Increasing the efficiency of underwater operations with the help of automatic machines can be achieved by using a robotic complex in a special configuration -with a functional division into three interacting parts: a remote control panel with an operator; a basic underwater walking platform, connected by a cable with the control panel for information and energy supply; a group of autonomous robots with increased maneuverability, having information communication lines with the base station via a contactless channel. Within the framework of this concept, the paper considers and solves the main problems of creating information-control systems for such robotic systems, including the necessary communication tools. One of the key solved problems was constructing the proper sensor-control real-time software system. The paper was partially supported by RFBR, projects 16-

The work is devoted to prototyping of the 6-legged walking underwater vehicle as base station with contactless charger and contactless data transfer between itself and a number of autonomous underwater robot-sputniks. An architecture is proposed to build the robotic complex as interacting parts had shown the efficiency. The separation of slow-moving, but well passable on the bottom legged platform, connected by cable with a remote supervisory control station on a boat, and highly maneuverable, fully self-contained units -direct executors for underwater operations significantly extend the operational capabilities of the complex. This hardware build simplified the organization of the underwater operations due to of rapid charging of autonomous modules' batteries, directly in the area of the works, without their ascent to the surface, as well as the separation of the control channel into two parts: the cable and sonar lines. The work is executed at partial financial support of RFBR, projects 16-07-01264, 16-07-00811, 16-07-00935.

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