The roll transportation scheduling of Qiongzhou Strait optimization and simulation based on Petri net

To solve the problem with low level of service, scheduling chaos, the high cost in roll transport system. A hybrid Petri net (HPN) model with optimal dispatching scheme is established by optimizing the passenger wheel scheduling and using the non-stationary Poisson process to simulate the arrival law of the passenger roller. Based on the HPN model, a Simio simulation model of Qiongzhou Strait transportation is constructed, Determined the optimal scheduling scheme of passenger rolling transportation system. Simulation results show that the maximum waiting waiting length of the port is reduced 80% and the average transportation time is shortened by 24%, which proves that the scheduling optimization can effectively alleviate the problem of roll transport system.