PORT DOCKSIDE NEWS | FEBRUARY 2022


R Three cabinless, automatic and remote controlled RMGs at the CSX Carolina Connector Intermodal Terminal (CCX) in Rocky Mount, North Carolina.


Q One of the Liebherr automated RMGs at the CSX Carolina Connector Intermodal Terminal. (CCX) in Rocky Mount, North Carolina.


An industrial data centre with


redundant servers and a high speed fibre network anchor the automated crane operations and communications. A 3D measurement system scans the operational area, continuously creating and updating profiles of container stacks, railcars and hazards, providing key data for path planning and automatic operation. XYZ crane positioning is provided by Infrared spreader tracking, RFID gantry and trolley positioning technologies further supported by encoders. For safety, a Yardeye system has been installed. This system monitors operational traffic, particularly pinmen vehicles in and around the RMG operational area allowing for safe operation. The system uses both GNSS and RFID which provides for increased


accuracy and redundancy, tracking the position, heading and velocity of equipped vehicles in the yard in real time. The new cranes bring state-of-the-art, emission-free container handling to CCX. In line with Liebherr’s long established simultaneous motion approach to container handling, the automated RMG includes 3 dimensional stack and train profiling allowing optimal path planning and the most productive and efficient spreader path rather than the traditional approach of square moves. This approach increases productivity and throughput and results in a further reduction of energy consumption. The Liebherr drive system with active


front end and simultaneous motion allows power usage to be optimised on the crane and regenerated energy fed back to the grid. ●


www.hoistmagazine.com | February 2022 | 11


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