Port monitoring system

A port monitoring system comprising:

• a port environment detector that measures environmental conditions of a port to generate port environment information;
• a ship monitor installed at a ship to generate ship information of the ship;
• a fender monitor installed at a fender to generate fender information of the fender;
• and
• a port management device configured to:
• receive the port environment information generated by the port environment detector, the ship information generated by the ship monitor, and the fender information generated by the fender monitor;
• and
• monitor the ship and the fender using the port environment information, the ship information, and the fender information,
• wherein the port management device includes a display screen, one or more ship ranges, and an alarm boundary are set on the display screen of the port management device for monitoring a position of the ship,
• wherein the one or more ship ranges consist of a first ship range and subsequent ship ranges,
• with the first ship range comprises a boundary a preset distance interval around the ship indication and each subsequent ship range represents a boundary a preset distance from the previous ship range;
• wherein an alarm is generated when the one or more ship ranges overlap with the alarm boundary;
• and
• wherein the alarm generated for the first ship range is different from the alarm generated for the subsequent ship ranges;
• wherein the ship monitor includes:
• a first sensor configured to measure a position value of a bow of the ship;
• and
• a second sensor configured to measure a position value of a stern of the ship,
• wherein the first and second sensors are configured to generate two-dimensional global coordinates of the bow and the stern of the ship as the position values,
• the first and second sensors are mounted on top portions of the bow and the stern of the ship which are opened to sky, respectively, and
• a distance between the first and second sensors is set to exceed twice a maximum measurement error distance of the first and second sensors, and
• wherein the first and second sensors are configured to:
• perform position measurement for the bow and the stern of the ship at the same time;
• and
• transmit the measured position values of the bow and the stern of the ship to the port management device at the same time;
• and
• displayed in real time on the display screen in conjunction with the ship position data, and
• the fender indication is displayed in real time on the display screen in conjunction with the fender position data.