Anti-swing device for offshore wind turbine tower installation

An anti-swing device for offshore wind turbine tower installation, wherein the device reduces wobble of the swing and pendular motion during an initialization process, including three subsystems which are located at a tower, a transition piece, and a bridge, respectively;

• the subsystem at the tower includes anti-swing winch servo motors, cables, connectors at the tower, a power supply, a remote signal transceiver, an acquisition controller, and a power cord;
• several anti-swing winch servo motors, spreadly arranged, fixed to the inner wall of the tower, and connected to the connectors at the tower by cables;
• the remote signal transceiver and the acquisition controller are fixed to an inner wall of the tower;
• the remote signal transceiver controls tower end connectors at the tower, and then control cables to adjust the orientation and position of the tower by the anti-swing winch servo motors;
• the acquisition controller collects tension measurements on the cables and send signals to the remote signal transceiver;
• the acquisition controller contains an acceleration sensor;
• the power of all the equipment described above is provided by the power supply through the power cord;
• the subsystem at the transition piece includes connectors at the transition piece;
• the connectors at the transition piece are fixed at a bottom of the tower, and the number of connectors is the same as the anti-swing winch servo motors;
• positions of the connectors at the transition piece and the anti-swing winch servo motors are one-to-one correspondence;
• the subsystem at the bridge includes a user interface and a wireless transceiver;
• the device at the transition piece is controlled through the user interface;
• a wireless signal is transmitted to the remote signal transceiver used for controlling the connectors at the tower and the anti-swing winch servo motors to release and tighten the cables;
• consequently, the orientation and position of the tower will be well adjusted.