Communications of the ACM
Turning Robots into Skilled Waiters
The team fed the robot algebraic formulas dating back several centuries, basing their mathematics on a Moroccan tea tray that applies the principle of a spherical pendulum.
Credit: jitoutsource.com
Researchers at Germany's Technical University of Munich (TUM) adopted the pendulum's underlying mathematics to develop a model that could improve robots' drinks-serving skills.
The researchers embedded the dynamics of a spherical pendulum into a robot arm's control software, which limits the machine's movements according to basic geometric principles.
They also incorporated the proper angles, speeds, and accelerations into the model.
As a result, TUM's Luis Figueredo said, the robot arm can grip, raise, and rock a glass filled to the brim with water without spilling a drop.
"And it does it faster and more safely than a person," Figueredo added.
From Technical University of Munich (Germany)
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