Propulsion system and navigation control method for ship

Abstract

The invention discloses a watercraft propulsion system. Two sets of propulsion motors symmetrically arranged at the left and the right, a full swivelling propeller type swing mechanism and a hydraulic system constitute an electric propulsion power device for the watercraft. A propulsion controller, a swing controller and a steering control board constitute an electric propulsion control device. The control of the whole system during sailing includes propulsion control and turning control. The propulsion control process is that the propulsion controller receives sailing speed instruction of the watercraft, propulsion instruction of left and right screw propellers and control instructions to open or close the loop and then outputs propulsion set values of left and right screw propellers and deviation value of left and right screw propellers; the turning control process is that the swing controller receives sailing direction instruction and steering instruction of the watercraft from the control board and then outputs set turning angles of left and right screw propellers. The watercraft propulsion system can realize propulsion operation intelligentization and control simplification and is more precise in control.

Description

Technical field: [0001] The invention relates to a ship propulsion system and a navigation control method used in conjunction with it, in particular to a ship propulsion device for electric propulsion with rotatable double propellers and a navigation control method used in conjunction with the ship propulsion system. Background technique: [0002] The ship propulsion system is the main force for the ship to sail on water. For a long time, ship propulsion systems have been mainly divided into two types: propeller type and jet type. The propeller propulsion system generally uses mechanical power (internal combustion engine, electric motor, etc.) to drive the propeller through a fixed stern shaft, and the propulsion generated by the rotation of the propeller acts on the ship to make the ship realize sailing motion. The jet propulsion system absorbs a large amount of water at the front of the ship through the water suction device, pressurizes the water and sprays it out from th...

AI Technical Summary

Problems solved by technology

However, the pod-type full-turn propeller propulsion system is complex in technology and expensive in cost, so far it is difficult to popularize and apply it on ordinary merchant ships.

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