Fan-shaped bow jet positioning and control method for trailing suction hopper dredger
A trailing suction dredger, positioning control technology, applied in two-dimensional position/channel control, steering with injectors, etc., can solve problems such as inconvenient operation, inaccurate control, affecting construction efficiency and production safety, and achieve operational Convenience, improve quality and efficiency, control accurate effect
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[0031] A method for controlling the positioning of a trailing suction dredger's fan-shaped bow nozzle, comprising the following specific steps:
[0032] 1) Thrust calculation
[0033] The dynamic positioning system performs thrust calculation and thrust distribution, and controls the propeller and rudder to generate corresponding forces and moments through distribution logic to counteract the external disturbance force and disturbance moment acting on the ship, so that the ship can keep sailing or positioning and meet the heading, Speed, track and accuracy requirements;
[0034] 2) Determine the power management mode
[0035] When the fan-shaped bow spraying of the trailing suction dredger, the power management system should provide two working modes. The first management mode is the normal dredging mode, which is suitable for trailing suction dredging and filling operations; the management system needs to dredge left / right The pump inverter supplies power, and manages the p...
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