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Crawling, squirming modular iMobot designed to advance robotics

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March 25, 2011

The iMobot is an articulated, wheeled robot that can be used on its own, or as a module in...

The iMobot is an articulated, wheeled robot that can be used on its own, or as a module in a larger robotic system (All photos courtesy Barobo, Inc.)

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Building a robot, it's probably safe to assume, is a daunting project. It would doubtless be considerably easier if designers didn't have to build everything from scratch, but could instead use pre-built modules. That's where the iMobot comes into play. Designed by University of California, Davis alumnus Graham Ryland and professor of mechanical and aerospace engineering Harry Cheng, the modular iMobot is a small robot in its own right, but could also be used as part of a larger robotic system.

Ryland and Cheng first began work on the iMobot when Ryland was studying for his master's degree in mechanical engineering in Cheng's Integration Engineering Laboratory.

Each intelligent module/robot has four controllable degrees of freedom, with two joints in the center section and one wheel at either end of its body. They can move along the ground on their two wheels, in either a flat or arched stance, crawl forward and backward like an inchworm, or squirm sideways. They can also serve as a camera platform, by standing up on one end, and swiveling their top section around.

It is envisioned that multiple modules could possibly be joined together into a snakelike train, for accessing confined spaces – not unlike the existing HyDRAS construction robot – or put together into a wheeled robot designed to travel on smooth surfaces. They could also be used as research tools, such as for engineers developing control systems for individual robots or swarms of robots.

The iMobot is an articulated, wheeled robot that can be used on its own, or as a module in...

"We wanted to create a robot that was modular and could be assembled together, but was also mobile and useful by itself," said Ryland. "We feel this hardware platform could drastically speed up university and industry research in the field of robotics."

It's somewhat reminiscent of Willow Garage's open source PR2 project, in which groups utilizing the multi-purpose PR2 robot share their developments in software and hardware with one another.

Ryland and Cheng are now working on commercializing the iMobot, through their UC Davis spin-off company, Barobo. They hope to have it on the market by the end of the year.

About the Author
Ben Coxworth An experienced freelance writer, videographer and television producer, Ben's interest in all forms of innovation is particularly fanatical when it comes to human-powered transportation, film-making gear, environmentally-friendly technologies and anything that's designed to go underwater. He lives in Edmonton, Alberta, where he spends a lot of time going over the handlebars of his mountain bike, hanging out in off-leash parks, and wishing the Pacific Ocean wasn't so far away.   All articles by Ben Coxworth
3 Comments

soon i will have my own transformer

teaRaptor
26th March, 2011 @ 07:30 am PDT

...and they'll get tinier and tinier..... did someone say REPLICATORS????

paulgo
27th March, 2011 @ 07:29 pm PDT

This is such an awesome thing, really thought they existed ... how many years it took to think about it... all those freaking movies and this is all there is for commercial use!!!? ok ill take 50, yet i think its not what it seems but better than what its out there ... When can we buy these things and how powerful are they? ... wight ? power consumption, where is the infooo!!!!

Alex Tea
28th March, 2011 @ 10:56 am PDT
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