SPICERACK

Sea trials

Sea trials

Test in pool

Test in pool

Mock-up for testing actuators

Mock-up for testing actuators

Tank with sand

Tank with sand

ECHO2

ECHO2

GUI

GUI

Contract info

    NAME: SpiceRack

 

CUSTOMER: CGG

 

  PERIOD: 2011-2014

 

    GOAL: Development of an innovative

          robotized solution for

          performing seabed seismic

          acquisitions through the 

          deployment of low-cost autonomous

          underwater vehicles acting

          as self-propelled recording

          nodes.

         

Performed activities

Back to Beyond Prototyping
Back to Beyond Prototyping
Back to Beyond Prototyping

This contract represents a very emblematic example of Graal Tech R&D partnership, as it required multi-disciplinary contributions from all the different expertises within the Company team.

 

The main effort was spent for designing the vehicle mechatronics. Different versions were released during the contract period, with a continuos improvement of efficiency and performance. Together with more conventional engineering solutions, some peculiar challenges of the considered application required the identification of innovative actuating and sensing devices, that were conceived, developed and tested with ad-hoc experiments and mock-ups.

 

In parallel with the mechatronic developments, two Graal Tech software teams were in charge of realizing the vehicle on-board control system and the software for the control station.

 

The former team developed a real-time architecture, characterized by extreme flexibility, in order to allow an easy management of all the new mechatronic devices and functionalities that were introduced, at different phases, during the project. In addition it had also to deal with control problems concerning the vehicle navigation in a negative buoyant configuration, and had to introduce mechanisms for managing the acoustic-based localization and communication capabilities.

 

The second software team realized an intuitive and ergonomic graphical user interface, running on both Linux and Windows platforms, and allowing a not expert user to drive each robot separately, to define and download missions, and to on-line monitor their execution.

 

Finally intense testing activities were performed during all the phases of the project, on the different vehicle releases and on single components, in various operative conditions: in lab, in pool, in a tank with sand, at sea, in lake, in rough waters.