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Reasonable use of integrated navigation
Oct 19, 2018


The unmanned ship is equipped with satellite positioning systems, attitude sensors, cameras, water depth gauges, temperature and salinity sensors, and other equipment. The satellite positioning system GPS/Beidou can determine the position of the unmanned ship and track it in real time. The attitude sensor is also called the inertial navigation device, which can measure the heading, roll and pitch of the hull autonomously; the camera obtains the underwater water in real time. The video information is transmitted to the monitoring point through the communication device to ensure the safety of navigation; the water depth measuring instrument can obtain high-precision underwater terrain; the temperature and salinity sensor can measure the surface temperature and salinity by recording and storing, and can obtain high precision. Hydrological data.


When the unmanned ship installed the satellite positioning device separately from the attitude sensing device, on the one hand, the installation space of the device was enlarged, and on the other hand, the matching between the satellite navigation and the inertial navigation was not perfectly integrated, and the accuracy of the attitude sensor was not high. In addition, it also greatly affects the autonomous navigation of unmanned ships. Since the advent of integrated navigation systems, unmanned vessels have become more integrated in terms of positioning, attitude, and sounding, which is more conducive to the development of the unmanned shipbuilding industry.



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