The ATRIAS robot model developed at Oregon State University uses a "spring-mass" walking approach. The natural-gait method gives human-sized bipedal robots the ability to blindly react to rough terrain, maintain balance, retain an efficiency of motion, and walk like humans.

“I’m confident that this is the future of legged robotic locomotion,” said Jonathan Hurst, an OSU professor of mechanical engineering and director of the Dynamic Robotics Laboratory in the OSU College of Engineering.

The robots being constructed at OSU were designed to mimic the “spring-legged” action of bipedal animals. ATRIAS, the human-sized robot most recently created at OSU, has six electric motors powered by a lithium polymer battery.

In continued research, work will be done to improve steering, efficiency, leg configuration, inertial actuation, robust operation, external sensing, transmissions, and actuators.

Aspects of the locomotion technology may also assist people with disabilities, the researchers said.

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