The final calculated location was sent to the DredgePack software through OPC communication capabilities. We developed custom calculations to provide location offsets (2 tens foot accuracy when validated) of the cutter location relative to the ladder trunion. The Trimble RTK GPS was setup to give position, tide and heading accurate to the dredge ladder trunion. We installed DredgePack software and instrumentation to supply ladder depth and cutter GPS location offsets to the on-board Programmable Logic Controller. Automatic Slope and Profile Control on a Cutter Suction dredgeĭescription: The customer required to have the ladder automatically follow a predetermined contour of the local municipalities geodesic pond designs for water storage.ĭetails: The dredge has a 30″ discharge pipeline with an 11′ diameter cutter and 4500 h.p.
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