Title:
DREDGING CONTROL SYSTEM AND DREDGING METHOD
Document Type and Number:
Japanese Patent JP2022161632
Kind Code:
A
Abstract:
To provide a dredging control system and a dredging method capable of forming a smooth slope face on a water bottom while avoiding making dredging equipment be massive and thick.SOLUTION: When a slope face C2 is formed on a water bottom B, a turning speed at which a ladder 4 is to be turned vertically is set at a fixed turning speed. Then, a controller 13 calculates three-dimensional position information on an excavation part 5 provided at a tip of the ladder 4 based on three-dimensional position information on a ship body 2 of a pump dredger 1 and information on an inclination angle of the ladder 4, and based on the calculated three-dimensional position information on the excavation part 5, the information on the inclination angle of the ladder 4, and design depth map data on the slope face C2, controls a swing speed in a horizontal direction of the ship body 2 and the ladder 4 by swing means 9 so that a difference in height between a design depth L1 of the slope face C2 and a depth of excavation by the excavation part 5 becomes within a preset allowable range.SELECTED DRAWING: Figure 1
Inventors:
FUJIYAMA EI
MIYAMOTO KENTO
MIYAMOTO KENTO
Application Number:
JP2021066582A
Publication Date:
October 21, 2022
Filing Date:
April 09, 2021
Export Citation:
Assignee:
TOA HARBOR WORKS CO LTD
International Classes:
E02F3/90; B63B35/00; E02F3/88
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao