Disney has a goal to develop a robot that interacts with people. Like other products from Disney, this robot called Jimmy looks magical - Imagine if it wasn't people but Jimmy in the future Mickey Mouse that greeted you in Disneyland. A cool thing!
The movements of other humanoid robots are very slow and dull, which is fatal for Disney's ambitious goals. And Jimmy has the ability to move as fast as a creature, and the shape is very elegant. A video circulating on the Internet earlier this year shows that Jimmy can wave to people, dance simple steps, and tap the desktop. Even more amazing is that Jimmy can communicate with people in close proximity to people. In the video, Jimmy and a child are playing a game like "You shoot one, I shoot one". In the process, Jimmy even gently pats the child's cheek - this is in the same humanoid robot Very rarely seen in interactive experiments.
Of course, Jimmy is not being enchanted, it just has advanced engineering techniques that make people clap their hands. Unlike ordinary humanoid robots, Jimmy is not driven by bulky motors and gears. It cites a new hydraulic power system designed by Disney experts. The hydraulic power system consists of tubes filled with air and water. Although the current version requires manual control of the movement, the future version of the design will be fully automated.
A few years ago, we first wrote about Disney's hydraulic power system. Since then, Whitney and other Disney research team colleagues, as well as Catholic University and Carnegie Mellon University experts have upgraded the design.
The original power system utilized water and air. Now, an upgraded hybrid unit utilizes two fluids for faster transfer speeds. John P. Whitney, a leader in the Disney research team and currently teaching mechanical and industrial engineering at Northeastern University in Boston, says the metal collar of this device can be compared to a high-leverage servo system and brushless motor equipped with a harmonic actuator. Carry more weight. It is also highly compatible and has reverse braking performance, which is inherently very safe – so it is particularly suitable for use in humanoid robot interactions.
Whitney said that when people first saw Jimmy, most people felt that they were in love with it. "I feel very funny every time I hear people describe the movements very smoothly."
The biggest advantage of this power system is that unlike other motors or servo systems, you don't need to fit the complete system into the robot's limbs, so they are smaller and lighter. But at the same time, it has some drawbacks: like other fluid-based systems, you need to check its pressure regularly. More importantly, to create a fully automated robot, you need to create an engine and control system that can completely replace manual control.
We hope to see Jimmy and other similar robots in the future Disney Park. But what we most hope to witness is that the hydraulic power system can find other application channels besides entertainment. Especially in the field of personal robots.
Whitney said that this is indeed the area he wants to make the most breakthrough: "The benefits to the human operator are as valuable for automatic control, and the reverse braking performance and the lightweight performance of the transmission are very Valuable features."
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