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Cheetah to boost MIT fortunes

Cheetah to boost MIT fortunes
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Cheetah to Boost MIT Fortunes. It-'s a robot unlike any other, inspired by the world-'s fastest land animal and controlled by video game technology.

The robot, called the Cheetah, can run on batteries at speeds of more than 16 kmph, jump about 40 centimetres high, land safely

Cambridge: It's a robot unlike any other, inspired by the world's fastest land animal and controlled by video game technology.

The robot, called the Cheetah, can run on batteries at speeds of more than 16 kmph, jump about 40 centimetres high, land safely and continue running for at least 15 minutes -- all while using less power than a microwave oven.

It's the creation of researchers at the Massachusetts of Technology, who had to design key elements from zero because of a lack of, or shortcomings in, existing technology.

That includes powerful, lightweight motors, electronics that control power for its 12 motors and an algorithm that determines the amount of force a leg should exert during the split second that it spends on the ground while running.

That's the key to helping the robot maintain balance and forward momentum. An onboard computer organises data from various sensors and sends commands to each motor.

"This is kind of a Ferrari in the robotics world, like, we have to put all the expensive components and make it really that instinctive," said MIT Professor Sangbae Kim, who heads the school's Biomimetic Robotics Lab that designed the robot. "That's the only way to get that speed."

Insight gleaned from the prototype could have real-world applications, including the design of revolutionary prosthetics, wearable technologies, all-terrain wheelchairs and vehicles that can travel efficiently in rough terrain much like animals do, Kim said.

There are hopes the robot will be able to be used in search and rescue operations in hazardous or hostile environments where it's too risky to send a human rescuer.

The project is funded by the US Department of Defence's Defence Advanced Research Projects Agency. The military research arm is also funding a similar robot being developed by Boston Dynamics.

The company says its version is powered by an off-board hydraulic pump and uses a boom-like device to keep it running in the center of a treadmill.

Crafting the cheetah robot took five years of work and plenty of confidence to ignore those who said electric motors aren't strong enough to propel a running mechanical cheetah powered by batteries.

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