ROBOT rats may soon be unleased to search for survivors at disaster sites, as researchers continue to develop the technology.
Researchers have developed a mechanic critter named SQuRo (small-sized quadruped robotic rat).
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A team, led by Professor Qing Shi from the Beijing Institute of Technology in China, chose the rodents as they are capable of adapting to narrow spaces owing to their elongated slim body and unrivalled agility.
The robot version would be able to pass through narrow spaces and rugged terrains and perform tasks, such as detection or transportation in relevant scenarios.
Video of SQuRo in action show it crouching to fit in small tunnels, turning in a tight space and even picking itself up after being kicked over.
In a study published this month in the journal IEEE Transactions on Robotics, the team explain how they have invested significant time in replicating certain properties and functions of rat’s biological systems.
Professor Shi’s team say they developed a wheeled robotic rat capable of multiple rat-like behaviors, then replaced wheels with legs to further enhance the movement agility.
In the study, experimental results reveal that the legged robot SQuRo is capable of mimicking the motion of actual rats inside narrow spaces.
The study explains: “Legged robots are very promising for use in real-world applications, but their operation in narrow spaces is still challenging.
“One solution for enhancing their environmental adaptability is to design a small-sized biomimetic robot capable of performing multiple motions.
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“By capturing a decent representation of an actual rat (rattus norvegicus), we developed a small-sized quadruped robotic rat (SQuRo), which includes four limbs and one flexible spine.
“The results obtained through a series of experimental tests reveal that SQuRo achieves a superior motion performance compared with existing state-of-the-art small-sized quadruped robots.
“Remarkably, SQuRo has an extremely small turning radius (0.48 BL) and strong payload capacity (200g), and it can recover from falls.”
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This post first appeared on Thesun.co.uk
