engleski

Modeling of cargo loading and unloading process on tankers by using Petri net

This article presents one way of modeling the process of loading and unloading cargo on tankers by using the discrete event system theory and Petri nets. Cargo loading operation consists of filling cargo tanks and discharging ballast tanks, and cargo unloading operation consists of discharging cargo tanks and filling ballast tanks. Sequential controller is used to control valves and pumps. The whole process is supervised by the human. The process is modeled with hybrid Petri nets, and simulated in Visual Object Net ++ application tool. This model is useful for educational purposes.

tanker loading; petri net; supervisory control

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