Importance

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Abstract

The present invention comprises: a surface repeater vehicle 200 having a repeater vehicle propulsion means 38 and a repeater vehicle position measurement means 40; an underwater vehicle 100 having a vehicle position estimation means 20; an information transmission line 24 for connecting between the surface repeater vehicle 200 and the underwater vehicle 100, and transmitting acquired information including image information obtained by the underwater vehicle 100; a position setting means 54 for setting a target latitude and target longitude for the surface repeater vehicle 200 and the underwater vehicle 100; and a control means 12, 32 for controlling the surface repeater vehicle 200 and the underwater vehicle 100, and is configured such that, on the basis of the target latitude and target longitude that have been set and an on-water position measured by the repeater vehicle position measurement means 40, the repeater vehicle propulsion means 38 is driven, the position of the surface repeater vehicle 200 is controlled by the control means 12, 32, and on the basis of the target latitude and target longitude that have been set and an underwater position estimated by the vehicle position estimation means 20, the position of the underwater vehicle 100 is controlled by the control means 12, 32, thereby causing the underwater vehicle 100 and the surface repeater vehicle 200 to travel side-by-side while maintaining a vertical positional relationship on the water surface and under water until reaching the target latitude and target longitude.

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First Claim