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Home NEWS Science News

Cockroaches and lizards inspire new robot developed by Ben-Gurion University researcher

Bioengineer by Bioengineer
November 2, 2020
in Science News
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Credit: credit: Ben-Gurion University

BEER-SHEVA, Israel…November 2, 2020 – A new high-speed amphibious robot inspired by the movements of cockroaches and lizards, developed by Ben-Gurion University of the Negev (BGU) researchers, swims and runs on top of water at high speeds and crawls on difficult terrain.

The mechanical design of the AmphiSTAR robot and its control system were presented virtually last week at the IROS (International Conference on Intelligent Robots and Systems) by Dr. David Zarrouk, director, Bioinspired and Medical Robotics Laboratory in BGU’s Department of Mechanical Engineering, and graduate student Avi Cohen.

“The AmphiSTAR uses a sprawling mechanism inspired by cockroaches, and it is designed to run on water at high speeds like the basilisk lizard,” says Zarrouk. “We envision that AmphiSTAR can be used for agricultural, search and rescue and excavation applications, where both crawling and swimming are required.”

Click here for a video of AmphiSTAR.

The palm-size AmphiSTAR, part of the family of STAR robots developed at the lab, is a wheeled robot fitted with four propellers underneath whose axes can be tilted using the sprawl mechanism. The propellers act as wheels over ground and as fins to propel the robot over water while swimming and running on water at high speeds of 1.5 m/s. Two air tanks enable it to float and transition smoothly between high speeds when hovering on water to lower speeds swimming, and from crawling to swimming and vice versa.

The experimental robot can crawl over gravel, grass and concrete as fast as the original STAR robot and can attain speeds of 3.6 m/s (3.3 mph).

“Our future research will focus on the scalability of the robot and on underwater swimming,” Zarrouk says.

This study was supported in part by the BGU Helmsley Charitable Trust through the Agricultural, Biological and Cognitive Robotics Initiative, and by the Marcus Endowment Fund, both at Ben-Gurion University of the Negev. The Marcus legacy gift, of over $480 million, was donated in 2016 to American Associates, Ben-Gurion University of the Negev by Dr. Howard and Lottie Marcus. The donation is the largest gift given to any Israeli university and is believed to be the largest gift to any Israeli institution.

###

About American Associates, Ben-Gurion University of the Negev

American Associates, Ben-Gurion University of the Negev (AABGU) plays a vital role in sustaining David Ben-Gurion’s vision: creating a world-class institution of education and research in the Israeli desert, nurturing the Negev community and sharing the University’s expertise locally and around the globe. Activities include showcasing BGU’s academic excellence and cutting-edge research through educational programs, events and informative communications. AABGU’s main purpose is to support Ben-Gurion’s vision and the university that bears his name by creating a community of Americans committed to improving the world tomorrow from the heart of the Israeli desert today. For more information visit http://www.aabgu.org.

Media Contact
Andrew Lavin
[email protected]

Tags: Computer ScienceMechanical EngineeringResearch/DevelopmentRobotry/Artificial IntelligenceSoftware EngineeringTechnology/Engineering/Computer ScienceVehicles
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