Abstract
The use of battery power is becoming widespread rapidly among the mega ports worldwide, owing its low emission and high energy efficiency. In this paper, a simulation approach is presented to configure the charging stations (CSs) and battery-powered automated guided vehicles (B-AGVs) at automated container terminals. The facility planning of the CSs and the operation strategies of the B-AGVs are crucial for the system performance of the terminal. A port system is modeled as a discrete event simulation model, mainly consisting of three parts: vessel generator, dispatcher, and traffic network. Two types of layout designs and two types of recharging policies are presented, to deploy the CSs and control the B-AGVs to be recharged, respectively. Extensive simulation experiments are conducted to analyze the parameter effects on the system performance. The results indicate that a decentralized CS layout and a progressive recharging policy lead to excellent performance. Some management insights are offered to gain a better understanding of the key factors when deploying a B-AGV system.
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