SAW Robot is the First to Move with Waves

Aug-02-16 The 3D-printed SAW robot opens the door to a new generation of robots able to move over an array of different terrain—including inside the body.

The SAW (Single Actuator Wave-like) robot is the first example of a robot able to propel itself with a wave-like motion, which allows the robot to move over all sorts of surfaces, including mud or sand, as well as swim. Developed by a team at Ben-Gurion University of the Negev, the key to the bot’s unique propulsion is its spine-like helix, which is rotated by a single motor to drive the robot forwards or back.

According to Dr. David Zarrouk of BGU’s Department of Mechanical Engineering, “Researchers all over the world have been trying to create a wave movement for 90 years.”

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