Urban Logistics Services Supply Chain Process Modelling Based on the Underground Logistics System via the Hierarchical Colored Petri Net

Figure 10

The subsystem models of ULS-SSC. (a) Demand management, (b) finance management, (c) information management, (d) pickup, (e) circulation processing, (f) warehousing, (g) transportation, and (h) terminal distribution.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)