A team at Switzerland’s ETH Zürich university has unveiled an autonomous excavator that can build dry stone walls from randomly shaped boulders and concrete rubble.
It picks rocks from a pile and scans them to capture their shape before placing them with centimetre precision guided by algorithms.
The machine is an adapted Menzi Muck walking excavator, called a “hydraulic excavator for an autonomous purpose”, or HEAP for short.
It operates with the help of a global positioning system, an inertial measurement unit and a suite of LiDAR sensors.
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