An underwater positioning system (1) provides position information for a rover (2), moveable within a reference frame. The system may comprise: at least one beacon (4) having a light source (30), located at a fixed position within the reference frame; an underwater imaging device (10), moveable with the rover in the reference frame to observe the light source from different viewpoints and determine direction data representing a direction or change in direction of the light source with respect to the imaging device; an orientation sensor (14), associated with the imaging device to determine an orientation of the imaging device with respect to the reference frame and generate orientation data; and a scaling element (12,28,111,113,115,330a-c) for providing scaling data representative of a distance between the imaging device and the light source. Various different beacons may be provided. In alternative system implementations, the locations of light source(s) and underwater imaging device are reversed between rover and beacon(s).
Underwater positioning system
2020-02-06
Patent
Electronic Resource
English
IPC: | G01S RADIO DIRECTION-FINDING , Funkpeilung / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen |
UNDERWATER POSITIONING SYSTEM AND UNDERWATER POSITIONING METHOD
European Patent Office | 2023
|UNDERWATER POSITIONING SYSTEM, WATERCRAFT, UNDERWATER VEHICLE, AND UNDERWATER POSITIONING METHOD
European Patent Office | 2019
|Underwater positioning subsurface buoy and underwater positioning system
European Patent Office | 2023
|