Robot elephant trunk learns motor skills like a baby - tech - 13 March 2014 - New Scientist: The design showed that a trunk formed of 3D-printed segments can be controlled by an array of pneumatic artificial muscles...
They used a process called "goal babbling"... the robot remembers what happens to the trunk's position when tiny changes are made to the pressure in the thin pneumatic tubes feeding the artificial muscles. This creates a map that relates the trunk's precise position to the pressures in each tube.
The trunk can now be manually forced into a series of positions and learn to adopt them on command...
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