Again in November, ESA astronaut Luca Parmitano made historical past by taking command of a rover from the Worldwide House Station (ISS). As a part of the Analog-1 experiments, this feat was made attainable because of a “area web” command infrastructure and a force-feedback management setup. This allowed Parmitano to remotely function a rover 10,000 km (6,200 mi) away whereas orbiting Earth at a velocity of eight km/s (28,800 km/h; 17,900 mph).
These experiments, that are a part of the ESA’s Multi-Goal Finish-To-Finish Robotic Operation Community (METERON) program, happened in a hangar at Valkenburg within the Netherlands – close to the ESA’s European Science Analysis and Know-how Middle (ESTEC). The primary take a look at, which occurred on Nov. 18th, concerned Parmitano guiding the rover by means of an impediment course designed to appear and feel just like the floor of the Moon.
The exams validated the subtle management community in addition to the controls, which offer astronauts with the sense of contact. For the second take a look at, which happened on Nov. 25th, concerned the rover navigating by means of a full-on simulated lunar setting, selecting up and gathering rock samples. This take a look at assessed the flexibility of a remotely-operated rover to conduct geological surveys on alien worlds.
Shut-up of the Analog-1 rover exhibiting its gripper. Credit score: ESA/Porter
As ESA engineer Kjetil Wormnes, who’s main the Analog-1 take a look at marketing campaign, mentioned in a current ESA press launch:
“Think about the robotic as Luca’s avatar on Earth, offering him with each imaginative and prescient and contact. It was outfitted with two cameras – one within the palm of its hand, the opposite in a manoeuvrable arm – to let Luca and the remotely-located scientists observe the setting and get a close-up on the rocks.”
Utilizing the Sigma 7 force-feedback system (which supplies the person six levels of freedom) and a pair of displays, Parmitano guided the rover by means of slender pathways to achieve three totally different sampling websites and choose rocks for evaluation. All of the whereas, a group fo geological consultants primarily based on the European Astronaut Middle (EAC) in Cologne, Germany, was involved with him and suggested him on which rocks have been promising analysis targets.
This was the primary time that this form of expertise has been used on the ISS to regulate a robotic on the bottom. It additionally constructed on a earlier undertaking carried out by the ESA designed to familiarize astronauts with geological research. As Jessica Grenouilleau, METERON undertaking lead at ESA’s Exploration Techniques Group, indicated:
“We benefitted from Luca’s earlier coaching by means of our Pangaea program, giving astronauts sensible expertise in geology. It helped tremendously in having an environment friendly dialogue between the crew and the scientists.”
The Sigma 7 force-feedback management system being examined on the EAC. Credit score: ESA
The 2-way management hyperlink between the rover and the ISS was made attainable because of communication satellites positioned in geostationary orbit (GSO). These linked Parmitano to the EAC and on to the hangar the place the take a look at happened, and with a latency (or time lag) of simply zero.eight seconds. Because of the revolutionary interface, Luca was in a position to really feel the robotic touching the bottom or selecting up a rock.
The METERON and software program utilized in these experiments was developed by the ESA’s Human Robotic Interplay Laboratory, situated in Noordwijk, The Netherlands. Assist was offered by the German Aerospace Middle’s (DLR) Institute for Robotics and Mechatronics, which was answerable for integrating the management software program and optimizing the system’s suggestions to keep in mind the time delay.
ESA robotic engineer Thomas Krueger, who heads the HRI Lab, explains:
“For this exploration state of affairs, involving a comparatively quick time delay, we’ve been in a position to mix the relative benefits of people and robots: a human for his or her potential to take care of advanced and unstructured environments and determination making, and a dexterous robotic ready to deal with harsh environments and to exactly execute its operator’s instructions.
“By enhancing the operator expertise with force-feedback and intuitive controls we will make beforehand unattainable robotic management duties possible, and open up new strategies of exploring area. We at the moment are eager on analysing the info and suggestions from Luca to see the small print of how he carried out, and discover out the place we will enhance and put together future exploration plans.”
Parmitano controlling the rover from the ISS. Credit score: ESA
The Analog-1 experiments are the newest in a sequence of progressively more difficult METERON human-robot take a look at campaigns involving the ISS. The primary force-feedback take a look at (which concerned one-degree of freedom) happened again in 2015 as a part of the Haptics-1 experiment. This was adopted in 2016 by the DLR’s Kontur-2 two-degrees of freedom experiment. All of those culminated in these newest, six-degrees of freedom experiments.
The subsequent step will happen someday subsequent yr and can contain an outside simulation in a Moon-like setting (situated TBD in the intervening time). For this part of testing, the rover will gather and study native rocks samples in a state of affairs designed to resemble a full lunar floor mission as carefully as attainable.
When robotic explorers are despatched to the Moon and Mars within the close to future, METERON will let astronauts management them from orbital habitats – such because the Lunar Gateway and the Mars Base Camp – quite than having to ship indicators all the way in which from Earth. The expertise will even permit for the exploration of inaccessible or doubtlessly harmful environments astronauts should not in a position to attain.
Remember to try this video of the newest Analog-1 take a look at as properly, courtesy of the ESA:
Additional Studying: ESA