Engineers at the Port of Lyttelton in New Zealand have built a collision avoidance system to warn crane drivers of the presence of straddle carriers in the crane portal and prevent a crane spreader hitting a straddle carrier.
The system is based around a single SICK LMS laser sensor located on the north east leg of the crane (boom extending north) at a height of 7m facing the south west corner. The sensor scans horizontally and detects when a straddle enters the portal between the crane’s legs....
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This complete item is approximately 200 words in length, and appeared in the February 2006 issue of WorldCargo News, on page 2.
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