Hive minds: How 'swarm robots' are learning from insects
Mapping the treacherous terrain of one of the Alps' most deadly peaks just got a lot easier, with a fleet of eBee mini-drones providing a 300 million point 3D map in less than six hours of flight time. Inventors SenseFly launched the foldable backpack-mounted drones from the summit and midway down the mountain to knit together 2800 images into a crisp model, despite blustering winds and formidable climbing conditions. 100 swarm robots tackle the "piano mover's problem" under the guidance of Aaron Becker, an assistant professor at Rice University. The piano mover's problem, also known as "motion planning problem", looks at how robots can be programmed to move continuously within a space while avoiding obstacles and not falling down stairs.
100 swarm robots tackle the " Roboticists at UPenn are already saving soldiers' lives with their bridge-building swarms of aquatic robots. Well, almost. For now, the bots are only 1/12 scale models of shipping containers -- which swarm together to provide a water crossing for vehicles -- and the soldier is really just a wooden doll. But U.S. military research agency DARPA has taken a liking to the project, and it could soon be getting bigger.
Imagine building blocks which can effortlessly construct themselves into any shape. MIT student John Romanishin is making it happen with M-Blocks: self-assembling robot cubes capable of jumping, climbing, and rolling their way to form any variety of complex structures. Romanishin hopes that thousands of the cubes could construct ladders, furniture, or any other object, at a moment's notice.
Imagine building blocks which can effortlessly construct themselves into any shape. KMel Robotics have already made a name for themselves, going viral by showing off their quadrotor swarm's ability to do everything from strumming out the James Bond themetune, to mastering synchronized flying displays. UPenn graduates Alex Kushleyev and Daniel Mellinger created the company in 2011 to develop quadrotor swarms to suit any purpose.
A swarm of killer robots raging war against wave after wave of deadly jellyfish -- this is happening in real life, folks. The battle is taking place today off the coast of Korea, where researchers from the Korea Advanced Institute of Science and Technology have deployed the Jellyfish Elimination Robotic Swarm (JEROS) to autonomously locate and and exterminate troublesome jellyfish blooms with an internal blender (link warning: gruesome jellyfish death).
A swarm of killer robots raging war against wave after wave of deadly jellyfish -- this is happening in real life, folks. The battle is taking place today off the coast of Korea, where researchers from the Korea Advanced Institute of Science and Technology have deployed the It sounds like the plot of children's cartoon: create a miniature model of anything your heart desires, drop it in a miraculous bag of sand, and a full sized version will appear. But researcher's at MIT's Distributed Robotics Lab are on their way to making it a reality with Smart Sand. Right now, they're a little bigger than the researchers would like -- "pebble-sized" rather than sand -- and, okay, the results aren't particularly awe-inspiring. But watch this space.
It sounds like the plot of children's cartoon: create a miniature model of anything your heart desires, drop it in a miraculous bag of sand, and The University of Sheffield's "nanobots" are designed to be as basic as possible. Yet they have already mastered simple fetching and carrying tasks, such as grouping these objects together, without central control. The Natural Robotics Lab's Dr Roderich Gross sees them as the servants of the future, taking care of search and rescue missions in areas where it is too dangerous for humans to go.
The University of Sheffield's "nanobots" are designed to be as basic as possible. Yet they have already mastered simple fetching and carrying tasks, such as grouping these objects together, without central control. The Proving that robot swarms can go anywhere, researchers from Scotland's Heriot-Watt University have created Nessie: an autonomous underwater vehicle capable of diving into deep water to help save the country's endangered coral reefs. A swarm 'team' will replace human divers who currently reassemble damaged coral with the hope that it will regrow. Researchers take inspiration from the behavior of natural swarms of insects -- such as bees -- to collectively maintain complex structures
Proving that robot swarms can go anywhere, researchers from Scotland's Keen to capitalize on the development of swarm technology, the U.S. Defense Advanced Research Projects Agency (DARPA) has launched a $2million prize for reserachers able to develop autonomous robots. Intended for disaster response, the threat of killer robot swarms is not here... yetYour friendly neighborhood robot swarm
Keen to capitalize on the development of swarm technology, the U.S. Defense Advanced Research Projects Agency (DARPA) has launched 1
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STORY HIGHLIGHTS
- Scientists are building robots that can work in teams
- 'Swarm robots' operate like hive insects such as ants, termites or bees
- MIT's M-blocks robot can self-assemble to solve different problems
- Swarm robots could be used in search and rescue, medicine and space exploration
While this bleak vision assumes a number of seemingly distant technological and political developments, some ideas currently driving robotics research may, for some, bear an uncomfortable resemblance to those of the 80s sci-fi smash.
In particular, one area where life seems to be imitating art is the fledgling field of 'swarm robotics', in which scientists are creating teams of robots that can work together toward a single goal -- from mending a leak to clearing mines -- with minimal or no input from humans.
Much of the research is based on the observed behavior of 'eusocial' insects -- such as ants, bees and termites -- who work collectively on complex tasks without central management or higher order intelligence.
Consider for a moment a typical termite nest -- with its labyrinth of chambers and intersecting corridors. It's built entirely by vast teams of micro-sized, speck-brained creatures (no disrespect) -- without so much as a blueprint to work from. So, the question for researchers is: how can we emulate this type of behavior in robots to help us solve problems and generally make our lives easier?
Recently, researchers at Massachusetts Institute of Technology (MIT) unveiled 'M-blocks' - robots that can assemble themselves into different shapes to perform a range of basic tasks, without input from a human controller.
While M-Blocks may not look particularly inspiring, the way they reshape is the first step toward a future where robots rebuild themselves to solve new problems. An M-Blocks-based robot working underwater might make itself narrow to fit through a deep sea crevasse, or a tiny team of medical robots could spread themselves flat to plug a gap in the human heart -- all without having been pre-programmed to do so.
At the moment researchers are still working to make teams of robots complete more basic tasks. Sheffield University researchers, for example, are using swarms of robots to fetch, carry and push objects in unison.
Dr Roderich Gross, head of the Natural Robotics Lab at the University of Sheffield, says: "We are developing artificial intelligence to control robots in a variety of ways. The key is to work out what is the minimum amount of information needed by the robot to accomplish its task. That's important because it means the robot may not need any memory, and possibly not even a processing unit, so this technology could work for nanoscale robots -- for example in medical applications."
The big challenge is to ensure that swarm robotics technology will be used for the betterment of mankind
Jan Carlo Barca, roboticist
Jan Carlo Barca, roboticist
Some of the most interesting applications for swarm robotics exist where robots go beyond the realm of easy human reach, say into space or under the sea, or -- as Gross says -- inside the human body to perform medical tasks at a microscopic or 'nano' scale.
Aaron Becker, a postdoctoral researcher at Rice University has been working on an experiment (that you can join in here) to test different ways swarm robots can be deployed, with a view to seeing 'nano-robots' eventually used in medical operations.
The project seeks to demonstrate how teams of robots could be utilized with minimal input from the outside world, possibly beneath the surface of the skin in a bid to tackle disease.
But how might this be done?
Researchers at the Nanorobotics Laboratory in Montreal are looking at using swarms of miniature drones to fight pathogens within the human body. Sylvain Martel, the laboratory's Research Chair, believes that preliminary research conducted in his lab could lead to future treatments where small magnetic robots are inserted into the body to fight cancer. Other researchers are investigating ways to use swarming robots in diagnosis, so that problems are detected before they become life threatening.
Becker believes that in future, swarms of nano-robots might even come to be used in surgery: "If we can shrink the surgeon and their tools while maintaining their effectiveness, non-invasive surgery could revolutionize health care. I want to be a part of that dream," Becker says.
Jan Carlo Barca, a member of the Swarm Robotics Laboratory at Monash University in Melbourne, Australia says that there are plenty of worthy applications for swarm robots, but some scientists working in the field worry that their research may end up being used for military purposes:
This idea is not new, in fact it is almost 65 million years old.
James McLurkin, Assistant Professor, Rice University Department of Computer Science
James McLurkin, Assistant Professor, Rice University Department of Computer Science
"Some potential application areas for swarms of robots are: cooperative search in disaster sites to support rescue efforts, pollution detection and monitoring, mine clearing, exploration, mapping and dynamic motion capture for the film industry," he says.
"However, all this comes at a cost as this technology also will be exploited by defense agencies all over the world. (For example) the U.S. Defense Force has investigated how the hunting strategies of wolf packs, coyotes and killer whales can be used in military contexts. The Israeli Defense Force is also investigating how one can use miniature robotic mosquitoes in the same context."
And while the apocalyptic events of James Cameron's Terminator 2: Judgment Day are relatively unlikely, it is reassuring that many within the swarm robotics community are determined that their work will be applied to the right ends:
"The big challenge," Barca says, "is not only to formulate technologies that can be used in the real world, but also to ensure that swarm robotics technology will be used for the betterment of mankind."
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