Explore robots to discover the space night

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Explore robots to discover the space night



The European Space Agency tests its night-time devices in Spain by collecting terabytes of data



   Nine days touring Tenerife. This has been the last test of the European Space Agency (ESA) with a pair of robot explorers who have worked day and night collecting terabytes of a surface of lunar appearance for, in the future, to be able to work in the space night.

"Until now, planetary robots have always been operated during daylight hours," explains ESA's robotic engineer Martín Azkarate. "But during the proposed missions to the polar regions of the Moon, lighting conditions will be more complicated."

  The sensors used in this operation include stereo cameras with nightlights, time-of-flight range cameras, laser-radar laser sensors, inertia measurement units and wheel sensors.

The trials took place in the Teide National Park, with views of the volcano, in a rocky area called Las Minas de San José.

The tests started during the day to make sure that the rovers were working well and collect data in the field, using GPS and a drone to create a detailed map with which to compare the observations of the rover. In the second half of the campaign, night operations began.

The teams also achieved some additional objectives, such as the collection of data sets that can be used for the subsequent verification of navigation algorithms in the laboratory.

"The Moon is close enough to carry out a direct remote control, although with a slight temporary delay," says robotic engineer Levin Gerdes. "However, in the case of Mars, distance makes it impossible, so in Martian robots periodically load the data sets that must be followed," he adds.

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