Modeling and Analysis of TIS Based on GSPN
Lin Lin · Chinese Journal of Computers · 2005
At present Transportation Information System (TIS)is a hot spot in transportation research field. TIS is a complex service system with typical business process characteristics. However, there is little research work made on TIS with workflow principle. Still less some achievement in analyzing the time feature of the real time service. In this paper, two modeling methods——GSPN and workflow are combined to model TIS. First, a GSPN workflow model of TIS is set. According to the data got, certain parameters are assigned to each transition in the model. Then the time feature of order program service is analyzed with a performance analysis method, behavior expression based method. Finally, some informations, such as the total order program service time, various computing time of various model and so on, are got. This information is valuable to help us optimize the whole order program service.