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Military Robotics

First Video of LS3 (aka Big Dog) Field Trials

Posted 20 Dec 2012 at 21:06 UTC (updated 21 Dec 2012 at 01:09 UTC) by steve

For the past two weeks the Boston Dynamics LS3 (Legged Squad Support System) robot has been undergoing field tests in the woods of central Virginia with personnel from the Marine Corps Warfighting Lab. DARPA issued a news release with video of LS3 following a marine through real world terrain and responding to voice commands. The four legged robot is designed to carry up to 400 lbs of gear anywhere a squad can go. The robot is semi-autonomous and designed to look out for itself and while keeping up with the marines. The tests seem to have positive results, Lt. Col. Joseph Hitt of DARPA reports:

"This was the first time DARPA and MCWL were able to get LS3 out on the testing grounds together to simulate military-relevant training conditions. The robot’s performance in the field expanded on our expectations, demonstrating, for example, how voice commands and 'follow the leader' capability would enhance the robot’s ability to interact with warfighters. We were able to put the robot through difficult natural terrain and test its ability to right itself with minimal interaction from humans.”

Read on to see the video, which includes shots of the robot following a soldier through the woods and being intentionally forced into situations where it will stumble. At times the robot has to run to keep up, while climbing hills, slogging through mud, and following a soldier through a maze of shipping containers.

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Berkeley Lab Creates Powerful Microactuator

Posted 19 Dec 2012 at 17:29 UTC by steve

Berkeley Lab reports the creation of a powerful microscale actuator that can deliver three orders of magnitude greater force per weight than human muscles. The tiny actuators are only about 100 microns in size and made from vanadium dioxide. They could potentially replace less-powerful piezoelectric actuators, which are complicated to make and require toxic materials. From the abstract of the researcher's report:

Here we demonstrate a set of microactuators fabricated by a simple microfabrication process, showing simultaneously high performance by these metrics, operated on the structural phase transition in vanadium dioxide responding to diverse stimuli of heat, electric current, and light. In both ambient and aqueous conditions, the actuators bend with exceedingly high displacement-to-length ratios up to 1 in the sub-100 μm length scale, work densities over 0.63 J/cm3, and at frequencies up to 6 kHz. The functionalities of actuation can be further enriched with integrated designs of planar as well as three-dimensional geometries. Combining the superior performance, high durability, diversity in responsive stimuli, versatile working environments, and microscale manufacturability, these actuators offer potential applications in microelectromechanical systems, microfluidics, robotics, drug delivery, and artificial muscles.

More details can be found in the paper, Giant-Amplitude, High-Work Density Microactuators with Phase Transition Activated Nanolayer Bimorphs (PDF format) and the Physical Review Letters report, "Decoupling of Structural and Electronic Phase Transition in VO2" (PDF format). Additional information can be found on the Berkeley Lab's Wu Group webpage. To see some cool video of the microactuators actuating, read on.

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Medical Robotics

From Quadriplegic to Chocolate-Eating Cyborg

Posted 18 Dec 2012 at 17:46 UTC by steve

Jan Scheuermann was diagnosed with spinocerebellar degeneration in 1996. As the connection between her brain and muscles degenerated, she lost any ability to move. In 2011 she saw a video of a UPMC research study that interfaced a robot arm to the brain of Tim Hemmes, another quadriplegic. She called immediately and said, "sign me up!" On Monday, UPMC issued a news release with her results.

Before three months had passed, she also could flex the wrist back and forth, move it from side to side and rotate it clockwise and counter-clockwise, as well as grip objects, adding up to what scientists call 7D control. In a study task called the Action Research Arm Test, Ms. Scheuermann guided the arm from a position four inches above a table to pick up blocks and tubes of different sizes, a ball and a stone and put them down on a nearby tray. She also picked up cones from one base to restack them on another a foot away, another task requiring grasping, transporting and positioning of objects with precision.

Two 96 channel intracortical microelectrodes were implanted to provide the brain-computer interface with the 7 DoF robot arm. More technical details can found in the paper, "High performance neuroprosthetic control by an individual with tetraplegia" (pay-walled) and in the NIH Study description. See also the UPMC photo gallery. Jan herself was less interested in the technical details than in the pleasure of being able to move a limb for the first time in eight years. And she had a goal in mind. "I’m going to feed myself chocolate before this is over," she said when the study started. Read on to see the video of her eating chocolate.

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Best Robot Photos of the Week

Posted 17 Dec 2012 at 17:12 UTC by steve

Every week we post a collection of the best robot photos submitted by our readers to our robots.net flickr group. Why? Because everyone likes to see cool new robots! This week's collection includes several well-known robots such as the Asimo, iCub, Nao and even a miraculous appearance of Crow T Robot. There's a blurrycam photo of a mysterious legged planetary robot prototype. Plus a few art robots too! Want to see your robot here? Post it to flickr and add it to the robots.net flickr group. It's easy! If you're not already a flickr member, it's free and easy to sign up. Read on to see the best robot photos of the week!

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Robots Podcast #119: Orbotix and Sphero

Posted 17 Dec 2012 at 03:05 UTC by John_RobotsPodcast

In Robots Podcast episode 119, reporter Per talks with Ian Bernstein about the hugely successful Sphero robot and the company he co-founded, Orbotix. A hardware tinkerer from a young age, Bernstein became involved with BEAM Robot Games. First attending New Mexico Tech then Colorado State University, he decided to start his own company after the options available at a career fair all bored him. In 2010, realizing the technology in smart phones far surpassed that being used in most consumer robots and wondering why those phones couldn't be used to control robots, he and cofounder Adam Wilson participated in an intensive, three-month program sponsored by startup accelerator TechStars, which helped them define and design their product, and helped them establish contacts through which they were able to find funding and a production facility they could work with. Sphero, the result of this process, is not just a product by a platform with its own growing ecosystem.

Read On | Tune In

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Random Robot Roundup

Posted 15 Dec 2012 at 14:50 UTC by steve

First up this week, Pololu Robotics is having another sale, this one in honor of 12/12/12 and running through the end of the month. Lots of cool bargains from 12% to 50% off, so check it out! Casey let us know about his ATOMS Express Toys kickstarter campaign, a set of modular robotics actuators and sensors for LEGOs. Even cooler is an IndieGogo campaign for a palm-sized UAV based on a dragonfly and developed by robotics researchers at the Georgia Institute of Technology. In less fun robot news, NYU student Josh Begley is tweeting every US Drone strike since 2002 and observers have noticed a distriburbing trend toward "double tap" strikes - that's a second strike on the same target shortly after the first to kill emergency responders. This is usually considered a war crime or terrorist act. After last month's story on the Human Rights Watch group's concern about autonomous killer robots, the DoD issued a new directive that says any autonomous robots "shall be designed to allow commanders and operators to exercise appropriate levels of human judgment over the use of force" but denied any connection to the HRW report. Back to fun stuff, The Swirling Brain tipped us off to a Gizmodo story with video showing a "phallic UAV get all grabby with its scary six-foot arm". He also sent stories on a creepy Biomimetic robot with muscles and bones. Know any other robot news, gossip, or amazing facts we should report? Send 'em our way please. Don't forget to follow us on twitter and Facebook. And now you can add us to your Google+ circles too.

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Aquatic Robotics

Meet the MIT Marine Robotics Team

Posted 14 Dec 2012 at 19:58 UTC by steve

MIT posted an article on the MIT Marine Robotic Team which serves as a good introduction to the group if you're not familiar with them. The team works on gliders, rafts, ROVs, AUVs, and other marine robots. The group is introducing future engineers to marine engineering and collaborates with other MIT groups such as the Society for Women Engineers and Keys to Empowerment Youth. A recent project allowed them to travel to Ketchikan, Alaska:

During their time in Alaska, the team also worked with middle school students and teachers by helping with a program called SeaGlide. The goal of SeaGlide is to introduce students to underwater vehicles and teach them how to create mini-gliders using water bottles and an arduino.

The article details the experiences of Jackie Sly, Adrian Tanner, and other team members as they focus on developing autonomous glider robots that will be used to detect oil plumes and ocean currents. For more details see the MIT article about the team.

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IEEE App puts Robots on your iPad

Posted 13 Dec 2012 at 22:38 UTC by steve

There's a new Robot iPad app out for robot fans. It was designed by the folks at IEEE Spectrum magazine and should appeal to anyone who's interested in robots. It's got lots of photos and video of cool robots that even kids will enjoy watching. There are also interviews with well-known roboticists that older, geekier iPad users may enjoy. Erico Guizzo, the robotics editor of IEEE Spectrum magazine writes:

I've been following your stories on robots.net for a long time, even before I started writing about robots at IEEE! Just wanted to let you know about an iPad app we're launching today, featuring 126 robots from 19 countries, with 360-degree views, interactive animations, hundreds of photos and videos, and more.

Rodney Brooks also gives the app his seal approval, saying it's a "state-of-the-art app with an incredible collection of robots including many of my old, dear friends". You can't beat that recommendation. It's almost enough to make me want to buy an Apple product. Ha, just kidding! Maybe an Android version is in the works? You can grab the Robots app from itunes for just $1.99 right now if you want to try it out. Read on to see some video of the Robots app in action.

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2012 Top 10 Robot Christmas Gift Ideas

Posted 12 Dec 2012 at 03:09 UTC by steve

It just wouldn't be Christmas without our annual top 10 list of the best Christmas gifts in the world for your favorite robot geek. Our three founding editors, steve, Rog-a-Matic, and The Swirling Brain spend most of the year on their in-depth analysis of robot gifting trends; processing mountains of statistical data and comparing thousands of robot components, all to present you with the most complete and accurate list of the best possible robot-related gifts. Or at least that's what they'd like you to think. Actually the selection process involves some late night Googling and a cup of really hot tea (the brownian motion used to prime the robot gift improbability generator). Anyway, our regular readers know how it works by now. A list of the ten best robot gifts we can think of for 2012, in ascending order of predicted roboticist desirability. Read on to see the list!

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Best Robot Photos of the Week

Posted 10 Dec 2012 at 17:20 UTC by steve

Every week we post a collection of the best robot photos submitted by our readers to our robots.net flickr group. Why? Because everyone likes to see cool new robots! This week's collection includes a fleet of quadcopters at Max Plank Institute, MIT's now retired Kismet robot, some art bots, movie bots, and a vintage robot or two. Want to see your robot here? Post it to flickr and add it to the robots.net flickr group. It's easy! If you're not already a flickr member, it's free and easy to sign up. Read on to see the best robot photos of the week!

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