Surena 4 is a humanoid robot platform designed to study bipedal locomotion, manipulation, and AI. The latest generation in a series of humanoid models, this version can walk on uneven terrain and grasp objects with force control, including a pen used to write its name. It's also used to provide entertainment at special events and to attract students to careers in engineering.
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Surena 4 is the latest generation of the Surena series of humanoid robots developed in Iran.
In 2008, researchers at the University of Tehran introduced a rudimentary humanoid robot called Surena, with only 8 degrees of freedom (DoF). An improved model capable of walking, Surena 2, with 22 DoF, was announced not long after, followed by the more capable Surena 3, with 31 DoF, in 2015. In late 2019, the Iranian roboticists unveiled Surena 4. With 43 DoF, the new robot is a major improvement over previous designs. Surena 4 is lighter, more compact, and more agile. It's capable of mimicking a person's full-body pose, grasping a water bottle, and writing its name on a whiteboard. A team of about 50 engineers and researchers built Surena 4 at the University of Tehran's Center for Advanced Systems and Technologies (CAST). Led by Aghil Yousefi-Koma, a professor of mechanical engineering, the group worked for nearly four years to develop the new robot. Professor Yousefi-Koma has emphasized that he views Surena as a "symbol of technology advancement in the direction of peace and humanity," hoping it will help inspire people about the possibilities of robotics.