a more important issue. Although there have constantly new and improved optimization methods applied in the supply chain management research in recent years, it is still seemed powerless in dealing with the supply chain dynamics and uncertainty. Simulation models do not exist such problems due to the independence to mathematical equations and so they could take complex factors, including the random nature of the structure and parameters, into account. We can see that simulation methods can carry on the optimization tasks based on more realistic assumptions and in greater breadth and depth in the supply chain research.The paper mainly introduced the theory and methods of system simulation which are based on the original design which is applied the static modeling methods. Checking up the outcome of the original and carries on the appraisal and the optimization to the plan. Make sure that the logistics systems are more reasonable and highly effective. In the simulation model establishment, the paper mainly used the Petri net——a formalization modeling tool. The Petri net has already become one of the main methods to carries on modeling and analyzing to the separate event dynamic system (DEDS) in the logical level. Essentially, the Petri net is a theory which applied graph form to research the organizational structure and the dynamic characteristic of system. It especially suits to be used in the modeling and analysis of the asynchronous concurrent systems.After the establishment of the simulation model, the paper proposed a...